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Top Software Development Companies in the USA

67 IT service providers ranked by rating, review volume and listing quality.

Software development here means building software to order — a product, an internal system, or a replacement for something that has outgrown a spreadsheet. It spans firms that take a specification and deliver against it, and teams that work discovery-first and expect the specification to change.

The distinction worth establishing early is who owns the decisions. A supplier that builds exactly what was asked will deliver exactly what was asked, including the parts that were wrong. A partner that pushes back costs more in meetings and less in rework. Neither is better in the abstract; they suit different buyers and different projects, and the mismatch is where these engagements go wrong.

Want your company here?

Between them, the 67 IT service providers on this page cover web development (52), web design (44), mobile app development (34) and android (34). They also list work in India. 67 of them have written a profile you can read before you get in touch.

TrustList ranks more than 800 software development companies in the USA, ordered on client reviews and profile quality, never on payment. At the top right now: Blue Water, Bixlabs and Neuralab Inc..

What to check before you shortlist a software development company

A discovery or specification phase before a fixed estimate
Who is on the team, and whether they stay for the whole project
That you own the intellectual property and the source code
Testing, documentation and maintenance after release

Filter by fitbudget, engagement, size and more

BairesDev
Mobile App Development · Web Development · Web Design
BairesDev is a nearshore software development and staff augmentation company with offices in Latin America and the US.
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Fingent Corporation
Custom Software Development · Web Development · Web Design
New York software development company providing enterprise application, mobile and cloud engineering with AI-assisted delivery
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Unified Infotech
Mobile App Development · Custom Software Development · Web Development
Unified Infotech is a software and digital transformation firm with headquarters in New York and an office in Kolkata, India.
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TeliApp Corporation
Mobile App Development · Web Development · Android
TeliApp Corporation provides technology services to government bodies in New Jersey, especially municipalities. A single US-based team covers support, security and software.
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WebiNerds
Mobile App Development · Custom Software Development · Web Development
WebiNerds is a software development team that has worked with US and European clients since 2012.
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Top Notch Dezigns
Mobile App Development · Web Development · Web Design
Top Notch Dezigns is a web design and software development agency based in New York City. It also provides digital marketing, with the aim of boosting clients' brands online.
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Atharva System
Mobile App Development · Web Development · Web Design · Also in India
Atharva System is a software development company established in 2013. It acts as an offshore development partner for clients around the world.
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Seasia Infotech
Mobile App Development · Custom Software Development · Social Media Marketing
Seasia Infotech develops custom software and enterprise AI systems for businesses in many countries.
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BDIT Engineering
Mobile App Development · Custom Software Development · Web Development · Also in Serbia
BDIT Engineering is a software engineering firm headquartered in Novi Sad, with an office in San Francisco.
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AllianceTek
Custom Software Development · Web Development · Web Design
AllianceTek is a US software engineering and systems integration company. It builds mobile, cloud and web solutions, and has moved into AI and digital transformation work.
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EltexSoft, LLC
Custom Software Development · Web Development · Web Design
EltexSoft is a boutique software engineering studio headquartered in Los Angeles.
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Dayspring Technologies, Inc.
Mobile App Development · Social Media Marketing · Web Development
Dayspring Technologies, Inc. trades as Dayspring Partners, a digital consultancy founded in 1997.
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DVHB
Custom Software Development · Web Development · Web Design
DVHB is a software development studio that helps entrepreneurs build and launch products based on emerging technology.
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Make Directory Developers, LLC
Custom Software Development · Web Development · Web Design
Make Directory Developers, LLC is a software development company covering web and application work in JavaScript, PHP, CSS and HTML.
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DevTeam.Space
Custom Software Development · Web Development · Web Design
DevTeam.Space is a software development platform that assigns specialist engineering teams to client projects.
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Webtye
Mobile App Development · Custom Software Development · Web Development
Webtye is a team of creative professionals who imagine, design and build web and mobile software.
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MotionMobs, LLC
Mobile App Development · Custom Software Development · Web Development
MotionMobs, LLC is a software development and technical consulting company.
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Codism LLC
Mobile App Development · Custom Software Development · Web Development
Codism LLC is a technology company that supports businesses with Microsoft managed services, cloud security, AI work and software development.
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Themis Web Technologies, Inc.
Custom Software Development · Web Development · Web Design
Themis Web Technologies, Inc. appears now to operate as Nexeo, a digital solutions company, according to the website linked to the listing.
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Aximsoft
Mobile App Development · iOS App · Mobile Platforms
California-headquartered engineering firm providing data, AI, cloud and software development for enterprises and startups
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Tangle Solutions
Search Engine Optimization · Social Media Marketing · Web Development
Tangle Solutions is a software development and digital marketing agency.
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Starshot Software
Mobile App Development · Custom Software Development · Web Development · Also in Spain
Starshot Software builds software from concept to launch and also supplies extra developers to client teams.
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Shakuro
Mobile App Development · Web Development · Web Design
Shakuro is a product design and software development company that builds web, mobile and cross-platform products.
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OrbitSoft
Mobile App Development · Web Development · iOS App
OrbitSoft is a software company whose roots lie in internet advertising technology.
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How many software development companies are there in the USA?

801 companies on TrustList offer software development and are based in the USA. That makes the USA the largest software development market we rank.

How is this ranking worked out?

Each firm's position comes from its client reviews and its profile, blended into one score:

Rating, smoothed so a single five-star review cannot outrank a firm with hundreds of good ones
Review volume, with diminishing returns
Profile completeness: the details a buyer needs to judge the firm
Earned trust: verification and awards, as a small lift

No firm can pay for a position. Sponsored listings are labelled and shown apart from this list. How rankings work

What else do firms in the USA offer?

We also rank web development (2,396), web design (1,857) and mobile app development (1,308) in the USA.

Software Development in other countries

Other services in the USA

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Every other way we rank it service providers, by what they do and where they are.

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Everything here links back to the same verified catalogue. Pick your next stop.

Top Software Development Companies in the USA

BairesDev

Fingent Corporation

Unified Infotech

TeliApp Corporation

WebiNerds

Top Notch Dezigns

Atharva System

Seasia Infotech

BDIT Engineering

AllianceTek

EltexSoft, LLC

Dayspring Technologies, Inc.

DVHB

Make Directory Developers, LLC

DevTeam.Space

Webtye

MotionMobs, LLC

Codism LLC

Themis Web Technologies, Inc.

Aximsoft

Tangle Solutions

Starshot Software

Shakuro

OrbitSoft