Top App Development Companies in the USA

Between them, the 600 best-ranked of these 781 app development companies cover eCommerce (187), medical (160), information technology (146) and business services (141). They also list work in California, London, York and Ahmedabad. 600 of them have written a profile you can read before you get in touch.

1. 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
2. –

   

   Arramton Infotech Pvt.Ltd.

   Consumer Products & Services · Advertising & Marketing · Business Services · Also in New Delhi

   Arramton Infotech began in New Delhi and now lists offices in London, in Durham, North Carolina, and in Dubai.

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   On record: Based in London, Durham (North Carolina), Dubai; originally New Delhi, India · Project numbers stated on its own website, as stated on its own website, read 28 Sept 2026

3. –

   

   Beagle Reality Studio

   Advertising & Marketing · Creative

   Beagle Reality Studio creates AR and VR content for brands from its base in New York City.

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   On record: Based in New York City, United States · Project numbers stated on its own website, as stated on its own website, read 28 Sept 2026

4. –

   

   BinStellar Technologies Pvt. Ltd.

   Information Technology · React Native · eCommerce · Also in Calgary and Ahmedabad

   Software for startups and enterprises comes from BinStellar Technologies, a software house with teams in India and the United States.

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   On record: Based in India and the USA · Team of 120+, as stated on its own website, read 28 Sept 2026

5. –

   

   Bontouch

   Banking · Logistics · Spring · Also in Stockholm and Asia

   Bontouch is a digital product studio from Sweden that designs and builds mobile apps and digital services for large organisations, describing itself as a software startup offered…

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   On record: Office in United States · Team of 600+, as stated on its own website, read 28 Sept 2026

6. –

   

   BrainMobi

   Mobile App Development · Custom Software Development · Web Development · Also in Delhi NCR

   BrainMobi is a mobile consulting, design and development firm.

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   On record: Office in United States · Team of 100+, as stated on its own website, read 5 Oct 2026

7. –

   

   Dev Team, Inc

   Dev Team, Inc is a US firm that builds web, mobile, decentralized and big data software. Its projects often run on cloud platforms and include UX design.

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   On record: Address in United States · Project numbers stated on its own website, as stated on its own website, read 29 Sept 2026

8. –

   

   Differential

   Differential is a digital products company based in Ohio. It works with organisations on product strategy, design and development, and its services run from mobile app builds to…

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   On record: Based in Ohio · Team of 50+, as stated on its own website, read 29 Sept 2026

9. –

   

   DivsnPixel

   Advertising & Marketing · Hospitality & Leisure · Real Estate

   DivsnPixel describes itself as a brand-focused digital agency that combines graphic design, UI and UX design, and web and app development.

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   On record: Based in Aurora, IL, United States · Team of 250+, as stated on its own website, read 29 Sept 2026

10. –

    

    Elaniin

    Advertising & Marketing · Financial Services · Software Development · Also in Salvador

    Elaniin describes itself as a nearshore technology partner for North American companies.

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    On record: Based in El Salvador and Lehi, Utah · Team of 150+, as stated on its own website, read 29 Sept 2026

11. –

    

    Empeek

    Supply Chain, Logistics, and Transport · Mobile App Development · Information Technology · Also in Illinois

    From Ukraine, Empeek builds medical systems, mostly for healthcare providers in the United States.

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    On record: Address in United States · Team of 100+, as stated on its own website, read 28 Sept 2026

12. –

    

    Flatworld EDGE

    Information Technology · Financial Services · Real Estate

    Flatworld EDGE offers software development and IT consulting, working with businesses in many countries.

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    On record: Address in United States · Team of 150+, as stated on its own website, read 29 Sept 2026

13. –

    

    GlowTouch LLC

    Partners · Outsourcing · Also in Karnataka and Bangalore

    Customer experience management, back-office processing and technology staffing are the services offered by GlowTouch LLC, a business process outsourcing firm founded in Louisville,…

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    On record: Based in Louisville · Team of 1,600+, as stated on its own website, read 29 Sept 2026

14. –

    

    INEXTURE Solutions

    Supply Chain, Logistics, and Transport · Information Technology · Business Services

    Software for large organizations, from web applications and mobile apps to cloud platforms, comes from INEXTURE Solutions, which also lends dedicated developers to technology firms…

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    On record: Address in United States · Project numbers stated on its own website, as stated on its own website, read 5 Oct 2026

15. –

    

    Jahnel Group, Inc.

    Business Services · Financial Services · eCommerce

    Jahnel Group, Inc., based in Schenectady, New York, develops custom applications for clients in financial technology and other sectors.

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    On record: Based in Schenectady, New York, USA · Team of 135+, as stated on its own website, read 5 Oct 2026

16. –

    

    LARS Software Company

    Advertising & Marketing · Information Technology · eCommerce

    LARS Software Company is a software development firm headquartered in Bogotá. It builds custom software for businesses and says it has done so for more than sixteen years.

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    On record: Based in Bogotá, Miami and London · Team of 160+, as stated on its own website, read 5 Oct 2026

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    Lickability

    Consumer Products & Services · Information Technology · eCommerce

    Lickability is a software studio in New York City that designs and builds apps. Its work spans strategy, consulting, design and development.

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    On record: Based in New York City · Team of 10+, as stated on its own website, read 5 Oct 2026

18. –

    

    Live Typing

    Web Development · Web Design · UI/UX Design · 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

19. –

    

    SDI

    Mobile App Development · Web Design · iOS App · Also in United States of America

    SDI, short for Software Developers Inc., is a web and app development company with its roots in California.

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    On record: Based in California, with offices in Australia and teams in India · Team of 200+, as stated on its own website, read 5 Oct 2026

20. –

    

    29 Digitals

    Consumer Products & Services · Mobile App Development · Advertising & Marketing · Also in Australia

    A digital agency with offices in India, the United States and Australia 29 Digitals has its head office in Ahmedabad, India, with further offices in Georgia in the United States…

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    On record: Based in Ahmedabad, India, with offices in Georgia, US, and Queensland, Australia

21. –

    

    2Plus2 Partners

    Oakland consultancy providing business analysis, project management and intranet design, with a focus on higher education

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    On record: Based in Oakland, California, United States

22. –

    

    30dps

    Internet · Automation · Also in Colorado Springs and Colorado

    The people at 30dps describe their job title as growth architect, with HubSpot and artificial intelligence as their tools.

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    On record: Based in United States (team fully US-based)

23. –

    

    360 IT Guru

    Information Technology · Android · Creative

    360 IT Guru is a US-based development company that builds custom software, mobile apps and websites for businesses large and small.

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    On record: Based in United States

24. –

    

    40ParkLane,llc

    Web Design · Digital Marketing · SEO

    40ParkLane,llc is a web design and digital marketing agency in Massachusetts.

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    On record: Based in Massachusetts, United States

25. –

    

    5EI LLC

    SEO · Goals · Multi-Platform

    Virginia digital agency providing web and app development, SEO, branding, automation and managed hosting for organisations

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    On record: Based in Virginia

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