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UPDATED September, 2021

80 Mobile App Developers in Seattle

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How do you hire a mobile app developer in Seattle for your business? To find the right company, follow these steps:

  1. Identify your project needs. Before releasing an RFP or meeting with a potential partner, compile a list of your requirements. Include designs, features, and functionalities to get input from the app developers you’re talking to.
  2. Choose a mobile app development platform — iOS vs. Android — and if you want to build a native, hybrid, or cross-platform app. Ask yourself if it’s important that the app is available on both the App Store and Google Play. Can you build natively while staying on budget?
  3. Read client testimonials, reviews, and case studies to get a better understanding of what your top contenders are capable of doing. If you find a project similar to yours, examine how they went about the project, how easy it was to communicate, and what their shortcomings were.

With hundreds of app development companies to choose from, how do you get started? Our list of the best app development companies includes client reviews, minimum project size, team size, specialty services, and client focus. Define the services you need, project goals, and budget to begin narrowing your choices. If you need help creating a shortlist, tell us about your project and receive personalized recommendations.

List of the Best App Development Companies in The Emerald City

Seattle, WA
50 - 249 employees
$25,000+
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Midsize artificial intelligence company and application development company Master of Code Global, is located in Redwood City, California; Winnipeg, Canada; Cherkasy, Ukraine and Kyiv, Ukraine. Their services include Artificial Intelligence and mobile app development.

Services

Mobile App Development Artificial Intelligence

Client Focus

40% Midmarket ($10M - $1B)
60% Enterprise (>$1B)
Medina, WA
10 - 49 employees
$10,000+
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Flower Press Creative Studio, LLC is an UX agency. They were launched in 2001, and their services include ux/ui design, web design, web development, custom software development, and more.

Services

Mobile App Development UX/UI Design Web Design Web Development Custom Software Development

Client Focus

30% Small Business (<$10M)
35% Midmarket ($10M - $1B)
35% Enterprise (>$1B)
Seattle, WA
10 - 49 employees
$25,000+
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Bonsai Media Group is a small web design company established in 2006. Their services include web design, digital strategy, AR/VR development, e-commerce development, and more.

Services

Mobile App Development Web Design Digital Strategy AR/VR Development E-Commerce Development

Client Focus

30% Small Business (<$10M)
60% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
Need help selecting a company?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with an analyst.

Free Consultation
Seattle, WA
10 - 49 employees
$25,000+
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UpTop is an UX design agency. They focus on ux/ui design, mobile app development, web development, and e-commerce development and are in Seattle, Washington.

Services

Mobile App Development UX/UI Design Web Development E-Commerce Development

Client Focus

20% Small Business (<$10M)
50% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Issaquah, WA
10 - 49 employees
$25,000+
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Inventive Mobile is a mobile app development firm. They are located in Seattle, Washington, and their services include mobile app development.

Services

Mobile App Development

Client Focus

40% Small Business (<$10M)
20% Midmarket ($10M - $1B)
40% Enterprise (>$1B)
Seattle, WA
2 - 9 employees
$25,000+
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Website development company Lunarbyte.io is based in Seattle, Washington. Established in 2019, the team provides web development, custom software development, and mobile app development.

Services

Mobile App Development Web Development Custom Software Development

Client Focus

50% Small Business (<$10M)
30% Midmarket ($10M - $1B)
20% Enterprise (>$1B)
Seattle, WA
10 - 49 employees
$10,000+
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Helpful Human is a website development firm founded in 2013. The team specializes in web development, custom software development, ux/ui design, mobile app development, and more.

Services

Mobile App Development Web Development Custom Software Development UX/UI Design E-Commerce Development

Client Focus

40% Small Business (<$10M)
35% Midmarket ($10M - $1B)
25% Enterprise (>$1B)
Seattle, WA
10 - 49 employees
$25,000+
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Mobile app development company Zazz was launched in 2011. The team focuses on mobile app development, ux/ui design, custom software development, enterprise app modernization, and more and is located in Seattle, Washington and San Francisco, California.

Services

Mobile App Development UX/UI Design Custom Software Development Enterprise App Modernization Mobile & App Marketing

Client Focus

30% Small Business (<$10M)
40% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Seattle, WA
2 - 9 employees
$50,000+
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Rainfall is an UX design company located in Seattle, Washington. They focus on ux/ui design, e-commerce development, graphic design, mobile app development, and more and were launched in 2016.

Services

Mobile App Development UX/UI Design E-Commerce Development Graphic Design Wearable App Development

Client Focus

85% Small Business (<$10M)
15% Midmarket ($10M - $1B)
Kirkland, WA
2 - 9 employees
$1,000+
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Application development company CASoft Seattle offers mobile app development, search engine optimization, web design, web development, and more. They are based in Kirkland, Washington.

Services

Mobile App Development Search Engine Optimization Web Design Web Development Custom Software Development

Client Focus

100% Small Business (<$10M)
Seattle, WA
2 - 9 employees
Undisclosed
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SB Develops is a small Seattle, Washington-based app development firm. Their services include mobile app development, web development, ux/ui design, web design, and more.

Services

Mobile App Development Web Development UX/UI Design E-Commerce Development Web Design

Client Focus

90% Small Business (<$10M)
10% Midmarket ($10M - $1B)
Bellevue, WA
50 - 249 employees
Undisclosed
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Located in Bellevue, Washington, WaferWire Cloud Technologies is an ERP consulting and SI company. They specialize in ERP consulting and SI, graphic design, mobile app development, IT staff augmentation, and more.

Services

Mobile App Development ERP Consulting and SI Graphic Design IT Staff Augmentation Web Design
Seattle, WA
10 - 49 employees
Undisclosed
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8ninths, an AR/VR development company, was established in 2008. The team specializes in AR/VR development, mobile app development, and web development and is in Seattle, Washington.

Services

Mobile App Development AR/VR Development Web Development

Client Focus

25% Small Business (<$10M)
25% Midmarket ($10M - $1B)
50% Enterprise (>$1B)
Seattle, WA
2 - 9 employees
$5,000+
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SWECKER is a Seattle, Washington-based web development company. Their services include web development, web design, custom software development, mobile app development, and more.

Services

Mobile App Development Web Development Web Design Custom Software Development Digital Strategy

Client Focus

60% Small Business (<$10M)
40% Midmarket ($10M - $1B)
Seattle, WA
2 - 9 employees
Undisclosed
Visit Site
Ministry of Product is a mobile application development firm. The Seattle, Washington-based team focuses on mobile app development, web development, and ux/ui design.

Services

Mobile App Development Web Development UX/UI Design
Seattle, WA
50 - 249 employees
Undisclosed
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UX design agency Smashing Ideas is based in Seattle, Washington. They specialize in ux/ui design, IT strategy consulting, mobile app development, custom software development, and more.

Services

Mobile App Development UX/UI Design IT Strategy Consulting Custom Software Development Web Design
Seattle, WA
250 - 999 employees
Undisclosed
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Projekt202 is a midsize custom software development firm in Addison, Texas; Austin, Texas; Seattle, Washington and San Francisco, California. The team specializes in custom software development, ux/ui design, mobile app development, web development, and more.

Services

Mobile App Development Custom Software Development UX/UI Design Web Development Web Design
Kirkland, WA
50 - 249 employees
$25,000+
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Heaven Solutions is an IT staff augmentation company. Headquartered in Kirkland, Washington; Iași, Romania; Bensheim, Germany and Il-Gżira, Malta, the agency was established in 2005. Their services include IT staff augmentation, application testing, custom software development, web development, and more.

Services

Mobile App Development Application Testing IT Staff Augmentation Artificial Intelligence Custom Software Development

Client Focus

30% Midmarket ($10M - $1B)
70% Enterprise (>$1B)
Kirkland, WA
10 - 49 employees
$5,000+
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Founded in 2008, ITIRRA is a website development firm. The team focuses on web development, mobile app development, custom software development, BI & big data consulting & SI, and more.

Services

Mobile App Development Web Development BI & Big Data Consulting & SI Cloud Consulting & SI Custom Software Development
Tacoma, WA
2 - 9 employees
$1,000+
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Based in Tacoma, Washington, Grinev Software is a web development company. Their services include web development, web design, e-commerce development, and mobile app development.

Services

Mobile App Development Web Development Web Design E-Commerce Development
Seattle, WA
250 - 999 employees
$25,000+
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Neudesic, a big data company, is headquartered in Irvine, California; Lombard, Illinois; Irving, Texas and Denver, Colorado. Their services include BI & big data consulting & SI, custom software development, cloud consulting & SI, enterprise app modernization, and more.

Services

Mobile App Development BI & Big Data Consulting & SI Cloud Consulting & SI Custom Software Development Enterprise App Modernization

Client Focus

20% Midmarket ($10M - $1B)
80% Enterprise (>$1B)
Bothell, WA
2 - 9 employees
$1,000+
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JoDi Services is a web development company. Their team is based in Bothell, Washington. The agency provides web development, mobile app development, and web design.

Services

Mobile App Development Web Development Web Design

Client Focus

40% Small Business (<$10M)
35% Midmarket ($10M - $1B)
25% Enterprise (>$1B)
Seattle, WA
50 - 249 employees
Undisclosed
Visit Site

Midsize application development company Deloitte Digital, is in London, United Kingdom; Seattle, Washington and Melbourne, Australia. Their services include mobile app development, web design, web development, and custom software development.

Services

Mobile App Development Web Design Web Development Custom Software Development
Bothell, WA
2 - 9 employees
Undisclosed
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Based in Bothell, Washington, Ravenna is a web development company. The team focuses on web development, mobile app development, web design, and e-commerce development.

Services

Mobile App Development Web Development Web Design E-Commerce Development

Client Focus

50% Small Business (<$10M)
40% Midmarket ($10M - $1B)
10% Enterprise (>$1B)
Seattle, WA
10 - 49 employees
Undisclosed
Visit Site
Dogfish Software, a small application development company, is located in Seattle, Washington. Their services include mobile app development, ux/ui design, digital strategy, wearable app development, and more.

Services

Mobile App Development UX/UI Design Digital Strategy Wearable App Development Web Development
Bellevue, WA
10 - 49 employees
$10,000+
Visit Site
Seattle Software Developers, a software development company, is located in Bellevue, Washington; London, United Kingdom; Rome, Italy and Augsburg, Germany. They provide custom software development, web development, mobile app development, ux/ui design, and more.

Services

Mobile App Development Custom Software Development Web Development Artificial Intelligence UX/UI Design
Seattle, WA
10 - 49 employees
$1,000+
Visit Site
Moby, an user experience design company, is in Seattle, Washington. The team provides ux/ui design, mobile app development, product design, web development, and more.

Services

Mobile App Development UX/UI Design Product Design Web Development Graphic Design
Kirkland, WA
50 - 249 employees
$5,000+
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SmarTek21 is an user experience agency. The Kirkland, Washington-based agency provides ux/ui design, BI & big data consulting & SI, ECM consulting and SI, IT managed services, and more.

Services

Mobile App Development BI & Big Data Consulting & SI ECM Consulting and SI IT Managed Services UX/UI Design
Seattle, WA
10 - 49 employees
Undisclosed
Visit Site
Deloitte Digital ( Ubermind ), a small app development company, is in Seattle, Washington; , India and , Australia. The team offers mobile app development, web development, ux/ui design, and digital strategy.

Services

Mobile App Development Web Development UX/UI Design Digital Strategy
Seattle, WA
1,000 - 9,999 employees
$10,000+
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POSSIBLE, an user experience design agency, was launched in 2011. The firm provides ux/ui design, content marketing, digital strategy, mobile app development, and more.

Services

Mobile App Development Content Marketing Digital Strategy Social Media Marketing UX/UI Design

Client Focus

20% Midmarket ($10M - $1B)
80% Enterprise (>$1B)
Seattle, WA
50 - 249 employees
$100,000+
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Carbon Five, a software development company, is located in San Francisco, California; Santa Monica, California; Chattanooga, Tennessee and New York, New York. The team focuses on custom software development, mobile app development, web development, web design, and more.

Services

Mobile App Development Custom Software Development Web Development Web Design Branding

Client Focus

40% Small Business (<$10M)
30% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Seattle, WA
50 - 249 employees
$50,000+
Visit Site
Wunderman Thompson Mobile is an UX design agency. They are based in Denver, Colorado; Atlanta, Georgia; Seattle, Washington and New York, New York and have midsize team of experts. Their services include ux/ui design, mobile app development, application management & support, AR/VR development, and more.

Services

Mobile App Development UX/UI Design Application Management & Support AR/VR Development Mobile & App Marketing

Client Focus

20% Small Business (<$10M)
30% Midmarket ($10M - $1B)
50% Enterprise (>$1B)
Bellevue, WA
250 - 999 employees
$5,000+
Visit Site

Akvelon is a big data company. Their team is in Bellevue, Washington; Ivanovo, Russia and , Ukraine and specializes in BI & big data consulting & SI, cloud consulting & SI, CRM consulting and SI, unified communications consulting & SI, and more.

Services

Mobile App Development BI & Big Data Consulting & SI CRM Consulting and SI Cloud Consulting & SI Unified Communications Consulting & SI
Bellevue, WA
50 - 249 employees
$10,000+
Visit Site
Fresh Consulting is a web design agency. They were founded in 2007, and their services include web design, custom software development, mobile app development, branding, and more.

Services

Mobile App Development Web Design Custom Software Development Branding Content Marketing
Seattle, WA
250 - 999 employees
Undisclosed
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Established in 2011, Mobiquity Inc. Is a midsize IoT development company. Their team provides IoT development, ux/ui design, and mobile app development.

Services

Mobile App Development IoT Development UX/UI Design
Seattle, WA
250 - 999 employees
Undisclosed
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Pop is a branding company. They are in Seattle, Washington; , Brazil; , Costa Rica and , India and have midsize team. They specialize in branding, content marketing, mobile app development, web development, and more.

Services

Mobile App Development Branding Content Marketing Web Development Web Design
Seattle, WA
2 - 9 employees
$10,000+
Visit Site
Web design company Design Commission is in Seattle, Washington. Their services include web design, ux/ui design, mobile app development, and digital strategy.

Services

Mobile App Development Web Design UX/UI Design Digital Strategy
Seattle, WA
50 - 249 employees
$50,000+
Visit Site
Digital strategy company Substantial was launched in 2006. The midsize team focuses on digital strategy, mobile app development, web design, and web development.

Services

Mobile App Development Digital Strategy Web Design Web Development

Client Focus

20% Small Business (<$10M)
50% Midmarket ($10M - $1B)
30% Enterprise (>$1B)
Seattle, WA
250 - 999 employees
$5,000+
Visit Site
Founded in 1996, SMITH is an e-commerce development company.The team provides e-commerce development, ux/ui design, web design, branding, and more.

Services

Mobile App Development E-Commerce Development UX/UI Design Web Design Branding

Client Focus

40% Midmarket ($10M - $1B)
60% Enterprise (>$1B)
Redmond, WA
50 - 249 employees
$5,000+
Visit Site
Citizen, Inc. Is an UX company. Established in 2005, the team offers ux/ui design, mobile app development, web development, digital strategy, and more.

Services

Mobile App Development UX/UI Design Web Development Digital Strategy Video Production
Bellevue, WA
2 - 9 employees
$5,000+
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Visualscope, an e-commerce development firm, was founded in 2001. They provides e-commerce development, search engine optimization, web design, web development, and more.

Services

Mobile App Development E-Commerce Development Search Engine Optimization Web Design Web Development
Seattle, WA
250 - 999 employees
$10,000+
Visit Site
SmartOSC is an e-commerce development firm. Based in Hanoi, Vietnam; Melbourne, Australia; Seattle, Washington and Singapore, Singapore, their team offers e-commerce development, mobile app development, and web development.

Services

Mobile App Development E-Commerce Development Web Development

Client Focus

40% Midmarket ($10M - $1B)
60% Enterprise (>$1B)
Seattle, WA
2 - 9 employees
$10,000+
Visit Site
Web design company Sandcastle Web Design and Development was launched in 1998. The small team offers web design, custom software development, e-commerce development, and mobile app development.

Services

Mobile App Development Web Design Custom Software Development E-Commerce Development
Seattle, WA
10 - 49 employees
$10,000+
Visit Site
Palador, a software development company, was established in 2005. They provides custom software development, enterprise app modernization, ux/ui design, web development, and more.

Services

Mobile App Development Custom Software Development Enterprise App Modernization UX/UI Design Web Development

Client Focus

10% Small Business (<$10M)
50% Midmarket ($10M - $1B)
40% Enterprise (>$1B)
Seattle, WA
2 - 9 employees
Undisclosed
Visit Site
Branding firm Blank Space LLC was established in 2006. The agency offers branding, graphic design, mobile app development, print design, and more.

Services

Mobile App Development Branding Graphic Design Print Design Web Design
Seattle, WA
2 - 9 employees
Undisclosed
Visit Site
Red Dragon Web Media is a mobile app development company headquartered in Seattle, Washington. The team specializes in mobile app development, search engine optimization, web design, and web development.

Services

Mobile App Development Search Engine Optimization Web Design Web Development
Seattle, WA
10 - 49 employees
Undisclosed
Visit Site
Saykara is a small artificial intelligence firm. Founded in 2015, the team provides Artificial Intelligence and mobile app development.

Services

Mobile App Development Artificial Intelligence
Bellevue, WA
50 - 249 employees
$25,000+
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Headquartered in Bellevue, Washington and Wellington, New Zealand, Provoke Solutions is a software development firm. The team specializes in custom software development, enterprise app modernization, ux/ui design, Artificial Intelligence, and more.

Services

Mobile App Development Custom Software Development Application Management & Support Artificial Intelligence Enterprise App Modernization
Tacoma, WA
10 - 49 employees
$5,000+
Visit Site
M Agency, an advertising company, is located in Tacoma, Washington. They focus on advertising, branding, content marketing, graphic design, and more and were established in 2009.

Services

Mobile App Development Advertising Branding Content Marketing Graphic Design
Need help selecting a company?

Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with an analyst.

Free Consultation