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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

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Mirantis
UI/UX Design · E-Commerce Development · IT Services
Mirantis helps enterprises and telcos address key challenges with running Kubernetes on-premises with pure open-source software.
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DG1.com
UI/UX Design · E-Commerce Development · iOS App
Our mission is to disrupt an existing market that favors megacorporations capable of profiting through the massive collection, aggregation, and analysis of customer data.
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Unicsoft
Artificial Intelligence - AI · Mobile App Development · Web Development
Our team comes to work every day to help businesses and people succeed and achieve sustainable growth through personal dedication, technical expertise, and commitment to…
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Pro Vision Lab
Artificial Intelligence - AI · Mobile App Development · Web Design
We are computer vision veterans, passionate about innovations in computer vision and we've been focused in particular on real-time image processing: object detection, facial…
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Langate Software
Mobile App Development · Web Development · UI/UX Design
Langate Software is a software development company focused on building applications for the US healthcare and enterprise markets since 2001.
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IT Svit
Mobile App Development · Web Development · Web Design
IT Svit company was founded in 2005 as a provider of system configuration and Linux administration services for businesses of all sizes.
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Riskalyze
E-Commerce Development · IT Services · IT Solution
Riskalyze is the company that invented the Risk Number®, which powers the world's first Risk Alignment Platform and empowers advisors to automate client accounts with Autopilot…
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Rails Reactor
Mobile App Development · Web Development · UI/UX Design
We help firms from SMEs to Enterprise with the implementation of effective solutions using contemporary agile processes and tools to make sure their digital efforts are successful…
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IdeaSoft.io
Artificial Intelligence - AI · Mobile App Development · Web Development
Our mission is to create a more innovative world, by the collaboration of talented, motivated people, working as a team and sharing a common vision, where every member contributes…
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Astronomer
Mobile App Development · UI/UX Design · E-Commerce Development
Astronomer helps organizations adopt Apache Airflow®, the leading open-source data workflow orchestration platform that helps organizations get their data in motion.
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Springs
Mobile App Development · Web Development · Web Design
Springs is a Kyiv-based Team of experienced web & mobile developers and UI/UX designers who always eager to bring value to: every goal-oriented project for a digitally transforming…
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CodeWave - Simply Scale
E-Commerce Development · IT Solution · eCommerce
Get your site audited by our experts. The audit report will include the low-hanging fruit as well as findings that will be more difficult to implement.
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B2B Soft
Artificial Intelligence - AI · ERP Software Development · E-Commerce Development
We are widely recognized in the industry as the POS solution with the most powerful back office.
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AWWCOR, Inc.
E-Commerce Development · Web Security · IT Security
Being a multifunctional digital process center AWWCOR covers a full range of services related but not limited to building, security and supporting WFH teams.
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DocuWare
Embedded Software Development · E-Commerce Development · IT Solution
DocuWare provides digital document management and automated workflows to organizations of any size and across all major industries from manufacturing and retail to healthcare and…
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TestFort
UI/UX Design · E-Commerce Development · IT Services
We are a known leader from the software testing, QA and QC industry, a recognized and trusted partner to giants as Skype, AOL, The Huffington Post, and many others.
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TimeCamp
Web Design · UI/UX Design · E-Commerce Development
Our company creates online software for time tracking. Thanks to our products you will be able to measure the time spent on your computer automatically.
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Altium
Mobile App Development · Web Development · Web Design
Altium LLC (ASX: ALU), a global software company based in San Diego, California, is accelerating the pace of innovation through electronics.
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QAwerk
Mobile App Development · Web Development · Web Design
QAwerk is a software testing consultancy and QA outsourcing company providing high-class outsourced software testing services for top companies worldwide.
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Diebold Nixdorf
Artificial Intelligence - AI · Web Development · Web Design
Consumer behavior is changing rapidly; people are empowered, connected and expect an unprecedented level of service and convenience.
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Velvetech LLC
Web Development · Web Design · iOS App
Velvetech, LLC is a resourceful and very experienced agile software development firm out of Chicago, Illinois that facilitates innovation and growth in the mid-size market.
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Preply Inc.
UI/UX Design · E-Commerce Development · IT Services
Preply is a fast-growing ed-tech company, backed by Europe's most prominent investors.
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First Line Software
Web Development · Web Design · IT Services
First Line Software is a premier provider of custom software development, technology enablement services and consulting with a focus on cloud computing, data management, online…
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Akvelon, Inc.
Web Development · Web Design · IT Services
Akvelon is a software engineering organization focused on enabling software-centric companies to deliver on their engineering and business commitments, knowledge retention, and…
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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

Mirantis

DG1.com

Unicsoft

Pro Vision Lab

Langate Software

IT Svit

Riskalyze

Rails Reactor

IdeaSoft.io

Astronomer

Springs

CodeWave - Simply Scale

B2B Soft

AWWCOR, Inc.

DocuWare

TestFort

TimeCamp

Altium

QAwerk

Diebold Nixdorf

Velvetech LLC

Preply Inc.

First Line Software

Akvelon, Inc.

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?

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