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Top Software Development Companies in the USA

801 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.

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Between them, the 600 best-ranked of these 801 IT service providers cover web development (448), web design (377), mobile app development (270) and android (262). 577 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

CustomerXPs
Artificial Intelligence - AI · E-Commerce Development · iOS App
Harnessing the combined power of Automation, AI, Decision Sciences & Real-time Decisions, Clari5 is processing over 10 billion transactions, manages over 500 million accounts and…
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Velocity Technology Solutions
Mobile App Development · E-Commerce Development · Android
Velocity Technology Solutions is a leader in enterprise and business application services, fully- managed and protected within a virtual private, public or hybrid cloud.
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Cardinality-ai
IT Services · Software Testing · eCommerce
We at Cardinality do things differently, make your work easier and replace the mundane with moments that delight.
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Softdel
UI/UX Design · IT Services · Software Testing
Softdel helps you introduce cutting edge products in a smart and connected world.
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8K Miles Software Services Ltd.
IT Services · Big Data · Data Analytics
We started 8K Miles with the vision of creating a distributed on-demand platform, where developers and managers alike from across the globe could collaborate and execute their…
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OfficeSpace Software
IT Services · Software Testing · eCommerce
OfficeSpace Software is the smarter, easier and more efficient way to allocate and manage your space.
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My IT Education
Web Development · Web Design · UI/UX Design
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White Rabbit Intel
Artificial Intelligence - AI · ERP Software Development · Web Development
We integrate unique AI capabilities into CRM platforms, increasing sales opportunities by creating a target market profile for users, from both their current and past sales…
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Dynamic AI56
Artificial Intelligence - AI · Web Development · Web Design
“According to Forbes, 85% of business communication is repetitive, time-consuming, costly but imperative for enterprise success.
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The Meet Group
Mobile App Development · Social Media Marketing · Web Development
The Meet Group (NASDAQ: MEET) is a portfolio of mobile social entertainment apps designed to meet the universal need for human connection.
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Sunrise Systems, Inc.
Mobile App Development · Web Development · Web Design
Sunrise Systems was founded in 1990 with a clear vision to deliver world-class staffing service solutions in all labor categories, including IT consulting and solutions; all with…
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the first club : Reward the World
Web Development · Web Design · UI/UX Design
the first club™ is the first worldwide instant, digital rewards, Thank You Company, making it easy for Brands to say Thank You to Customers and Employees with rewards they love.
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NetMotion Software
iOS App · IT Services · Data Analytics
NetMotion Software accelerates business-critical applications, hybrid networks, and mobile devices.
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Uplift Inc.
E-Commerce Development · Digital Payments · eCommerce
Uplift's mission is to make travel more accessible, affordable and rewarding by enabling travel providers to offer flexible payments to their customers.
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Magnitude Software, Inc.
E-Commerce Development · Data Science · ERP
Magnitude’s transformative approach to unified application data management delivers vast operational efficiencies to business application data access, management and reporting for…
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Modern Data Analytics
IT Services · Data Analytics · eCommerce
Modern Data Analytics is a consulting firm that helps organizations maximize the value of data through modernization.
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Bulletproof Search
Social Media Marketing · Search Engine Optimization · Web Development
Bulletproof Digital provides businesses with accelerated digital marketing results through month-to-month SEO, Reputation Management, Media Buying, Web Development services.
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Hortonworks
Artificial Intelligence - AI · E-Commerce Development · IT Services
At Cloudera, we believe that data can make what is impossible today, possible tomorrow. We empower people to transform complex data into clear and actionable insights.
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Xapix
Mobile App Development · Web Development · Web Design
Xapix is powering the machine conversation. We help companies find new sources of innovation through data. Xapix automates data normalization, transformation, and integration.
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Blue J Legal
Artificial Intelligence - AI · IT Services · Machine Learning
We are a market leader in developing legal technology powered by machine learning, helping tax practitioners gain unparalleled visibility into challenging areas of law.
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Zymewire
E-Commerce Development · IT Services · Machine Learning
Zymewire is a digital sales research assistant that helps companies uncover new opportunities for sales growth without having to rely on untrustworthy analyst-populated…
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Xactly Corp
E-Commerce Development · IT Services · IoT
e help people everywhere connect and unleash their human potential through seamless, perfectly aligned incentive compensation.
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Apttus
Embedded Software Development · E-Commerce Development · Software Testing
We are in the midst of the on-demand, as-a-service economy, where enterprises must consider adopting business models that are driven by new ways to engage customers, partners, and…
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Fiorano Software
Web Development · IT Solution · Payment Solution
Founded in 1995, Silicon Valley-based Fiorano is a USA (California) Corporation, a trusted provider of Digital Business Backplane and enterprise integration middleware, high…
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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.

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

Top Software Development Companies in the USA

CustomerXPs

Velocity Technology Solutions

Cardinality-ai

Softdel

8K Miles Software Services Ltd.

OfficeSpace Software

My IT Education

White Rabbit Intel

Dynamic AI56

The Meet Group

Sunrise Systems, Inc.

the first club : Reward the World

NetMotion Software

Uplift Inc.

Magnitude Software, Inc.

Modern Data Analytics

Bulletproof Search

Hortonworks

Xapix

Blue J Legal

Zymewire

Xactly Corp

Apttus

Fiorano Software

Want to see your company here?

Get vetted

Sponsor the Software Development ranking

How many software development companies are there in the USA?

How is this ranking worked out?

What else do firms in the USA offer?

Software Development in other countries

Other services in the USA

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Navigating the Selection Process: Tips for Choosing the Right Custom Software Development Firm

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