Top 100 iPhone Applications Development Companies in Washington
The Best of March 2026Looking for a top iOS app agency in Washington?
iPhone developers are crucial for engaging the U.S. market. Finding the best one to develop your app, though, is challenging.
To assist you in your search for a partner, we’ve compiled this list of the top iphone applications development companies in Washington. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Washington iOS App Developers
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1$25,000+10 - 49 employeesSeattle, WAUpTop, an user experience company, was launched in 2000. They are located in Seattle, Washington and have a small team. UpTop provides UX/UI Design, Custom Software Development, and Mobile App Development.Read More
Clients
Amazon F5 SAP Concur Pearson Packaging SystemsIndustries
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2$100,000+10 - 49 employeesVancouver, WARead More
A development company founded in 2005, Infinite Red, Inc. is based in Vancouver, Wash. Their team of fewer than 50 works in additional offices in San Rafael, Calif., servicing small to midmarket businesses. They offer web and mobile app development as well as web and UX/UI design services.
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MicrosoftIndustries
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3$10,000+10 - 49 employeesMedina, WAFlower Press Interactive is an artificial intelligence firm founded in 2001. Their small team is in Medina, Washington and offers Artificial Intelligence, UX/UI Design, AI Consulting, Custom Software Development, and more.Read More
Clients
SheSports Brown Bear Car Wash Common Sense Privacy Applied Stem CellIndustries
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4$10,000+2 - 9 employeesSeattle, WALaunched in 1996, Montana Banana Web & Mobile Development + Design is a small Ecommerce Marketing company. Their team offers Ecommerce Marketing, Conversion Optimization, Web Design, Web Development, and more. The company is headquartered in Seattle, Washington.Read More
Clients
ESS Eye Pro - Magento Store that Wins on Mobile Oakley - Storyblog to Showcase People Using Oakley Products Vallarta Supermarkets - Bringing Vallarta’s Warmth to the Web Hansen Belyea - Partnering With Hansen Belyea to Create Maximum Impact for Lindsey FireSenseIndustries
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5Undisclosed10 - 49 employeesVancouver, WARead More
Located in Portland, OR, Parthenon Software Group and its team of nearly 40 develop web and mobile apps. Founded in 2006, the company also has experience in custom software development.
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Intel -
6$5,000+50 - 249 employeesSeattle, WAHeadquartered in Seattle, Washington; Yerevan, Armenia and Almaty, Kazakhstan, Innova is a big data analytics company. The midsize agency was established in 2021. Their services include BI & big data consulting & SI, cloud consulting & SI, IT managed services, Custom Software Development, and more.Read More
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7Undisclosed50 - 249 employeesSeattle, WARead More
Smashing Ideas is a mobile app development company that offers an array of services such as UI/UX design, web design, data strategy and analytics, and quality assurance and testing. Since its founding in 1996, Smashing Ideas has grown to over 50 employees who are passionate, curious, and creative.
Clients
ReachNow -
8$5,000+10 - 49 employeesIssaquah, WARead More
Since its founding in 2010, Inventive Mobile has been dedicated to mobile app development. Their small but expert team completed over 30 projects for both Android and iOS with over 10 million downloads.
Clients
University of WashingtonIndustries
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9Undisclosed50 - 249 employeesBellevue, WARead More
Founded in 2010, WaferWire Cloud Technologies is located in Bellevue, Wash. Their team of about 50 employees provides web design, graphic design, and ERP consulting and SI services.
Clients
Treasury Curve -
10$50,000+10 - 49 employeesSeattle, WANew Normal, an application development firm, was founded in 2012. Their small team is located in Seattle, Washington and focuses on Mobile App Development, Custom Software Development, Web Development, UX/UI Design, and more.Read More
Clients
AmazonIndustries
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11$5,000+50 - 249 employeesSeattle, WAINFINITE ART SOLUTIONS is a graphic design agency. Established in 2014, the firm is located in Seattle, Washington. Their services include Graphic Design and Mobile App Development.Read More
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12$10,000+10 - 49 employeesClarkston, WAIntegrated IT Solutions is a software development firm headquartered in Clarkston, Washington. The small firm was launched in 2019. Their services include custom software development, social media marketing, content marketing, search engine optimization, and more.Read More
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13$5,000+10 - 49 employeesBellevue, WARead More
Scalex Technology Solutions is a digital agency founded in Bellevue, Wash. in 2015 with fewer than 50 employees. They specialize in cloud consulting, mobile app development, and custom software development for clients in the fields of education, financial, and IT services.
Clients
World VisionIndustries
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14$1,000+10 - 49 employeesSeattle, WATekByt LLC is a web design agency established in 2024. They are in Seattle, Washington and have a small team. Their services include Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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15$5,000+10 - 49 employeesSeattle, WALaunched in 2017, Fenyx Studio is a mobile app development company. The small team specializes in Mobile App Development and Web Development.Read More
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16$5,000+50 - 249 employeesBellevue, WAMidsize mobile application development firm Tech Pathway, is in Jaipur, India and Bellevue, Washington. Their services include Mobile App Development and Web Development.Read More
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17$5,000+10 - 49 employeesKirkland, WARead More
Based in Kirkland, Wash., ITIRRA is a boutique technology consulting firm. Since 2008, their team of 12 has been specializing in web development, mobile app development, IT strategy consulting, and more.
Clients
Sports Aptitude -
18$5,000+2 - 9 employeesBurien, WASandcastle Web Design and Development is a software development company established in 1998. The team specializes in Custom Software Development and Mobile App Development.Read More
Clients
Aviation Supplies & Academics Cevala / Brandvia Allegiant Commercial Asset Services GroupIndustries
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19$25,000+2 - 9 employeesBainbridge Island, WABased in Bainbridge Island, Washington, Apsis Labs is a small web design company. They offer Web Design, UX/UI Design, Web Development, Mobile App Development, and more and were launched in 2014.Read More
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20$10,000+10 - 49 employeesSeattle, WARead More
Helpful Human is a development agency based in Seattle. Since 2013, their team of 15 has been specializing in web design and development, mobile app development, and UX/UI design. They work primarily with small businesses in the information services and business services industries.
Clients
Rudy'sIndustries
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21Undisclosed10 - 49 employeesSpokane, WAGravity Jack, an AR/VR development company, was established in 2009. Based in Spokane, Washington, the team provides AR/VR development and Web Development.Read More
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22$50,000+50 - 249 employeesSeattle, WASubstantial, a Digital Strategy company, was launched in 2006. The team provides Digital Strategy and Mobile App Development and is in Seattle, Washington.Read More
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23$1,000+10 - 49 employeesBellingham, WALaunched in 2015, Densenium India Private Limited, a small graphic design company, is in Bellingham, Washington and Noida, India. Their services include Graphic Design and Web Development.Read More
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24$10,000+10 - 49 employeesSeattle, WAPalador is a small custom software development firm headquartered in Seattle, Washington and Yogyakarta, Indonesia. Their services include Custom Software Development and Enterprise App Modernization.Read More
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25$10,000+2 - 9 employeesSeattle, WAWebsite development firm Aptium was launched in 2021. The team offers Web Development and Mobile App Development and is in Seattle, Washington.Read More
Clients
Believe VenturesIndustries
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26$1,000+10 - 49 employeesLynnwood, WATechlusion LLC is a cloud consulting & SI company. Their small team is in Lynnwood, Washington and Ahmedabad, India. Their services include cloud consulting & SI and IT staff augmentation.Read More
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27$50,000+50 - 249 employeesSeattle, WACloud consulting & SI company GenUI was launched in 2009. The midsize team focuses on cloud consulting & SI and Mobile App Development.Read More
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28$10,000+50 - 249 employeesBellevue, WABased in Bellevue, Washington; Ahmedabad, India and Seattle, Washington, 9series Inc is an application development company. The midsize firm was founded in 2014. Their team provides Mobile App Development, Artificial Intelligence, Web Development, and Low/No Code Development.Read More
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29$25,000+10 - 49 employeesSeattle, WAElite Crest Technologies is a small AI firm established in 2011. Their team offers Artificial Intelligence and IoT development.Read More
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30$5,000+2 - 9 employeesGig Harbor, WAHeadquartered in Gig Harbor, Washington, GOLAZO Services, LLC is a web development company. They specialize in Web Development and Mobile App Development.Read More
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