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Home Software Developers United States Washington Seattle

Top Software Developers in Seattle

Seattle sits at the crossroads of cloud computing, retail tech, and biotech, thanks to home-grown giants like Amazon and Microsoft and research powerhouses such as the University of Washington’s Allen School. As a result, the city offers a deep bench of software talent. From enterprise-scale engineering partners in South Lake Union to nimble app studios in Fremont. On Clutch, every provider is verified through detailed client reviews and an extensive vetting process that covers project scope, industry expertise, and delivery track record. Use Clutch’s filters for hourly rate, team size, industry focus, and more to quickly shortlist Seattle software development agencies that fit your budget and technical needs.

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Top Software Development Companies

Nearby tech hubs:

Portland Software Developers | San Francisco Software Developers

Industry filter: Seattle Healthcare Software Development Agencies

Ratings Updated: April 1, 2026
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15 Leaders 15 Contenders

175 Companies

Country: United States
State: Washington
City: Seattle

List of the Top Seattle Custom Software Development Companies

  • Featured

    What are Featured Providers?

    Kingsmen Digital Ventures Logotype

    Kingsmen Digital Ventures

    5.0 11 reviews
    Premier Verified
    $10,000+
    $150 - $199 / hr
    10 - 49
    Serves Seattle, WA

    Services provided

    30% Custom Software Development
    20% Mobile App Development
    15% E-Commerce Development +3 services
    15% UX/UI Design
    10% Web Design
    10% Web Development

    Kingsmen Digital Ventures is a custom software development company specializing in bespoke software creation and full-stack software development. The company has received overwhelmingly positive feedback, with clients praising their project management skills and timely delivery, with 100% of reviews noting their impressive expertise and responsiveness. Their work consistently results in successful project outcomes and enhanced customer experiences.

    See all 11 projects

    Reviews mention Exceptional results

    Clients have expressed exceptional satisfaction with Kingsmen Digital Ventures, highlighting their ability to deliver projects precisely as specified. One client noted the team's impressive execution of their website vision, while another praised their timely project management and responsiveness to needs. Overall, the sentiment reflects strong confidence in the company's capabilities, with no suggested areas for improvement.
    • Web & Mobile Experience for Automotive Broker
      5.0 Jan 24, 2025

      Since the project launch we have seen more than $2M in transactions flow through this new lending system with more than 30 upsell transactions resulting in immediate ROI from another car purchase but also for us to take the lease back from their existing vehicle. Customer's love the experience and how unique it is to work with us.

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    1 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    Recent client feedback for Kingsmen Digital Ventures highlights their strong performance in managing website and CMS services, with notable improvements including a 400% increase in traffic and enhanced mobile performance. Clients appreciate their organization, accountability, and timely delivery, as well as their positive attitude and willingness to educate. Overall, the sentiment is highly favorable, with no significant areas for improvement identified by clients within the last six months.
    Read 1 Recent Review

    Average Project Cost Breakdown

    $1,000,000 to $9,999,999 (3) $50,000 to $199,999 (2) $200,000 to $999,999 (2)

    What Clients Have Said

    Clients generally perceive Kingsmen Digital Ventures as providing good value for their cost, despite some acknowledging higher fees compared to competitors. For instance, one client emphasized that although their fees were elevated, the unmatched level of service and expertise justified the investment. Another noted that they wasted funds seeking cheaper options elsewhere, reinforcing the sentiment that Kingsmen delivers substantial value. Overall, clients express satisfaction with timely delivery and the quality of outcomes, suggesting a strong return on investment.
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    More responsive than most other service providers

    Kingsmen Digital Ventures is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
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    Innowise Logotype

    Innowise

    4.9 72 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    20% Custom Software Development
    10% AI Development
    10% BI & Big Data Consulting & SI +6 services
    10% Blockchain
    10% Cloud Consulting & SI
    10% Cybersecurity
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Innowise is a bespoke software development company excelling in end-to-end services across various sectors, including healthcare and finance. The firm boasts a 100% satisfaction rate from reviewers, with significant praise for their project management and tailored solutions. Clients consistently highlight Innowise's responsiveness and technical expertise, with 90% of reviews mentioning their ability to deliver on time and within budget.

    See all 72 projects

    Reviews mention Results-oriented

    The sentiment around Innowise Group's results-oriented approach is highly positive, as evidenced by client feedback highlighting their eagerness to find constructive solutions to challenges. One client noted that Innowise consistently provided effective communication and problem-solving, even offering compensation when budget issues arose. Another client praised the team's focus on ambitious goals, successfully achieving the development of a minimum viable product within a tight timeline. Overall, clients commend Innowise for their commitment to delivering outstanding results.
    • IoT Development for IT Services Company
      4.5 Jun 30, 2021

      We tried to complete the first MVP of this product in 3 months. This goal was very ambitious but it was achieved. And now we want to repeat this mission with others 3 MVP which it will complete all the product suite.

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    1 of 1 reviews is 5 stars
    1 new review for Custom Software Development services
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    In the past six months, Innowise has received positive feedback for their effective project management and technical solutions. A client highlighted their success in creating a custom database that streamlined reporting processes, noting improvements in labor efficiency and timely deliverables. The client praised Innowise for understanding project requirements and delivering a cost-effective solution, stating, 'They did a better job in all those areas.' Overall, the sentiment is highly favorable, with no noted areas for improvement.
    Read 1 Recent Review
    28 of 33 Custom Software Development reviews are 5 stars
    1 new review for Custom Software Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Database Development for Private School

    5.0 — Innowise created a custom database for a private school using Microsoft Power Apps. The team's solution uses an API to integrate another provider and automates workflows and reporting for student Read more
    Read 33 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (24) $50,000 to $199,999 (17) $200,000 to $999,999 (10) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently praised Innowise Group for their competitive pricing and excellent value for money. Feedback highlighted that their services fit various budgets while delivering high-quality results, as noted by multiple clients who emphasized good cost-to-value ratios. For instance, a CEO mentioned that Innowise's pricing fit their budget and provided great value, while another client appreciated the fair pricing during their ongoing engagement. Overall, the sentiment towards Innowise's cost-effectiveness is overwhelmingly positive, suggesting a strong alignment between quality and affordability.
    Read All Reviews
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    Simform Logotype

    Simform

    4.8 83 reviews
    Premier Verified
    $25,000+
    $25 - $49 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    10% Custom Software Development
    20% AI Development
    20% Cloud Consulting & SI +5 services
    10% CRM Consulting and SI
    10% E-Commerce Development
    10% ERP Consulting and SI
    10% Enterprise App Modernization
    10% Mobile App Development

    Simform is a custom software development company specializing in end-to-end software development solutions, including both front-end and back-end services. The firm is praised for its high-level expertise, responsiveness, and seamless integration with clients' teams, with approximately 90% of reviews highlighting their effective project management and timely delivery. While most clients express satisfaction, 10% of reviews suggest room for improvement in transparency and accountability.

    See all 83 projects

    Reviews mention Easy to reach

    Clients consistently highlight Simform's accessibility and responsiveness as a key strength. One client noted the effective communication through daily Skype interactions and team calls, emphasizing that Simform is always available and proactive in addressing issues. Despite occasional challenges, such as missed deadlines due to external factors, the team demonstrates a commitment to client satisfaction and transparency. Overall, the sentiment reflects a strong appreciation for Simform's dedication to maintaining open lines of communication throughout the project lifecycle.
    • Mobile App Development for Application Company
      5.0 Sep 23, 2020

      Our level of communication depends on the project. For some, we talk daily over Skype and send messages back and forth on a daily basis as well. For each, though, we have team Skype calls where we can hash through different issues and make sure the project is on track. Simform is always available and on top of things — the time zone has been no issue whatsoever.

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    2 of 3 reviews are 5 stars
    2 new reviews for Custom Software Development services
    $50,000 – $199,999 avg. project cost

    Reviewed 3 times in the past 6 months

    Recent reviews of Simform highlight a strong overall sentiment, with clients praising their expertise, responsiveness, and structured communication. A CTO from Estima Scientific noted their impressive skill set in Python and JavaScript, emphasizing their proactive approach. Additionally, the department manager at Eye Recommend commended Simform's ability to navigate complex challenges and deliver on time, reinforcing their reliability. Clients consistently express satisfaction with Simform's collaboration and the quality of deliverables, with no significant areas for improvement identified.
    Read 3 Recent Reviews

    Industry Experience

    Simform has demonstrated notable expertise across various industries, including business services, finance, healthcare, and real estate, with a strong emphasis on mobile application and web development. Clients praised their technical capabilities, proactive communication, and commitment to project timelines. Overall sentiment is positive, highlighting their ability to adapt to complex requirements and deliver high-quality results. Organizations in sectors like healthcare and finance particularly benefitted from their deep technical insights and disciplined project management, making Simform a reliable partner for technology-driven projects.

    Read All Reviews

    Select Industry to see insights

    Utilities Financial services eCommerce Real estate Healthcare Logistics & Supply Chain Wellness & Fitness Agriculture Human Resources Media Other industries Consulting Advertising & marketing IT Services Nonprofit Construction Legal Arts, entertainment & music Gaming Food & Beverages Other Industry Hospitality & leisure Education Consumer Products Fitness Software Business services Information technology

    View projects from:

    United States (48) Canada (6) England (4) Germany (4) United Arab Emirates (2) Switzerland (2) Netherlands (1) Norway (1) Singapore (1) Sweden (1) Israel (1) Ireland (1) Hungary (1) Finland (1)
    View Profile Visit Website
    Vention Logotype

    Vention

    4.9 98 reviews
    Premier Verified
    $50,000+
    $50 - $99 / hr
    1,000 - 9,999
    Serves Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Development
    10% Application Testing +7 services
    10% Blockchain
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% Enterprise App Modernization
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development

    Vention is a bespoke software development company specializing in custom software creation and full-stack software development. Across their reviews, 100% of clients commend their responsiveness and project management, with 90% highlighting their strong developer talent and the ability to quickly adapt to project needs. They excel in providing end-to-end software development solutions, consistently delivering high-quality, timely outcomes.

    See all 98 projects

    Reviews mention Accessible

    Vention has received positive feedback regarding their accessibility, with clients noting their team as 'extremely attentive' and 'always available.' One client highlighted the ability of their primary contact, Pawel, to create a collaborative atmosphere, fostering a sense of partnership. Another reviewer emphasized the strong communication and quick responsiveness of Vention's engineers, which significantly contributed to project success. Overall, the sentiment reflects a high level of satisfaction with Vention's accessibility and engagement throughout the project lifecycle.
    • E-Commerce Platform Dev for Online Flower Gifting Business
      5.0 Sep 3, 2024

      Vention with Pawel as our primary customer contact, was extremely attentive, always available, always delivering to our needs and bringing us great candidates whenever we had a need. A feeling of familiarity. Pawel are able to create an 'us' atmosphere where achieved things together.

      Read Full Review
    • Staff Augmentation for Pet Food Company
      5.0 Apr 7, 2022

      All of them were strong communicators, always available and reacted quickly to changes in scope and priorities. Not that I can think of. Marc was always there to check if things are going well and even at the slightest challenge he reacted quickly so solve it.

      Read Full Review
    • Supplementary Architecture Dev for IoT Startup
      5.0 Jun 23, 2017

      They outlined the expectations on both sides early in the project. iTechArt compiled a team that could succeed and set expectations about resource allocation and deadlines. They were responsive when we needed to scale the team and were always available to offer management or architecture expertise.

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    0 of 1 reviews is 5 stars
    Unknown avg. project cost

    Reviewed 1 time in the past 6 months

    In the last six months, Vention has received positive feedback for their quality of engineers and responsiveness. A client highlighted their success in staffing AI engineers quickly, noting that sprint goals were consistently met, with no areas for improvement identified. The engagement has been ongoing since July 2024, with the client expressing satisfaction with the performance of the Vention team in delivering on project requirements.
    Read 1 Recent Review

    View projects from:

    United States (61) England (13) Canada (3) Germany (2) Lithuania (2) Israel (2) Latvia (1) Iceland (1) New Zealand (1) Singapore (1) Spain (1) Sweden (1) France (1) Scotland (1) Cyprus (1)
    2 of 2 Seattle-based reviews are 5 stars
    $200,000 – $999,999 avg. project cost for Custom Software Development services in Seattle

    Custom Software Development project highlight

    IT Staff Aug & Custom Software Dev for AI Co

    5.0 — Vention provided staff augmentation for an AI company. The team developed React front ends for several features, handled QA work, and managed infrastructure. Read more
    Read Similar Reviews
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  • Homeworld Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    20% Branding
    20% Marketing Strategy +4 services
    20% Product Design
    15% BI & Big Data Consulting & SI
    10% UX/UI Design
    5% Business Consulting

    Small branding agency Homeworld, is based in Seattle, Washington. The team provides Branding and Marketing Strategy.

    Read more
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  • Facet Digital, LLC Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    10 - 49
    Kirkland, WA

    Services provided

    10% Custom Software Development
    20% Mobile App Development
    20% Web Development +5 services
    10% API Development
    10% AR/VR Development
    10% BI & Big Data Consulting & SI
    10% DevOps Managed Services
    10% UX/UI Design

    Facet Digital, LLC is a website development firm founded in 2013. The small team offers Web Development and Mobile App Development.

    Read more
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  • Featured

    What are Featured Providers?

    Elaniin Logotype

    Elaniin

    4.9 12 reviews
    Premier Verified
    $50,000+
    $25 - $49 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    20% Custom Software Development
    20% IT Staff Augmentation
    20% Web Design +3 services
    15% Cybersecurity
    15% Mobile App Development
    10% Cloud Consulting & SI

    Elaniin is a custom software development company praised for its exceptional software engineering capabilities, offering tailored and full-stack software development services. With a consistent commitment to client satisfaction, 100% of reviews highlight their effective communication and collaborative project management. While some suggest improved project timelines, 75% commend their adaptability and expertise in delivering complex solutions.

    See all 12 projects
    2 of 3 reviews are 5 stars
    1 new review for Custom Software Development services
    $50,000 – $199,999 avg. project cost

    Reviewed 3 times in the past 6 months

    Recent client feedback on Elaniin reflects a high level of satisfaction, highlighting their efficient project management and strong communication. Notably, a financial services CEO praised their comprehensive service and timely responses, while an educational institution's manager commended their website's stability and excellent support. Clients appreciated Elaniin's user-centered approach and technical expertise, resulting in successful project outcomes. Overall, sentiments are overwhelmingly positive, with suggestions for clearer timeline expectations noted.
    Read 3 Recent Reviews
    3 of 4 Custom Software Development reviews are 5 stars
    1 new review for Custom Software Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Document Processing Automation for Financial Services Co

    4.5 — Elaniin developed a document processing automation solution for a financial services company. The team created an endpoint to process various types of documents. Read more
    Read 4 Reviews

    Industry Experience

    Elaniin has demonstrated strong performance across various industries, including Financial Services, Education, Media, and Others. Clients in Financial Services praised their project management and ability to automate processes, while those in Education noted their effective website design and maintenance. In the Media sector, Elaniin excelled in creating integrated platforms for complex operations. Overall, Elaniin is well-regarded for their technical expertise, responsiveness, and capacity to deliver tailored solutions, making them a strong contender for clients across these sectors.

    Read All Reviews

    Select Industry to see insights

    IT Services Software Media Other industries Education Financial services

    View projects from:

    El Salvador (6) United States (3) Canada (1) Germany (1) Mexico (1)
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    WeSoftYou Logotype

    WeSoftYou

    5.0 30 reviews
    Verified
    $25,000+
    $25 - $49 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    70% Custom Software Development
    15% AI Consulting
    15% Web Development

    WeSoftYou is a Custom Software Development company specializing in tailored and full-stack software development services. Their reviews highlight a 100% satisfaction rate, with clients praising their dedication, innovative solutions, and efficient project management. Approximately 85% of reviewers commend their ability to deliver user-centric, scalable solutions on time, while 90% emphasize their seamless communication and responsiveness to client needs.

    See all 30 projects

    Reviews mention Transparent

    The sentiment regarding transparency in WeSoftYou's project management is overwhelmingly positive. Clients noted their efficient and transparent communication, with one stating, 'Everybody was transparent with their needs and requirements.' Another client highlighted their adherence to timelines and quick adjustments based on feedback. Overall, the feedback reflects a strong appreciation for the company's dedication to clear communication and responsiveness, fostering a collaborative and trustworthy working relationship.
    • Web Application for HR SaaS Platform
      5.0 Oct 21, 2019

      WeSoftYou identified both the business and technical requirements necessary to deliver an all-around high quality product. Their transparency and communication have led to a strong partnership with our team. And as Front-End and Back-End were on our side, we were happy working with them.

      Read Full Review
    • Software Development for Digital Marketing Company
      5.0 Apr 22, 2020

      Communication was great. We were in close, daily contact. We had video conferences, and chats, and had data storage which we used to exchange files. The development process overall was a slice of heaven. Everybody was transparent with their needs and requirements and always reported on time.

      Read Full Review
    • AI-Powered Educational Platform Dev for EdTech Company
      5.0 Oct 27, 2024

      Their project management was efficient and transparent. They adhered strictly to the project timeline and were quick to implement any necessary adjustments based on our feedback.

      Read Full Review
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    Industry Experience

    WeSoftYou has demonstrated substantial expertise across various industries, particularly in IT Services, Education, Non-Profit, and E-Commerce. Clients praised their efficient project management, adaptability, and strong communication skills. In IT Services, they excelled in developing custom applications that improved operational efficiency and user engagement. Their work in Education highlighted their ability to create innovative learning platforms. In E-Commerce, they were recognized for building secure, user-friendly systems. Overall, WeSoftYou is well-suited for clients seeking tailored digital solutions across these sectors.

    Read All Reviews

    Select Industry to see insights

    Consulting IT Services Non-profit Franchises Software eCommerce Advertising & marketing Education Gaming Other Industry Real estate Information technology Energy & natural resources Financial services

    Average Project Cost Breakdown

    $50,000 to $199,999 (13) $10,000 to $49,000 (6) $200,000 to $999,999 (3) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently commend WeSoftYou for their cost-effectiveness and overall value. Multiple reviews emphasize that their pricing aligns well with project budgets, with one client noting it as a 'good value for cost.' Clients appreciate the high-quality deliverables received relative to their investment, often highlighting that the services exceeded expectations. The company’s transparency and responsiveness during project management further enhance perceived value, making them a preferred choice for many clients seeking reliable development partnerships.
    Read All Reviews

    View projects from:

    United States (18) Ukraine (4) Australia (1) Germany (1) Israel (1) Latvia (1) Netherlands (1) England (1)
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    Ancient Logotype

    Ancient

    4.9 38 reviews
    Premier Verified
    $10,000+
    $25 - $49 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    15% Custom Software Development
    25% IT Staff Augmentation
    10% AI Development +5 services
    10% BI & Big Data Consulting & SI
    10% Blockchain
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% Mobile App Development

    Ancient is a bespoke software development firm specializing in end-to-end software development solutions, including tailored software development and managed software development. They receive overwhelmingly positive feedback, with approximately 95% of reviews praising their professionalism, responsiveness, and ability to deliver quality resources and solutions efficiently. Clients consistently highlight their strong cultural fit and value for cost, making them a preferred partner for complex software engineering projects.

    See all 38 projects
    14 of 18 Custom Software Development reviews are 5 stars
    4 new reviews for Custom Software Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Mobile App Dev for Financial Services Company

    5.0 — Ancient Tech developed a mobile app for a banking services company. The team built the app from scratch, including banking card functionalities and security layers. Read more
    Read 18 Reviews

    Industry Experience

    Ancient has demonstrated strong expertise across various industries, primarily in Software, Financial Services, Insurance, and Telecommunications. Clients commend their timely project delivery, effective communication, and ability to provide high-quality talent. Notably, they excel in software development and staff augmentation, contributing to operational improvements and increased efficiency. Overall sentiment across industries is highly positive, reflecting their adaptability and commitment to client satisfaction.

    Read All Reviews

    Select Industry to see insights

    Financial services Insurance Business services Construction Information technology IT Services Telecommunications Engineering Design Chemicals & Biotechnology Consumer Products Logistics & Supply Chain Other Industry Advertising & marketing Retail Government Software

    More responsive than most other service providers

    Ancient is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    View projects from:

    Mexico (18) United States (14) Canada (1) Dominican Republic (1) Panama (1) Spain (1)
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  • PNW Design Consulting Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    10% Custom Software Development
    20% Web Design
    10% Business Consulting +8 services
    10% E-Commerce Development
    10% Logo
    10% Search Engine Optimization
    10% Web Development
    5% Content Marketing
    5% Digital Strategy
    5% Other Digital Marketing
    5% Packaging Design

    In Seattle, Washington, PNW Design Consulting is a web design agency. Launched in 2020, the team focuses on Web Design and Custom Software Development.

    Read more
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  • Virtue Tech Inc Logotype

    Not yet reviewed

    $100,000+
    $100 - $149 / hr
    10 - 49
    Bellevue, WA

    Services provided

    10% Custom Software Development
    25% Cloud Consulting & SI
    20% BI & Big Data Consulting & SI +4 services
    15% IT Strategy Consulting
    10% AI Development
    10% ERP Consulting and SI
    10% IT Staff Augmentation

    Virtue Tech Inc is a cloud consulting & SI company. The firm is in Bellevue, Washington. Their services include cloud consulting & SI and BI & big data consulting & SI.

    Read more
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  • Chaos Theory Studios, LLC Logotype

    Not yet reviewed

    $50,000+
    $150 - $199 / hr
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    15% AI Development
    15% AR/VR Development +6 services
    15% Generative AI
    10% IoT Development
    10% Low/No Code Development
    10% UX/UI Design
    10% Web Design
    5% AI Consulting

    Founded in 2021, Chaos Theory Studios, LLC is an user experience agency. Their team provides UX/UI Design and Custom Software Development.

    Read more
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  • Amberteq Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    70% Enterprise App Modernization
    10% Cloud Consulting & SI +1 service
    10% ERP Consulting and SI

    Amberteq is a small Enterprise App Modernization company. Founded in 2018, the team offers Enterprise App Modernization and cloud consulting & SI.

    Read more
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  • Stellar Elements Logotype

    4.9 44 reviews
    Undisclosed
    Undisclosed
    250 - 999
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    20% UX/UI Design +3 services
    20% Web Development
    10% AR/VR Development
    10% Web Design

    Stellar Elements is a bespoke software development company specializing in tailored software solutions across various industries. Their clients consistently praise their exceptional project management and deep understanding of client needs. With a 100% satisfaction rate, 33% of reviewers commend their ability to deliver complex projects efficiently and build lasting relationships.

    See all 44 projects
    3 of 3 Custom Software Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Mobile App for Construction Networking Platform

    5.0 — Stellar Elements (formerly ADK Group) provided mobile app development services for a construction networking platform. Their work included C++ development with a .NET core, on AWS. Read more
    Read 3 Reviews

    Industry Experience

    Stellar Elements has demonstrated strong expertise across various industries, including Education, Government, IT Services, Healthcare, and Nonprofit. Clients commend their ability to enhance user experience through effective UI/UX design and strategic project management. Overall sentiment is highly positive, citing responsiveness, accountability, and collaboration as key strengths. Educational and Nonprofit sectors particularly benefited from their tailored approach, while IT Services and Government engagements highlighted their adeptness in complex problem-solving. This diverse industry experience positions Stellar Elements as a valuable partner for organizations seeking impactful digital solutions.

    Read All Reviews

    Select Industry to see insights

    Education Government Business services IT Services Advertising & marketing Software Other Industry Hospitality & leisure Healthcare Nonprofit Information technology Manufacturing Financial services Consumer Products Arts, entertainment & music Research

    Average Project Cost Breakdown

    $10,000 to $49,000 (13) $50,000 to $199,999 (13) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (2)

    What Clients Have Said

    Stellar Elements has received positive feedback regarding their cost and value for money. Clients noted that while their services are not the cheapest, the quality justifies the investment. For instance, a project manager highlighted a $90,000 investment that resulted in excellent project management and design quality. Another client emphasized that their $100,000 budget yielded a user-friendly platform that significantly increased leads. Overall, clients appreciate the balance of cost and high-quality outcomes, viewing Stellar Elements as a reliable partner.
    Read All Reviews

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    United States (42) Canada (1)
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  • Featured

    What are Featured Providers?

    Iron Forge Development Logotype

    Iron Forge Development

    4.8 19 reviews
    Premier Verified
    $25,000+
    $150 - $199 / hr
    10 - 49
    Serves Seattle, WA

    Services provided

    20% Custom Software Development
    10% AR/VR Development
    10% Blockchain +6 services
    10% ERP Consulting and SI
    10% Enterprise App Modernization
    10% IT Strategy Consulting
    10% Mobile App Development
    10% UX/UI Design
    10% Web Development

    Iron Forge Development is a custom software development company specializing in tailored software creation and full-stack software development. Reviews suggest they have a flexible and scalable approach, with 83% of feedback highlighting their adaptability and communication. However, 17% noted room for improvement in project management and scoping. Clients commend their ability to deliver complex solutions, manage end-to-end projects, and effectively meet evolving needs.

    See all 19 projects
    6 of 7 Custom Software Development reviews are 5 stars
    2 new reviews for Custom Software Development in past 6 months
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    UI/UX Design & Web Development for Crypto Casino Company

    5.0 — Iron Forge Development has designed and developed websites and landing pages for a crypto casino company. The team has run UI/UX audits, created designs, and built custom React applications for the Read more
    Read 7 Reviews

    Industry Experience

    Iron Forge Development has received positive feedback across multiple industries, including Gambling, Engineering, Real Estate, Healthcare, Software, and Advertising & Marketing. Clients commend their expertise in UI/UX design, app development, and project management. Particularly notable is their ability to deliver tailored solutions under tight timelines and their proactive communication. Overall sentiment is highly favorable, indicating suitability for clients in need of tech development across these sectors.

    Read All Reviews

    Select Industry to see insights

    Other Industry Gambling Engineering Real estate Software Healthcare Consulting Financial services Sports Food & Beverages Beauty & Cosmetics Advertising & marketing

    Average Project Cost Breakdown

    $50,000 to $199,999 (12) $10,000 to $49,000 (2) $200,000 to $999,999 (2) $1,000,000 to $9,999,999 (1)

    What Clients Have Said

    Overall, clients praised Iron Forge Development for its reasonable pricing and high value for money. For instance, one client highlighted that their 'pricing fit our budget' and noted 'good value for cost.' Another client appreciated the 'affordable' services while recognizing the team's capability to address complex challenges. Additionally, multiple reviews mentioned the company's alignment with client values and needs, reinforcing the sentiment that clients received quality services at competitive prices.
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    United States (18) Australia (1)
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    Rubyroid Labs Logotype

    Rubyroid Labs

    5.0 54 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    50 - 249
    Serves Seattle, WA

    Services provided

    20% Custom Software Development
    20% IT Staff Augmentation
    15% Mobile App Development +3 services
    15% UX/UI Design
    15% Web Design
    15% Web Development

    Rubyroid Labs is a distinguished full-stack software development company, excelling in both bespoke and custom software creation, particularly with Ruby on Rails. The company consistently receives positive feedback for its professionalism, technical expertise, and problem-solving capabilities. Over 90% of reviewers highlight their effective communication and timely project delivery, with many praising their ability to integrate seamlessly with clients' teams.

    See all 54 projects

    Industry Experience

    Rubyroid Labs has demonstrated extensive expertise across various industries, including Advertising & Marketing, Financial Services, Real Estate, Hospitality & Leisure, Sports, and Education. Clients consistently praise their professionalism, adaptability, and problem-solving skills, citing timely project delivery and effective communication. In the Advertising & Marketing sector, their custom CRM solutions have notably improved workflows. Their ongoing partnerships in Financial Services and Education highlight their reliability and technical depth, making them a suitable choice for clients seeking agile and skilled development support.

    Read All Reviews

    Select Industry to see insights

    Financial services Real estate Hospitality & leisure Sports Contracting Agriculture Design Education Food & Beverages IT Services Publishing Consulting Construction Automotive Nonprofit Software Engineering Retail Arts, entertainment & music Media Business services Consumer Products Advertising & marketing Wellness & Fitness Information technology

    Average Project Cost Breakdown

    $10,000 to $49,000 (14) Less than $10,000 (9) $50,000 to $199,999 (9) $200,000 to $999,999 (4)

    What Clients Have Said

    Client feedback on Rubyroid Labs consistently highlights their excellent value for money. Many clients expressed satisfaction with the competitive pricing relative to the quality of services provided. For instance, one client noted that Rubyroid Labs 'fit our budget' while another emphasized their 'good value for cost.' Overall sentiment indicates that clients view Rubyroid Labs as a reliable partner who delivers high-quality work, often exceeding expectations, thus justifying the investment.
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    View projects from:

    United States (19) Belarus (4) Germany (4) England (3) Australia (3) Russia (2) Canada (2) South Africa (2) Denmark (1) Luxembourg (1) Netherlands (1) Japan (1) Georgia (1) Spain (1) France (1) Wales (1) Croatia (1)
    1 of 1 Seattle-based review is 5 stars
    Unknown avg. project cost for Custom Software Development services in Seattle

    Custom Software Development project highlight

    API Update & Integration for Customer Acquisition Platform

    5.0 — Rubyroid Labs enhanced the software of a customer acquisition platform. They updated the server-side API, integrated the Alpha API, refactored the middleware, and generated comprehensive API Read more
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    Calibrate Software Logotype

    Calibrate Software

    4.9 37 reviews
    Premier Verified
    $25,000+
    $50 - $99 / hr
    10 - 49
    Serves Seattle, WA

    Services provided

    15% Custom Software Development
    30% Mobile App Development
    30% Web Development +2 services
    15% UX/UI Design
    10% AI Consulting

    Calibrate Software is a bespoke software development company that excels in custom software creation, providing tailored solutions in various industries. Reviews highlight their strong project management, responsiveness, and excellent communication, with 100% positive feedback on collaboration and adaptability. Clients appreciate their innovative approach and commitment to customer success, though timelines occasionally exceed initial estimates.

    See all 37 projects
    1 of 1 reviews is 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 1 time in the past 6 months

    In the past six months, Calibrate Software received overwhelmingly positive feedback for their collaborative approach and exceptional project management. Clients highlighted their outstanding communication, timely deliveries, and proactive problem-solving, noting that the team demonstrated both technical expertise and a genuine commitment to project success. One client emphasized their ability to anticipate challenges and provide creative solutions, resulting in a product that exceeded expectations. Overall, Calibrate Software is highly recommended for their professionalism and dedication.
    Read 1 Recent Review

    Industry Experience

    Calibrate Software has received positive feedback across diverse industries including Automotive, IT Services, Medical, Retail, and more. Clients commend their expertise in website and app development, emphasizing effective project management, timely delivery, and responsive communication. In the Automotive sector, their focus on UI/UX helped enhance digital presence. In IT Services and Medical, their ability to automate processes and deliver functional applications is noteworthy. Overall, clients from various sectors express high satisfaction, indicating strong alignment with Calibrate Software's capabilities.

    Read All Reviews

    Select Industry to see insights

    Software Automotive IT Services Retail Medical Consumer products & services Information technology Business services Social Networking Gaming eCommerce Wellness & Fitness Financial services Construction Education Nonprofit Human Resources Consumer Products Sports Healthcare Arts, entertainment & music Government

    More responsive than most other service providers

    Calibrate Software is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    Unknown avg. project cost for Custom Software Development services in Seattle

    Seattle-based Custom Software Development project highlight

    Data Validation Tool Design & Dev for E-Commerce Company

    4.5 — Calibrate Software has designed and built a web-based data validation tool. The team has worked on features such as data extraction, REST APIs, data filtering, error management, and an admin Read more
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  • Motion Automation Intelligence Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Kirkland, WA

    Services provided

    20% Custom Software Development
    25% Robotics Process Automation
    20% Contract Manufacturing +2 services
    20% Logistics & Supply Chain Consulting
    15% IoT Development

    Motion Automation Intelligence is a Robotics Process Automation company. The Kirkland, Washington-based team focuses on Robotics Process Automation and Custom Software Development.

    Read more
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  • Auth0 by Okta Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% API Development
    20% Cloud Consulting & SI +2 services
    20% Mobile App Development
    20% Robotics Process Automation

    Auth0 by Okta is a cloud consulting & SI company. Their midsize team is based in Bellevue, Washington and provides cloud consulting & SI and Custom Software Development. The firm was founded in

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    Semaphore Mobile Logotype

    Semaphore Mobile

    5.0 17 reviews
    Premier Verified
    $5,000+
    $50 - $99 / hr
    10 - 49
    Serves Seattle, WA

    Services provided

    10% Custom Software Development
    60% Mobile App Development
    10% E-Commerce Development +2 services
    10% UX/UI Design
    10% Web Development

    Semaphore Mobile is a custom software development company specializing in tailored software solutions, including mobile apps and full-stack development across various platforms. Reviews indicate a 100% positive feedback rate, highlighting their professional project management, effective communication, and ability to understand and execute clients’ visions. Clients consistently praise their dedication, high-quality deliverables, and strong alignment with project goals.

    See all 17 projects
    6 of 6 Custom Software Development reviews are 5 stars
    1 new review for Custom Software Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Software Dev for Mobile Classifieds Marketplace

    5.0 — Semaphore Mobile developed a website for a mobile classifieds marketplace. The team also developed a mobile app and a CMS Read more
    Read 6 Reviews

    Industry Experience

    Semaphore Mobile has demonstrated expertise across various industries, including Advertising & Marketing, Agriculture, Healthcare, Software, IT Services, Construction, Automotive, Transportation, and Social Networking. Clients praise their professionalism, communication, and project management skills, highlighting successful outcomes such as app development and system improvements. Overall, the sentiment is highly positive, indicating that Semaphore Mobile is a strong candidate for businesses seeking reliable development partners in these sectors.

    Read All Reviews

    Select Industry to see insights

    Agriculture Social Networking Healthcare Software IT Services Construction Automotive Transportation Advertising & marketing

    Average Project Cost Breakdown

    $10,000 to $49,000 (7) $50,000 to $199,999 (4) Less than $10,000 (1)

    What Clients Have Said

    Clients frequently commend Semaphore Mobile for their competitive pricing and excellent value for money. One client noted that their 'pricing fit our budget' while another emphasized they 'came in under budget.' Overall sentiment indicates strong satisfaction with the quality of deliverables relative to costs, as multiple reviews highlight their professionalism, responsiveness, and commitment to client success. Clients consistently recommend Semaphore as a reliable partner that exceeds expectations, making them a valuable investment.
    Read All Reviews

    View projects from:

    Dallas, Texas (6) Tulsa, Oklahoma (1) Chattanooga, Tennessee (1) Paris, Texas (1) Birmingham, Alabama (1) Salt Lake City, Utah (1) West Monroe, Louisiana (1) Kilgore, Texas (1) Dalhart, Texas (1) Falls Church, Virginia (1)
    View Profile Visit Website
    Scalo Logotype

    Scalo

    4.7 32 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    250 - 999
    Serves Seattle, WA

    Services provided

    30% Custom Software Development
    10% Application Management & Support
    10% BI & Big Data Consulting & SI +6 services
    10% IT Managed Services
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development
    5% API Development
    5% DevOps Managed Services

    Scalo is a full-stack software development company specializing in tailored software development and providing skilled IT specialists for diverse industries. The company receives predominantly positive feedback, with approximately 90% of reviewers highlighting their technical expertise, proactive communication, and ability to deliver projects on time. Clients consistently appreciate Scalo's alignment with company values and the strong culture fit they provide.

    See all 32 projects
    1 of 2 reviews are 5 stars
    2 new reviews for Custom Software Development services
    Unknown avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews of Scalo indicate strong client satisfaction, highlighting their technical expertise, proactive communication, and effective project management. Clients from Televic praised Scalo for accelerated project completion and high-quality software, while Worldcom Finance noted significant improvements in engineering capacity and delivery speed. Overall, feedback emphasizes a positive working relationship and alignment of company values, with minor suggestions for clearer expectations on availability.
    Read 2 Recent Reviews

    Industry Experience

    Scalo has garnered positive feedback across various industries, notably in Financial Services, where they excel in IT recruitment and project delivery, enhancing engineering capacity and project outcomes. Clients from the IT sector praise their team integration and technical expertise. In eCommerce and Retail, Scalo's contributions to system migration and software development are noted for improving operational efficiency. Overall, their adaptability and responsiveness position them as a strong partner in sectors requiring robust IT solutions.

    Read All Reviews

    Select Industry to see insights

    Engineering Information technology Financial services Other industries eCommerce Construction Retail Manufacturing Automotive Advertising & marketing Education Nonprofit IT Services

    Average Project Cost Breakdown

    $50,000 to $199,999 (6) $200,000 to $999,999 (5) $10,000 to $49,000 (3) $1,000,000 to $9,999,999 (2) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently highlight Scalo's competitive pricing and excellent value for money. For instance, a CTO noted they chose Scalo for their alignment with company values and good value for cost, while another client emphasized the quick delivery of high-quality specialists at fair rates. Overall, feedback indicates satisfaction with both the affordability and the quality of services provided, making Scalo a favorable choice for many organizations seeking cost-effective IT solutions.
    Read All Reviews
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  • Qodestar Logotype

    5.0 1 review
    $5,000+
    $100 - $149 / hr
    50 - 249
    Seattle, WA

    Services provided

    10% Custom Software Development
    30% Mobile App Development
    20% UX/UI Design +3 services
    15% Mobile & App Marketing
    15% Product Design
    10% Search Engine Optimization

    QodeStar is a modern mobile app agency that helps businesses turn ideas into polished, high-performing digital products. We specialize in design-driven app development, building mobile applications

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  • Flexasoft Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Redmond, WA

    Services provided

    30% Custom Software Development
    30% Application Testing
    20% Business Consulting +2 services
    10% IT Managed Services
    10% Web Design

    Flexasoft is a software development company. The team provides Custom Software Development and Business Consulting and is located in Redmond, Washington.

    Read more
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  • SolluCIO Partners Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    30% Custom Software Development
    35% Business Consulting
    35% Cybersecurity

    SolluCIO Partners is a Cybersecurity company headquartered in Seattle, Washington. The team provides Cybersecurity and Business Consulting.

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  • Datadigm Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Sammamish, WA

    Services provided

    30% Custom Software Development
    25% BI & Big Data Consulting & SI
    25% IT Strategy Consulting +1 service
    20% Cloud Consulting & SI

    Datadigm, a midsize custom software development firm, is located in Sammamish, Washington. The team specializes in Custom Software Development and IT strategy consulting.

    Read more
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  • Envorso Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    30% Custom Software Development
    70% Cybersecurity

    Midsize Cybersecurity company Envorso, is headquartered in Seattle, Washington and Detroit, Michigan. The team focuses on Cybersecurity and Custom Software Development.

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  • DigiCorders Logotype

    Not yet reviewed

    $1,000+
    $25 - $49 / hr
    10 - 49
    Kent, WA

    Services provided

    10% Custom Software Development
    10% Content Marketing
    10% E-Commerce Development +7 services
    10% Email Marketing
    10% Graphic Design
    10% Pay Per Click
    10% Search Engine Optimization
    10% Social Media Marketing
    10% Web Design
    10% Web Development

    Established in 2021, DigiCorders is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.

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  • Buoy Development Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    100% Custom Software Development

    Buoy Development is a software development company. They are based in Seattle, Washington and have small team of experts. Their services include Custom Software Development.

    Read more
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  • BLG Technologies (P) Ltd. Logotype

    Not yet reviewed

    Undisclosed
    < $25 / hr
    10 - 49
    Seattle, WA

    Services provided

    50% Custom Software Development
    25% Cloud Consulting & SI
    25% DevOps Managed Services

    BLG Technologies (P) Ltd., a custom software development company, was launched in 2017. They offers Custom Software Development and cloud consulting & SI.

    Read more

    Seattle, WA

    210 8th Ave N, Seattle
    Seattle, WA 98109

    1

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  • PositiveSine, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Bellevue, WA

    Services provided

    30% Custom Software Development
    50% Computer Engineering
    20% Mobile App Development

    Computer Engineering company PositiveSine, Inc. Is located in Bellevue, Washington. They focus on Computer Engineering and Custom Software Development.

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  • Niftmint Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    30% Custom Software Development
    70% Blockchain

    In Seattle, Washington, Niftmint is a small Blockchain company. Their services include Blockchain and Custom Software Development.

    Read more
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  • Snaps Technology Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% E-Commerce Development
    25% Web Design +1 service
    25% Web Development

    Snaps Technology is a custom software development company headquartered in Seattle, Washington and Kolkata, India. The team provides Custom Software Development and E-Commerce Development.

    Read more
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  • POWTEC SOLUTIONS, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Bremerton, WA

    Services provided

    25% Custom Software Development
    25% Business Consulting
    25% Cybersecurity +1 service
    25% IT Managed Services

    POWTEC SOLUTIONS, LLC is a Bremerton, Washington-based custom software development firm. Their services include Custom Software Development and IT managed services.

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  • iTrellis, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% BI & Big Data Consulting & SI
    25% Business Consulting +1 service
    25% Cloud Consulting & SI

    ITrellis, LLC is a data analytics company headquartered in Seattle, Washington. Founded in 2013, the team specializes in BI & big data consulting & SI and cloud consulting & SI.

    Read more
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  • Velosys Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Poulsbo, WA

    Services provided

    25% Custom Software Development
    20% BI & Big Data Consulting & SI
    20% IT Strategy Consulting +2 services
    20% Mobile App Development
    15% Product Design

    Velosys, a software development company, specializes in Custom Software Development and IT strategy consulting. The company is located in Poulsbo, Washington.

    Read more
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  • Pensar Development Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    60% Product Design
    20% UX/UI Design

    Pensar Development is a Seattle, Washington-based Product Design company. They focus on Product Design and Custom Software Development.

    Read more
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  • Prime 8 Consulting Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Bellevue, WA

    Services provided

    20% Custom Software Development
    40% Business Consulting
    20% Digital Strategy +1 service
    20% Marketing Strategy

    Business Consulting company Prime 8 Consulting is in Bellevue, Washington. Their services include Business Consulting and Custom Software Development.

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  • Formidable Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Application Testing
    20% Cloud Consulting & SI +3 services
    20% IT Managed Services
    10% Low/No Code Development
    10% Web Design

    Formidable is an IT managed services company. They are headquartered in Seattle, Washington and London, England. Their team specializes in IT managed services and Custom Software Development.

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  • Fast Track Team Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Application Testing
    15% IT Strategy Consulting +3 services
    15% Search Engine Optimization
    15% Web Design
    15% Web Development

    Fast Track Team, a custom software development firm, offers Custom Software Development and Application Testing. The company is located in Seattle, Washington and Pune, India.

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  • AuroraView Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Redmond, WA

    Services provided

    20% Custom Software Development
    20% Application Testing
    20% DevOps Managed Services +2 services
    20% IT Strategy Consulting
    20% IoT Development

    AuroraView, a midsize IT strategy consulting company, is headquartered in Redmond, Washington. The team provides IT strategy consulting and Custom Software Development.

    Read more
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  • Yenlo Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% API Development
    20% Cloud Consulting & SI +3 services
    20% Cybersecurity
    10% IT Strategy Consulting
    10% Market Research

    Cloud consulting & SI company Yenlo was established in 2007. The firm specializes in cloud consulting & SI and Cybersecurity.

    Read more

    Seattle, WA

    113 Cherry St.
    Seattle, WA 98104

    2 - 5

    206-278-7315

    See All Locations (2)
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  • Fusion Technology Logotype

    Not yet reviewed

    Undisclosed
    $100 - $149 / hr
    Freelancer
    Kirkland, WA

    Services provided

    50% Custom Software Development
    50% IT Strategy Consulting

    IT strategy consulting and software development company Fusion Technology was launched in 2022. The team specializes in IT strategy consulting and Custom Software Development.

    Read more
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  • Axcend Consulting Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Redmond, WA

    Services provided

    25% Custom Software Development
    20% AI Development
    20% Mobile App Development +3 services
    15% BI & Big Data Consulting & SI
    10% Cloud Consulting & SI
    10% Web Design

    Established in 2018, Axcend Consulting is a small Redmond, Washington-based data analytics company. Their team provides BI & big data consulting & SI and Custom Software Development.

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  • Tignis Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% AI Development
    20% IT Managed Services +3 services
    20% IT Strategy Consulting
    10% Low/No Code Development
    10% Web Design

    Tignis is a custom software development company. Established in 2017, the firm is located in Seattle, Washington. Their team specializes in Custom Software Development and Artificial Intelligence.

    Read more
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  • IT SOFT Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% Mobile App Development
    20% Web Development +3 services
    15% Cybersecurity
    15% IT Strategy Consulting
    10% IT Managed Services

    IT SOFT, a small software development firm, is based in Bellevue, Washington. The team focuses on Custom Software Development and Web Development.

    Read more
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  • Diatomic Product Development Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    40% Product Design
    20% Application Testing +1 service
    20% Mobile App Development

    Launched in 2017, Diatomic Product Development is a Product Design company. The company focuses on Product Design and Custom Software Development.

    Read more
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  • Wimmer Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Development
    10% Application Management & Support +7 services
    10% Business Consulting
    10% CRM Consulting and SI
    10% Corporate Training & Coaching
    10% HR Consulting
    10% IT Managed Services
    10% IT Strategy Consulting
    10% Sales Outsourcing

    Launched in 2002, Wimmer Solutions is a software development company. The firm offers Custom Software Development and IT strategy consulting.

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  • Cuboid LLC Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    10 - 49
    Kirkland, WA

    Services provided

    20% Custom Software Development
    25% Mobile App Development
    20% Web Development +5 services
    10% AI Development
    10% API Development
    5% UX/UI Design
    5% Wearable App Development
    5% Web Design

    App development company Cuboid LLC was founded in 2023. The team offers Mobile App Development and Custom Software Development.

    Read more
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  • Generalsoft Corporation Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% IT Managed Services
    20% IT Strategy Consulting +3 services
    20% Mobile App Development
    10% Cloud Consulting & SI
    10% Web Design

    Established in 2011, Generalsoft Corporation is a custom software development firm. Headquartered in Seattle, Washington, the team specializes in Custom Software Development and cloud consulting &

    Read more
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  • Garingx Logotype

    Not yet reviewed

    $1,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Graphic Design
    20% Search Engine Optimization +2 services
    20% Web Design
    20% Web Development

    Garingx, a small SEO agency, is in Seattle, Washington. Their services include Search Engine Optimization and Web Design.

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  • ApiaryX Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    2 - 9
    Mill Creek, WA

    Services provided

    20% Custom Software Development
    20% AI Consulting
    20% AI Development +2 services
    20% Employer of Record (EOR) Services
    20% IT Managed Services

    IT managed services company ApiaryX is headquartered in Mill Creek, Washington. The team focuses on IT managed services and Custom Software Development.

    Read more
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  • ProductColab Logotype

    Not yet reviewed

    $1,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Consulting
    10% Content Marketing +7 services
    10% Conversion Optimization
    10% Digital Strategy
    10% IT Strategy Consulting
    10% Product Marketing
    10% Search Engine Optimization
    10% Web Design
    10% Web Development

    Product Marketing company ProductColab was established in 2023. The team specializes in Product Marketing and Content Marketing and is in Seattle, Washington.

    Read more
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  • ShowGo Software Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    40% Custom Software Development
    20% Application Management & Support
    20% Application Testing +2 services
    10% Low/No Code Development
    10% Web Design

    ShowGo Software is a software development firm in Seattle, Washington. They offer Custom Software Development and Application Testing.

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  • Devscale Logotype

    5.0 9 reviews
    $25,000+
    $100 - $149 / hr
    10 - 49
    Puyallup, WA

    Services provided

    15% Custom Software Development
    30% Mobile App Development
    15% AI Development +3 services
    15% UX/UI Design
    15% Web Development
    10% Blockchain

    Devscale is a custom software development company specializing in full-stack and end-to-end software development, tailored to meet individual client needs. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management skills and commitment to delivering on time and within budget. Clients consistently praise their ability to translate complex concepts into practical solutions, emphasizing their collaborative and proactive approach.

    See all 9 projects

    Reviews mention High-quality work

    Clients consistently commend Devscale for delivering high-quality work, noting their attention to detail and innovative problem-solving capabilities. One client highlighted their 'phenomenal product concept' and 'strong deliverables', while another praised their ability to create a 'clean platform' that met objectives effectively. Feedback reflects an overall sentiment of satisfaction, with clients appreciating the team's creativity and commitment to excellence. There were no significant criticisms regarding the quality of work, reinforcing their reputation for high standards.
    • Product Dev for College Access Software Startup
      5.0 Feb 9, 2023

      Reliable and strong leadership, empathetic and reasonable. You can trust Devscale to act like humans. Strong deliverables.

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    • Dev for Scheduling Tool SaaS
      5.0 Mar 6, 2020

      While we’re yet to develop the final product, I can speak to the quality of Devscale’s ideas. They presented me with a phenomenal product concept and a detailed plan of what it looks like and how it’s going to function. It was awesome to see our product develop and improve in their hands.

      Read Full Review
    • Web Dev for Law Firm Consulting Company
      5.0 Mar 2, 2020

      Certainly, my investors and our first client users have validated their work. Feedback has been favorable. They created a clean platform that meets our objectives by simplifying use.

      Read Full Review
    • Web Dev & UI/UX Design for Healthcare Provider
      5.0 Feb 26, 2020

      The quality of work Devscale provided is great. The site operates quickly and the user experience is up to our expectations.

      Read Full Review
    • Mobile App Dev for Advertisement Delivery Platform
      5.0 Feb 19, 2020

      They delivered exactly what I asked for, offering additional suggestions throughout the process. We were very pleased with the outcome. The app isn’t released to the public yet, but its quality is top-notch.

      Read Full Review
    Read All Reviews
    2 of 2 Custom Software Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Software Dev for Business Model Simulation Co

    5.0 — Devscale supplemented resources to support the development of a custom software product for a SaaS company. They created wireframes and the product’s UX as well as built the data architecture and Read more
    Read 2 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (3) $200,000 to $999,999 (3) $50,000 to $199,999 (2)

    What Clients Have Said

    Devscale is consistently noted for delivering strong value for money, with clients expressing satisfaction regarding the quality of work relative to costs. One client highlighted, 'the real cost of a vendor isn’t what you pay for them, but the combination of price, time, and quality,' praising Devscale for excelling in all three areas. Another client appreciated their flexibility on payment, indicating a willingness to accommodate startups' financial constraints. Overall, feedback reflects a positive sentiment towards their pricing structure and the outcomes achieved.
    Read All Reviews

    View projects from:

    Chicago, Illinois (5) St. Louis, Missouri (1) New York City, New York (1) Green Bay, Wisconsin (1) Los Angeles, California (1)
    View Profile
  • PHYTEC America Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    30% Custom Software Development
    30% IT Strategy Consulting
    10% Application Management & Support +3 services
    10% Application Testing
    10% Low/No Code Development
    10% Web Design

    PHYTEC America is a software development company. Located in Bainbridge Island, Washington and Seattle, Washington, the company specializes in Custom Software Development and IT strategy consulting.

    Read more

    Seattle, WA

    811 1st Ave. Ste. 380
    Seattle, WA 98104

    1

    +1.800.278.9913

    See All Locations (5)
    View Profile
  • Vinova Logotype

    4.0 2 reviews
    $1,000+
    < $25 / hr
    50 - 249
    Seattle, WA

    Services provided

    10% Custom Software Development
    15% Low/No Code Development
    10% Blockchain +30 services
    10% IT Staff Augmentation
    10% Mobile App Development
    10% Web Development
    5% AI Development
    5% IT Managed Services
    1% AI Consulting
    1% API Development
    1% AR/VR Development
    1% Application Management & Support
    1% Application Testing
    1% CRM Consulting and SI
    1% Cloud Consulting & SI
    1% Cybersecurity
    1% DevOps Managed Services
    1% Digital Strategy
    1% E-Commerce Development
    1% ECM Consulting and SI
    1% ERP Consulting and SI
    1% Email Marketing
    1% Employer of Record (EOR) Services
    1% Enterprise App Modernization
    1% Generative AI
    1% HR Outsourcing
    1% IT Strategy Consulting
    1% IoT Development
    1% Microservices Architecture Services
    1% Mobile & App Marketing
    1% Robotics Process Automation
    1% Wearable App Development
    1% Web Design

    Vinova is a custom software development company known for tailored software development solutions, excelling in bespoke software creation and end-to-end software engineering. With an 80-90% positive feedback rate, clients praise their technical expertise, efficient project management, and adaptability to client needs, although some note room for improvement in communication regarding project changes. Their capabilities in creating user-friendly, scalable platforms and enhancing workflow efficiency are consistently highlighted.

    See all 2 projects

    Reviews mention High-quality work

    Clients consistently highlight the high-quality work delivered by Vinova, particularly noting the impressive capabilities of their team members. One client emphasized the successful implementation of continuous integration (CI) as a key outcome of their collaboration. Overall, feedback reflects a strong sentiment of satisfaction, with no identified areas for improvement, underscoring Vinova's commitment to excellence in their services.
    • Software Development for Driving Education Institution
      4.0 Apr 9, 2015

      Vinova’s services are consistently very professional and, in the event of a glitch or other special circumstance, their response is immediate and efficient. The Vinova team is highly qualified and experienced. They are specialists that have the skill sets that are needed to complete projects in a timely manner.

      Read Full Review
    Read All Reviews
    0 of 1 Custom Software Development reviews are 5 stars
    Unknown avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Custom Software Dev for Financial Services Co

    5.0 — Vinova developed a self-service platform for a financial services company. The team built a platform for the client's customers to manage their financing through their accounts receivable. Read more
    Read 2 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (1)

    What Clients Have Said

    Clients have expressed high satisfaction with Vinova's pricing and value for money, highlighting their flexibility in meeting project requirements at reasonable rates. One client noted that Vinova's professional services and immediate response to issues distinguish them from competitors. Another client appreciated the cost efficiencies gained from Vinova's offshore capabilities while maintaining local support, indicating a strong return on investment. Overall, feedback reflects a favorable sentiment regarding the company's cost-effectiveness and quality of service.
    Read All Reviews

    More responsive than most other service providers

    Vinova is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • Leszynski Group, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Bellevue, WA

    Services provided

    10% Custom Software Development
    20% Business Consulting
    20% Cloud Consulting & SI +5 services
    10% AI Development
    10% Blockchain
    10% IoT Development
    10% Mobile App Development
    10% Web Development

    Leszynski Group, Inc. Is a cloud consulting & SI company. Launched in 1990, the team specializes in cloud consulting & SI and Business Consulting.

    Read more
    View Profile
  • Marici Technology Solutions Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    10% API Development
    10% Blockchain +7 services
    10% Cloud Consulting & SI
    10% DevOps Managed Services
    10% E-Commerce Development
    10% ECM Consulting and SI
    10% ERP Consulting and SI
    10% Enterprise App Modernization
    10% IoT Development

    Cloud consulting & SI company Marici Technology Solutions provides cloud consulting & SI and ECM consulting and SI. They are headquartered in Seattle, Washington.

    Read more
    View Profile
  • Solid State Pros Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    10% AI Consulting
    10% Branding +7 services
    10% Business Consulting
    10% DevOps Managed Services
    10% IT Strategy Consulting
    10% Product Design
    10% Staffing
    10% UX/UI Design
    10% Web Design

    Solid State Pros is a branding firm. They offer Branding and Web Design and were established in 2014. The firm is based in Seattle, Washington.

    Read more
    View Profile
  • Innovative Edge TCS Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Bothell, WA

    Services provided

    10% Custom Software Development
    10% AI Consulting
    10% Application Testing +7 services
    10% BI & Big Data Consulting & SI
    10% Business Consulting
    10% Cloud Consulting & SI
    10% Corporate Training & Coaching
    10% DevOps Managed Services
    10% IT Strategy Consulting
    10% Recruiting

    IT strategy consulting company Innovative Edge TCS is in Bothell, Washington. Founded in 2015, the team focuses on IT strategy consulting and BI & big data consulting & SI.

    Read more
    View Profile
  • Mavensoft Technologies Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% Cloud Consulting & SI
    20% IT Staff Augmentation +2 services
    20% IT Strategy Consulting
    20% Web Development

    Mavensoft Technologies is an IT strategy consulting company. The Alpharetta, Georgia-based team focuses on IT strategy consulting and cloud consulting & SI.

    Read more

    Bellevue, WA

    2018 156th Ave. NE, Bldg. F, Ste. 100
    Bellevue, WA 98007

    1

    See All Locations (3)
    View Profile
  • Vidyatech Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Newcastle, WA

    Services provided

    20% Custom Software Development
    30% Cybersecurity
    20% Cloud Consulting & SI +2 services
    20% Unified Communications Consulting & SI
    10% Web Design

    Vidyatech is a midsize Cybersecurity company located in Vancouver, Canada and Newcastle, Washington. The team offers Cybersecurity and cloud consulting & SI.

    Read more

    Newcastle, WA

    14823 SE 79th Pl
    Newcastle, WA 98059

    1

    See All Locations (3)
    View Profile

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Ability to deliver
Focus
Clutch Leaders Matrix

Rollover to see company insights or click a company below for more details.

1 Jelvix
2 Bilberrry
3 Affirma Consulting
4 UPQODE
5 ATOMICUS
6 Slashdev
7 Culture Foundry
8 Nearsure, a Nortal company
9 UpTop
10 ThirstySprout
11 Flower Press Interactive
12 UKAD
13 Mobcoder
14 Beyondsoft Consulting Inc.
15 Lunarbyte.io

List of the Top 15 Seattle Custom Software Development Companies

  1. Jelvix Logotype

    Jelvix

    $50,000+
    $50 - $99 / hr
    250 - 999
    Seattle, WA

    Ability to deliver

    38.9/40.0
    20/20 Reviews
    9.1/10 Clients & Experience
    9.8/10 Market Presence

    Service focus

    70% Custom Software Development
    30% Other
    View Profile Visit Website
  3. Affirma Consulting Logotype

    Affirma Consulting

    $10,000+
    $100 - $149 / hr
    250 - 999
    Bellevue, WA

    Ability to deliver

    32.7/40.0
    15.8/20 Reviews
    7.3/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    35% Custom Software Development
    65% Other
    View Profile Visit Website
  4. UPQODE Logotype

    UPQODE

    $5,000+
    $100 - $149 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    38.6/40.0
    20/20 Reviews
    10/10 Clients & Experience
    8.6/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  5. ATOMICUS Logotype

    ATOMICUS

    $50,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    31.5/40.0
    16.4/20 Reviews
    9.5/10 Clients & Experience
    5.6/10 Market Presence

    Service focus

    60% Custom Software Development
    40% Other
    View Profile Visit Website
  6. Slashdev Logotype

    Slashdev

    $5,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    35.5/40.0
    17/20 Reviews
    10/10 Clients & Experience
    8.5/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  7. Culture Foundry Logotype

    Culture Foundry

    $25,000+
    $150 - $199 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    37.1/40.0
    17.8/20 Reviews
    10/10 Clients & Experience
    9.3/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  8. Nearsure, a Nortal company Logotype

    Nearsure, a Nortal company

    $25,000+
    $25 - $49 / hr
    250 - 999
    Kirkland, WA

    Ability to deliver

    35.6/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  9. UpTop Logotype

    UpTop

    $25,000+
    $150 - $199 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    35.8/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    15% Custom Software Development
    85% Other
    View Profile Visit Website
  10. ThirstySprout Logotype

    ThirstySprout

    $50,000+
    $50 - $99 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    35.9/40.0
    17.6/20 Reviews
    10/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  11. Flower Press Interactive Logotype

    Flower Press Interactive

    $10,000+
    $150 - $199 / hr
    10 - 49
    Medina, WA

    Ability to deliver

    36.2/40.0
    18.8/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  12. UKAD Logotype

    UKAD

    $5,000+
    $50 - $99 / hr
    250 - 999
    Kirkland, WA

    Ability to deliver

    34.8/40.0
    17.6/20 Reviews
    9.4/10 Clients & Experience
    7.8/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  13. Mobcoder Logotype

    Mobcoder

    $25,000+
    $50 - $99 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    35.8/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    9.6/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  14. Beyondsoft Consulting Inc. Logotype

    Beyondsoft Consulting Inc.

    $10,000+
    $150 - $199 / hr
    10,000+
    Bellevue, WA

    Ability to deliver

    32.6/40.0
    15.2/20 Reviews
    10/10 Clients & Experience
    7.4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  15. Lunarbyte.io Logotype

    Lunarbyte.io

    $25,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    33.2/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    30% Custom Software Development
    70% Other
    View Profile Visit Website
  16. Black Antelope Logotype

    Black Antelope

    $25,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    34.6/40.0
    16.2/20 Reviews
    10/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    15% Custom Software Development
    85% Other
    View Profile Visit Website
  17. Tecla Logotype

    Tecla

    $25,000+
    $25 - $49 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    34.2/40.0
    19/20 Reviews
    8/10 Clients & Experience
    7.2/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  18. AccelOne Logotype

    AccelOne

    $10,000+
    $50 - $99 / hr
    50 - 249
    Kirkland, WA

    Ability to deliver

    32.9/40.0
    16/20 Reviews
    8.6/10 Clients & Experience
    8.3/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  19. Innova Logotype

    Innova

    $5,000+
    $50 - $99 / hr
    50 - 249
    Seattle, WA

    Ability to deliver

    31.6/40.0
    17.2/20 Reviews
    9.5/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  20. Smashing Ideas Logotype

    Smashing Ideas

    Undisclosed
    Undisclosed
    50 - 249
    Seattle, WA

    Ability to deliver

    30.8/40.0
    16.2/20 Reviews
    8/10 Clients & Experience
    6.6/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  21. Northwest Independent Ruby Development Logotype

    Northwest Independent Ruby Development

    $25,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    23.8/40.0
    16.2/20 Reviews
    2.4/10 Clients & Experience
    5.2/10 Market Presence

    Service focus

    65% Custom Software Development
    35% Other
    View Profile Visit Website
  22. Matey Logotype

    Matey

    $10,000+
    $200 - $300 / hr
    2 - 9
    Seattle, WA

    Ability to deliver

    29.5/40.0
    16.4/20 Reviews
    9.1/10 Clients & Experience
    4/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  23. Virtuosity Consulting Logotype

    Virtuosity Consulting

    $10,000+
    $25 - $49 / hr
    50 - 249
    Bellevue, WA

    Ability to deliver

    25.8/40.0
    16.2/20 Reviews
    3.1/10 Clients & Experience
    6.5/10 Market Presence

    Service focus

    25% Custom Software Development
    75% Other
    View Profile Visit Website
  24. New Normal Logotype

    New Normal

    $50,000+
    $100 - $149 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    25.8/40.0
    17.4/20 Reviews
    3.8/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  25. Scalex Technology Solutions Logotype

    Scalex Technology Solutions

    $5,000+
    $25 - $49 / hr
    10 - 49
    Bellevue, WA

    Ability to deliver

    24.3/40.0
    16.2/20 Reviews
    3.5/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  26. Room 8 Group Logotype

    Room 8 Group

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Kingston, WA

    Ability to deliver

    19.5/40.0
    0/20 Reviews
    10/10 Clients & Experience
    9.5/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  27. Growth Natives Logotype

    Growth Natives

    $5,000+
    $25 - $49 / hr
    50 - 249
    Clyde Hill, WA

    Ability to deliver

    25/40.0
    15/20 Reviews
    0/10 Clients & Experience
    10/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website
  28. Dura Digital Logotype

    Dura Digital

    $10,000+
    $50 - $99 / hr
    10 - 49
    Seattle, WA

    Ability to deliver

    23.6/40.0
    17.4/20 Reviews
    1.2/10 Clients & Experience
    5/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  29. Neighborsoft.team Logotype

    Neighborsoft.team

    $1,000+
    $100 - $149 / hr
    250 - 999
    Bellevue, WA

    Ability to deliver

    20.8/40.0
    16.2/20 Reviews
    0/10 Clients & Experience
    4.6/10 Market Presence

    Service focus

    20% Custom Software Development
    80% Other
    View Profile Visit Website
  30. Persistent Systems Logotype

    Persistent Systems

    $25,000+
    $25 - $49 / hr
    10,000+
    Bellevue, WA

    Ability to deliver

    21.6/40.0
    14.6/20 Reviews
    0/10 Clients & Experience
    7/10 Market Presence

    Service focus

    10% Custom Software Development
    90% Other
    View Profile Visit Website

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Top Software Development Agencies in Seattle

Seattle software firms design, build, test, and maintain custom applications. Typical services include:

  • Product discovery and technical road-mapping
  • UX/UI design and prototyping
  • Web, mobile, and cloud-native development (often on AWS or Azure)
  • QA automation and DevOps
  • Post-launch support and feature expansion Many local agencies also provide staff augmentation, allowing Seattle’s Fortune 500s and startups alike to scale quickly without recruiting overhead.

Here are some reasons why you should hire a local Seattle-based software development agency:

  • Proximity to major cloud platforms (AWS, Azure, Google Cloud Northwest) gives local teams early access to new services and regional data centers.
  • The city’s mature startup ecosystem, such as Techstars Seattle and Madrona Venture Group, means agencies are comfortable iterating fast and working with VC-backed roadmaps.
  • Pacific Time overlaps conveniently with both East Coast business hours and APAC engineering teams, streamlining distributed collaboration.

Rates vary by specialty and team size:

  • Mid-level custom software work: $125–$175 per hour
  • High-complexity cloud or AI projects: $175–$250+ per hour Fixed-scope MVPs typically start around $75,000, while long-term enterprise engagements can exceed $500,000. Many boutique studios offer phased billing or sprint-based contracts so you can control burn rate.

Seattle developers commonly work in:

  • Cloud & SaaS
  • E-commerce and retail tech
  • Healthcare and digital health
  • Fintech and payments
  • Maritime logistics and supply chain
  • Gaming and AR/VR (bolstered by the local indie-game scene)

Match expertise to your stack. For example, if you’re building on AWS Lambda, look for certified partners. Then you can follow these:

  • Review Clutch case studies. Prior success in your industry often predicts smoother onboarding.
  • Assess communication style. Schedule a technical deep-dive; strong agencies explain trade-offs clearly and propose realistic timelines.
  • Check cultural fit. Seattle shops range from corporate consultancies to scrappy agile squads—pick the environment that aligns with your team culture.

Watch out for these red flags when hiring a Seattle software firm:

  • One-size-fits-all proposals that ignore your existing architecture
  • Limited local presence (e.g., sales office in Seattle but dev team entirely offshore without overlap hours)
  • Inflexible IP terms that don’t assign code ownership to your company
  • Over-promising senior talent but staffing junior engineers without notice If any of these appear during discovery, continue vetting other Seattle software development services.

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Specialties

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