Top Software Developers in Seattle
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Featured
What are Featured Providers?
$10,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
See all 14 projectsKingsmen Digital Ventures is a distinguished firm specializing in Custom Software Development, offering services across tailored, bespoke, and full-stack software development. The company consistently receives high praise, with approximately 100% of reviewers highlighting their competence, timely delivery, and high-quality output. Clients commend their expertise in managing complex projects, enhancing business efficiency, and providing innovative, end-to-end software solutions.
$25,000+$25 - $49 / hr1,000 - 9,999Serves Seattle, WAServices provided
See all 89 projectsSimform is a custom software development firm specializing in tailored and end-to-end software engineering solutions. The company consistently receives positive feedback for its collaborative project management, high-quality deliverables, and technical expertise, with 100% of reviewers praising its responsiveness and adaptability. Notably, clients appreciate Simform's ability to align with their long-term objectives and its commitment to delivering projects on time and within budget.
$10,000+$50 - $99 / hr50 - 249Serves Seattle, WAServices provided
See all 83 projectsDesignli is a custom software development company specializing in bespoke software creation and full-stack software development. The majority of reviews, approximately 98%, highlight their exceptional communication skills, proactive project management, and ability to transform ideas into tangible, functioning prototypes. Clients frequently commend their ability to deliver solutions on time and within budget, emphasizing their responsiveness and commitment to client satisfaction.
$25,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
See all 22 projectsTwin Sun is a Custom Software Creation company specializing in bespoke and full-stack software development services. Known for exceptional project management and communication, 100% of reviewers expressed satisfaction with their timelines and transparency. Impressively, 95% of clients highlighted successful project outcomes, emphasizing the company's technical expertise and ability to deliver high ROI solutions within budget.
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$1,000+$150 - $199 / hr2 - 9Seattle, WA
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Product Marketing company ProductColab was established in 2023. The team specializes in Product Marketing and Content Marketing and is in Seattle, Washington.
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$5,000+$50 - $99 / hr10 - 49Marysville, WA
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See all 6 projectsHybrid Mediaworks specializes in Bespoke Software Development, providing tailored software solutions such as custom app development and CS Dev. Their reviews highlight exceptional responsiveness, effective project management, and a strong ability to adapt and innovate. Clients appreciate their ability to transform complex ideas into user-friendly applications, resulting in high satisfaction and successful outcomes.
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Featured
What are Featured Providers?
$50,000+$50 - $99 / hr1,000 - 9,999Serves Seattle, WAServices provided
See all 103 projectsVention is a custom software development company specializing in bespoke software creation and end-to-end software development solutions. The company receives highly positive feedback, with over 95% of reviews highlighting their excellent project management, communication, and ability to integrate seamlessly with client teams. Reviewers frequently mention Vention's impressive talent pool and their responsiveness to evolving project needs.
$50,000+$25 - $49 / hr250 - 999Serves Seattle, WAServices provided
See all 38 projectsDreamix specializes in tailored software development, offering bespoke software creation and managed software development services. With 100% positive feedback, clients frequently praise their professionalism, on-time delivery, and ability to exceed expectations. Approximately 90% of reviewers highlight Dreamix's strong cultural fit and exceptional communication, making them a reliable partner for end-to-end software development projects.
$10,000+$25 - $49 / hr250 - 999Serves Seattle, WAServices provided
See all 152 projectsEmpat is a software development company specializing in tailored software development, with a focus on custom software creation and managed software development. Reviews indicate positive feedback, with clients praising their technical expertise, project management, and the ability to deliver scalable, high-quality solutions on time. Approximately 90% of reviews highlight Empat's strong communication and proactive problem-solving approach.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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Leszynski Group, Inc. Is a cloud consulting & SI company. Launched in 1990, the team specializes in cloud consulting & SI and Business Consulting.
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UndisclosedUndisclosed10 - 49Seattle, WA
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Cloud consulting & SI company Marici Technology Solutions provides cloud consulting & SI and ECM consulting and SI. They are headquartered in Seattle, Washington.
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UndisclosedUndisclosed10 - 49Seattle, WA
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Solid State Pros is a branding firm. They offer Branding and Web Design and were established in 2014. The firm is based in Seattle, Washington.
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UndisclosedUndisclosed10 - 49Bothell, WA
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IT strategy consulting company Innovative Edge TCS is in Bothell, Washington. Founded in 2015, the team focuses on IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed50 - 249Bellevue, WA
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Mavensoft Technologies is an IT strategy consulting company. The Alpharetta, Georgia-based team focuses on IT strategy consulting and cloud consulting & SI.
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Featured
What are Featured Providers?
$25,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
See all 23 projectsIron Forge Development is a custom software creation company specializing in tailored software development and full stack software engineering. Reviews indicate a high level of satisfaction with over 85% of feedback being positive, highlighting their flexible project management, ability to deliver complex solutions, and strong communication. A recurring theme is their adaptability and strategic thinking, though some feedback noted areas for improvement in timeline management.
$50,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
See all 16 projectsMetaProject is a custom software development company specializing in tailored and bespoke software solutions, with a strong focus on full-cycle and end-to-end software development. Across reviews, 100% of clients praised their technical expertise and business-first mindset. The company consistently delivers projects on time, with 100% of reviews highlighting their excellent project management and responsiveness, making them a reliable partner for complex software projects.
$5,000+$25 - $49 / hr250 - 999Serves Seattle, WAServices provided
See all 6 projectsAress Software is a Custom Software Creation company specializing in tailored software development and end-to-end solutions. Reviews highlight their expertise in software engineering, with 100% positive feedback commending their agile project management, strategic partnership approach, and technical acumen. Notably, 75% of reviews emphasized their proactive and communicative team culture, contributing to significant performance improvements for clients.
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UndisclosedUndisclosed50 - 249Newcastle, WA
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Vidyatech is a midsize Cybersecurity company located in Vancouver, Canada and Newcastle, Washington. The team offers Cybersecurity and cloud consulting & SI.
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$1,000+$100 - $149 / hr2 - 9Maple Valley, WA
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Launched in 2026, Fourth Crossing Systems, a small software development company, is headquartered in Maple Valley, Washington. Their team provides Custom Software Development and Web Development.
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Featured
What are Featured Providers?
$25,000+$50 - $99 / hr250 - 999Serves Seattle, WAServices provided
See all 51 projectsFuture Processing is a custom software development company specializing in bespoke software creation and full-stack software development. Reviews highlight their exceptional adaptability to clients’ needs, proactive project management, and high-quality deliverables, with approximately 85% of feedback being positive. Clients consistently praise their technical proficiency, cultural fit, and ability to integrate seamlessly with internal teams.
$10,000+$50 - $99 / hr50 - 249Serves Seattle, WAServices provided
See all 57 projectsRubyroid Labs is a bespoke software development company that excels in customized software creation, particularly using Ruby on Rails. With a 100% positive feedback rate across client reviews, they are praised for their technical expertise, proactive communication, and reliable project management. Approximately 80% of reviewers highlight their ability to deliver tailored solutions on time and within budget.
$10,000+$25 - $49 / hr10 - 49Serves Seattle, WAServices provided
See all 34 projectsOlearis is a Custom Software Development company specializing in tailored software solutions, including full stack and mobile application development across various platforms. With approximately 83% of reviews highlighting their professionalism, timely delivery, and strong technical skills, clients appreciate their proactive communication and partnership approach. However, a minority of feedback (17%) points to challenges in design adherence and project management.
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UndisclosedUndisclosed2 - 9Seattle, WA
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Dynamo Plus is a Business Consulting company launched in 2013. The company offers Business Consulting and Marketing Strategy, and is small.
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UndisclosedUndisclosed10 - 49Sammamish, WA
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InSynchro Group of Companies is a small Sammamish, Washington-based IT staff augmentation company. The team offers IT staff augmentation and Custom Software Development.
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Featured
What are Featured Providers?
$25,000+$50 - $99 / hr10 - 49Serves Seattle, WAServices provided
See all 41 projectsCalibrate Software is a Custom Software Development company known for its end-to-end software development services, including tailored software development and custom software creation. Across various reviews, clients consistently praise Calibrate Software for their professionalism, responsiveness, and ability to meet timelines, with approximately 100% of reviewers highlighting their strong project management and excellent communication.
$25,000+$25 - $49 / hr10 - 49Serves Seattle, WAServices provided
See all 11 projectsCodeBranch is a custom software development company specializing in bespoke software development, full-stack solutions, and project management. They consistently receive positive feedback for their responsiveness, effective communication, and alignment with client values. Approximately 90% of reviews highlight their ability to deliver projects on time and tailor solutions to specific client needs. Clients commend their proactive approach and integration as true business partners rather than just service providers.
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UndisclosedUndisclosed10 - 49Seattle, WA
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Established in 2011, Spiderbox Design is a social media marketing company. The firm offers Social Media Marketing and Web Design.
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$10,000+$100 - $149 / hr2 - 9Kirkland, WA
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Clocktower Media is a custom software development company. Launched in 1999, the agency is in Kirkland, Washington. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Gig Harbor, WA
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Ataira is a business intelligence company. Located in Gig Harbor, Washington, the company specializes in BI & big data consulting & SI and cloud consulting & SI.
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Undisclosed$25 - $49 / hr2 - 9Parkland, WA
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Elevate Digital is a small software development company. Founded in 2025, the team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Tacoma, WA
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Prime Consulting Inc is an Email Marketing company. Based in Tacoma, Washington, their small team focuses on Email Marketing and cloud consulting & SI. The firm was established in 2015.
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UndisclosedUndisclosed10 - 49Tacoma, WA
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Business intelligence company NETWORG is headquartered in Warsaw, North Carolina and Tacoma, Washington. They offer BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Lakewood, WA
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Custom software development company Rev Consulting LLC was founded in 2011. The firm offers Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Federal Way, WA
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Karma Consulting, Inc. Is an UX design agency. They are in Federal Way, Washington. Their team provides UX/UI Design and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Lake Stevens, WA
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Custom Websites by Webvisuals, a software development company, was launched in 2002. The team provides Custom Software Development and Branding.
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UndisclosedUndisclosedFreelancerEverett, WA
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Mystic Engineering / Mystic Industries is a small Product Design company located in Everett, Washington. Their services include Product Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Kent, WA
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Vibotek LLC is a Kent, Washington-based IT strategy consulting company. The team focuses on IT strategy consulting and Application Testing.
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$10,000+$100 - $149 / hr10 - 49Bellevue, WA
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See all 1 projectsSeattle Software Developers is a UX/UI design company known for improving user experiences and interfaces. The reviews highlight their ability to decrease customer support requests by 25% and increase user engagement by 30%. Most reviewers commend their user-centered design approach and project management, with a suggestion for more collaborative brainstorming sessions. Overall, feedback is overwhelmingly positive.
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UndisclosedUndisclosed2 - 9Olympia, WA
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Triceratops Technology Resources is a small IT strategy consulting company. They focus on IT strategy consulting and BI & big data consulting & SI and were launched in 2018.
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$5,000+$100 - $149 / hrFreelancerSeattle, WA
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On The Brink Designs, a small web design agency, is in Seattle, Washington. The team provides Web Design and IT strategy consulting.
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UndisclosedUndisclosed2 - 9Seattle, WA
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MyWorks Design is a web design company. Headquartered in Fort Worth, Texas and Seattle, Washington, the agency was founded in 2010. Their services include Web Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Tacoma, WA
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Pi Development, a software development company, is in Tacoma, Washington. Launched in 2013, the team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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Abasys Technologies Inc is a software development firm. Located in Bellevue, Washington, the firm was founded in 1987. Their services include Custom Software Development and Blockchain.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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SSIR Solutions, a software development firm, was established in 2022. The team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Olympia, WA
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Paragon Works is a web design agency. They specialize in Web Design and Custom Software Development and are in Olympia, Washington.
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UndisclosedUndisclosed2 - 9Redmond, WA
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Yoctocode, LLC is a Redmond, Washington-based software development company. Established in 2015, the team offers Custom Software Development and UX/UI Design.
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UndisclosedUndisclosedFreelancerTacoma, WA
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Established in 2001, Matthew Fleming Inc. Is a small Tacoma, Washington-based software development company. Their team specializes in Custom Software Development and E-Commerce Development.
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List of the Top 15 Seattle Custom Software Development Companies
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$50,000+$50 - $99 / hr250 - 999Seattle, WA
Ability to deliver
34.1/40.019.8/20 Reviews9.1/10 Clients & Experience5.2/10 Market PresenceService focus
70% Custom Software Development30% Other -
$10,000+$150 - $199 / hr250 - 999Kent, WA
Ability to deliver
31.4/40.020/20 Reviews6.2/10 Clients & Experience5.1/10 Market PresenceService focus
30% Custom Software Development70% Other -
$1,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
29.6/40.020/20 Reviews5.4/10 Clients & Experience4.2/10 Market PresenceService focus
40% Custom Software Development60% Other -
$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
32.6/40.018.6/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% Custom Software Development70% Other -
$50,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
28.7/40.016.2/20 Reviews9.5/10 Clients & Experience3/10 Market PresenceService focus
60% Custom Software Development40% Other -
$50,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
34.6/40.018.2/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
34.6/40.020/20 Reviews8/10 Clients & Experience6.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$100 - $149 / hr250 - 999Bellevue, WA
Ability to deliver
28.2/40.015.8/20 Reviews7.3/10 Clients & Experience5.1/10 Market PresenceService focus
35% Custom Software Development65% Other -
$10,000+$150 - $199 / hr10 - 49Medina, WA
Ability to deliver
32.7/40.017.2/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
31.4/40.017.4/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
20% Custom Software Development80% Other -
$10,000+$150 - $199 / hr10,000+Bellevue, WA
Ability to deliver
29.4/40.015.2/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$100 - $149 / hr2 - 9Seattle, WA
Ability to deliver
30.1/40.016.4/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
30% Custom Software Development70% Other -
$25,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
32.3/40.017.8/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
10% Custom Software Development90% Other -
$5,000+$50 - $99 / hr250 - 999Kirkland, WA
Ability to deliver
30.6/40.017/20 Reviews9.4/10 Clients & Experience4.2/10 Market PresenceService focus
10% Custom Software Development90% Other -
$1,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
31.5/40.018.8/20 Reviews9.3/10 Clients & Experience3.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr10 - 49Seattle, WA
Ability to deliver
30.4/40.016.2/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
15% Custom Software Development85% Other -
$25,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
27.6/40.017.8/20 Reviews6.1/10 Clients & Experience3.7/10 Market PresenceService focus
25% Custom Software Development75% Other -
$25,000+$100 - $149 / hr2 - 9Edmonds, WA
Ability to deliver
30.4/40.016/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
15% Custom Software Development85% Other -
$5,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
29.8/40.016.6/20 Reviews9.5/10 Clients & Experience3.7/10 Market PresenceService focus
10% Custom Software Development90% Other -
UndisclosedUndisclosed50 - 249Seattle, WA
Ability to deliver
28.6/40.016.2/20 Reviews8/10 Clients & Experience4.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$50 - $99 / hr50 - 249Kirkland, WA
Ability to deliver
28.5/40.015.8/20 Reviews8.6/10 Clients & Experience4.1/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr2 - 9Seattle, WA
Ability to deliver
22.5/40.016.2/20 Reviews2.4/10 Clients & Experience3.9/10 Market PresenceService focus
65% Custom Software Development35% Other -
$10,000+$200 - $300 / hr2 - 9Seattle, WA
Ability to deliver
28.5/40.016.4/20 Reviews9.1/10 Clients & Experience3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$25 - $49 / hr50 - 249Bellevue, WA
Ability to deliver
23.3/40.016.2/20 Reviews3.1/10 Clients & Experience4/10 Market PresenceService focus
25% Custom Software Development75% Other -
$10,000+$25 - $49 / hr10 - 49Lynnwood, WA
Ability to deliver
25/40.017.8/20 Reviews3.7/10 Clients & Experience3.4/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
21.7/40.015.4/20 Reviews1.9/10 Clients & Experience4.4/10 Market PresenceService focus
30% Custom Software Development70% Other -
$50,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
24.1/40.016.8/20 Reviews3.8/10 Clients & Experience3.4/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$25 - $49 / hr10 - 49Bellevue, WA
Ability to deliver
23.2/40.016.2/20 Reviews3.5/10 Clients & Experience3.4/10 Market PresenceService focus
20% Custom Software Development80% Other -
$10,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
21.2/40.016.8/20 Reviews0/10 Clients & Experience4.4/10 Market PresenceService focus
30% Custom Software Development70% Other -
$1,000+$100 - $149 / hr250 - 999Bellevue, WA
Ability to deliver
19.6/40.016.2/20 Reviews0/10 Clients & Experience3.4/10 Market PresenceService focus
20% Custom Software Development80% Other
Latest Software Developers Articles
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Why Searching for a Specialized Dev Agency Takes Longer Than It Should — And What to Do About It
Looking for a niche software development agency? Learn how to define your requirements, find specialized providers, and vet their experience.
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.