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.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
For over three decades, our team of talented developers from Latin America has been at the forefront of technological innovation. We specialize in Staff Nearshore Augmentation and Custom Software Development, ensuring businesses thrive in competitive markets...
Top Services:
- Staff Augmentation
- Software Development
- Software Testing
- Location
- Miami, Florida
- Number of Employees
- 500 - 999
- Minimal Budget
- $1,000 - $10,000
EliteBrains helps companies hire, verify, pay, and manage remote developers and contractors worldwide, compliantly and without setting up a local entity...
Top Services:
- Customer Support
- Software Testing
- Blockchain
- Software Development
- Mobile App Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
TelGates is an AI, Blockchain, and Web3 development company that helps businesses build modern digital solutions, including smart contracts, DeFi platforms, AI automation tools, LLM-based applications, RWA tokenization systems, and custom software products. We work with startups, enterprises, and...
Top Services:
- Blockchain
- Mobile App Development
- AI Development
- IoT
- Wearables
- Show more
- Location
- Wyoming, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
Talegen combines enterprise engineering discipline with a practical Small to Medium-sized Business lens: reduce manual work, connect the right tools, and build custom systems only where they create durable value...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- SEO
- AEO
- Show more
- Location
- York, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
Custom web and mobile application design and development...
Top Services:
- Digital Strategy
- Web Design
- UI/UX Design
- Web Development
- Software Testing
- Show more
- Location
- Springdale, Arkansas
- Number of Employees
- Under 49
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Binate is a digital transformation partner specializing in AI-powered app development and intelligent solutions for businesses of all sizes. We combine innovation with technical expertise to design user-focused applications that drive growth...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Cybersecurity
- IT Services
- Show more
- Location
- Austin, Texas
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
Rare Crew is a custom software development company with over a decade of experience. Rare Crew develops custom solutions for all kinds of business, from multinational organizations to start-ups looking to grow their business...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- IT Services
- Big Data Analytics
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Sapizon technology is leading the Software Testing company in the USA that provides various testing services as well as Augmented Reality /Virtual Reality applications. We provide extensive services and expertise in developing software solutions for small and large-sized businesses...
Top Services:
- Wearables
- Software Development
- VR/AR
- Software Testing
- Show more
- Location
- Pleasanton, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
WeCanDevelopIt builds scalable custom software and digital products for startups and businesses, combining experienced cross-functional teams, strong engineering, and full-cycle product development...
Top Services:
- Web Design
- Web Development
- Software Testing
- Mobile App Development
- Software Development
- Show more
- Location
- Franklin, Tennessee
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
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
- Show more
- 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
We are a software development company with proven competencies in providing web and mobile solutions. We are a team of tech people specialising in the business of providing quality solutions to clients across the globe...
Top Services:
- Web Development
- Web Design
- UI/UX Design
- Software Testing
- Mobile App Development
- Show more
- Location
- Elmhurst, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
SrinSoft Technologies is a global IT consulting firm focused on IBM i (AS/400) modernization and enterprise integration for mid-to-large organizations. Founded in 2005, the company helps manufacturing, logistics, retail, and finance organizations drive enterprise modernization and digital transformation...
Top Services:
- ERP Consulting
- DevOps Consulting
- IT Compliance Solution
- Cloud Consulting
- Software Testing
- Show more
- Location
- Boca Raton, Florida
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
CoVentech is more than a software development agency. It is a partner in innovation and success stories. With over 15 years of experience, CoVentech excels in software development, QA automation, and DevOps practices, driven by a shared passion for reshaping the industry...
Top Services:
- Software Development
- UI/UX Design
- Web Development
- Software Testing
- Cybersecurity
- Show more
- Location
- Sheridan, Wyoming
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
GenAI Protos is your agile AI engineering partner we deliver fully functional Generative AI prototypes in just8days, complete with expert guidance, documentation, and seamless handoff. We also provide micro advisory, On demand R&D, data engineering acceleration, and custom Edge AI development, deploying real...
Top Services:
- AI Development
- Software Development
- IT Services
- Managed Services
- Software Testing
- Show more
- Location
- California, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
We provide unmatched full-stack mobile app development services globally to a wide range of business verticals & help them enhance their market reach, growth and ROI. With Confianz Global you can hire an IOS app developer or an android app developer to work directly with your own IT team or have us build your...
Top Services:
- Mobile App Development
- Web Development
- Web Design
- WordPress Website Design
- Software Testing
- Show more
- Location
- Charlotte, North Carolina
- Number of Employees
- 50 - 99
- Minimal Budget
- $1,000 - $10,000
Stellixsoft is a 50-person enterprise software development company specializing in IoT platform development, legacy application modernization, and complex multi-tenant systems...
Top Services:
- Software Development
- Web Development
- Web Design
- AI Development
- Software Testing
- Show more
- Location
- Houston, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
At MoreBytes, we don't just build websites, we craft digital powerhouses that drive success. Our full spectrum of services includes custom web design and development, conversion-focused SEO strategies, real-time business dashboards, and intelligent automation bots...
Top Services:
- Web Development
- Web Design
- SEO
- eCommerce Development
- UI/UX Design
- Show more
- Location
- Charleston, South Carolina
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $1,000 - $10,000
Folio3 Digital Health is a healthcare-focused software development company that helps providers, payers, life sciences organizations, medical device companies, and digital health startups build secure, scalable, and compliant healthcare solutions. The company specializes in custom healthcare software, EHR/EMR...
Top Services:
- Digital Services
- Wearables
- AI Development
- Mobile App Development
- Software Development
- Show more
- Location
- San Mateo, California
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $250/hr
- Minimal Budget
- $1,000 - $10,000
At Zeta-V, every engagement is built on collaboration, innovation, and long-term partnerships. We are committed to helping our clients transform ideas into practical, high-impact digital solutions that drive sustainable growth and lasting business value. Our expertise spans digital transformation...
Top Services:
- Staff Augmentation
- IT Services
- ERP Consulting
- CRM Consulting
- Accounting
- Show more
- Location
- Orlando, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Drakos Inc. builds custom software for service businesses and operationally complex companies that have outgrown disconnected tools, spreadsheets, and generic platforms. We design and develop secure, scalable systems around the way each business actually operates from CRM and field service to workflow...
Top Services:
- Software Development
- Mobile App Development
- CRM Consulting
- ERP Consulting
- AI Development
- Show more
- Location
- Dover, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $1,000 - $10,000
We employ industry-standard security protocols and state-of-the-art technology to secure our systems and networks. This includes robust firewalls, data encryption, secure data centers, and stringent access controls. We regularly update our security infrastructure to stay ahead of emerging threats and...
Top Services:
- Mobile App Development
- DevOps Consulting
- eCommerce Development
- Web Design
- AI Development
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Dev Centre House Ireland is a leading software development company in Ireland, delivering bespoke AI, web, mobile, and blockchain solutions across tech. Our local team and 100+ engineers help Norwegian enterprises build scalable, cutting-edge digital products...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- Cloud Consulting
- DevOps Consulting
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $29/hr
- Minimal Budget
- $1,000 - $10,000
Web Design and Development Company...
Top Services:
- UI/UX Design
- Web Development
- Mobile App Development
- IT Services
- Web Design
- Show more
- Location
- Saddle River, New Jersey
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
The Demski Group is a full-stack mobile and web development firm that creates beautiful, engaging, state-of-the-art applications and designs to help businesses grow and succeed...
Top Services:
- Mobile App Development
- Software Development
- IoT
- AI Development
- VR/AR
- Show more
- Location
- Olean, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $1,000 - $10,000
A trusted partner in software engineering and staff augmentation, delivering scalable products with a focus on quality over quantity. We provide comprehensive IT solutions tailored to your business needs...
Top Services:
- Web Development
- Staff Augmentation
- UI/UX Design
- Mobile App Development
- Software Development
- Show more
- Location
- Bronx, Idaho
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
LoudFace is a full-stack organic growth agency for B2B SaaS and fintech, with AI visibility measured per engine. We run GEO, SEO, AEO, content, and conversion to get companies discovered across Google and AI search. We implement across your stack when the program needs it...
Top Services:
- Branding
- Design Services
- Digital Strategy
- Web Development
- AEO
- Show more
- Location
- San Francisco, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
KNDCODE delivers quick and easy access to custom-tailored technology solutions, nearshore services and team augmentation that multiply organizational efficiency, and maximize usability...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Web Development
- UI/UX Design
- Show more
- Location
- Carmel, Indiana
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
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
Divogue is an AI engineer staff augmentation company that places pre-vetted, AI-fluent engineers from LATAM and APAC with US tech teams in under 14 days. Every engineer is screened for fluency in modern AI tools like Cursor, Claude, and Copilot, works in full overlap with US business hours, and costs roughly...
Top Services:
- Staff Augmentation
- AI Development
- Mobile App Development
- Software Development
- Web Development
- Show more
- Location
- Wyoming, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
DataCouch is a global AI capability partner delivering AI consulting, enterprise training, managed services, and TrustedAI solutions for Fortune 500 organizations worldwide...
Top Services:
- Big Data Analytics
- Cloud Consulting
- DevOps Consulting
- IT Services
- AI Development
- Show more
- Location
- Cheyenne, Wyoming
- Number of Employees
- Under 49
- Average Hourly Rate
- $99/hr
- Minimal Budget
- $1,000 - $10,000
Sigosoft is a technology company specializing in AI-powered web and mobile application development designed to help businesses innovate and scale in the digital era. With over a decade of experience and more than 200 digital solutions delivered across 30+ countries, the company focuses on building...
Top Services:
- Web Design
- UI/UX Design
- eCommerce Development
- Web Development
- Software Testing
- Show more
- Location
- Oak Park, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
We craft animated, interactive websites powered by 3D visuals, motion and modern development, helping brands stand out with immersive digital experiences. We help turn your initial idea into a high-quality, custom mobile solution designed to support and accelerate your growth...
Top Services:
- Mobile App Development
- Web Development
- Web Design
- Design Services
- Software Testing
- Show more
- Location
- Henderson, Nevada
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
Aress Software is a global IT services and software development company that delivers custom digital solutions for businesses worldwide. With over 25 years of experience, it specializes in software development, cloud computing, DevOps, AI & data engineering, cybersecurity, and 24/7 managed IT support...
Top Services:
- Software Development
- Cybersecurity
- IT Services
- CRM Consulting
- Cloud Consulting
- Show more
- Location
- Woburn, Massachusetts
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Software Testing Companies by City
Software Testing Companies by State
Popular Services
Hiring Guide: How to Choose the Best Software Testing Company in the US
What do the best software testing companies in the US do for businesses?
They help businesses reduce release risks, enhance user experience, and strengthen security posture by ensuring that the finished solution meets industry and business-specific standards.
In fact, research found that fixing bugs before product release results in 6.5x less cost than resolving the issue after launch.
Moreover, automating load and performance tests can accelerate the regression testing timeline by up to 90%.
Gartner’s study also found that the top reasons that organizations use automated testing are to improve product quality (60%), accelerate deployment speed (58%), and enhance department agility (41%).
How to choose the best company for your business?
To choose the best US software testing company for your business, evaluate its expertise and experience against your requirements. Here are some steps to guide you:
- Define testing requirements
Outline current software issues, testing goals and priorities, project scope, compliance requirements, budget, and timeline. - Search for relevant experience
Evaluate case studies and client references to find a company familiar with your industry-specific requirements, tech stack, and testing coverage and methodology. - Conduct due diligence
Assess the company’s certifications, vendor partnerships, awards and recognitions, and client reviews to confirm it’s trustworthy and credible. - Issue a request for proposal (RFP)
Provide a detailed project brief illustrating your business's current predicaments, so that the company can provide an accurate quote that aligns with your needs. - Schedule a consultation
Meet the team who’ll work on your project and request sample reports or pilot tests to further gauge project fit. - Make your decisions
Beyond technical proficiency, select an agency that aligns with your values and is capable of supporting your growing needs with flexible team sizes and service levels.
Need help finding a US software testing company? Visit our Marketplace and submit your project brief. We’ll connect you with the most suitable companies — free of charge.
What questions should you ask a US software testing firm before hiring?
Before hiring a US software testing firm, consider asking these questions:
Relevant Background
- How familiar are you with our industry-specific requirements? What deliverables can you provide to help us comply with the regulations?
- Can you share projects similar to our testing coverage, methodology, and criteria?
- What testing tools and frameworks do you use?
Services and Processes
- What is your software testing process — from discovery and planning to execution and reporting?
- How will you set up/manage test environments and test data?
- How do you balance manual vs automated testing? What are your criteria for automating tests?
- How do you handle access control, credentials, and confidentiality?
Relevant to Your Project
- What test types do you recommend for us, and why?
- What are your SLAs for triage, retesting, and regression after fixes?
- How do you measure quality and progress (coverage, defect trends, escape rate, release readiness)?
What are common mistakes to avoid when hiring a software testing agency?
Selecting the right testing partner requires careful evaluation beyond surface-level factors.
Common mistakes include:
- Choosing based solely on cost: The cheapest option often leads to lower quality, missed defects, and costly rework. Organizations should evaluate "results per dollar" rather than "hours per dollar."
- Failing to define requirements clearly: Vague project scopes lead to miscommunication, scope creep, and budget overruns. Clear documentation of testing objectives, success criteria, and testing entrance and exit criteria is essential.
- Underestimating testing needs: Setting up additional testing environments and infrastructures beyond the agreed scope leads to longer project timelines and higher fees. One way to avoid this is to ask the company to conduct audits, so you can more clearly define the testing needs and strategies.
- Neglecting long-term maintenance planning: Testing isn’t a one-time launch task. Without ongoing QA as the product changes, defects and security gaps reach users and become far more expensive to fix after release.
- Ignoring communication and cultural fit: Testing teams need to integrate with development workflows. Time zone differences and communication barriers can impact collaboration quality.
When asked about the most significant challenges to automated software testing deployment, struggles with implementation (36%), automation skill gaps (34%), and high upfront costs (34%) were among the most commonly reported.
How to evaluate the effectiveness of a US software testing firm?
Per the State of Testing Report, these are the most common metrics businesses are using to measure a software testing team’s effectiveness:
- Test coverage (56%): Compares how much of the software has been tested to determine the thoroughness of the testing process.
- Defect metrics (54%): Measures the number of identified defects, organizes them according to severity, and the rate at which they’re identified.
- Test execution metrics (45%): Monitors the speed, progress, and outcomes of running tests through test execution rate, test pass/fail/block percentage, and cycle time.
- Escaping defects rate (34%): Tracks the percentage of defects or issues identified after a software has been released.
- Test effectiveness metrics (25%): Identifies testing process performance in identifying defects and ensuring product quality before launch.
- Test economics (8%): Determines if the business maximizes the return on investment (ROI) of software testing.
Sources
DesignRush sustains a directory of over 40,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:
- Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
- The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.
Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.
Why companies trust DesignRush
Every agency is independently vetted before it can be listed or ranked
4.8
4.8Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.
FAQs for Software Testing Companies
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 | 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%