Best Mobile App Developers in Bellevue

Why These Mobile App Developers?

Our goal is to connect people with the best local experts. We scored Bellevue Mobile App Developers on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.

Reviewed Curated Top Picks 17 15 13

Our Selection Criteria:

  • 1. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 2. Qualifications

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Reputation

    A history of delighted customers and outstanding service.

  • 4. Experience

    Masters of their craft, based on years of practical experience and education.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Read more about our selection process

AltaSource Group

Based in Kirkland, the AltaSource Group is a U.S. owned IT services company with an app development team based in Buenos Aires, Argentina. Since its foundation in 2010, the firm has worked with start-ups and Fortune 500 companies in sectors as diverse as health care, communications, media, and gaming. Its mobile app development team builds applications for iOS, Android, and Windows. They also design and develop cloud and web-based applications

625 4th Ave Ste 205
Kirkland, WA 98033



ATI is a spin-off from World Wide Technologies Inc, launched to develop emerging technologies in the IT, telecommunications, and healthcare industries. Based in Bellevue (also operating and serving in Texas and California), it also develops web and mobile applications for additional sectors, including retail, legal, and digital marketing. The company develops a range of apps that involve Cloud and Analytics technologies, such as those that simplify insurance or help users track key health biometrics. Platforms ATI creates applications for include iOS, Android, and CRMs like SalesForce & Zoho.

1400 112th Ave SE Ste 100
Bellevue, WA 98004



Itirra is a boutique software development company based in Kirkland. For over 12 years, Itirra has relied on its deep expertise to create and develop innovative cloud, big data, and machine learning software solutions. Whether it’s automation, privacy, system integration, security, or BI, Itirra’s team of experts can deliver the right solution for companies in healthcare and other industries. A notable example is AIDA, a product built to optimize the patient discharge process by connecting hospitals with long-term care providers.

12840 NE 85th St # A110
Kirkland, WA 98033


Pixel Lab

Founded in 2008, Pixel Lab is a Seattle-based app and software design and development studio. The studio builds apps for a variety of social and business platforms, on systems such as iOS, Android, WordPress, and open-source technologies. The firm has successfully developed over 65 large projects and multiple smaller ones for clients from a wide range of industries. The company takes on big and small projects and counts Microsoft, Disney, Yahoo, and BMW amongst its clients.

Seattle, WA 98005


Ravenna Interactive

Founded in 2007, Ravenna Interactive is a design and development company that builds websites and applications for a range of industries, including food and beverage, legal, and communications. Based in Bothell, the firm works with new and established enterprises throughout the Bellevue metro area. Its clients include local retailers, Starbucks, and Alaska Airlines. The firm's developers design and build apps for small and large-scale projects, employing industry standards, such as WordPress and React.

2020 Maltby Rd Ste 7 # 213
Bothell, WA 98021


Slick Development

Founded in 2014, Slick Development specializes in building software, websites, and mobile apps. Located in Bellevue, the firm works with clients across the Pacific Northwest on big and small projects. Its clients include Microsoft, Washington State Chambers, and Carburetor Connection. The company specializes in developing iOS and Android apps for low-tech businesses, including cross-platform apps. Its iOS development team routinely creates apps for gamers, social media users, and online businesses.

10900 NE 8th St Ste 1000
Bellevue, WA 98004


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