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Top App Development Companies in Washington

8 of 30 app development companies ranked on evidence in the Q4 2026 edition.

Between them, the 30 app development companies on this page cover financial services (7), business services (7), eCommerce (7) and medical (7). They also list work in Latin America. 30 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

8 of 30 app development companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

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All app development companies 8 ranked SMEs 8 ranked

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Hillmann & Carr Inc
Video · Creative · Also in Oklahoma City and Oklahoma
Making media for museums, memorials and learning venues, Hillmann & Carr combines video, audio and interactive technology, with each project shaped to a client's mission and…
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Why #1: Based in Washington D.C. and Toronto, Canada · Founded 1974, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Axiom Corporation
Medical · Government
Based in Atlanta, Georgia, the management and technology consulting company Axiom Corporation has offices in the Washington, DC area and in Fort Worth, Texas.
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Why #2: Based in Atlanta, Georgia, with offices near Washington, DC and in Fort Worth, Texas · Founded 1988, as stated on its own website, read 28 Sept 2026
Not yet on record: client reviews, vetting.
Formos
Outsourcing · Also in Ho Chi Minh City and Europe
Founded in 2003, Formos is a software development company headquartered in Vancouver, Washington.
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Why #3: Based in Vancouver, Washington, USA · Founded 2003, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Savvy Apps
Mobile App Development · Web Development · Software Development · Also in United States of America
Savvy Apps is a creative agency that designs, builds and grows software for Android, iOS and the web.
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Why #4: Office in Washington · Founded 2009, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Geek Web Services
Geek Web Services LLC is a small web development company in Spokane, Washington, set up in 2010.
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Why #5 (shared): Based in Spokane, Washington · Founded 2010, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
3Advance
Mobile App Development · Web Development · UI/UX Design · Also in United States of America
3Advance is a product development company that has built applications since 2010.
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Why #5 (shared): Office in Washington · Founded 2010, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
DevelopersTroop
Consumer Products & Services · Arts, Entertainment & Music · Advertising & Marketing · Also in Auckland
DevelopersTroop is a digital agency that has offered websites, mobile apps, custom software, SEO and digital marketing since 2014.
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Why #7: Address in Washington · Founded 2014 · Team of 20+, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
DreamsToLife, LLC
Consumer Products & Services · Energy & Natural Resources · Business Services · Also in United States
Vancouver, Washington, is home to DreamsToLife, LLC, a web development firm that builds Shopify stores, including Shopify Plus enterprise builds, and works on HubSpot systems.
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Why #8: Based in Vancouver, Washington, USA · Shopify partner, as stated on its own website, read 29 Sept 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Live Typing
Web Development · UI/UX Design · E-Commerce Development · Also in United States of America
Live Typing is a web and mobile app development company with a team of around 50 people.
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On record: Based in Washington DC · Team of 50+, as stated on its own website, read 5 Oct 2026
Bit Bamboo, LLC
Cloud · Creative · DevOps
A small group of technology professionals, Bit Bamboo builds web applications for clients with unusual problems.
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bLogix
Custom Software Development · Web Development · WordPress · Also in Virginia and Carolina
bLogix is a Salesforce and business consulting firm. It concentrates on generating demand, speeding up sales and improving how operations run, and it supplies certified Salesforce…
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Blueprint Interactive
Video
Blueprint Interactive is a Washington DC digital agency that works for candidates, causes and organisations it supports.
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On record: Based in Washington DC, United States
CASoft Seattle
CASoft Seattle runs IT infrastructure for organisations and writes custom software for them.
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On record: Based in Kirkland, Washington, United States
Consensus
Advertising & Marketing · Financial Services · Business Services · Also in Latin America
Engineers drawn from Latin America are at the core of Consensus, a software and talent company.
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Consensus Group
Software Development · Software Testing · Cloud · Also in Latin America
Consensus Group runs a software engineering and talent business that recruits its developers from across Latin America.
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Dalmet Technologies LLC
Consumer Products & Services · Arts, Entertainment & Music · Financial Services
Clients come to Dalmet Technologies LLC from the Washington DC area, and its own site places the firm in Northern Virginia.
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On record: Based in Northern Virginia, near Washington DC, USA
Data Imagery
Salesforce · Automation · Also in Tacoma
Data Imagery is a small technology team in Tacoma, Washington, in the Pacific Northwest.
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On record: Based in Tacoma, Washington, USA
Drill Maps
Hardware and software for drilling crews come from Drill Maps, from a multi-GNSS RTK receiver to the apps that run it.
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On record: Based in Bellevue, Washington, United States
Equator Technologies
Mobile App Development · Hospitality & Leisure · Financial Services · Also in Coimbatore
A broad IT services firm, Equator Technologies says it serves customers from small businesses up to large enterprises, with particular attention to e-commerce applications.
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FDG Web, Inc
Arts, Entertainment & Music · Financial Services · Web Development · Also in Seattle
Just outside Seattle, Washington, FDG Web builds websites, web applications and software for clients across the United States.
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On record: Based in Everett and Seattle area, Washington, USA
Geoffrey Rose Design
Spokane, Washington, is where Geoffrey Rose Design builds websites for local businesses.
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On record: Based in Spokane, Washington
Grove Technologies
Arts, Entertainment & Music · Advertising & Marketing · Business Services
Grove Technologies provides managed IT support and cybersecurity in Washington, DC.
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On record: Based in Washington, DC, USA
Harlow Technologies
Consumer Products & Services · Arts, Entertainment & Music · Custom Software Development · Also in Harlow and Los Angeles
Harlow Technologies is a consultancy that builds custom business applications on the FileMaker and Claris platform and also provides IT support.
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Hot Pepper Studios
Video · Internet · Goals
Most of the work at Hot Pepper Studios comes from nonprofits, foundations and public bodies, and the studio builds it around a clear belief: that an organization can add a public…
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Top App Development Companies in Washington

Hillmann & Carr Inc

Axiom Corporation

Formos

Savvy Apps

Geek Web Services

3Advance

DevelopersTroop

DreamsToLife, LLC

Live Typing

Bit Bamboo, LLC

bLogix

Blueprint Interactive

CASoft Seattle

Consensus

Consensus Group

Dalmet Technologies LLC

Data Imagery

Drill Maps

Equator Technologies

FDG Web, Inc

Geoffrey Rose Design

Grove Technologies

Harlow Technologies

Hot Pepper Studios

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