Top 100 Mobile App Developers in Washington
The Best of December 2025Looking for a top mobile app development company in Washington?
Building a mobile app is expensive. In fact, it can cost $10,000 to $150,000, unless you want an out-of-the-box solution with a DIY app builder. So, choosing the right app developer is important because it can save you time and money and result in an app that makes your business stand out.
As you begin the process of hiring an app development company, remember to define the type of app you want before starting conversations with developers. How complex your app idea is will determine your budget and the skill level you need in an app developer. Then, once conversations begin, ask for portfolio items, reviews, and references. Be sure to bring up timeline, too, so you align on expectations.
Overall, with about 90% of time on mobile spent in apps, investing in a mobile app for your business may help attract customers and get your brand in front of more people.
To assist you in your search for a partner, we’ve compiled this list of the top mobile app developers in Washington. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Washington Mobile App Development Companies
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91$1,000+10 - 49 employeesSeattle, WABurgi Technologies, an IT managed services company, was founded in 2015. Headquartered in Tustin, California; Rancho Cucamonga, California; Seattle, Washington and Phoenix, Arizona, their small team provides IT managed services, cloud consulting & SI, Cybersecurity, IT strategy consulting, and more.Read More
Clients
HyundaiIndustries
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92Undisclosed2 - 9 employeesSpokane, WAWYND is a web design company. Their team is in Spokane, Washington and Rio Rancho, New Mexico. The agency specializes in Web Design and Web Development.Read More
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93$10,000+2 - 9 employeesBellingham, WAICrate Solution is a software development company. The team is headquartered in Bellingham, Washington, and their services include Custom Software Development and Web Development.Read More
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94$1,000+2 - 9 employeesBellevue, WAEstablished in 2023, Fuze Studio is a website development firm. In Bellevue, Washington, the team specializes in Web Development and Web Design.Read More
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95$250,000+2 - 9 employeesRenton, WACoreUs is a software development firm. The Renton, Washington-based company provides Custom Software Development and UX/UI Design.Read More
Industries
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96$75,000+50 - 249 employeesRedmond, WARead More
BlueLabel is an AI Consulting company. Established in 2009, the midsize company is headquartered in New York, New York; Redmond, Washington and San Francisco, California. Their team provides AI Consulting, Generative AI, Artificial Intelligence, Product Design, and more.
Clients
Bloomberg NewsIndustries
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97Undisclosed10 - 49 employeesSpokane, WA14Four, a mobile app development company, was established in 2007. Based in Spokane, Washington, the team specializes in Mobile App Development and Social Media Marketing.Read More
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98$1,000+2 - 9 employeesTacoma, WARead More
Grinev Software is a development company based in Federal Way, Wash. Their team was founded in 2007 and has around 10 employees. They primarily provide mobile app, web, and e-commerce development.
Clients
grinev.softwareIndustries
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99$10,000+1,000 - 9,999 employeesSan Rafael, Costa RicaPOSSIBLE is a large UX design agency based in Los Angeles, California and Atlanta, Georgia. Their services include UX/UI Design and Content Marketing.Read More
Clients
MicrosoftIndustries
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100$1,000+50 - 249 employeesBellevue, WATechValens Software Systems LLC is an application development company. The firm is located in Bellevue, Washington. Their services include Mobile App Development and Web Development.Read More
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101$5,000+10 - 49 employeesStockholm, SwedenRead More
Slashdev is a small custom software development firm based in Winter Park, Florida; London, England; Stockholm, Sweden and San Diego, California. They specialize in Custom Software Development, Web Development, Mobile App Development, IT staff augmentation, and more and were founded in 2020.
Industries
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102$5,000+2 - 9 employeesSeattle, WARead More
Founded in 2003, Swecker is a Seattle-based web development agency that serves small and mid-market businesses. In addition to web development, the team of fewer than 10 also offers mobile app and custom software development and design.
Clients
MicrosoftIndustries
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103$5,000+50 - 249 employeesSeattle, WAApplication development firm Qodestar was established in 2022. They are based in Seattle, Washington; Nashville, Tennessee; New York, New York and Tampa, Florida and have a midsize team. Their services include Mobile App Development, UX/UI Design, Mobile & App Marketing, Product Design, and more.Read More
Industries
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104$10,000+50 - 249 employeesKirkland, WARead More
Founded in 2013, AccelOne is an artificial intelligence firm. They are headquartered in Kirkland, Washington; Buenos Aires, Argentina and Mission Viejo, California and have a midsize team. The firm offers Artificial Intelligence, Generative AI, IT managed services, IT staff augmentation, and more.
Clients
XapoIndustries
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105Undisclosed10 - 49 employeesBellevue, WAWeb design agency Adroit Business Solutions, Inc. Was launched in 2003. The firm provides Web Design and Mobile App Development.Read More
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106$5,000+2 - 9 employeesBothell, WARavenna is a website development company headquartered in Bothell, Washington. The team offers Web Development and Mobile App Development.Read More
Industries
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107Undisclosed1,000 - 9,999 employeesSeattle, WASlalom Build is an user experience design agency launched in 2001. Their services include UX/UI Design and CRM consulting and SI.Read More
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108Undisclosed2 - 9 employeesSeattle, WAZenwerks Web Development, LLC is a branding firm. In Seattle, Washington, their small team specializes in Branding and Mobile App Development. The firm was launched in 1999.Read More
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109Undisclosed2 - 9 employeesBothell, WAXcarab is a big data company launched in 2001. Their team offers BI & big data consulting & SI and cloud consulting & SI.Read More
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110Undisclosed10 - 49 employeesPoulsbo, WAVelosys, a software development company, specializes in Custom Software Development and IT strategy consulting. The company is located in Poulsbo, Washington.Read More
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111Undisclosed10 - 49 employeesBellevue, WAIT SOFT, a small software development firm, is based in Bellevue, Washington. The team focuses on Custom Software Development and Web Development.Read More
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112Undisclosed10 - 49 employeesSeattle, WAEstablished in 2019, UpTop Health is a Digital Strategy company. Their services include Digital Strategy and UX/UI Design.Read More
Industries
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113Undisclosed10 - 49 employeesSeattle, WALaunched in 2017, Diatomic Product Development is a Product Design company. The company focuses on Product Design and Custom Software Development.Read More
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114Undisclosed10 - 49 employeesSeattle, WAEstablished in 2002, Page 3 Design is an Architectural Design company. The team focuses on Architectural Design and Mobile App Development.Read More
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115$75,000+50 - 249 employeesVancouver, WAFormos is a software development firm. They focus on Custom Software Development, Mobile App Development, and Web Development and were founded in 2003. Their midsize team is located in Vancouver, Washington; Ho Chi Minh City, Vietnam; Quito, Ecuador and Da Nang, Vietnam.Read More
Clients
Audigy JH Kelly Perfect Company Boomerang HealthcareIndustries
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116Undisclosed2 - 9 employeesBellevue, WAMobile app development firm Doxieworks LLC was established in 2007. The company provides Mobile App Development and Web Development, and is small.Read More
Industries
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117Undisclosed250 - 999 employeesBellevue, WABrickRed Systems, a midsize Application Testing company, is in Bellevue, Washington and Hyderabad, India. Their services include Application Testing and Business Consulting.Read More
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118Undisclosed2 - 9 employeesSeattle, WABlank Space LLC is a branding agency. They specialize in Branding and Graphic Design and were established in 2006. The agency is based in Seattle, Washington.Read More
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119Undisclosed2 - 9 employeesSeattle, WACemax It, a small app development firm, is in Dhaka, Bangladesh and Seattle, Washington. The team provides Mobile App Development and Search Engine Optimization.Read More
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120Undisclosed2 - 9 employeesSpokane, WAGeek Web Services, a web design agency, was established in 2010. The team provides Web Design and Web Development.Read More
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