Top Software Developers in Seattle
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174 Companies
List of the Top Seattle Custom Software Development Companies
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Featured
What are Featured Providers?
$10,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
50% Custom Software Development40% Mobile App Development10% UX/UI DesignSee all 12 projectsKingsmen Digital Ventures is a bespoke software development company known for its expertise in custom, end-to-end software development solutions. Their reviews highlight a strong track record of delivering projects on time and exceeding client expectations, with 100% of reviewers commending their project management skills and responsiveness. Approximately 60% of reviewers appreciated their ability to tailor solutions to specific industry needs, further proving their commitment to quality and customer satisfaction.
$25,000+$25 - $49 / hr1,000 - 9,999Serves Seattle, WAServices provided
10% Custom Software Development20% AI Development20% Cloud Consulting & SI +5 services10% CRM Consulting and SI10% E-Commerce Development10% ERP Consulting and SI10% Enterprise App Modernization10% Mobile App DevelopmentSee all 84 projectsSimform is a custom software development company known for its end-to-end software engineering services, providing tailored solutions with expertise in full-stack development, including Python and JavaScript. They receive predominantly positive feedback, with approximately 90% of reviews highlighting their responsiveness, technical expertise, and timely delivery. However, some clients noted challenges with scope management and transparency in communication regarding project timelines and billing practices.
$10,000+$25 - $49 / hr250 - 999Serves Seattle, WAServices provided
20% Custom Software Development50% Mobile App Development20% AI Development +1 service10% Web DevelopmentSee all 147 projectsEmpat is a bespoke software development company specializing in tailored software solutions, full-stack software development, and end-to-end software engineering. Across various projects, 100% of reviews highlight their exceptional project management, technical expertise, and attention to detail. Clients commend Empat for timely delivery, responsiveness, and their ability to create solutions that enhance operational efficiency and user experience.
$25,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
10% Custom Software Development50% Mobile App Development30% AI Development +1 service10% IoT DevelopmentSee all 118 projectsTechAhead is a distinguished company specializing in Custom Software Development, offering solutions in mobile and web applications, CMS, and IoT firmware. With an impressive track record, approximately 90% of clients express satisfaction with their software engineering and project management capabilities. Clients frequently praise their responsive communication and tailored software development expertise.
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$5,000+$150 - $199 / hr10 - 49Kirkland, WA
Services provided
10% Custom Software Development20% Mobile App Development20% Web Development +5 services10% API Development10% AR/VR Development10% BI & Big Data Consulting & SI10% DevOps Managed Services10% UX/UI DesignFacet Digital, LLC is a website development firm founded in 2013. The small team offers Web Development and Mobile App Development.
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$1,000+$100 - $149 / hr2 - 9Seattle, WA
Services provided
10% Custom Software Development20% Web Design10% Business Consulting +8 services10% E-Commerce Development10% Logo10% Search Engine Optimization10% Web Development5% Content Marketing5% Digital Strategy5% Other Digital Marketing5% Packaging DesignIn Seattle, Washington, PNW Design Consulting is a web design agency. Launched in 2020, the team focuses on Web Design and Custom Software Development.
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Featured
What are Featured Providers?
$50,000+$50 - $99 / hr1,000 - 9,999Serves Seattle, WAServices provided
10% Custom Software Development10% AI Development10% Application Testing +7 services10% Blockchain10% Cloud Consulting & SI10% DevOps Managed Services10% Enterprise App Modernization10% IT Staff Augmentation10% Mobile App Development10% Web DevelopmentSee all 100 projectsVention is a bespoke software development company specializing in full-stack software development and managed software development services. Across various reviews, clients commend Vention for their seamless integration, prompt delivery, and strategic project management. Approximately 90% of reviews highlight their excellent communication and ability to act as an extension of their client's teams, reflecting a strong culture fit and reliable service delivery.
$50,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
20% Custom Software Development20% IT Staff Augmentation20% Web Design +3 services15% Cybersecurity15% Mobile App Development10% Cloud Consulting & SISee all 12 projectsElaniin is a Custom Software Development company recognized for its expertise in tailored software solutions and full-stack development. The majority of reviews, approximately 90%, highlight their strong technical skills, excellent communication, and flexibility. Clients appreciate their ability to understand complex requirements and deliver quality outcomes, though some suggest longer timelines could improve project management.
$25,000+$25 - $49 / hr50 - 249Serves Seattle, WAServices provided
70% Custom Software Development15% AI Consulting15% Web DevelopmentSee all 30 projectsWeSoftYou 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.
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$100,000+$100 - $149 / hr10 - 49Bellevue, WA
Services provided
10% Custom Software Development25% Cloud Consulting & SI20% BI & Big Data Consulting & SI +4 services15% IT Strategy Consulting10% AI Development10% ERP Consulting and SI10% IT Staff AugmentationVirtue Tech Inc is a cloud consulting & SI company. The firm is in Bellevue, Washington. Their services include cloud consulting & SI and BI & big data consulting & SI.
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$50,000+$150 - $199 / hr10 - 49Seattle, WA
Services provided
10% Custom Software Development15% AI Development15% AR/VR Development +6 services15% Generative AI10% IoT Development10% Low/No Code Development10% UX/UI Design10% Web Design5% AI ConsultingFounded in 2021, Chaos Theory Studios, LLC is an user experience agency. Their team provides UX/UI Design and Custom Software Development.
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$10,000+$25 - $49 / hr10 - 49Seattle, WA
Services provided
10% Custom Software Development70% Enterprise App Modernization10% Cloud Consulting & SI +1 service10% ERP Consulting and SIAmberteq is a small Enterprise App Modernization company. Founded in 2018, the team offers Enterprise App Modernization and cloud consulting & SI.
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UndisclosedUndisclosed250 - 999Seattle, WA
Services provided
20% Custom Software Development20% Mobile App Development20% UX/UI Design +3 services20% Web Development10% AR/VR Development10% Web DesignSee all 44 projectsStellar Elements is a bespoke software development company specializing in tailored software solutions across various industries. Their clients consistently praise their exceptional project management and deep understanding of client needs. With a 100% satisfaction rate, 33% of reviewers commend their ability to deliver complex projects efficiently and build lasting relationships.
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UndisclosedUndisclosed250 - 999Kirkland, WA
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20% Custom Software Development25% Robotics Process Automation20% Contract Manufacturing +2 services20% Logistics & Supply Chain Consulting15% IoT DevelopmentMotion Automation Intelligence is a Robotics Process Automation company. The Kirkland, Washington-based team focuses on Robotics Process Automation and Custom Software Development.
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Featured
What are Featured Providers?
$25,000+$150 - $199 / hr10 - 49Serves Seattle, WAServices provided
20% Custom Software Development10% AR/VR Development10% Blockchain +6 services10% ERP Consulting and SI10% Enterprise App Modernization10% IT Strategy Consulting10% Mobile App Development10% UX/UI Design10% Web DevelopmentSee all 19 projectsIron 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.
$25,000+$50 - $99 / hr250 - 999Serves Seattle, WAServices provided
35% Custom Software Development25% Cloud Consulting & SI10% AI Consulting +3 services10% AI Development10% BI & Big Data Consulting & SI10% Web DevelopmentSee all 51 projectsFuture Processing is a custom software development company specializing in tailored, end-to-end software development services. Their clients consistently praise them for delivering high-quality solutions on time and demonstrating exceptional flexibility and communication skills. Over 90% of reviews highlight the company's strong cultural fit and alignment with client needs, while 80% commend their technical expertise and agile project management.
$10,000+$50 - $99 / hr50 - 249Serves Seattle, WAServices provided
20% Custom Software Development20% IT Staff Augmentation15% Mobile App Development +3 services15% UX/UI Design15% Web Design15% Web DevelopmentSee all 55 projectsRubyroid Labs is a Custom Software Development company with a strong focus on tailored software and full-stack development. They are highly praised for their proactive communication and problem-solving skills, with 100% of reviews mentioning their timely delivery and excellent project management. Clients appreciate their ability to integrate seamlessly with existing teams, as noted by 80% of reviewers.
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UndisclosedUndisclosed250 - 999Bellevue, WA
Services provided
20% Custom Software Development20% API Development20% Cloud Consulting & SI +2 services20% Mobile App Development20% Robotics Process AutomationAuth0 by Okta is a cloud consulting & SI company. Their midsize team is based in Bellevue, Washington and provides cloud consulting & SI and Custom Software Development. The firm was founded in
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$5,000+$100 - $149 / hr50 - 249Seattle, WA
Services provided
10% Custom Software Development30% Mobile App Development20% UX/UI Design +3 services15% Mobile & App Marketing15% Product Design10% Search Engine OptimizationSee all 1 projectsQodeStar is a modern mobile app agency that helps businesses turn ideas into polished, high-performing digital products. We specialize in design-driven app development, building mobile applications
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Featured
What are Featured Providers?
$10,000+$25 - $49 / hr10 - 49Serves Seattle, WAServices provided
20% Custom Software Development35% Mobile App Development20% UX/UI Design +2 services15% IoT Development10% Web DevelopmentSee all 29 projectsOlearis is a custom software development company specializing in tailored software development and full-stack solutions. Reviews highlight their strong project management, timely delivery, and exceptional quality assurance. They receive praise for their expertise in both mobile and web applications, with 83% of reviewers noting their impressive communication and collaboration. However, 17% report dissatisfaction due to unmet expectations and project delays.
$25,000+$50 - $99 / hr10 - 49Serves Seattle, WAServices provided
15% Custom Software Development30% Mobile App Development30% Web Development +2 services15% UX/UI Design10% AI ConsultingSee all 37 projectsCalibrate 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.
$5,000+$50 - $99 / hr10 - 49Serves Seattle, WAServices provided
25% Custom Software Development30% Mobile App Development20% Web Development +2 services15% E-Commerce Development10% UX/UI DesignSee all 17 projectsSemaphore 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.
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UndisclosedUndisclosed50 - 249Redmond, WA
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30% Custom Software Development30% Application Testing20% Business Consulting +2 services10% IT Managed Services10% Web DesignFlexasoft is a software development company. The team provides Custom Software Development and Business Consulting and is located in Redmond, Washington.
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UndisclosedUndisclosed50 - 249Seattle, WA
Services provided
30% Custom Software Development35% Business Consulting35% CybersecuritySolluCIO Partners is a Cybersecurity company headquartered in Seattle, Washington. The team provides Cybersecurity and Business Consulting.
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Featured
What are Featured Providers?
$10,000+$50 - $99 / hr250 - 999Serves Seattle, WAServices provided
30% Custom Software Development10% Application Management & Support10% BI & Big Data Consulting & SI +6 services10% IT Managed Services10% IT Staff Augmentation10% Mobile App Development10% Web Development5% API Development5% DevOps Managed ServicesSee all 32 projectsScalo is a custom software development company specializing in tailored software solutions and full-stack software development. The company boasts high levels of customer satisfaction, with over 85% of reviews highlighting their strong technical expertise, seamless project management, and effective communication. Clients frequently praise Scalo's ability to deliver high-quality, stable software while meeting project timelines and maintaining responsiveness and transparency.
$10,000+$25 - $49 / hr250 - 999Serves Seattle, WAServices provided
35% Custom Software Development20% IT Staff Augmentation15% AI Development +3 services10% Cloud Consulting & SI10% Enterprise App Modernization10% Web DevelopmentSee all 68 projectseSparkBiz is a Custom Software Development company specializing in tailored and full-stack software development solutions. The company's reviews are overwhelmingly positive, with clients praising their project management, timeliness, and impressive technical capabilities. Approximately 90% of reviewers commend eSparkBiz for their responsive communication and ability to integrate seamlessly with client teams. Several clients highlight the company's excellent value for cost and cultural alignment.
$25,000+$25 - $49 / hr250 - 999Serves Seattle, WAServices provided
20% Custom Software Development50% AI Development20% IT Staff Augmentation +1 service10% Cloud Consulting & SISee all 53 projectsCodeNinja is a distinguished company in the Custom Software Development sector, excelling in bespoke software creation and full-stack software development. Reviews reveal a 100% positive feedback rate, with CodeNinja lauded for its effective project management and ability to adapt to client needs. Notably, 80% of clients highlight their impressive responsiveness and customization capabilities, underscoring CodeNinja's commitment to delivering tailored, end-to-end software solutions.
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UndisclosedUndisclosed50 - 249Sammamish, WA
Services provided
30% Custom Software Development25% BI & Big Data Consulting & SI25% IT Strategy Consulting +1 service20% Cloud Consulting & SIDatadigm, a midsize custom software development firm, is located in Sammamish, Washington. The team specializes in Custom Software Development and IT strategy consulting.
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UndisclosedUndisclosed50 - 249Seattle, WA
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30% Custom Software Development70% CybersecurityMidsize Cybersecurity company Envorso, is headquartered in Seattle, Washington and Detroit, Michigan. The team focuses on Cybersecurity and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49Kent, WA
Services provided
10% Custom Software Development10% Content Marketing10% E-Commerce Development +7 services10% Email Marketing10% Graphic Design10% Pay Per Click10% Search Engine Optimization10% Social Media Marketing10% Web Design10% Web DevelopmentEstablished in 2021, DigiCorders is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.
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UndisclosedUndisclosed2 - 9Seattle, WA
Services provided
100% Custom Software DevelopmentBuoy Development is a software development company. They are based in Seattle, Washington and have small team of experts. Their services include Custom Software Development.
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Undisclosed< $25 / hr10 - 49Seattle, WA
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50% Custom Software Development25% Cloud Consulting & SI25% DevOps Managed ServicesBLG Technologies (P) Ltd., a custom software development company, was launched in 2017. They offers Custom Software Development and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Bellevue, WA
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30% Custom Software Development50% Computer Engineering20% Mobile App DevelopmentComputer Engineering company PositiveSine, Inc. Is located in Bellevue, Washington. They focus on Computer Engineering and Custom Software Development.
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UndisclosedUndisclosed2 - 9Seattle, WA
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30% Custom Software Development70% BlockchainIn Seattle, Washington, Niftmint is a small Blockchain company. Their services include Blockchain and Custom Software Development.
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UndisclosedUndisclosed10 - 49Seattle, WA
Services provided
25% Custom Software Development25% E-Commerce Development25% Web Design +1 service25% Web DevelopmentSnaps Technology is a custom software development company headquartered in Seattle, Washington and Kolkata, India. The team provides Custom Software Development and E-Commerce Development.
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UndisclosedUndisclosed10 - 49Bremerton, WA
Services provided
25% Custom Software Development25% Business Consulting25% Cybersecurity +1 service25% IT Managed ServicesPOWTEC SOLUTIONS, LLC is a Bremerton, Washington-based custom software development firm. Their services include Custom Software Development and IT managed services.
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UndisclosedUndisclosed10 - 49Seattle, WA
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25% Custom Software Development25% BI & Big Data Consulting & SI25% Business Consulting +1 service25% Cloud Consulting & SIITrellis, LLC is a data analytics company headquartered in Seattle, Washington. Founded in 2013, the team specializes in BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Poulsbo, WA
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25% Custom Software Development20% BI & Big Data Consulting & SI20% IT Strategy Consulting +2 services20% Mobile App Development15% Product DesignVelosys, a software development company, specializes in Custom Software Development and IT strategy consulting. The company is located in Poulsbo, Washington.
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UndisclosedUndisclosed50 - 249Seattle, WA
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20% Custom Software Development60% Product Design20% UX/UI DesignPensar Development is a Seattle, Washington-based Product Design company. They focus on Product Design and Custom Software Development.
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UndisclosedUndisclosed50 - 249Bellevue, WA
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20% Custom Software Development40% Business Consulting20% Digital Strategy +1 service20% Marketing StrategyBusiness Consulting company Prime 8 Consulting is in Bellevue, Washington. Their services include Business Consulting and Custom Software Development.
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UndisclosedUndisclosed50 - 249Seattle, WA
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20% Custom Software Development20% Application Testing20% Cloud Consulting & SI +3 services20% IT Managed Services10% Low/No Code Development10% Web DesignFormidable is an IT managed services company. They are headquartered in Seattle, Washington and London, England. Their team specializes in IT managed services and Custom Software Development.
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UndisclosedUndisclosed50 - 249Seattle, WA
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20% Custom Software Development20% Application Testing15% IT Strategy Consulting +3 services15% Search Engine Optimization15% Web Design15% Web DevelopmentFast Track Team, a custom software development firm, offers Custom Software Development and Application Testing. The company is located in Seattle, Washington and Pune, India.
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UndisclosedUndisclosed50 - 249Redmond, WA
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20% Custom Software Development20% Application Testing20% DevOps Managed Services +2 services20% IT Strategy Consulting20% IoT DevelopmentAuroraView, a midsize IT strategy consulting company, is headquartered in Redmond, Washington. The team provides IT strategy consulting and Custom Software Development.
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UndisclosedUndisclosed50 - 249Seattle, WA
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20% Custom Software Development20% API Development20% Cloud Consulting & SI +3 services20% Cybersecurity10% IT Strategy Consulting10% Market ResearchCloud consulting & SI company Yenlo was established in 2007. The firm specializes in cloud consulting & SI and Cybersecurity.
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$10,000+$200 - $300 / hr10 - 49Everett, WA
Services provided
22% Custom Software Development30% Web Design30% Web Development +1 service18% E-Commerce DevelopmentFDG Web, Inc is a web design agency founded in 1999. Their team focuses on Web Design and Web Development.
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Undisclosed$100 - $149 / hrFreelancerKirkland, WA
Services provided
50% Custom Software Development50% IT Strategy ConsultingIT strategy consulting and software development company Fusion Technology was launched in 2022. The team specializes in IT strategy consulting and Custom Software Development.
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UndisclosedUndisclosed2 - 9Redmond, WA
Services provided
25% Custom Software Development20% AI Development20% Mobile App Development +3 services15% BI & Big Data Consulting & SI10% Cloud Consulting & SI10% Web DesignEstablished in 2018, Axcend Consulting is a small Redmond, Washington-based data analytics company. Their team provides BI & big data consulting & SI and Custom Software Development.
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UndisclosedUndisclosed10 - 49Seattle, WA
Services provided
20% Custom Software Development20% AI Development20% IT Managed Services +3 services20% IT Strategy Consulting10% Low/No Code Development10% Web DesignTignis is a custom software development company. Established in 2017, the firm is located in Seattle, Washington. Their team specializes in Custom Software Development and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Bellevue, WA
Services provided
20% Custom Software Development20% Mobile App Development20% Web Development +3 services15% Cybersecurity15% IT Strategy Consulting10% IT Managed ServicesIT SOFT, a small software development firm, is based in Bellevue, Washington. The team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Seattle, WA
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20% Custom Software Development40% Product Design20% Application Testing +1 service20% Mobile App DevelopmentLaunched in 2017, Diatomic Product Development is a Product Design company. The company focuses on Product Design and Custom Software Development.
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UndisclosedUndisclosed250 - 999Seattle, WA
Services provided
10% Custom Software Development10% AI Development10% Application Management & Support +7 services10% Business Consulting10% CRM Consulting and SI10% Corporate Training & Coaching10% HR Consulting10% IT Managed Services10% IT Strategy Consulting10% Sales OutsourcingLaunched in 2002, Wimmer Solutions is a software development company. The firm offers Custom Software Development and IT strategy consulting.
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$5,000+$50 - $99 / hr10 - 49Kirkland, WA
Services provided
20% Custom Software Development25% Mobile App Development20% Web Development +5 services10% AI Development10% API Development5% UX/UI Design5% Wearable App Development5% Web DesignApp development company Cuboid LLC was founded in 2023. The team offers Mobile App Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Seattle, WA
Services provided
20% Custom Software Development20% IT Managed Services20% IT Strategy Consulting +3 services20% Mobile App Development10% Cloud Consulting & SI10% Web DesignEstablished in 2011, Generalsoft Corporation is a custom software development firm. Headquartered in Seattle, Washington, the team specializes in Custom Software Development and cloud consulting &
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$1,000+$100 - $149 / hr2 - 9Seattle, WA
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20% Custom Software Development20% Graphic Design20% Search Engine Optimization +2 services20% Web Design20% Web DevelopmentGaringx, a small SEO agency, is in Seattle, Washington. Their services include Search Engine Optimization and Web Design.
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$10,000+$25 - $49 / hr2 - 9Mill Creek, WA
Services provided
20% Custom Software Development20% AI Consulting20% AI Development +2 services20% Employer of Record (EOR) Services20% IT Managed ServicesIT managed services company ApiaryX is headquartered in Mill Creek, Washington. The team focuses on IT managed services and Custom Software Development.
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$1,000+$150 - $199 / hr2 - 9Seattle, WA
Services provided
10% Custom Software Development10% AI Consulting10% Content Marketing +7 services10% Conversion Optimization10% Digital Strategy10% IT Strategy Consulting10% Product Marketing10% Search Engine Optimization10% Web Design10% Web DevelopmentProduct 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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UndisclosedUndisclosed2 - 9Seattle, WA
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40% Custom Software Development20% Application Management & Support20% Application Testing +2 services10% Low/No Code Development10% Web DesignShowGo Software is a software development firm in Seattle, Washington. They offer Custom Software Development and Application Testing.
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$25,000+$100 - $149 / hr10 - 49Puyallup, WA
Services provided
15% Custom Software Development30% Mobile App Development15% AI Development +3 services15% UX/UI Design15% Web Development10% BlockchainSee all 9 projectsDevscale is a custom software development company specializing in full-stack and end-to-end software development, tailored to meet individual client needs. They have received overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management skills and commitment to delivering on time and within budget. Clients consistently praise their ability to translate complex concepts into practical solutions, emphasizing their collaborative and proactive approach.
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UndisclosedUndisclosed10 - 49Seattle, WA
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30% Custom Software Development30% IT Strategy Consulting10% Application Management & Support +3 services10% Application Testing10% Low/No Code Development10% Web DesignPHYTEC America is a software development company. Located in Bainbridge Island, Washington and Seattle, Washington, the company specializes in Custom Software Development and IT strategy consulting.
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$1,000+< $25 / hr50 - 249Seattle, WA
Services provided
10% Custom Software Development15% Low/No Code Development10% Blockchain +30 services10% IT Staff Augmentation10% Mobile App Development10% Web Development5% AI Development5% IT Managed Services1% AI Consulting1% API Development1% AR/VR Development1% Application Management & Support1% Application Testing1% CRM Consulting and SI1% Cloud Consulting & SI1% Cybersecurity1% DevOps Managed Services1% Digital Strategy1% E-Commerce Development1% ECM Consulting and SI1% ERP Consulting and SI1% Email Marketing1% Employer of Record (EOR) Services1% Enterprise App Modernization1% Generative AI1% HR Outsourcing1% IT Strategy Consulting1% IoT Development1% Microservices Architecture Services1% Mobile & App Marketing1% Robotics Process Automation1% Wearable App Development1% Web DesignSee all 5 projectsVinova is a proficient software development company that excels in tailored and bespoke software development services. Their clients report a high level of satisfaction, with 100% positive feedback highlighting their professionalism, responsiveness, and ability to deliver projects on time. Notably, 50% of the reviewers emphasize Vinova's flexibility and cost-effectiveness as key differentiators in their service delivery.
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UndisclosedUndisclosed10 - 49Bellevue, WA
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10% Custom Software Development20% Business Consulting20% Cloud Consulting & SI +5 services10% AI Development10% Blockchain10% IoT Development10% Mobile App Development10% Web DevelopmentLeszynski 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
Services provided
10% Custom Software Development10% API Development10% Blockchain +7 services10% Cloud Consulting & SI10% DevOps Managed Services10% E-Commerce Development10% ECM Consulting and SI10% ERP Consulting and SI10% Enterprise App Modernization10% IoT DevelopmentCloud 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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10% Custom Software Development10% AI Consulting10% Branding +7 services10% Business Consulting10% DevOps Managed Services10% IT Strategy Consulting10% Product Design10% Staffing10% UX/UI Design10% Web DesignSolid 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
Services provided
10% Custom Software Development10% AI Consulting10% Application Testing +7 services10% BI & Big Data Consulting & SI10% Business Consulting10% Cloud Consulting & SI10% Corporate Training & Coaching10% DevOps Managed Services10% IT Strategy Consulting10% RecruitingIT 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
Services provided
20% Custom Software Development20% Cloud Consulting & SI20% IT Staff Augmentation +2 services20% IT Strategy Consulting20% Web DevelopmentMavensoft 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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UndisclosedUndisclosed50 - 249Newcastle, WA
Services provided
20% Custom Software Development30% Cybersecurity20% Cloud Consulting & SI +2 services20% Unified Communications Consulting & SI10% Web DesignVidyatech is a midsize Cybersecurity company located in Vancouver, Canada and Newcastle, Washington. The team offers Cybersecurity and cloud consulting & SI.
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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
38.9/40.020/20 Reviews9.1/10 Clients & Experience9.8/10 Market PresenceService focus
70% Custom Software Development30% Other -
$25,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
37.9/40.018.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
50% Custom Software Development50% Other -
$10,000+$100 - $149 / hr250 - 999Bellevue, WA
Ability to deliver
32.7/40.015.8/20 Reviews7.3/10 Clients & Experience9.6/10 Market PresenceService focus
35% Custom Software Development65% Other -
$5,000+$100 - $149 / hr50 - 249Seattle, WA
Ability to deliver
38.6/40.020/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$50,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
31.3/40.016.2/20 Reviews9.5/10 Clients & Experience5.6/10 Market PresenceService focus
60% Custom Software Development40% Other -
$10,000+$150 - $199 / hr10 - 49Medina, WA
Ability to deliver
35.9/40.018.2/20 Reviews10/10 Clients & Experience7.7/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$50 - $99 / hr10 - 49Seattle, WA
Ability to deliver
35.5/40.017/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
20% Custom Software Development80% Other -
$25,000+$150 - $199 / hr10 - 49Seattle, WA
Ability to deliver
37.1/40.017.8/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$25 - $49 / hr250 - 999Kirkland, WA
Ability to deliver
35.6/40.016.2/20 Reviews10/10 Clients & Experience9.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr10 - 49Seattle, WA
Ability to deliver
35.8/40.016.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
15% Custom Software Development85% Other -
$50,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
35.9/40.017.6/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
35.8/40.016.2/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$150 - $199 / hr10,000+Bellevue, WA
Ability to deliver
32.6/40.015.2/20 Reviews10/10 Clients & Experience7.4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$100 - $149 / hr2 - 9Seattle, WA
Ability to deliver
33.2/40.016.6/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
30% Custom Software Development70% Other -
$5,000+$50 - $99 / hr250 - 999Kirkland, WA
Ability to deliver
34.4/40.017.2/20 Reviews9.4/10 Clients & Experience7.8/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$100 - $149 / hr2 - 9Edmonds, WA
Ability to deliver
34.7/40.016.2/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
15% Custom Software Development85% Other -
$25,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
34.2/40.019/20 Reviews8/10 Clients & Experience7.2/10 Market PresenceService focus
10% Custom Software Development90% Other -
$1,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
31/40.017/20 Reviews9.5/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$10,000+$50 - $99 / hr50 - 249Kirkland, WA
Ability to deliver
32.9/40.016/20 Reviews8.6/10 Clients & Experience8.3/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
29.7/40.017.2/20 Reviews6.1/10 Clients & Experience6.4/10 Market PresenceService focus
25% Custom Software Development75% Other -
$5,000+$50 - $99 / hr50 - 249Seattle, WA
Ability to deliver
31.6/40.017.2/20 Reviews9.5/10 Clients & Experience4.9/10 Market PresenceService focus
10% Custom Software Development90% Other -
UndisclosedUndisclosed50 - 249Seattle, WA
Ability to deliver
30.8/40.016.2/20 Reviews8/10 Clients & Experience6.6/10 Market PresenceService focus
10% Custom Software Development90% Other -
$25,000+$150 - $199 / hr2 - 9Seattle, WA
Ability to deliver
23.8/40.016.2/20 Reviews2.4/10 Clients & Experience5.2/10 Market PresenceService focus
65% Custom Software Development35% Other -
$10,000+$200 - $300 / hr2 - 9Seattle, WA
Ability to deliver
29.5/40.016.4/20 Reviews9.1/10 Clients & Experience4/10 Market PresenceService focus
10% Custom Software Development90% Other -
$10,000+$25 - $49 / hr50 - 249Bellevue, WA
Ability to deliver
25.8/40.016.2/20 Reviews3.1/10 Clients & Experience6.5/10 Market PresenceService focus
25% Custom Software Development75% Other -
$1,000+< $25 / hr10 - 49Lynnwood, WA
Ability to deliver
26.5/40.018.2/20 Reviews3.7/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$25 - $49 / hr50 - 249Seattle, WA
Ability to deliver
22.9/40.015.2/20 Reviews1.9/10 Clients & Experience5.8/10 Market PresenceService focus
30% Custom Software Development70% Other -
$50,000+$100 - $149 / hr10 - 49Seattle, WA
Ability to deliver
25.4/40.017/20 Reviews3.8/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
$5,000+$25 - $49 / hr10 - 49Bellevue, WA
Ability to deliver
24.3/40.016.2/20 Reviews3.5/10 Clients & Experience4.6/10 Market PresenceService focus
20% Custom Software Development80% Other -
UndisclosedUndisclosed1,000 - 9,999Kingston, WA
Ability to deliver
19.5/40.00/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Custom Software Development80% Other
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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.
Get matched with the 5 best-fit agencies for your project—in 4 minutes or less.