Our directory is designed to help you find the right software testing company in the USA, based on five ranking criteria, expert review, and 1,300 verified client reviews.
Discover the Best Software Testing Companies in the US
12 Companies-Rankings updated: September 07, 2026
DesignRush evaluates software testing agencies for QA expertise, testing processes, and verified client reviews to support confident decision-making. Some placements may be paid partnerships.
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Goosebelt is a premier software company specializing in custom software development and software outsourcing solutions. Our dedicated team of experts harnesses cutting-edge technology and innovative strategies to deliver tailor-made software solutions that drive business growth and efficiency...
Top Services:
Software Testing
Mobile App Development
Software Development
UI/UX Design
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Location
Orlando, Florida
Number of Employees
Under 49
Average Hourly Rate
$20/hr
Minimal Budget
$1,000 - $10,000
Goosebelt Services
Software Testing
Mobile App Development
Software Development
UI/UX Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Natural Tech House
Piensa Wines
Investment Frequency Calculator
Crandon Camp
Equinox Group
Data sourced from the agency's DesignRush profile
Goosebelt Reviews & Testimonials
Jonathan Stahura
Director of Operations at Smith Micro Software
5.0★
Cybersecurity Review from Jonathan Stahura
Goosebelt is exceptional in project management. They consistently adhere to schedules and demonstrate a commendable approach to budgeting. Our communication, primarily through email, has been smooth and efficient. Moreover, since partnering with them, we've experienced zero security breaches, which speaks to their expertise. I am thoroughly impressed with their attention to detail and clear, effective communication style.
Yann Caron
Vice President of Sales at Witbe
5.0★
Mobile App Development Review from Yann Caron
Our website became significantly more stable, with a remarkable increase in speed, thanks to their expertise. They successfully managed a large-scale migration by leveraging AWS ECS to seamlessly coordinate and automate our server and application infrastructure. The results exceeded our expectations, leaving us very proud of the outcome.
Anders Rong
Vice President Research at Dalux
5.0★
Software Testing Review from Anders Rong
We enlisted Goosebelt
to test our social networking app, Dalux, for performance issues and bugs, and they delivered exceptional results. Their team carried out comprehensive testing, identifying and fixing potential bottlenecks that could have impacted the apps performance. Thanks to Goosebelt, our app now runs flawlessly, offering a smooth user experience.
Reviews verified by DesignRush and sourced from the agency's profile
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Mile Marker is an agile development agency offering startups strategically designed custom software focused on solving your business problems. Mile Markers team includes product managers, developers, designers, QA, DevOps and more...
Top Services:
Software Development
Mobile App Development
Software Testing
UI/UX Design
Staff Augmentation
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Location
Madison, Wisconsin
Number of Employees
Under 49
Average Hourly Rate
$100/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
4 Projects Listed
Mile Marker Services
Software Development
Mobile App Development
Software Testing
UI/UX Design
Staff Augmentation
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
ToughClicks
Dayta
Rebate Bus
Data sourced from the agency's DesignRush profile
Mile Marker Reviews & Testimonials
Clay Burdelik
Founder at ToughClicks
5.0★
Software Development Review from Clay Burdelik
Mile Marker was fantastic to work with. They made a rock solid plan and executed in an agile manner ensuring our product was built to the requirements of our customers. Mile Marker's transparency and communication ensured we knew how the project was progressing and had opportunities to provide our input to help shape our product.
Having the lived experience of being founders, Mile Marker's team guided us through decision making proessess and helped to find the right balance between feature sets, security, scalability, cost, and time. Mile Marker joined customer calls to provide a technical expertise to our sales process and helped ensure our platform's security was viewed positively by Fortune 500 IT teams.
Mile Marker's highly skilled team helped expedite our business and was a key factor to our early success.
Reviews verified by DesignRush and sourced from the agency's profile
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NTSprint helps U.S. businesses accelerate growth through AI-powered software, dedicated nearshore engineering teams, and scalable cloud solutions. With 10+ years of experience and 500+ projects delivered, we provide real-time collaboration, faster delivery, and measurable business impact...
Top Services:
Software Development
AI Development
Cloud Consulting
Web Development
Mobile App Development
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Location
Bothell, Washington
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
13 Projects Listed
NTSprint LLC Services
Software Development
AI Development
Cloud Consulting
Web Development
Mobile App Development
eCommerce Development
Staff Augmentation
DevOps Consulting
Web Design
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Lexus
Microsoft
Unitii
Data sourced from the agency's DesignRush profile
NTSprint LLC Reviews & Testimonials
Leniecer Gonzalez Gandara
Review from Google
5.0★
Leniecer Gonzalez Gandara's Review Sourced from Google
I've had the pleasure of working with NTSprint for our custom web application development, and I can confidently say they exceeded all expectations. From the initial consultation to deployment, their team demonstrated exceptional professionalism, technical expertise, and genuine commitment to our project's success.
Reviews verified by DesignRush and sourced from the agency's profile
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Rubico is passionate about creating websites, web applications and mobile apps! With offices in the US and India, we are well equipped to help any business achieve its development goals!...
Top Services:
Web Development
Mobile App Development
Software Development
eCommerce Development
WordPress Website Design
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Location
Austin, Texas
Number of Employees
100 - 249
Average Hourly Rate
$49/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
14 Projects Listed
Rubico Services
Web Development
Mobile App Development
Software Development
eCommerce Development
WordPress Website Design
Web Design
IT Services
UI/UX Design
Digital Marketing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
NASA
Cru
Chick-fil-A
Gordon Conwell
Paxter
SIL
1010 Discs
Eduspire Solutions
Total Registration
University of Michigan
Data sourced from the agency's DesignRush profile
Rubico Reviews & Testimonials
Aaron Farney
Review from Google
5.0★
Aaron Farney's Review Sourced from Google
we have been working with Rubico for a couple of years now and they have been great to work with in all aspects. great value for money and high quality work product. highly recommended to anyone who is looking to rebuild their website.
Keith Zimmerman
Review from Google
5.0★
Keith Zimmerman's Review Sourced from Google
We worked with the team at Rubico on several projects over the past few years and it has been a great experience! Their customer service and commitment to the success of a project is admirable!
Steve Kahle
Review from Google
5.0★
Steve Kahle's Review Sourced from Google
Working with Rubico for years supporting large web applications and mobile projects, they continue to deliver quality work efficiently and effectively. The cost savings is also tremendous. I highly recommend the organization!
Reviews verified by DesignRush and sourced from the agency's profile
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Genesis Technologies is your one-stop IT partner, offering bespoke development, testing, DevOps, and UI/UX solutions. With 14+ years of proven expertise, 1000+ delivered projects, and a perfect Job Success Score on Upwork, we are trusted by global clients to get it right, every time...
Top Services:
Software Development
Software Testing
DevOps Consulting
Web Development
UI/UX Design
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Location
St. Louis Park, Minnesota
Number of Employees
50 - 99
Average Hourly Rate
$15/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
12 Projects Listed
Genesis Technologies Services
Software Development
Software Testing
DevOps Consulting
Web Development
UI/UX Design
eCommerce Development
Mobile App Development
WordPress Website Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Yieldify
ClearML
MRG
StackOne
Mitratech
HubPlanner
Letshego
SYD
Palmetto
Data sourced from the agency's DesignRush profile
Genesis Technologies Reviews & Testimonials
Aman Verma
Review from Google
1.0★
Aman Verma's Review Sourced from Google
The company is good, but today I attended a walk-in drive in Indore and faced several issues. Students were made to stand under the scorching sun in extremely high temperatures. They distributed only 20 tokens at a time and then imposed a 30-minute waiting period before issuing the next set of tokens. Due to the large number of participants and this inefficient token system, I didn’t even get a chance to appear for the drive. I had traveled all the way from Bhopal to Indore specifically for this opportunity, but the organizers showed no consideration for the students’ mental and physical well-being. The entire experience was exhausting and disappointing.
Do you like this personality?
Kunal Rathore
Review from Google
1.0★
Kunal Rathore's Review Sourced from Google
They post fake job openings. My interview was scheduled to be online, but they asked me to come to the office for the test and interview. I had applied for a software testing position, but in the advanced skills test, only one out of five questions was related to software testing. During the interview, nothing related to software testing was asked.
Hemant Hajare
Review from Google
1.0★
Hemant Hajare's Review Sourced from Google
Pathetic experience while interviewing with the company they just conduct fake hirings like things I have applied twice here and passed all round of interview and in last round they asks so called puzzles I have even answered 3 out of 4 still got rejection mail.
They have 20 vacancies from the begin of 2024 and they are still unable to fill these position and it's jan 2025 now you can understand what type of hiring they do.
Reviews verified by DesignRush and sourced from the agency's profile
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Testers HUB is a leading software testing and QA services company specializing in delivering high-quality testing solutions across various industries. We offer comprehensive testing services, including mobile game testing, healthcare app testing, and web app testing, ensuring your software's functionality...
Top Services:
Software Testing
UI/UX Design
Location
Delaware City, Delaware
Number of Employees
Under 49
Average Hourly Rate
$15/hr
Minimal Budget
$1,000 - $10,000
Testers HUB Services
Software Testing
UI/UX Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Scalater is a team with a win-win philosophy, so we'll help you get the most out of your Shopify store. We've helped other companies achieve six-figure profits; it's time to scale...
Top Services:
eCommerce Development
Web Development
WordPress Website Design
Web Design
Branding
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Location
Austin, Texas
Number of Employees
Under 49
Average Hourly Rate
$70/hr
Minimal Budget
$1,000 - $10,000
Scalater Services
eCommerce Development
Web Development
WordPress Website Design
Web Design
Branding
Mobile App Development
Software Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
On-demand technology, marketing, and design specialists.
Access the necessary technology, marketing, and design expertise without the expenses and complexities of recruiting and training new staff. Promantus offers the support of seasoned specialists who seamlessly integrate into your team, assisting in new projects, technology implementations, and advancing your...
Top Services:
Software Testing
Mobile App Development
CRM Consulting
IoT
AI Development
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Location
Raleigh , North Carolina
Number of Employees
Under 49
Average Hourly Rate
$125/hr
Minimal Budget
$1,000 - $10,000
Promantus, Inc. Services
Software Testing
Mobile App Development
CRM Consulting
IoT
AI Development
Big Data Analytics
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
AI-first product engineering. From idea to production.
At Vectorium Labs, we combine deep technical expertise with bold innovation to deliver cutting-edge, AI-powered software solutions that solve real-world challenges...
Top Services:
AI Development
Software Development
Mobile App Development
Big Data Analytics
Web Development
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Location
New York City, New York
Number of Employees
50 - 99
Average Hourly Rate
$25/hr
Minimal Budget
$1,000 - $10,000
Portfolios Count
1 Project Listed
Vectorium Labs Services
AI Development
Software Development
Mobile App Development
Big Data Analytics
Web Development
eCommerce Development
Managed Services
Software Testing
Product Design
Graphic Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Empowering small business owners with the magic of software!
Software development agency based in Seattle, Washington, providing a personal touch for small business owners. We help with Custom Software Development, Mobile App Development, Web Development, Data Engineering, UI/UX Design, and IT Consulting...
Top Services:
Web Development
UI/UX Design
IT Services
Software Development
Mobile App Development
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Location
Seattle, Washington
Number of Employees
Under 49
Average Hourly Rate
$50/hr
Minimal Budget
$1,000 - $10,000
Pantrosoft Services
Web Development
UI/UX Design
IT Services
Software Development
Mobile App Development
Web Design
Software Testing
Big Data Analytics
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Povio is a company that is based in San Francisco and specializes in designing and developing digital products that make a positive impact. With over 1000 successful projects delivered and a team of over 200 skilled professionals, we have collaborated with multinational companies like VW, unicorns such as...
Top Services:
Product Design
Web Development
UI/UX Design
Mobile App Development
Web Design
Show more
Location
San Francisco, California
Number of Employees
100 - 249
Average Hourly Rate
$70/hr
Minimal Budget
$1,000 - $10,000
Povio Services
Product Design
Web Development
UI/UX Design
Mobile App Development
Web Design
AI Development
Software Development
Staff Augmentation
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
What services does a software testing company provide for your business in the United States?
They provide a comprehensive range of services designed to validate and improve software quality through systematic evaluation and advanced tooling.
Core testing services include:
Quality assurance and testing strategy: Audits software and defines testing scope, priorities, coverage, approach, and reporting.
Functional testing: Verifies that software features work according to specified business and functional requirements.
Regression testing: Detects unintended issues introduced by system changes and releases.
Performance and load testing: Measures the application’s reliability and responsiveness during peak usage.
Security testing: Identifies and resolves security vulnerabilities and tests against compliance and governance requirements.
Usability testing: Assesses user experience, interface intuitiveness, and overall accessibility of the solution.
Integration and API testing: Validates how different system components and third-party services work together.
In addition to these services, software testing companies implement a mix of manual (often for exploratory and user experience-focused scenarios) and automated (repeatable checks throughout the development cycle for speed and consistency) testing models.
How much does software testing cost?
Software testing costs about 15%-25% of the development costs or 23% of the IT budget. In terms of hourly rates, US software testing companies charge an average of $100-$250 per hour, with more complex systems or specialized tests going beyond $300/hour.
The final rate will depend on solution complexity, testing coverage, quality requirements, project timeline, and current technical debt.
Here’s how much software testing costs as a percentage of the software development budget:
Critical systems and highly regulated industries: 40%-50%
Enterprise applications: 25%-35%
Consumer-facing applications: 15%-25%
Mobile applications: 20%-30%
In practice, basic one-time testing projects, such as a website penetration test, cost approximately $5,000-$10,000.
On the other hand, continuously evolving software solutions that require regular comprehensive testing can fetch between $20,000 and $70,000+ per month.
Are there any additional costs to consider when working with US software testing agencies?
Beyond project scope, complexity, and timeline, these are additional costs to consider when working with software testing agencies in the USA:
Tooling and platform fees: Software license or subscription fees for device farms, performance testing platforms, and security scanning tools may be billed separately from the company’s overall rates.
Device/browser lab coverage: For tests that require broad compatibility coverage, costs can increase based on access to real devices, operating system versions, and browsers.
Scope growth: New testing requirements, additional integrations, new platforms (mobile/web), or expanding acceptance criteria often require a change order.
Additional test cycles: Extra rounds of re-testing and regression tests beyond what’s defined in the service level agreement (SLA) incur additional costs.
Defect remediation effort: Fixing defects is often outside the testing scope and is billed as an additional engineering or development fee.
Compliance and security deliverables: If you require additional formal evidence (e.g., audit artefacts and traceability) or expanded security testing, expect incremental charges.
How long does software testing usually take?
On average, software testing takes around 20%-40% of the total software development time. However, the final timeline will depend on infrastructure complexity, test scope and methodology, and quality requirements.
Here’s an approximate software testing timeframe based on the typical software project schedules:
Full Release Schedule
Software Testing Timeframe
Small software builds (e.g., Landing platforms)
12-24 weeks
2-4 weeks
Mid-sized builds (e.g., Fully customized mobile apps)
16-40 weeks
3-4 months
Large builds (e.g., Multi-module platforms)
36-144 weeks
6-12 months
Notably, software testing is often integrated into the software development lifecycle (SDLC). As such, it’s common to see QA and testing done in 1-2-week sprints rather than a separate stage altogether.
What industries do US software testing firms typically work with?
US software testing providers work with a wide range of industries, as all digital solutions need to be tested in some capacity. However, these are the sectors that quality assurance (QA) and testing experts work in based on the State of Testing Report 2025:
Tech: 35.2%
Finance and insurance: 16.9%
Others: 12.7%
Healthcare: 10.9%
Business and information: 4.5%
Retail: 4.1%
Marketing: 3.7%
Transportation: 3%
Government: 3%
Gaming: 2.6%
Education: 1.9%
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