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.
Infograins Software Solutions Pvt. Ltd., established in 2013 by Ajay and Vipin Shukla, delivers innovative IT services, including blockchain solutions, mobile app development, custom software development, staff augmentation, and AI integration. Our dedicated team provides goal-oriented solutions...
Top Services:
- Mobile App Development
- Staff Augmentation
- Blockchain
- Software Development
- AI Development
- Show more
- Location
- Chicago, Illinois
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Our team of Salesforce Developers share 10+ years of experience in Salesforce Development and Salesforce Appexchange App Development, providing solutions for clients of different industries and sizes. We use our own development strategies and effective methods to build custom applications...
Top Services:
- IT Services
- CRM Consulting
- Software Development
- Mobile App Development
- Staff Augmentation
- Show more
- Location
- Austin, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 16 Projects Listed
QA Mentor is a multi-award-winning global software testing and quality assurance company headquartered in New York, with a team of 400+ QA experts. CMMI Level 3 appraised, ISO 27001, 9001, and 20000 certified. With over 100 global awards and recognitions, serving 400+ clients in 28 countries...
Top Services:
- Software Testing
- AI Development
- Staff Augmentation
- DevOps Consulting
- Managed Services
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
Global RPA Integration Leader, empowering businesses with AI-driven robots for process automation. We transform organizations of all sizes, delivering cost savings and rapid ROI. Automate tasks, maximize FTE productivity, and focus on value-added activities...
Top Services:
- Web Development
- AI Development
- Software Development
- Mobile App Development
- IT Services
- Show more
- Location
- Sheridan, Wyoming
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Liquid Technologies automates enterprise operations using AI, custom software, and data engineering. We work with healthcare, manufacturing, logistics, and regulated industries to replace manual workflows with intelligent automation...
Top Services:
- AI Development
- Software Development
- IoT
- Mobile App Development
- Software Testing
- Show more
- Location
- Houston, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 19 Projects Listed
NOVA Cloud is committed to providing cutting-edge cloud solutions meticulously customized to meet specific requirements. Our primary objective is to optimize operational efficiency, bolster resilience, and fortify data security within the dynamic landscape of the industry...
Top Services:
- Cloud Consulting
- DevOps Consulting
- Cybersecurity
- IT Compliance Solution
- IT Services
- Show more
- Location
- Ashburn, Virginia
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Build faster. Modernize smarter. Scale with the right engineering team...
Top Services:
- Web Development
- Software Development
- Mobile App Development
- AI Development
- Software Testing
- Show more
- Location
- San Francisco, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 15 Projects Listed
An ecosystem for B2B/ B2B2C websites on multiple platforms with robust technology and a customer-oriented mindset...
Top Services:
- eCommerce Development
- Web Development
- Software Development
- Web Design
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Edvantis is a data, AI & software engineering partner with over 400 talented professionals operating in Central & Eastern Europe and the USA...
Top Services:
- Software Development
- AI Development
- Big Data Analytics
- Staff Augmentation
- Mobile App Development
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Stack360 is a software development company with its team in Lahore, Pakistan. Since 2019 we have built software and placed dedicated developers for US and UK companies. Engineers are shortlisted within 2 days after four checks, a founder joins your first call, and clients own all the code...
Top Services:
- Software Development
- Staff Augmentation
- Web Development
- Mobile App Development
- AI Development
- Show more
- Location
- Houston, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 38 Projects Listed
Winklix is a digital transformation and IT consulting company delivering custom software, mobile apps, Salesforce solutions, AI development, and cloud services. We help startups and enterprises build scalable, high-performing digital solutions that drive growth and innovation...
Top Services:
- AI Development
- Mobile App Development
- Software Testing
- Software Development
- CRM Consulting
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Zealous System is an AI-powered technology partner delivering custom software, AI solutions, web and mobile apps, and enterprise platforms. As a software solutions provider, we serve startups and enterprises across healthcare, FinTech, logistics, education, manufacturing, and more...
Top Services:
- Software Development
- Product Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Show more
- Location
- Lewis Center, Ohio
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 22 Projects Listed
SoftDoes is a Kansas City custom software and AI development company that designs and builds web platforms, mobile apps, MVPs and AI automation. Written scope and price before code, 100% IP ownership, rated 5.0 on Clutch...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Web Development
- UI/UX Design
- Show more
- Location
- Kansas City, Kansas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 10 Projects Listed
Spiral Mantra is one of the leading technology solution providers with deep expertise in data engineering and advanced analytics. We started in 2021 and are grateful to have served over 150 clients across startups, and global enterprises from our registered offices in USA & India...
Top Services:
- Software Development
- DevOps Consulting
- Mobile App Development
- IT Services
- Cloud Consulting
- Show more
- Location
- Louisville, Kentucky
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $29/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 16 Projects Listed
Tabdelta is a global AI-driven software development company in New York USA delivering innovative digital solutions to startups, SMBs, and enterprises across New York and worldwide...
Top Services:
- Software Testing
- Software Development
- AI Development
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
CTGs comprehensive solutions help clients across all industries address the business, technology, and operational challenges that are escalating as the pace of change gets faster and the stakes get higher. Our solutions leverage the latest tools and methodologies to allow for greater technology and...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- IoT
- Cloud Consulting
- Show more
- Location
- Buffalo, New York
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
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
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 14 Projects Listed
NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Product Design
- Software Testing
- Show more
- Location
- Burlingame, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
Auspicious Soft is a USA-based custom software, web & mobile app development company with 8+ years of experience serving startups, SMEs & enterprises across healthcare, fintech, logistics & more...
Top Services:
- Mobile App Development
- Software Development
- Web Development
- Blockchain
- AI Development
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Waveo is an AI product studio in Irvine, CA. We design, build, and ship production AI for operations-heavy companies without an in-house AI team: AI agents and automation, computer vision, digital twins and IoT, and predictive AI. Idea to production in weeks. Real engineering, not no-code. Clients own the...
Top Services:
- AI Development
- Software Development
- IoT
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- Irvine, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
Pell Software is a 100% US based company focused on building long term, authentic partnerships. We focus on learning about your specific business needs in order to find the best software solution that will help you scale your business...
Top Services:
- Software Development
- Mobile App Development
- eCommerce Development
- Web Development
- WordPress Website Design
- Show more
- Location
- Denver, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $135/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
At Optimized Technologies Inc., leverage our 15 years of IoT expertise to access tailored end-to-end products, systems, and solutions designed to meet your unique business requirements. Experience the advantage of our specialized approach in delivering IoT solutions customized to optimize your operations...
Top Services:
- IoT
- Software Development
- Wearables
- Mobile App Development
- AI Development
- Show more
- Location
- Austin, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Universal Stream Solution (USS) is an Atlanta, Georgia-based IT solutions company established in 2013, with an office in Ahmedabad, India. We serve businesses across healthcare, oil & gas, real estate, banking & fintech, manufacturing, education and retail. Our current focus is healthcare technology...
Top Services:
- Web Development
- Mobile App Development
- Web Design
- Software Development
- Product Design
- Show more
- Location
- Atlanta, Georgia
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
At Develop Hard we help US-based fast growing tech startups, SMBs, and Digital agencies building intelligent apps...
Top Services:
- Web Design
- Web Development
- UI/UX Design
- eCommerce Development
- Software Development
- Show more
- Location
- Albuquerque, New Mexico
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 Projects Listed
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
IMANT Group is a Charlotte-based technology company that builds custom dashboards, web applications, automations, for businesses, with a focus on manufacturing, industrial, and healthcare. Our approach comes from quality control: we find the root cause before choosing a fix, document how the solution works...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- CRM Consulting
- ERP Consulting
- Show more
- Location
- Gastonia, North Carolina
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/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
Internet Soft, an IT company excels in providing state-of-the-art solutions. Our offerings include Digital Transformation, AI/ML, IoT, Banking, and Blockchain software solutions, customized to serve both B2B and B2C customers...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Blockchain
- IoT
- Show more
- Location
- San Jose, California
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
Vitek Technology LLC is a leading group of technology experts specializing in delivering innovative SaaS solutions, comprehensive project management, and strategic consulting services. Our expertise also extends to encompassing top-tier Web and App design, seamless integration solutions, and reliable hosting...
Top Services:
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Content Marketing
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- 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
Elite Virtual Employee (EVE Hire LLC) is a Global Remote Staffing Company Offering IT Staffing, Web & app development, digital marketing, payroll and vendor management services...
Top Services:
- HR Outsourcing
- Staff Augmentation
- IT Services
- Cybersecurity
- Managed Services
- Show more
- Location
- Wilmington, Delaware
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
Techsila LLC, led by an experienced CEO with 18+ years in software development, stands out for its innovation, comprehensive services, global reach, and client-centricity. We offer cutting-edge solutions spanning web and mobile app development, AI, and more. Our staffing solutions provide access to top...
Top Services:
- Mobile App Development
- Software Development
- IoT
- AI Development
- Blockchain
- Show more
- Location
- Burlington, Massachusetts
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/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
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
CXDESIGNS is your reliable digital marketing partner for the past 2 years. With a dedicated team of 10, we specialize in serving the hospitality, retail, restaurant, and online ecommerce sectors. We're not just about web design and branding strategy, we're about aligning with your goals, researching your pain...
Top Services:
- Digital Services
- Graphic Design
- Video Production
- Web Design
- UI/UX Design
- Show more
- Location
- Marietta, Georgia
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/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
Emorphis Technologies is a software development company having offices in the USA, UK, in India, offering its services for Digital transformation in enterprise mobility solutions, cloud computing services, backend development, salesforce consulting services, healthcare software development and more...
Top Services:
- Software Development
- Software Testing
- Mobile App Development
- Wearables
- IT Services
- Show more
- Location
- Broadlands, Virginia
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
Dynamisch is an AI-first technology company with 14+ years of experience helping businesses design, build, and scale intelligent digital products across AI, cloud, IoT, and product engineering...
Top Services:
- AI Development
- Blockchain
- Software Development
- VR/AR
- Mobile App Development
- Show more
- Location
- Edison, New Jersey
- Number of Employees
- 100 - 249
- 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
At QualiTlabsTM, we specialize in providing innovative software testing solutions that ensure the highest levels of software quality at the pace demanded by AI, Agile, and DevOps methodologies. Our commitment to excellence drives us to deliver exceptional digital experiences across various industries...
Top Services:
- Mobile App Development
- Software Testing
- Location
- Austin, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $14/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%