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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
    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
    6 of 6 Custom Software Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    UI/UX Design & Custom Software Dev for Medical Products Co

    5.0 — Kingsmen Digital Ventures has overhauled an aesthetic medical products manufacturer's loyalty program solution. They've rebuilt the backend and designed the infrastructure and UI for B2B and B2C Read more
    Read 6 Reviews

    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
    $15,840 Define features, cost, design, and market strategy $100,000 Simple app in 3 months: Design, build, and launch $298,560 Elite design, build, or rescue of complex projects

    Premier Software Development

    Building software with Kingsmen means harnessing the power of a California-based high-performance team. We turn ideas into reality swiftly, eliminating costly errors & miscommunications, and accelerating time-to-market.
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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 Great team

    Overall, clients express a strong sentiment regarding Innowise's team, highlighting their professionalism and integration into client operations. Feedback emphasizes their technical expertise, with one client noting their 'can-do attitude' and effective communication. Another client remarked on the team's ability to quickly adapt and deliver solutions, stating, 'They feel like part of our team, not just a vendor.' The team's commitment and maturity were frequently recognized, contributing to positive ongoing collaborations.
    • IT Consulting & Software Dev for Insurance Company
      4.5 Feb 7, 2023

      We’ve enjoyed working with them. Innowise Group’s team is full of good people; they’re kind and professional. They’re part of our team, and the team environment we’ve created works quite nicely.

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    • Custom Software Development for Gas Manufacturing Company
      5.0 Apr 28, 2022

      The kind of support we received from their team was remarkable. They treated us like their partners and not one from many ‘clients’. They ensured the project was handled carefully and things were delivered on time.

      Read Full Review
    Read All Reviews
    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

    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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    United States (15) Germany (10) Italy (6) England (4) Switzerland (4) Israel (3) Estonia (3) Luxembourg (2) France (2) Ireland (2) Lithuania (1) Qatar (1) Armenia (1) Finland (1) New Zealand (1) Norway (1) Poland (1) Georgia (1) South Africa (1) Sweden (1) Denmark (1) Thailand (1) Belarus (1) Bosnia and Herzegovina (1)
    View Profile Visit Website
    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 Proactive

    Client feedback highlights Simform's proactive approach as a key strength across multiple reviews. Clients praised their clear and structured communication, timely delivery, and responsiveness to evolving project needs. For instance, one client noted that Simform's team kept them updated on progress and next steps, ensuring smooth project management. Another client emphasized their proactive monitoring of deadlines and readiness to address challenges swiftly. Overall, the sentiment regarding Simform's proactive engagement is overwhelmingly positive, underscoring their commitment to client success.
    • Custom Software Development for Real Estate Company
      5.0 Apr 16, 2024

      They proactively monitored all deadlines and diligently ensured that their responsibilities were completed on schedule. Their eagerness to assist in areas where we lack expertise is invaluable. They readily fill any gaps in our capabilities; they have been instrumental to our present and future success.

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    • Staff Aug, Web Design & Dev for Software Development Startup
      4.5 Sep 1, 2023

      Simform’s team stays aware and involved in the project deliveries. The team stays connected, which ensures streamlined communication. Simform brings up any potential issues or delays they foresee. Simform challenges our concepts and constantly provides suggestions to improve our work, highlighting the challenges they foresee.

      Read Full Review
    • UI/UX Design Services & Testing for Mgmt Software Co
      5.0 Mar 13, 2025

      Simform's project management was highly efficient, with all deliverables made on time. They were very responsive to our needs, with the team actively engaging through Microsoft Teams and daily online meetings for status updates. Team members also posted delay updates in the Teams channel, ensuring transparency. What impressed us most about Simform was their exceptional responsiveness and commitment to our success. They consistently delivered high-quality results on time and demonstrated a proactive approach to addressing our needs. The level of communication was outstanding, with daily updates and quick resolutions to any challenges.

      Read Full Review
    • Development & QA Support for Lifestyle Membership Platform
      5.0 Apr 3, 2025

      Simform’s project management has been excellent. They consistently delivered reasonably on time, maintained clear and proactive communication, and were quick to address any issues that arose. Their ability to adapt to our evolving needs and go the extra mile—often working weekends—demonstrated a real commitment to our goals.

      Read Full Review
    • Backend Dev & Cloud Engineering for AI SaaS Company
      5.0 May 9, 2025

      In cases where there were delays or deviations from the plan, Simform’s team communicated proactively. On rare occasions when unexpected issues arose, their customer success team stepped in promptly to ensure timelines stayed on track and disruptions were minimized. Thanks to the strong support from Simform’s customer success team and the dedication of the engineers provided, the collaboration remained smooth and required minimal oversight from our end.

      Read Full Review
    Read All Reviews
    30 of 38 Custom Software Development reviews are 5 stars
    2 new reviews for Custom Software Development in past 6 months
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    Mobile App & Software Development for Medical Device Company

    5.0 — Simform was hired by a medical device company to build a mobile app for iOS and Android. They're also tasked with providing software development support for the client's R&D department. Read more
    Read 38 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (20) $10,000 to $49,000 (16) $200,000 to $999,999 (14) Less than $10,000 (1)

    What Clients Have Said

    Clients generally perceive Simform as offering good value for money, with many highlighting the company's competitive pricing and high-quality deliverables. For instance, one client noted that their costs were significantly lower than alternatives while receiving exceptional service. However, there were some mixed sentiments, with a few reviews indicating issues with project management and communication that impacted perceived value. Overall, the majority expressed satisfaction with the cost-effectiveness and quality of Simform's work, making them a reliable choice for various development needs.
    Read All Reviews

    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
    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

    Industry Experience

    Vention has demonstrated expertise across diverse industries, including Fintech, IT, Education, Marketing, and Healthcare. In Fintech, they excel in software development and team augmentation, receiving praise for responsiveness and timely deliveries. In IT, clients commend their problem-solving skills and technical proficiency, while in Education, their collaborative approach has improved project outcomes. Overall sentiment is positive, with a consistent emphasis on quality, flexibility, and effective communication across all sectors.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Education Business services Financial services Food & Beverage Software eCommerce Healthcare Logistics & Supply Chain Hospitality & leisure Consulting Social Networking Energy & natural resources Wellness & Fitness Transportation IT Services Real estate Media Arts, entertainment & music Utilities Chemicals & Biotechnology Consumer Products Information technology Other Industry

    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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  • SOUTHWORKS Logotype

    Not yet reviewed

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

    Services provided

    50% Custom Software Development
    40% Cloud Consulting & SI
    5% BI & Big Data Consulting & SI +1 service
    5% Cybersecurity

    SOUTHWORKS is a midsize custom software development firm. They offer Custom Software Development and cloud consulting & SI and were launched in 2004.

    Read more

    Bellevue, WA

    10900 NE 4th St
    Bellevue, WA 98004

    6 - 9

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  • Fresh Consulting Logotype

    Not yet reviewed

    Undisclosed
    $200 - $300 / hr
    250 - 999
    Bellevue, WA

    Services provided

    25% Custom Software Development
    20% UX/UI Design
    10% AR/VR Development +7 services
    10% Digital Engineering
    10% Mobile App Development
    5% AI Development
    5% Branding
    5% Enterprise App Modernization
    5% IoT Development
    5% Wearable App Development

    Fresh Consulting is a custom software development firm established in 2007. The midsize team provides Custom Software Development and UX/UI Design.

    Read more
    View Profile

  • 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

    Reviews mention Reasonable pricing

    The overall sentiment regarding Elaniin's pricing is positive, with clients highlighting a 'good price-service-outcome balance' and recognizing their provision of 'cost-effective and high-quality developers.' One client appreciated the transparency in pricing, although they noted some confusion due to variables involved. This feedback suggests that while clients find the pricing reasonable, clearer communication regarding rates could enhance their experience.
    • Staff Augmentation for Technology Startup
      5.0 Jul 7, 2021

      They provide cost-effective and high-quality developers on a near-shore and local timezone basis. While they're forthcoming with pricing, there are a lot of variables that make it a little confusing. In an industry plagued with a lot of mystery around pricing, I found the conversation refreshing. Even still, I wish they had a crystal clear rate sheet they could provide that included discounts with scale.

      Read Full Review
    • Document Processing Automation for Financial Services Co
      4.5 Jan 26, 2026

      Good price-service-outcome balance.

      Read Full Review
    Read All 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 Customized support

    Clients have praised WeSoftYou for their customized support, noting their seamless integration with internal teams and adaptability to specific business needs. One client highlighted their exceptional responsiveness and proactive problem-solving, stating, "WeSoftYou has worked diligently to understand our goals." Additionally, the collaborative approach has been instrumental in achieving significant growth, with a client reporting a 300% increase in revenue due to their support. Overall, the sentiment towards their tailored assistance is overwhelmingly positive.
    • Staff Augmentation for Cybersecurity Company
      5.0 May 27, 2021

      I’ve managed a number of outsourcing relationships in my career, and they’ve really stood out to me. Oftentimes, external firms force you to conform to their set processes, which can derail overall efficiency. WeSoftYou, on the other hand, has worked diligently to understand our goals. Based on this understanding, they’ve morphed their practices to fit our needs.

      Read Full Review
    Read All Reviews
    18 of 18 Custom Software Development reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Custom Software Development PROJECT HIGHLIGHT

    AI-Powered Educational Platform Dev for EdTech Company

    5.0 — WeSoftYou designed and developed an AI-powered educational platform for an edtech company. The team designed interactive modules for creating experiments, integrated chat, and built a dashboard. Read more
    Read 18 Reviews

    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
    3 of 3 reviews are 5 stars
    3 new reviews for Custom Software Development services
    $200,000 – $999,999 avg. project cost

    Reviewed 3 times in the past 6 months

    In the last six months, clients have consistently praised Ancient for their exceptional responsiveness and the quality of talent provided. One client highlighted their ability to exceed expectations with quality resources, while another noted their smooth process in hiring a developer, leading to significant efficiency gains. Overall, feedback reflects a strong sentiment regarding Ancient's commitment to customer service, effective project management, and alignment with client values, with no significant areas for improvement identified.
    Read 3 Recent Reviews
    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

    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)
    View Profile Visit Website
  • Kopius, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    250 - 999
    Kirkland, WA

    Services provided

    40% Custom Software Development
    25% Cloud Consulting & SI
    20% BI & Big Data Consulting & SI +1 service
    15% AI Development

    Kopius, Inc. Is a custom software development firm. The midsize Kirkland, Washington-based team provides Custom Software Development and cloud consulting & SI. The agency was launched in 2017.

    Read more
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  • TransAct Communications, LLC Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Lynnwood, WA

    Services provided

    45% Custom Software Development
    30% Translation
    15% Mobile App Development +1 service
    10% Low/No Code Development

    Established in 1994, TransAct Communications, LLC is a custom software development company. The agency focuses on Custom Software Development and Translation.

    Read more
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  • Palador Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% Enterprise App Modernization
    20% UX/UI Design +3 services
    20% Web Development
    10% Application Management & Support
    10% Mobile App Development

    Palador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App

    Read more
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  • Caravel Labs Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    40% Custom Software Development
    25% Mobile App Development
    20% UX/UI Design +1 service
    15% Web Development

    Caravel Labs is a software development firm. The Seattle, Washington-based firm specializes in Custom Software Development and Mobile App Development.

    Read more
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  • Fenyx Studio Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    10% Custom Software Development
    60% Mobile App Development
    30% Web Development

    Launched in 2017, Fenyx Studio is a mobile app development company. The small team specializes in Mobile App Development and Web Development.

    Read more

    Seattle, WA

    1201 3rd Avenue
    Seattle, WA 98101

    6 - 9

    3102708327

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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

    Reviews mention Detail-oriented

    Clients consistently emphasized Iron Forge Development's detail-oriented approach, noting their exceptional care for intricate aspects of app development. One client highlighted that the team's ability to interpret goals and refine details prevented potential flaws in the final product. Another remarked on their keen eye for detail, which contributed to a polished and user-friendly application. Overall, the sentiment surrounding their attention to detail is overwhelmingly positive, reinforcing their reputation for delivering high-quality work.
    • Crypto-Industry Product Dev for Software Dev Studio
      5.0 Apr 8, 2022

      The deliverables were above and beyond what I expected. The care for the details, not just attention to them is what makes the Iron Forge a great group to work with. If attention to detail were the only quality I could speak highly about, The app would have had clear flaws in it because some of the details I delivered didn't make sense in practice. Iron Forge interpreted my goal and modified the details to build tech that accomplished that goal.

      Read Full Review
    • iOS & Android Dev for Cosmetics Company
      5.0 Nov 30, 2020

      Iron Forge Development’s theme and app design is very clean and polished. Their eye for detail is something that stands out. The users are always in front of Iron Forge Development’s mind when they develop an app. They make sure that we are taken care of and we understand the process.

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    1 of 1 reviews is 5 stars
    $200,000 – $999,999 avg. project cost

    Reviewed 1 time in the past 6 months

    In the past six months, client feedback for Iron Forge Development has been overwhelmingly positive. A VP from soona highlighted their exceptional project management, timely deliveries, and proactive communication, noting that the Trend mobile app's success directly stems from Iron Forge’s contributions. Clients appreciate their thought partnership approach, which offers predictable costs and superior talent. Overall, there were no suggested areas for improvement, indicating a strong alignment with client expectations.
    Read 1 Recent Review

    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

    View projects from:

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

    Reviewed 2 times in the past 6 months

    Recent reviews for Rubyroid Labs highlight exceptional professionalism and technical expertise. Clients praised their proactive problem-solving and consistent communication, noting that the team acts as a true extension of the client’s business. One reviewer emphasized the successful completion of a complex API integration with 100% endpoint coverage, while another highlighted a web application achieving over 99% system uptime. Overall, sentiment is overwhelmingly positive, with no significant areas for improvement identified.
    Read 2 Recent Reviews

    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.

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    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

    More responsive than most other service providers

    Rubyroid Labs 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:

    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)
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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

    Reviews mention Helpful

    Clients have expressed a highly positive sentiment towards Calibrate Software, noting their exceptional communication and organizational skills. A pastor from Chicago highlighted how Calibrate guided them through app development, providing valuable insights despite their lack of technical expertise. The client appreciated Calibrate's transparency and the team's ability to accommodate their needs, recommending them for future projects. Overall, the feedback underscores Calibrate's helpfulness in educating clients and fostering effective collaboration.
    • Mobile App Dev for a Catholic Church & School
      5.0 Jul 27, 2021

      Calibrate has been transparent and very organized; we’ve always understood at which stage we are. They’ve also provided us with options to chose from. Calibrate provides excellent communication and organizational skills. Given their high-level expertise, they’ve also been very patient with us. They’ve accommodated our needs at times where we need the project to move slower. Additionally, everything has been smooth and timely. Calibrate’s development expertise is impressive. I didn’t even know what questions to ask, but they were very helpful in educating me about the development space.

      Read Full Review
    • Landing Page Development & Design for Golf Products Company
      5.0 Feb 28, 2025

      Calibrate Software was incredible. Their team was very transparent and always wanted to work with us. They hit a rapid turnaround with the resources we had. They worked around the clock to help create this experience for us, which was truly valuable. The team communicated any issue or delay well in advance so we could work around it where needed. Kevin and Sean were extremely valuable, helpful, and responsive.

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    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

    Average Project Cost Breakdown

    $10,000 to $49,000 (12) $50,000 to $199,999 (9) Less than $10,000 (4) $200,000 to $999,999 (4)

    What Clients Have Said

    Clients consistently highlight Calibrate Software's competitive pricing and overall value for money. For instance, one COO noted that their pricing fit the budget and offered good value, while another client emphasized their exceptional communication and responsiveness. Several reviews mention that the company's services exceeded expectations without unexpected costs. Overall, the sentiment reflects satisfaction with the balance of cost and quality, affirming Calibrate's reputation for delivering high-quality solutions within budget.
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    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
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  • PiorSoft Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Kirkland, WA

    Services provided

    100% Custom Software Development

    Established in 2016, PiorSoft, a small software development company, is located in Kirkland, Washington. Their team offers Custom Software Development.

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  • CoreUs Logotype

    Not yet reviewed

    $250,000+
    Undisclosed
    2 - 9
    Renton, WA

    Services provided

    60% Custom Software Development
    20% UX/UI Design
    10% AI Development +1 service
    10% Mobile App Development

    CoreUs is a software development firm. The Renton, Washington-based company provides Custom Software Development and UX/UI Design.

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  • Featured

    What are Featured Providers?

    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

    Reviews mention Receptive

    The feedback from Mintage Inc.'s CEO highlights Semaphore Mobile's receptiveness throughout the project. Clients appreciated their stellar project management, with consistent updates and a proactive approach to problem-solving. The CEO noted, "They actively took a role in the success of our project," emphasizing their willingness to implement feedback and suggestions. Overall, the sentiment is highly positive, reflecting a strong partnership rather than a transactional relationship.
    • Platform Overhaul & Dev for Social Media NFT App Company
      5.0 Nov 8, 2022

      They not only helped us make all the changes that we wanted, but they also helped us adjust our app to prioritize user security and ease of use. Always willing to schedule a call and quickly responded to emails. They discovered issues and gave ideas on areas of improvement. They value and implement feedback or changes.

      Read Full Review
    Read All Reviews
    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

    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)
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    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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  • Harbinger Group Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    250 - 999
    Redmond, WA

    Services provided

    20% Custom Software Development
    25% AI Development
    10% AI Consulting +6 services
    10% Digital Engineering
    10% Generative AI
    10% IT Managed Services
    5% DevOps Managed Services
    5% Product Design
    5% Web Development

    Harbinger Group is an AI company. The Redmond, Washington-based team specializes in Artificial Intelligence and Custom Software Development.

    Read more
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  • Techlusion LLC Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% AI Development
    20% Cloud Consulting & SI +2 services
    20% IT Staff Augmentation
    20% Mobile App Development

    Techlusion LLC is a cloud consulting & SI company. Their small team is in Lynnwood, Washington and Ahmedabad, India. Their services include cloud consulting & SI and IT staff augmentation.

    Read more
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  • FluentPro Software Corporation Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Issaquah, WA

    Services provided

    25% Custom Software Development
    25% BI & Big Data Consulting & SI
    25% IT Managed Services +1 service
    25% IT Strategy Consulting

    In Issaquah, Washington, FluentPro Software Corporation is an IT strategy consulting company. The team specializes in IT strategy consulting and BI & big data consulting & SI.

    Read more
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  • Beamshift Logotype

    Not yet reviewed

    $5,000+
    $50 - $99 / hr
    2 - 9
    Federal Way, WA

    Services provided

    50% Custom Software Development
    25% IoT Development
    25% Web Development

    Beamshift is a software development firm. Their small team is in Federal Way, Washington and specializes in Custom Software Development and Web Development. The agency was founded in 2024.

    Read more
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  • AMP Creative Logotype

    Not yet reviewed

    $5,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    15% Custom Software Development
    40% Corporate Training & Coaching
    20% Video Production +2 services
    15% AR/VR Development
    10% Web Design

    AMP Creative is a Corporate Training & Coaching company. The Dallas, Texas-based company was launched in 2002. Their services include Corporate Training & Coaching and Video Production.

    Read more

    Seattle, WA

    4626 43rd Ave S
    Seattle, WA 98118

    2 - 5

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  • Plain Concepts Logotype

    Not yet reviewed

    $25,000+
    $100 - $149 / hr
    250 - 999
    Redmond, WA

    Services provided

    15% Custom Software Development
    20% AI Development
    20% BI & Big Data Consulting & SI +8 services
    10% UX/UI Design
    10% Web Development
    8% AR/VR Development
    5% IoT Development
    5% Mobile App Development
    3% Video Production
    2% Blockchain
    2% Graphic Design

    Based in Redmond, Washington and Virgin Islands (U.S.), Plain Concepts is an AI firm. They focus on Artificial Intelligence and BI & big data consulting & SI and were established in 2006.

    Read more
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  • White Rabbit Group Inc Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    50 - 249
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% Web Development
    10% E-Commerce Development +4 services
    10% Mobile App Development
    10% Product Design
    10% UX/UI Design
    10% Web Design

    Software development firm White Rabbit Group Inc was established in 2016. The company provides Custom Software Development and Web Development.

    Read more
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  • Lunavi Logotype

    Not yet reviewed

    $10,000+
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Cloud Consulting & SI
    15% IT Managed Services +9 services
    5% Application Management & Support
    5% Application Testing
    5% BI & Big Data Consulting & SI
    5% Cybersecurity
    5% Enterprise App Modernization
    5% Mobile App Development
    5% Other Application Development
    5% Other IT Consulting and SI
    5% Web Development

    Lunavi, a custom software development company, offers Custom Software Development and cloud consulting & SI. The agency is located in Cheyenne, Wyoming and Omaha, Nebraska.

    Read more

    Seattle, WA

    2001 6th Avenue, Suite 1919
    Seattle, WA 98121

    2 - 5

    8669953282

    See All Locations (4)
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  • Provoke Solutions Logotype

    Not yet reviewed

    $25,000+
    Undisclosed
    50 - 249
    Bellevue, WA

    Services provided

    20% Custom Software Development
    10% AI Development
    10% Application Management & Support +6 services
    10% Enterprise App Modernization
    10% IoT Development
    10% Mobile App Development
    10% UX/UI Design
    10% Web Design
    10% Web Development

    Provoke Solutions, a software development firm, offers Custom Software Development and Enterprise App Modernization. The firm is in Bellevue, Washington and Wellington, New Zealand.

    Read more
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  • Witekio Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% Cybersecurity
    20% DevOps Managed Services +2 services
    20% IoT Development
    20% UX/UI Design

    Launched in 2009, Witekio, a midsize user experience design agency, is in Lyon, France and Bellevue, Washington. Their services include UX/UI Design and Cybersecurity.

    Read more

    Bellevue, WA

    3150 Richards Road
    Bellevue, WA 98005

    21 - 30

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  • TangoTeams Logotype

    Not yet reviewed

    $75,000+
    Undisclosed
    50 - 249
    Seattle, WA

    Services provided

    25% Custom Software Development
    30% Mobile App Development
    30% Web Development +1 service
    15% Other Application Development

    TangoTeams, a midsize website development company, is in Seattle, Washington. Their services include Web Development and Mobile App Development.

    Read more
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  • Assemble Logotype

    Not yet reviewed

    $25,000+
    $150 - $199 / hr
    50 - 249
    Seattle, WA

    Services provided

    20% Custom Software Development
    35% E-Commerce Development
    10% Business Consulting +5 services
    10% Cloud Consulting & SI
    10% ERP Consulting and SI
    5% CRM Consulting and SI
    5% Mobile App Development
    5% Web Development

    Assemble is a midsize e-commerce development company based in Seattle, Washington. Their services include E-Commerce Development and Custom Software Development.

    Read more
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  • Schema Design Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    40% Graphic Design
    20% Branding +1 service
    20% Logo

    In Seattle, Washington, Schema Design is a small graphic design company. Their services include Graphic Design and Custom Software Development.

    Read more
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  • SWECKER Logotype

    5.0 2 reviews
    $5,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    10% Custom Software Development
    55% Web Development
    15% Web Design +3 services
    10% Mobile App Development
    5% Digital Strategy
    5% E-Commerce Development

    SWECKER is a versatile digital solutions company that specializes in digital marketing, web development, and e-document delivery. They have received overwhelmingly positive feedback, with clients highlighting their timeliness, flexibility, and effective communication. Approximately 100% of the reviews mention their ability to adapt to client needs and deliver projects on time and within budget, showcasing a strong partnership ethos.

    See all 2 projects

    Reviews mention Easy to work with

    Clients consistently express that SWECKER is easy to work with, highlighting their adaptability and positive attitude. One client noted, "SWECKER has always been able to adjust" to their internal processes, making collaboration seamless. Additionally, effective communication and quick response times were emphasized, with the client stating, "It was all smooth and easy with no major issues." Overall, the sentiment surrounding SWECKER's approachability and responsiveness is overwhelmingly positive.
    • Web Development for Northwest Wine Company
      5.0 Oct 20, 2016

      We're a smaller company, and we do everything in-house. We don't always work well with different companies because they must adjust to how we work, but SWECKER has always been able to adjust. Things take time here, and there are a lot of different people that are involved on the Precept side too. It was easy to work with them; they’re always positive, and they're always working to adjust to our needs, which is awesome.

      Read Full Review
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    Industry Experience

    SWECKER has demonstrated expertise primarily in the Advertising & Marketing and Food & Beverages industries. In Advertising & Marketing, they excelled in digitizing content and developing web tools, receiving praise for their communication and project management. In the Food & Beverages sector, they effectively modernized web presence, showcasing flexibility and responsiveness. Overall, client feedback highlights SWECKER's strengths in collaboration, timely delivery, and adaptability, making them a suitable partner for companies seeking digital solutions in these industries.

    Read All Reviews

    Select Industry to see insights

    Advertising & marketing Food & Beverages

    Average Project Cost Breakdown

    $10,000 to $49,000 (1) $200,000 to $999,999 (1)

    What Clients Have Said

    Clients generally express high satisfaction with SWECKER's cost-effectiveness and value for money. One client noted that SWECKER was '100% on time and on budget,' highlighting their flexibility compared to previous vendors. Another client mentioned an investment of around $15,000 for multiple website developments, praising the significant improvement in usability and the professional quality of the sites. Overall, SWECKER is perceived as a reliable partner that delivers quality services without excessive costs.
    Read All Reviews

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    4.8

    Willing to Refer

    4.5

    Seattle-based reviewers praise SWECKER for their expertise in web development and digital solutions, including interactive tools and website updates for clients like Farmers Life and Precept Wine. They highlight the company's reliable project management, flexibility, and ability to deliver high-quality, user-friendly platforms on time and within budget.
    Read Local Reviews
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  • WinnComm, LLC Logotype

    Not yet reviewed

    $10,000+
    $150 - $199 / hr
    2 - 9
    Kent, WA

    Services provided

    25% Custom Software Development
    25% Web Development
    15% Public Relations +3 services
    15% Social Media Marketing
    10% Mobile App Development
    10% Web Design

    WinnComm, LLC is a software development company. They provide Custom Software Development and Web Development and are based in Jaipur, India and Kent, Washington.

    Read more

    Kent, WA

    1048 West James Street, Suite 103
    Kent, WA 98032

    2 - 5

    253.293.9551

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  • Confiz Logotype

    Not yet reviewed

    $10,000+
    $25 - $49 / hr
    250 - 999
    Bellevue, WA

    Services provided

    10% Custom Software Development
    15% ERP Consulting and SI
    10% BI & Big Data Consulting & SI +8 services
    10% CRM Consulting and SI
    10% Cloud Consulting & SI
    10% IT Staff Augmentation
    10% Low/No Code Development
    10% Web Design
    5% AI Consulting
    5% AI Development
    5% IT Managed Services

    Confiz, an IT staff augmentation company, is in Bellevue, Washington and Dubai, United Arab Emirates. Launched in 2005, the team offers IT staff augmentation and ERP consulting and SI.

    Read more

    More responsive than most other service providers

    Confiz 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
  • iTrellis Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

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

    Launched in 2013, iTrellis is a small Seattle, Washington-based cloud consulting & SI company. Their team provides cloud consulting & SI and Custom Software Development.

    Read more
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  • Futurism Technologies Logotype

    4.5 1 review
    $10,000+
    $25 - $49 / hr
    250 - 999
    Bellevue, WA

    Services provided

    10% Custom Software Development
    10% AI Development
    10% Blockchain +7 services
    10% Cybersecurity
    10% Digital Engineering
    10% IT Managed Services
    10% IT Strategy Consulting
    10% IoT Development
    10% Robotics Process Automation
    10% UX/UI Design

    Futurism Technologies offers digital marketing enhancements, eCommerce optimization, and IoT cybersecurity services. Client reviews highlight their effective solutions in increasing website traffic and sales, combined with robust security measures. Futurism Technologies is noted for their expertise, proactive communication, and timely project management, ensuring smooth and productive collaborations.

    See all 1 projects

    Bellevue, WA

    1400 112th Avenue Southeast
    Bellevue, WA 98004

    201 - 250

    See All Locations (3)
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  • Infogentech Logotype

    5.0 1 review
    Undisclosed
    Undisclosed
    10 - 49
    Lynnwood, WA

    Services provided

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

    Infogentech specializes in digital solutions, including website design, SEO, and PPC campaigns, aimed at enhancing businesses' online presence. Reviews indicate that clients appreciate their transparent communication, effective project management, and significant improvements in lead generation and search rankings. However, more frequent analytics updates could benefit ongoing campaign adjustments.

    See all 1 projects

    Lynnwood, WA

    6124 200th Street Southwest
    Lynnwood, WA 98036

    10 - 15

    See All Locations (2)
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  • Quadrant Resource LLC Logotype

    Not yet reviewed

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

    Services provided

    10% Custom Software Development
    45% IT Strategy Consulting
    25% IT Managed Services +1 service
    20% Cloud Consulting & SI

    Quadrant Resource LLC is an IT strategy consulting company. Established in 2004, the team focuses on IT strategy consulting and IT managed services. The agency is located in Redmond, Washington.

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  • Null Unit Logotype

    Not yet reviewed

    $10,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% UX/UI Design
    15% Business Consulting +6 services
    10% Financial Consulting
    5% AR/VR Development
    5% Enterprise App Modernization
    5% Other Application Development
    5% Web Design
    5% Web Development

    Null Unit, a custom software development firm, was established in 2017. The agency specializes in Custom Software Development and UX/UI Design, and is small.

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  • Rooster Park Consulting Logotype

    Not yet reviewed

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

    Services provided

    70% Custom Software Development
    30% IT Staff Augmentation

    Located in Seattle, Washington, Rooster Park Consulting is a software development firm. They focus on Custom Software Development and IT staff augmentation and were founded in 2008.

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  • LabKey Logotype

    Not yet reviewed

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

    Services provided

    70% Custom Software Development
    30% Cloud Consulting & SI

    LabKey is a small software development company located in Seattle, Washington and San Diego, California. The team offers Custom Software Development and cloud consulting & SI.

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  • Jetstream Software, Inc. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Kirkland, WA

    Services provided

    80% Custom Software Development
    10% AR/VR Development
    10% Web Design

    Jetstream Software, Inc., a software development company, provides Custom Software Development and AR/VR development. The agency is located in Kirkland, Washington.

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  • Dev9 Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    50 - 249
    Kirkland, WA

    Services provided

    90% Custom Software Development
    10% IT Managed Services

    Dev9 is a custom software development company. The team is headquartered in Kirkland, Washington, and their services include Custom Software Development and IT managed services.

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  • F5 Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% AI Development
    20% Cloud Consulting & SI +4 services
    10% Digital Strategy
    10% ECM Consulting and SI
    10% IT Managed Services
    10% Public Relations

    Cloud consulting & SI company F5 was established in 1996. The team specializes in cloud consulting & SI and Custom Software Development and is in Seattle, Washington and Billerica, Massachusetts.

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  • Chaos Theory Studios Logotype

    Not yet reviewed

    $100,000+
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% AI Development
    20% AR/VR Development +3 services
    15% Product Design
    15% UX/UI Design
    10% IoT Development

    Chaos Theory Studios is a digital solutions agency that failed to meet the project needs of a ticketing company. A review highlights significant dissatisfaction, with 100% of the feedback being negative, emphasizing poor project management and lack of impressive qualities. The reviewer would not recommend working with Chaos Theory Studios.

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  • Octoon Technologies Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% BI & Big Data Consulting & SI
    20% Digital Strategy +2 services
    20% Social Media Marketing
    20% Web Development

    Octoon Technologies is a Seattle, Washington-based Digital Strategy company. The team offers Digital Strategy and Social Media Marketing.

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  • Redapt Logotype

    Not yet reviewed

    $50,000+
    $150 - $199 / hr
    50 - 249
    Woodinville, WA

    Services provided

    10% Custom Software Development
    20% Cloud Consulting & SI
    20% Enterprise App Modernization +5 services
    10% AI Development
    10% BI & Big Data Consulting & SI
    10% IT Managed Services
    10% Low/No Code Development
    10% Web Design

    Established in 1996, Redapt is a cloud consulting & SI company. The agency focuses on cloud consulting & SI and BI & big data consulting & SI, and is midsize.

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    View Profile
  • Dark Matter Digital Logotype

    Not yet reviewed

    $5,000+
    $150 - $199 / hr
    2 - 9
    Seattle, WA

    Services provided

    25% Custom Software Development
    25% Digital Strategy
    25% IT Strategy Consulting +1 service
    25% UX/UI Design

    Founded in 2019, Dark Matter Digital is a Digital Strategy company. Their services include Digital Strategy and UX/UI Design.

    Read more
    View Profile
  • Autonomicsoft Solutions LLC Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Bothell, WA

    Services provided

    25% Custom Software Development
    50% Application Testing
    25% ERP Consulting and SI

    Small Application Testing company Autonomicsoft Solutions LLC, is located in Bothell, Washington. Their services include Application Testing and ERP consulting and SI.

    Read more
    View Profile
  • Webtual Global Inc. Logotype

    Not yet reviewed

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

    Services provided

    15% Custom Software Development
    25% Enterprise App Modernization
    15% Mobile App Development +6 services
    15% Web Development
    10% Low/No Code Development
    5% Application Management & Support
    5% Cloud Consulting & SI
    5% IT Strategy Consulting
    5% Other Application Development

    Webtual Global Inc., a custom software development company, was founded in 2019. The company offers Custom Software Development and Enterprise App Modernization.

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    Redmond, WA

    185th Avenue Northeast
    Redmond, WA 98052

    2 - 5

    8799313219

    See All Locations (6)
    View Profile
  • Meydenbauer Partners Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% Back Office Outsourcing
    20% CRM Consulting and SI +2 services
    20% IT Staff Augmentation
    20% IT Strategy Consulting

    Meydenbauer Partners, an IT strategy consulting company, is based in Kirkland, Washington. They specialize in IT strategy consulting and CRM consulting and SI.

    Read more
    View Profile
  • Hawk Tech Universe Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% IT Strategy Consulting
    20% Mobile App Development +2 services
    20% UX/UI Design
    20% Web Development

    UX design company Hawk Tech Universe is located in Seattle, Washington. They focus on UX/UI Design and IT strategy consulting and were founded in 2024.

    Read more
    View Profile
  • Actus Consulting Group Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    50% Custom Software Development
    50% CRM Consulting and SI

    Actus Consulting Group is a small Seattle, Washington-based CRM consulting and SI and custom software development company. Their services include CRM consulting and SI and Custom Software

    Read more
    View Profile
  • Heliopath Labs Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% IoT Development
    20% Video Production +8 services
    5% Business Consulting
    5% ERP Consulting and SI
    5% Market Research
    5% Mobile App Development
    5% Other Application Development
    5% Product Design
    5% UX/UI Design
    5% Wearable App Development

    Heliopath Labs is a video production company. The Seattle, Washington-based firm was launched in 2020. Their services include Video Production and Custom Software Development.

    Read more
    View Profile
  • Techufy Inc Logotype

    Not yet reviewed

    $10,000+
    $50 - $99 / hr
    2 - 9
    Bellevue, WA

    Services provided

    20% Custom Software Development
    20% Enterprise App Modernization
    20% IoT Development +3 services
    20% Product Design
    10% API Development
    10% Microservices Architecture Services

    Techufy Inc is a Bellevue, Washington-based Product Design company. They provide Product Design and Custom Software Development.

    Read more
    View Profile
  • v37 Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    20% Enterprise App Modernization
    20% Web Development +3 services
    15% E-Commerce Development
    15% Mobile App Development
    10% Blockchain

    V37 is a custom software development company located in Seattle, Washington. Launched in 2022, the team specializes in Custom Software Development and Web Development.

    Read more
    View Profile
  • Bookable Retail Logotype

    Not yet reviewed

    $1,000+
    Undisclosed
    2 - 9
    Seattle, WA

    Services provided

    20% Custom Software Development
    30% Web Development
    20% UX/UI Design +2 services
    20% Web Design
    10% Digital Strategy

    Bookable Retail is a Seattle, Washington-based web development firm. Founded in 2022, the team provides Web Development and Web Design.

    Read more
    View Profile
  • 3rd Interval Logotype

    Not yet reviewed

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

    Services provided

    20% Custom Software Development
    20% AI Consulting
    20% API Development +2 services
    20% E-Commerce Development
    20% Web Development

    AI Consulting company 3rd Interval is in Seattle, Washington. The team provides AI Consulting and Custom Software Development.

    Read more
    View Profile
  • Merito Solutions, Inc Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Bellevue, WA

    Services provided

    40% Custom Software Development
    30% Application Testing
    30% Robotics Process Automation

    Merito Solutions, Inc, a software development company, was established in 2013. Located in Bellevue, Washington, the team offers Custom Software Development and Application Testing.

    Read more
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Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.

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We evaluate service providers using a structured methodology that combines:

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This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.

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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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