Top Mobile App Development Companies in Seattle, WA
We ranked 7 mobile app development companies in and around Seattle, WA on client reviews, how many are verified, service focus and profile completeness. Includes companies in nearby Bellevue, Kirkland, Redmond and Issaquah. Updated October 2026. How rankings work
Teams that design and build iOS, Android and cross-platform mobile apps.
- Rank 1
Seattle-area studio that designs, builds, tests, launches and maintains native iOS and Android apps for startups and large companies.
No reviews yet
Issaquah, WA
- Mobile App Development
- UX/UI Design
- Rank 2Down 1 from #1
Seattle interactive studio creating mobile apps, games, websites and video for consumer, entertainment and technology brands.
No reviews yet
Seattle, WA
- Mobile App Development
- Web Development
- UX/UI Design
- Rank 3Down 1 from #2
App and AI development agency with a Redmond office, building mobile apps and agentic AI products for mid-market and enterprise companies.
No reviews yet
Redmond, WA
- AI & Automation
- Mobile App Development
- Product Design & Development
- Team
- 100-249 people
- Rank 4Down 1 from #3
Seattle digital agency designing and developing websites, headless commerce, web and mobile applications, and AI-enabled features.
No reviews yet
Seattle, WA
- Web Development
- Mobile App Development
- AI & Automation
- Team
- 10-49 people
- Rank 5Down 1 from #4
Bellevue firm that pairs strategy, experience design, software, hardware and AI engineering to take products from concept to launch.
No reviews yet
Bellevue, WA
- Product Design & Development
- Custom Software Development
- AI & Automation
- Team
- 250-999 people
- Rank 6Down 1 from #5
Seattle software firm building custom business applications, mobile apps and system integrations, and modernizing and supporting existing software.
No reviews yet
Seattle, WA
- Custom Software Development
- Mobile App Development
- API & Integration Development
- Rank 7Down 1 from #6
Kirkland, Washington software firm building HIPAA-compliant healthcare systems, EHR integrations and AI products for health-tech companies.
No reviews yet
Kirkland, WA
- Custom Software Development
- API & Integration Development
- AI & Automation
Not sure who to choose?
Tell us about your project and we’ll introduce you to up to three mobile app development companies in and around Seattle, WA that fit it. It’s free.