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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61Undisclosed50 - 249 employeesLynnwood, WAEstablished in 1994, TransAct Communications, LLC is a custom software development company. The agency focuses on Custom Software Development and Translation.Read More
Industries
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62$50,000+50 - 249 employeesSeattle, WAThirstySprout is an IT staff augmentation company. They are based in Seattle, Washington; San Francisco, California; Austin, Texas and Buenos Aires, Argentina and have a midsize team. The company provides IT staff augmentation, Generative AI, Custom Software Development, Web Development, and more.Read More
Clients
Rover.comIndustries
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63$5,000+10 - 49 employeesSeattle, WAEnter The Studio is a web design agency. Headquartered in Seattle, Washington, the team focuses on Web Design and Web Development.Read More
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64$5,000+10 - 49 employeesKirkland, WAFacet Digital, LLC is a website development firm founded in 2013. The small team offers Web Development and Mobile App Development.Read More
Industries
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65$1,000+2 - 9 employeesSeattle, WAS9 Digital is a branding company. Their small team is in Seattle, Washington. Their services include Branding and Content Marketing.Read More
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66$1,000+50 - 249 employeesBellingham, WAAnie Consultant Inc. Is a Digital Strategy company established in 2012. The agency focuses on Digital Strategy and Search Engine Optimization.Read More
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67$1,000+50 - 249 employeesBellevue, WADesverso LLC is a web design company founded in 2014. The midsize team offers Web Design and Logo.Read More
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68$5,000+10 - 49 employeesSeattle, WALaunched in 2020, UXland is an user experience design agency. Their services include UX/UI Design and Web Development.Read More
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69$25,000+50 - 249 employeesBellevue, WAProvoke Solutions, a software development firm, offers Custom Software Development and Enterprise App Modernization. The firm is in Bellevue, Washington and Wellington, New Zealand.Read More
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70Undisclosed2 - 9 employeesKent, WABetel Consulting is a Conversion Optimization company. The firm is headquartered in Kent, Washington. Their team specializes in Conversion Optimization and UX/UI Design.Read More
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71Undisclosed10 - 49 employeesSeattle, WAUX design company Hawk Tech Universe is located in Seattle, Washington. They focus on UX/UI Design and IT strategy consulting and were founded in 2024.Read More
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72$1,000+10 - 49 employeesKent, WALaunched in 2021, Techz Tron, a small branding company, is headquartered in Kent, Washington. Their services include Branding and Search Engine Optimization.Read More
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73$10,000+50 - 249 employeesSeattle, WASoftware development firm White Rabbit Group Inc was established in 2016. The company provides Custom Software Development and Web Development.Read More
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74Undisclosed50 - 249 employeesBellevue, WACardtapp is a CRM consulting and SI company. The midsize Bellevue, Washington-based team specializes in CRM consulting and SI and Mobile App Development. The firm was founded in 2012.Read More
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75$1,000+2 - 9 employeesVancouver, WARead More
Couve Creative is a small digital strategy company headquartered in Vancouver, Washington and Vancouver, Washington. Founded in 2022, the team specializes in digital strategy, web design, web development, mobile app development, and more.
Industries
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76$10,000+2 - 9 employeesBellevue, WAAstra, a web development company, offer Web Development and Mobile App Development. They were established in 2022.Read More
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77$10,000+2 - 9 employeesKent, WAWinnComm, LLC is a software development company. They provide Custom Software Development and Web Development and are based in Jaipur, India and Kent, Washington.Read More
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78Undisclosed2 - 9 employeesSeattle, WARead More
Ministry of Product is a web development company that was founded in 2005 and is headquartered in Seattle. Their team of 3 employees specializes in mobile app development, web development, and UX/UI design. They mostly work with companies in the business services, entertainment, and consumer products industries.
Clients
ZulilyIndustries
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79Undisclosed2 - 9 employeesLiberty Lake, WAGrowIT Media is a branding company. Their team is based in Liberty Lake, Washington and focuses on Branding and Graphic Design.Read More
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80Undisclosed10 - 49 employeesRedmond, WAAstrabitLLC is a software development firm. The firm is headquartered in Redmond, Washington. Their services include Custom Software Development and Web Development.Read More
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81$10,000+10 - 49 employeesBellevue, WARead More
Seattle Software Developers has offices in Bellevue, Wash., Augsburg, Germany, London, and Rome. Since 1989, the software development agency has been specializing in custom software, web, and mobile app development. Seattle Software Developers works with clients in various industries such as arts & entertainment and media.
Clients
beezerIndustries
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82Undisclosed1,000 - 9,999 employeesL'viv, UkraineRoom 8 Group, an app development firm, was founded in 2011. They specializes in Mobile App Development and Custom Software Development.Read More
Industries
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83$5,000+2 - 9 employeesSeattle, WAV37 is a custom software development company located in Seattle, Washington. Launched in 2022, the team specializes in Custom Software Development and Web Development.Read More
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84Undisclosed250 - 999 employeesBellevue, WAAuth0 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 2013.Read More
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85Undisclosed50 - 249 employeesKirkland, WAAltaSource Group is a mobile application development company established in 2009. The midsize team focuses on Mobile App Development and Web Design.Read More
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86Undisclosed50 - 249 employeesRenton, WAMidsize IT staff augmentation company Cyborg Mobile, is based in Renton, Washington. Their services include IT staff augmentation and Business Consulting.Read More
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87$1,000+2 - 9 employeesMonroe, WASell in Seattle is a SEO agency. The firm is based in Monroe, Washington. Their team focuses on Search Engine Optimization and Web Development.Read More
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88$50,000+50 - 249 employeesSeattle, WAEstablished in 2008, Wunderman Thompson Mobile is a midsize user experience company. Their team focuses on UX/UI Design and Mobile App Development.Read More
Industries
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89Undisclosed2 - 9 employeesSeattle, WAFounded in 2016, App Development Seattle is an application development firm. The team provides Mobile App Development and Web Design.Read More
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90$5,000+10 - 49 employeesSeattle, WARead More
OnyxTec, a small mobile app development firm, is based in Seattle, Washington and Lahore, Pakistan. Launched in 2020, the team specializes in mobile app development, web development, and custom software development.
Industries
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