# Top Software Developers in Seattle

Highly reviewed Software Developers companies in Seattle include Bilberrry, Sembit, Jelvix, CompassMSP, Flower Press Interactive, Culture Foundry, ThirstySprout, UpTop, Tecla, NTSprint LLC.

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.
Global directory: 
Top Software Development Companies
Nearby tech hubs: 
Portland Software Developers | San Francisco Software Developers
Industry filter: Seattle Healthcare Software Development Agencies

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## List of the Best Top Software Developers in Seattle

Ratings Updated: Jul 23, 2026


### [Bilberrry](https://clutch.co/profile/bilberrry)
#### 5 out of 5 star rating (35 reviews)
- $25,000+ minimum project size
- $50 - $99 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% API Development
- 50% Custom Software Development
- 20% IT Staff Augmentation
- 10% Web Design
- 10% Web Development

#### Company description
Bilberrry is a bespoke software development company that excels in end-to-end software creation, with a focus on tailored solutions that integrate strategic planning and technical depth. Reviews highlight their strong project management, responsiveness, and ability to deliver on time, with 100% of clients expressing satisfaction with their expertise and collaborative approach. They are praised for their strategic partnership, delivering projects that align with business goals.
[Visit Website](https://bilberrry.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=custom-software-developers-seattle)


---

### [Sembit](https://clutch.co/profile/sembit)
#### 4.9 out of 5 star rating (32 reviews)
- $5,000+ minimum project size
- $150 - $199 average hourly rate
- 10 - 49 employees
- Portland, OR

#### Services Provided - Allocation of Expertise by Percentage
- 10% Custom Software Development
- 10% IT Managed Services
- 40% Mobile App Development
- 10% Web Design
- 30% Web Development

#### Company description
Sembit is a Custom Software Development company renowned for its tailored software solutions and end-to-end services. With a strong focus on communication and timely delivery, 100% of reviewers commend Sembit's responsiveness and ability to execute projects effectively. Clients particularly value Sembit's proactive project management and alignment with company values, highlighting their expertise in bespoke software development and full-stack solutions.
[Visit Website](https://www.sembit.com/Clutch/?utm_source=clutch&utm_medium=referral&utm_campaign=directory)


---

### [Jelvix](https://clutch.co/profile/jelvix)
#### 4.9 out of 5 star rating (42 reviews)
- $50,000+ minimum project size
- $50 - $99 average hourly rate
- 250 - 999 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 70% Custom Software Development
- 10% AI Development
- 10% Cloud Consulting & SI
- 10% Mobile App Development

#### Company description
Jelvix is a bespoke software development company known for its expertise in full-stack and end-to-end software engineering. Their reviews indicate an impressive customer satisfaction rate, with over 90% of clients praising their project management, technical expertise, and ability to meet deadlines. Consistent themes include efficient software integration, tailored solutions, and enhanced operational efficiencies across various industries.
[Visit Website](https://jelvix.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [CompassMSP](https://clutch.co/profile/compassmsp)
#### 4.9 out of 5 star rating (27 reviews)
- $10,000+ minimum project size
- $150 - $199 average hourly rate
- 250 - 999 employees
- Kent, WA

#### Services Provided - Allocation of Expertise by Percentage
- 30% Custom Software Development
- 40% IT Managed Services
- 30% Cybersecurity

#### Company description
CompassMSP is a Managed Software Development company providing comprehensive technical support such as troubleshooting, updates, and maintenance for various systems. Feedback highlights improved communication and safety measures, with 100% of reviewers noting timely project delivery and effective project management.
[Visit Website](https://www.compassmsp.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [Flower Press Interactive](https://clutch.co/profile/flower-press-interactive)
#### 4.9 out of 5 star rating (29 reviews)
- $10,000+ minimum project size
- $150 - $199 average hourly rate
- 10 - 49 employees
- Medina, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% UX/UI Design
- 20% Custom Software Development
- 10% AI Development
- 20% Mobile App Development
- 15% Web Design
- 15% Web Development

#### Company description
Flower Press Interactive is a bespoke software development company specializing in tailored software creation and full stack software development. Their reviews are overwhelmingly positive, with 100% of clients praising their effective communication and collaborative approach. Clients consistently highlight the team’s ability to enhance initial ideas and deliver user-friendly, high-quality solutions. The firm excels at adapting to client needs, with no significant areas for improvement noted.
[Visit Website](https://www.theflowerpress.net)


---

### [Culture Foundry](https://clutch.co/profile/culture-foundry)
#### 5 out of 5 star rating (15 reviews)
- $25,000+ minimum project size
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% Custom Software Development
- 5% Conversion Optimization
- 5% DevOps Managed Services
- 20% Digital Strategy
- 30% Web Design
- 30% Web Development

#### Company description
Culture Foundry is a bespoke software development company specializing in tailored software solutions with a focus on enhancing user experience and flexibility. Based on reviews, 100% of clients highlight their creativity and responsiveness, with a notable 28% increase in new registrations for a key client. They excel in delivering custom solutions on time, consistently aligning with client needs and industry-specific challenges.
[Visit Website](https://www.culturefoundry.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [ThirstySprout](https://clutch.co/profile/thirstysprout)
#### 5 out of 5 star rating (35 reviews)
- $50,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% Custom Software Development
- 10% AI Development
- 20% Generative AI
- 10% Low/No Code Development
- 10% Mobile App Development
- 10% Recruiting
- 20% IT Staff Augmentation
- 10% Web Development

#### Company description
ThirstySprout is renowned for its expertise in tailored software development, providing services that range from custom software creation to full-stack software development. The company has received overwhelmingly positive feedback, with all reviews highlighting their ability to deliver projects on time and exceed expectations. Approximately 100% of reviewers commend their team’s proactive communication, technical proficiency, and commitment to client success, making them a reliable partner in managed software development initiatives.
[Visit Website](https://www.thirstysprout.com/)


---

### [UpTop](https://clutch.co/profile/uptop)
#### 4.9 out of 5 star rating (15 reviews)
- $25,000+ minimum project size
- $150 - $199 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 70% UX/UI Design
- 15% Custom Software Development
- 15% Mobile App Development

#### Company description
UpTop is a custom software development company specializing in UI/UX design, frontend development, and mobile app creation, with a strong emphasis on bespoke and end-to-end software engineering. Overall, client reviews highlight UpTop's consistent project management, flexibility, and integration capabilities, with 100% of reviewers noting their impressive adaptability and collaborative approach.
[Visit Website](https://www.uptopcorp.com/?utm_source=Clutch&utm_medium=Listing&utm_campaign=Clutch%20Referral)


---

### [Tecla](https://clutch.co/profile/tecla)
#### 4.9 out of 5 star rating (21 reviews)
- $25,000+ minimum project size
- $25 - $49 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% Custom Software Development
- 50% IT Staff Augmentation
- 30% Staffing
- 10% Web Development

#### Company description
Tecla is a company specializing in tailored software development and software engineering, with a notable focus on providing competent resources for custom software creation and full stack software development. Reviewers consistently praise their efficient project management, alignment with client values, and effective staffing solutions, with 100% positive feedback on their ability to deliver projects on time and within budget.
[Visit Website](https://www.tecla.io/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [NTSprint LLC](https://clutch.co/profile/ntsprint)
#### 5 out of 5 star rating (7 reviews)
- $1,000+ minimum project size
- $25 - $49 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 5% AI Agents
- 10% UX/UI Design
- 20% Custom Software Development
- 10% Enterprise App Modernization
- 15% AI Development
- 5% Generative AI
- 10% Mobile App Development
- 15% IT Staff Augmentation
- 10% Web Development

#### Company description
NTSprint LLC is a Custom Software Development company that excels in delivering tailored software solutions. With a focus on Custom Software Creation and Full Stack Software Development, they have garnered positive feedback for their efficient project delivery and strong communication skills. Approximately 100% of reviewers commend their ability to manage projects effectively and deliver high-quality results, meeting deadlines consistently and enhancing client satisfaction.
[Visit Website](https://www.ntsprint.com?utm_source=clutch.co&utm_medium=referral)


---

### [Devblock / Db_studio](https://clutch.co/profile/devblock-dbstudio)
#### 4.9 out of 5 star rating (6 reviews)
- $25,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 25% AI Consulting
- 25% Custom Software Development
- 15% Mobile App Development
- 20% Product Design
- 15% Web Development

#### Company description
Devblock / Db_studio is a bespoke software development company specializing in custom and full-stack software creation. Reviewers consistently praise their high-quality work, reliability, and effective project management, with 100% of reviews indicating satisfaction with their communication and problem-solving skills. They have reduced customer support issues by 75% and significantly cut operational costs for clients.
[Visit Website](http://www.devblock.net?utm_source=clutch.co&utm_medium=referral)


---

### [New Normal](https://clutch.co/profile/new-normal)
#### 5 out of 5 star rating (5 reviews)
- $50,000+ minimum project size
- $100 - $149 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% UX/UI Design
- 20% Custom Software Development
- 5% Branding
- 40% Mobile App Development
- 5% Web Design
- 20% Web Development

#### Company description
New Normal is a bespoke software development company specializing in custom software creation and full stack software development. Across numerous reviews, 100% of clients commend their effective communication, timely delivery, and ability to adapt, highlighting their capacity for tailored software development and problem-solving. Their work ethic and responsiveness are consistently praised, with minor areas for improvement noted, such as clearer presentation of refactoring work.
[Visit Website](https://newnormal.agency)


---

### [SoftDoes](https://clutch.co/profile/softdoes)
#### 5 out of 5 star rating (26 reviews)
- $10,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% AI Consulting
- 10% UX/UI Design
- 10% Custom Software Development
- 10% Enterprise App Modernization
- 10% AI Development
- 10% Generative AI
- 10% IT Managed Services
- 10% Mobile App Development
- 10% Web Design
- 10% Web Development

#### Company description
SoftDoes is a Custom Software Development company specializing in tailored and full-stack software solutions to streamline complex operational workflows. Across reviews, SoftDoes consistently received positive feedback for its practical approach, cultural alignment, and cost-effective services, with over 90% of clients highlighting reduced manual processes and improved operational efficiency. Notable strengths include responsiveness, effective project management, and user-friendly custom systems that align with clients’ specific needs.
[Visit Website](https://softdoes.com/lp/clutch)


---

### [Affirma Consulting](https://clutch.co/profile/affirma-consulting)
#### 4.7 out of 5 star rating (13 reviews)
- $10,000+ minimum project size
- $100 - $149 average hourly rate
- 250 - 999 employees
- Bellevue, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% AI Consulting
- 35% Custom Software Development
- 15% Generative AI
- 15% Mobile App Development
- 15% Web Development

#### Company description
Affirma Consulting is a versatile IT consulting firm specializing in tailored software development and end-to-end solutions, including SharePoint development and custom software creation. Reviews highlight their adaptability, effective communication, and project management, with a 100% satisfaction rate and positive feedback on their ability to address client needs efficiently. Approximately 75% of reviewers commend their responsiveness and problem-solving skills.
[Visit Website](http://www.affirma.com/?ibp-adgroup=clutch&utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [Slashdev](https://clutch.co/profile/slashdev)
#### 5 out of 5 star rating (18 reviews)
- $5,000+ minimum project size
- $50 - $99 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 10% AI Development
- 10% Blockchain
- 10% E-Commerce Development
- 20% Mobile App Development
- 10% IT Staff Augmentation
- 20% Web Development

#### Company description
Slashdev is a Custom Software Creation company specializing in bespoke software development and offering full-stack software development services. The reviews indicate a 100% positive feedback rate, highlighting Slashdev's ability to deliver projects timely, provide skilled developers, and maintain excellent communication. Approximately 80% of reviewers praised their flexibility and quick recruitment process, while several noted competitive pricing and alignment with client values.
[Visit Website](https://slashdev.io)


---

### [Insight Global](https://clutch.co/profile/insight-global)
- $5,000+ minimum project size
- 1,000 - 9,999 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% Custom Software Development
- 10% AI Development
- 10% BI & Big Data Consulting & SI
- 10% Cloud Consulting & SI
- 10% Executive Search
- 10% Generative AI
- 10% IT Managed Services
- 10% Recruiting
- 10% Recruitment Process Outsourcing
- 10% Staffing

#### Company description
Launched in 2001, Insight Global is a large Atlanta, Georgia-based software development company. Their team specializes in Custom Software Development and Artificial Intelligence.
[Visit Website](https://insightglobal.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [Base Two](https://clutch.co/profile/base-two)
#### 5 out of 5 star rating (3 reviews)
- $25,000+ minimum project size
- $150 - $199 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% API Development
- 5% UX/UI Design
- 45% Custom Software Development
- 5% Application Management & Support
- 5% E-Commerce Development
- 10% Mobile App Development
- 5% Web Design
- 15% Web Development

#### Company description
Base Two is a versatile digital solutions company, offering services in creating HTML5 animated banners and developing robust e-commerce platforms. They maintain an impressive 100% satisfaction rate, with clients praising their innovation, project management, and technical expertise. Approximately 80% of reviewers commend their adaptability and continuous improvement in service delivery.
[Visit Website](https://www.base2.io/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [Janea Systems](https://clutch.co/profile/janea-systems)
- $50,000+ minimum project size
- $100 - $149 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 40% AI Development
- 20% BI & Big Data Consulting & SI
- 20% IoT Development

#### Company description
Janea Systems is an artificial intelligence company. Their team is located in Seattle, Washington. The firm provides Artificial Intelligence and BI & big data consulting & SI.
[Visit Website](https://www.janeasystems.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [ATOMICUS](https://clutch.co/profile/atomicus)
#### 5 out of 5 star rating (1 reviews)
- $50,000+ minimum project size
- $100 - $149 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 60% Custom Software Development
- 20% Other Application Development
- 20% Web Development

#### Company description
ATOMICUS is a bespoke software development company known for its expertise in scientific and research applications, particularly in physics and data visualization. Reviewers unanimously commend its ability to meet industry standards and deliver high-quality services promptly, noting the unique scientific expertise that distinguishes it from competitors.
[Visit Website](https://atomicus-software.com/)


---

### [Mobcoder](https://clutch.co/profile/mobcoder)
#### 4.9 out of 5 star rating (35 reviews)
- $25,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% UX/UI Design
- 10% Custom Software Development
- 15% AI Development
- 10% BI & Big Data Consulting & SI
- 10% DevOps Managed Services
- 10% IoT Development
- 10% Mobile App Development
- 15% IT Staff Augmentation
- 10% Web Development

#### Company description
Mobcoder is a Custom Software Development firm renowned for its end-to-end software engineering and bespoke software development services. Their reviews highlight a robust track record of delivering projects on time and exceeding client expectations, with 100% of reviewers noting their professional and dedicated project management. Although a few mentioned improvement in bug testing, the majority commend their flexibility and commitment to project success.
[Visit Website](https://mobcoder.com/hire-software-developer/?utm_source=clutch.co&utm_medium=referral)


---

### [Beyondsoft Consulting Inc.](https://clutch.co/profile/beyondsoft-consulting)
#### 4.7 out of 5 star rating (9 reviews)
- $10,000+ minimum project size
- $150 - $199 average hourly rate
- 10,000+ employees
- Bellevue, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% AI Agents
- 10% AI Consulting
- 10% Custom Software Development
- 10% Enterprise App Modernization
- 10% AI Development
- 10% BI & Big Data Consulting & SI
- 10% Cloud Consulting & SI
- 10% Generative AI
- 10% IT Strategy Consulting
- 5% Business Consulting
- 5% Web Design

#### Company description
Beyondsoft Consulting Inc. is a seasoned provider of bespoke software development and architecture design consultancy, specializing in tailored solutions like Adobe Experience Manager and AWS automation. Clients appreciate their deep technical expertise and open communication, with 100% of reviews noting impressive knowledge transfer and collaboration. While project management requires client engagement, Beyondsoft consistently delivers high-quality results, significantly reducing manual labor and enhancing client capabilities.
[Visit Website](http://www.beyondsoft.com/)


---

### [Lunarbyte.io](https://clutch.co/profile/lunarbyteio)
#### 5 out of 5 star rating (9 reviews)
- $25,000+ minimum project size
- $100 - $149 average hourly rate
- 2 - 9 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 30% Custom Software Development
- 30% Mobile App Development
- 40% Web Development

#### Company description
Lunarbyte.io is a bespoke software development company specializing in custom software creation and full-stack development. Their reviews reflect a high level of client satisfaction, with 100% positive feedback on their adaptability, communication, and project management. Clients appreciate their ability to integrate into existing teams and deliver scalable, efficient solutions tailored to specific business needs.
[Visit Website](http://www.lunarbyte.io/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [UKAD](https://clutch.co/profile/ukad)
#### 4.9 out of 5 star rating (36 reviews)
- $5,000+ minimum project size
- $50 - $99 average hourly rate
- 250 - 999 employees
- Kirkland, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% Custom Software Development
- 1% BI & Big Data Consulting & SI
- 5% DevOps Managed Services
- 15% E-Commerce Development
- 14% Low/No Code Development
- 5% Mobile App Development
- 40% IT Staff Augmentation
- 10% Web Development

#### Company description
UKAD is a bespoke software development company specializing in custom software creation and full-stack software development. Across numerous reviews, 100% of clients commend their technical expertise, seamless communication, and project management. Clients appreciate UKAD's ability to understand project needs profoundly, with 90% highlighting their collaborative and adaptive approach as a key strength, while consistently delivering high-quality solutions.
[Visit Website](https://www.ukad-group.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [Black Antelope](https://clutch.co/profile/black-antelope)
#### 4.9 out of 5 star rating (21 reviews)
- $25,000+ minimum project size
- $100 - $149 average hourly rate
- 2 - 9 employees
- Edmonds, WA

#### Services Provided - Allocation of Expertise by Percentage
- 15% UX/UI Design
- 15% Custom Software Development
- 15% E-Commerce Development
- 10% Low/No Code Development
- 10% Product Design
- 10% Web Design
- 25% Web Development

#### Company description
Black Antelope is a bespoke software development company praised for its high level of technical skill, personalized approach, and efficiency in project timelines. Around 75% of reviewers highlight the team's competence and exemplary communication. While feedback is overwhelmingly positive, with about 90% satisfaction, some suggest improved reporting on cost overruns.
[Visit Website](https://www.blackantelope.com/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [AccelOne](https://clutch.co/profile/accelone)
#### 4.9 out of 5 star rating (12 reviews)
- $10,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Kirkland, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% AI Consulting
- 10% Custom Software Development
- 15% AI Development
- 10% Blockchain
- 15% Generative AI
- 10% IT Managed Services
- 10% Mobile App Development
- 10% IT Staff Augmentation
- 10% Web Development

#### Company description
AccelOne is a custom software development company specializing in tailored software development and end-to-end software engineering solutions. The company consistently receives positive reviews, with clients highlighting their adaptability, commitment, and high-quality deliverables. Approximately 95% of the reviews commend AccelOne's seamless integration with client teams and their responsive communication, while 80% note their expertise in delivering complex projects on time and within budget.
[Visit Website](https://accelone.com/?utm_source=clutch.co&utm_medium=referral)


---

### [Innova](https://clutch.co/profile/innova-1)
#### 5 out of 5 star rating (11 reviews)
- $5,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% AI Consulting
- 10% Custom Software Development
- 10% AI Development
- 10% BI & Big Data Consulting & SI
- 10% Cloud Consulting & SI
- 10% IT Managed Services
- 10% Mobile App Development
- 10% Other Application Development
- 10% Application Testing
- 10% Web Development

#### Company description
Innova is a bespoke software development company offering tailored solutions, including end-to-end and full-stack software development. Across various reviews, 100% of clients commend Innova's technical expertise, timely delivery, and innovative problem-solving, with multiple reviewers highlighting their alignment with company values and budgetary constraints. Notably, they excel in integrating advanced functionalities and recovering significant client opportunities, with one client noting a 18–22% recovery of lost leads.
[Visit Website](https://www.innova-technology.com/)


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### [Smashing Ideas](https://clutch.co/profile/smashing-ideas)
#### 5 out of 5 star rating (1 reviews)
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% UX/UI Design
- 10% Custom Software Development
- 5% Enterprise App Modernization
- 5% AR/VR Development
- 5% Application Management & Support
- 15% IT Strategy Consulting
- 15% Mobile App Development
- 5% Application Testing
- 10% Web Design
- 10% Web Development

#### Company description
Smashing Ideas is a creative agency specializing in mobile app development and interactive experiences. Overall feedback from reviews is positive, with clients highlighting their strong ability to generate innovative yet feasible ideas and execute them effectively. Approximately 70% of reviewers emphasize their creativity and execution skills, although some note initial weaknesses in Android development that have shown improvement.
[Visit Website](http://smashingideas.com)


---

### [Northwest Independent Ruby Development](https://clutch.co/profile/northwest-independent-ruby-development)
#### 5 out of 5 star rating (1 reviews)
- $25,000+ minimum project size
- $150 - $199 average hourly rate
- 2 - 9 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 65% Custom Software Development
- 35% Web Development

#### Company description
Northwest Independent Ruby Development is a Seattle-based software development company specializing in Ruby on Rails and HIPAA-compliant programs. They have a strong reputation for addressing complex development issues, as evidenced by their work on the Linehan Suicide Safety Net project. Reviewers consistently highlight their effective project management and ability to communicate technical details clearly, with 100% positive feedback on their collaboration skills and problem-solving capabilities.
[Visit Website](https://www.nird.us)


---

### [Matey](https://clutch.co/profile/matey)
#### 5 out of 5 star rating (1 reviews)
- $10,000+ minimum project size
- $200 - $300 average hourly rate
- 2 - 9 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% UX/UI Design
- 10% Custom Software Development
- 10% Branding
- 20% Product Design
- 20% Web Design
- 20% Web Development

#### Company description
Matey is a user experience design company that excels in app development, user journey, and website design. The feedback highlights their ability to deliver projects on time with impressive detail, with 100% of reviewers mentioning their alignment with company values and vision. The company is praised for understanding end goals without imposing personal agendas.
[Visit Website](https://matey.co)


---

### [Virtuosity Consulting](https://clutch.co/profile/virtuosity-consulting)
#### 5 out of 5 star rating (1 reviews)
- $10,000+ minimum project size
- $25 - $49 average hourly rate
- 50 - 249 employees
- Bellevue, WA

#### Services Provided - Allocation of Expertise by Percentage
- 25% Custom Software Development
- 10% Enterprise App Modernization
- 10% BI & Big Data Consulting & SI
- 10% Blockchain
- 15% CRM Consulting and SI
- 20% IT Managed Services
- 10% Web Development

#### Company description
Virtuosity Consulting is a consultancy firm specializing in providing program managers and developers to streamline release processes for enterprises. The company receives overwhelmingly positive feedback, with clients highlighting their ownership of projects, flexibility, and seamless integration as an extension of the team. Nearly all reviewers emphasize their excellent service quality and adaptability to changing demands.
[Visit Website](https://www.virtuositycg.com)


---

### [Techlusion LLC](https://clutch.co/profile/techlusion)
#### 5 out of 5 star rating (7 reviews)
- $10,000+ minimum project size
- $25 - $49 average hourly rate
- 10 - 49 employees
- Lynnwood, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 40% AI Development
- 15% Cloud Consulting & SI
- 15% Mobile App Development
- 10% IT Staff Augmentation

#### Company description
Techlusion LLC is a custom software development company specializing in tailored software development solutions. Reviews highlight their effective project management and responsiveness, with 100% of clients noting their ability to deliver efficient and reliable software systems, enhancing business outcomes by 25%. The company receives uniformly positive feedback, with no areas for improvement noted by clients.
[Visit Website](https://techlusion.io/)


---

### [Elluminati](https://clutch.co/profile/elluminati)
#### 4.6 out of 5 star rating (25 reviews)
- $5,000+ minimum project size
- $25 - $49 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 30% Custom Software Development
- 70% Mobile App Development

#### Company description
Elluminati is a Custom Software Development company known for delivering tailored solutions across various industries. With a strong focus on professional project management and exceptional customer service, 100% of reviewers highlight their effective communication and timely delivery. Their expertise in full-stack software development ensures high-quality outputs, as noted by clients who appreciate their professionalism and value for cost.
[Visit Website](https://www.elluminatiinc.com)


---

### [Scalex Technology Solutions](https://clutch.co/profile/scalex-technology-solutions)
#### 5 out of 5 star rating (3 reviews)
- $5,000+ minimum project size
- $25 - $49 average hourly rate
- 10 - 49 employees
- Bellevue, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% API Development
- 20% Custom Software Development
- 20% Cloud Consulting & SI
- 10% Application Management & Support
- 20% Mobile App Development
- 10% Other Application Development
- 10% Web Development

#### Company description
Scalex Technology Solutions is a custom software development company specializing in tailored software development and software engineering. Reviews indicate a high level of satisfaction, with clients praising their professionalism, communication, and ability to deliver impactful solutions. Approximately 90% of reviewers highlight their effective project management and strong leadership, while a small percentage suggest improvements in project management resources.
[Visit Website](https://scalextech.com)


---

### [Room 8 Group](https://clutch.co/profile/room-8-group)
- 1,000 - 9,999 employees
- Kingston, WA

#### Services Provided - Allocation of Expertise by Percentage
- 15% UX/UI Design
- 20% Custom Software Development
- 15% Graphic Design
- 30% Mobile App Development
- 20% Application Testing

#### Company description
Room 8 Group, an app development firm, was founded in 2011. They specializes in Mobile App Development and Custom Software Development.
[Visit Website](https://room8group.com/?utm_source=clutch&utm_medium=review&utm_campaign=room8group_clutchreview)


---

### [Dura Digital](https://clutch.co/profile/dura-digital)
#### 5 out of 5 star rating (7 reviews)
- $10,000+ minimum project size
- $50 - $99 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 20% AI Development
- 20% IT Managed Services
- 20% IT Staff Augmentation
- 20% Web Development

#### Company description
Dura Digital is a versatile tech services company specializing in Webflow development, UX design, and digital platform solutions. Across multiple projects, they consistently deliver high-quality results on time and within budget, with 100% on-time delivery and excellent project management praised by clients. Notably, 80% of reviewers highlighted their ability to adapt to project changes and maintain effective communication.
[Visit Website](https://info.duradigital.com/company-profile?utm_campaign=8667317-Dura%20Digital%20Profile%20Page%20-%20Clutch&utm_source=Clutch)


---

### [Growth Natives](https://clutch.co/profile/growth-natives)
#### 4.6 out of 5 star rating (6 reviews)
- $5,000+ minimum project size
- $25 - $49 average hourly rate
- 50 - 249 employees
- Clyde Hill, WA

#### Services Provided - Allocation of Expertise by Percentage
- 15% Account-Based Marketing
- 10% AI Consulting
- 10% Custom Software Development
- 10% E-Commerce Development
- 10% Email Marketing
- 10% Fractional CMO Services
- 15% Search Engine Optimization
- 10% Web Design
- 10% Web Development

#### Company description
Growth Natives is a company specializing in bespoke and full-stack software development, with a focus on custom software creation and managed software development solutions. With positive feedback from 100% of reviewers, clients appreciate their consultative approach, swift communication, and creative problem-solving. Growth Natives consistently meet project expectations, though initially faced challenges with scope communication, later rectified.
[Visit Website](https://growthnatives.com/)


---

### [Neighborsoft.team](https://clutch.co/profile/neighborsoftteam)
#### 5 out of 5 star rating (1 reviews)
- $1,000+ minimum project size
- $100 - $149 average hourly rate
- 250 - 999 employees
- Bellevue, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 30% E-Commerce Development
- 20% Mobile App Development
- 10% Web Design
- 20% Web Development

#### Company description
Neighborsoft.team is a web development company specializing in creating digital platforms for investment firms. Their reviews highlight exceptional project management and a client-focused approach, with 100% positive feedback on their responsiveness and expertise. Clients appreciate their ability to simplify complex processes, demonstrating proficiency and patience throughout engagements.
[Visit Website](https://neighborsoft.team/?utm_source=clutch.co&utm_medium=referral)


---

### [Persistent Systems](https://clutch.co/profile/persistent-systems)
#### 4.5 out of 5 star rating (1 reviews)
- $25,000+ minimum project size
- $25 - $49 average hourly rate
- 10,000+ employees
- Bellevue, WA

#### Services Provided - Allocation of Expertise by Percentage
- 1% AI Consulting
- 10% Custom Software Development
- 2% Enterprise App Modernization
- 1% AR/VR Development
- 10% AI Development
- 10% BI & Big Data Consulting & SI
- 1% Blockchain
- 10% Cloud Consulting & SI
- 1% Application Management & Support
- 1% DevOps Managed Services
- 2% Digital Engineering
- 1% E-Commerce Development
- 10% Generative AI
- 5% IoT Development
- 2% IT Managed Services
- 10% Cybersecurity
- 10% Mobile App Development
- 1% Robotics Process Automation
- 1% Application Testing
- 1% Wearable App Development
- 10% Web Development

#### Company description
Persistent Systems is a company specializing in low-code process management tools, web service development, and database work, primarily for the insurance industry. The feedback from reviews is overwhelmingly positive, with commendations for their flexibility, communication, and project management skills. Approximately 100% of the feedback highlights their adaptability and commitment to client success.
[Visit Website](https://www.persistent.com/)


---

### [ITIRRA](https://clutch.co/profile/itirra)
#### 5 out of 5 star rating (1 reviews)
- $5,000+ minimum project size
- $50 - $99 average hourly rate
- 10 - 49 employees
- Kirkland, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% AI Consulting
- 30% Custom Software Development
- 25% AI Development
- 10% Cloud Consulting & SI
- 15% ERP Consulting and SI

#### Company description
ITIRRA is a custom software development company with a focus on tailored and end-to-end software development solutions. The company receives predominantly positive feedback, with 100% of reviewers highlighting their proactive approach, ability to challenge scopes, and adherence to deadlines. Clients appreciate their competitive pricing and their expertise in offering strategic insights for product improvement.
[Visit Website](https://itirra.com)


---

### [Ally](https://clutch.co/profile/ally-0-0)
#### 5 out of 5 star rating (3 reviews)
- $10,000+ minimum project size
- $150 - $199 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% UX/UI Design
- 20% Custom Software Development
- 20% Content Writing Services
- 20% Web Design
- 20% Web Development

#### Company description
Ally is a digital development company specializing in creating accessible and compliant websites. The overall feedback from their reviews is highly positive, with clients praising their flexibility, speed, and clear communication. Notably, 100% of reviewers commend Ally's reliability and ability to meet accessibility standards, while 33% mention their strong sense of partnership and cultural alignment.
[Visit Website](https://ally.co/)


---

### [AstrabitLLC](https://clutch.co/profile/astrabitllc)
#### 4.8 out of 5 star rating (4 reviews)
- $1,000+ minimum project size
- 10 - 49 employees
- Redmond, WA

#### Services Provided - Allocation of Expertise by Percentage
- 25% Custom Software Development
- 15% AI Development
- 10% Cloud Consulting & SI
- 5% DevOps Managed Services
- 10% Generative AI
- 15% Mobile App Development
- 20% Web Development

#### Company description
AstrabitLLC is a Custom Software Development company renowned for its strong technical depth and disciplined execution. Reviewers highlight their expertise in reverse engineering and modernizing legacy systems, with 100% positive feedback on their efficiency and ability to deliver scalable solutions. Clients appreciate their collaborative engagement and structured project management approach, although more proactive long-term recommendations could enhance their service.
[Visit Website](https://www.astrabitit.com?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory)


---

### [Five Quantum Bits](https://clutch.co/profile/five-quantum-bits-0)
#### 5 out of 5 star rating (2 reviews)
- $1,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 30% AI Development
- 45% Mobile App Development
- 5% Web Development

#### Company description
Five Quantum Bits is a bespoke software development company specializing in end-to-end SaaS platform creation. The overall feedback from their reviews is highly positive, with clients praising their clear communication, proactive approach, and effective project management. Approximately 90% of reviewers highlight their focus on scalable and secure software development solutions.
[Visit Website](https://fiveqb.com)


---

### [Helpful Human](https://clutch.co/profile/helpful-human)
#### 4.9 out of 5 star rating (6 reviews)
- $10,000+ minimum project size
- $150 - $199 average hourly rate
- 10 - 49 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% UX/UI Design
- 20% Custom Software Development
- 10% E-Commerce Development
- 20% Mobile App Development
- 5% Web Design
- 25% Web Development

#### Company description
Helpful Human is a versatile software engineering firm offering a range of services including bespoke software development and web development. With a strong emphasis on communication and flexibility, they have been praised for their technical expertise and efficient project management. Approximately 90% of reviewers highlight their responsiveness and ability to adapt to changing needs, while noting some challenges in filling senior-level roles.
[Visit Website](http://www.helpfulhuman.com)


---

### [HyperBeans](https://clutch.co/profile/hyperbeans)
#### 4.3 out of 5 star rating (2 reviews)
- $1,000+ minimum project size
- < $25 average hourly rate
- 10 - 49 employees
- Newcastle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 15% Custom Software Development
- 15% Enterprise App Modernization
- 5% Blockchain
- 10% E-Commerce Development
- 5% IoT Development
- 20% Mobile App Development
- 5% Other Application Development
- 5% Wearable App Development
- 20% Web Development

#### Company description
HyperBeans is a digital marketing firm specializing in pre- and post-launch strategies. Reviews highlight the company’s proactive approach and responsiveness, with 100% positive feedback on their ability to lead projects and communicate effectively. However, their stringent initial requirement processes may occasionally be seen as cumbersome.
[Visit Website](https://hyperbeans.com/?utm_source=clutch&utm_medium=B2B)


---

### [Codble](https://clutch.co/profile/codble)
#### 5 out of 5 star rating (1 reviews)
- $25,000+ minimum project size
- $25 - $49 average hourly rate
- 2 - 9 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 25% Custom Software Development
- 50% Mobile App Development
- 25% Web Design

#### Company description
Codble is a custom software development company specializing in tailored software development solutions. Reviewers consistently highlight the company's adept software engineering and project management skills, noting their responsiveness and dedication to client visions, with approximately 100% of feedback being positive. Codble is praised for its technical expertise, creating scalable platforms with robust functionality and seamless user experiences.
[Visit Website](https://codble.io/)


---

### [Stellar Elements](https://clutch.co/profile/stellar-elements)
#### 4.9 out of 5 star rating (44 reviews)
- 250 - 999 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% UX/UI Design
- 20% Custom Software Development
- 10% AR/VR Development
- 20% Mobile App Development
- 10% Web Design
- 20% Web Development

#### Company description
Stellar Elements specializes in Custom Software Development, offering tailored software solutions and full stack development services. Their reviews highlight a remarkable 100% satisfaction rate, emphasizing their exceptional project management and ability to surpass expectations. Approximately 80% of reviewers commend their ability to forge meaningful client relationships and deliver complex projects efficiently. With a focus on bespoke software development, they are highly recommended for their innovative and reliable services.
[Visit Website](https://www.stellarelements.com/)


---

### [Globant](https://clutch.co/profile/globant)
- $5,000+ minimum project size
- $25 - $49 average hourly rate
- 10,000+ employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 10% UX/UI Design
- 10% Custom Software Development
- 10% Content Marketing
- 10% Digital Strategy
- 10% Mobile App Development
- 10% Social Media Marketing
- 10% Web Design
- 30% Web Development

#### Company description
Globant is a large web development firm. They offer Web Development and Custom Software Development and were founded in 2003.
[Visit Website](http://www.globant.com)


---

### [Sandcastle Web Design and Development](https://clutch.co/profile/sandcastle-web-design-development-0-0)
- $5,000+ minimum project size
- $100 - $149 average hourly rate
- 2 - 9 employees
- Burien, WA

#### Services Provided - Allocation of Expertise by Percentage
- 20% Custom Software Development
- 20% E-Commerce Development
- 20% Mobile App Development
- 10% Search Engine Optimization
- 15% Web Design
- 15% Web Development

#### Company description
Sandcastle Web Design and Development is a software development company established in 1998. The team specializes in Custom Software Development and Mobile App Development.
[Visit Website](https://www.sandcastle-web.com/)


---

### [ConnectPOS](https://clutch.co/profile/connectpos)
- $1,000+ minimum project size
- $50 - $99 average hourly rate
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 80% Custom Software Development
- 20% Application Management & Support

#### Company description
ConnectPOS is a software development firm. They were founded in 2013 and specialize in Custom Software Development and Application Management & Support.
[Visit Website](https://www.connectpos.com/)


---

### [Carbon Five](https://clutch.co/profile/carbon-five)
- $100,000+ minimum project size
- 50 - 249 employees
- Seattle, WA

#### Services Provided - Allocation of Expertise by Percentage
- 25% Custom Software Development
- 5% Branding
- 25% Mobile App Development
- 20% Web Design
- 25% Web Development

#### Company description
Launched in 2000, Carbon Five is a custom software development company. Their team specializes in Custom Software Development and Mobile App Development.
[Visit Website](https://www.carbonfive.com)


---


#### Get personalized agency matches based on your project goals. [Find the right fit](https://project.clutch.co/project-brief?source=directory_slide_in_CTA&BPB_adoption_source=directory)

## Why Trust Clutch

At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.

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.

Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.

We evaluate service providers using a [structured methodology](https://clutch.co/methodology) that combines:

- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition

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.

Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.

We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.

Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.



## Top Software Development Agencies in Seattle



### What does a software development company in Seattle do?

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.


### Why hire a Seattle-based software development agency?

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.


### How much does it cost to hire a software development firm in Seattle?

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.


### Which industries do Seattle software firms serve?

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)


### How do I choose the right software agency in Seattle?

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.


### What are red flags when hiring a Seattle software firm?

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.