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.
Your Digital Innovation Partner. Accelerating innovation through AI, software development, and digital transformation.At Rootstack, we help organizations build scalable digital products, modernize operations, and unlock new business opportunities through technology...
Top Services:
- Web Development
- Software Development
- Mobile App Development
- Managed Services
- Software Testing
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 42 Projects Listed
Akveo is an AI consulting and software development company, helping organizations build, modernize, and scale digital products...
Top Services:
- Mobile App Development
- AI Development
- Software Development
- Web Development
- Software Testing
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
We boost businesses with expert AI software development and web solutions, offering products and consulting across industries like automotive, IT, and healthcare etc. Partner with us to grow in the digital era using innovative technology...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Staff Augmentation
- Software Testing
- Show more
- Location
- Austin, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 17 Projects Listed
Intellectsoft builds custom software, AI solutions, and dedicated engineering teams for enterprises and fast-growing businesses across the US and UK...
Top Services:
- Software Development
- Mobile App Development
- Wearables
- Software Testing
- Blockchain
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 12 Projects Listed
Founder-led IT staff augmentation for small-mid companies. We solve problems you haven't fully scoped yet...
Top Services:
- eCommerce Development
- Software Testing
- AI Development
- Mobile App Development
- Software Development
- Show more
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 2 Projects Listed
Mangosoft is a top offshore software agency, offering web, mobile app, and enterprise development services. With a strong track record and a global presence, we have successfully delivered 250+ projects across 30+ countries. Our tailored teams of niche experts ensure optimal results, while our transparent...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Software Testing
- eCommerce Development
- Show more
- Location
- Dover, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 18 Projects Listed
With 14 years of experience, a dedicated team of 120 professionals, and an impressive 4.7 rating on Google, we specialize in building and deploying world-class IT solutions that drive results...
Top Services:
- Web Development
- Software Testing
- Mobile App Development
- Software Development
- Big Data Analytics
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Portfolios Count
- 12 Projects Listed
Our mission is to help startups and enterprises build scalable digital products through mobile app development, custom software and AI solutions, combining strong engineering, intuitive experiences and transparent delivery to create long-term business value...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Web Development
- Wearables
- Show more
- Location
- New Castle, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $16/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology...
Top Services:
- Mobile App Development
- eCommerce Development
- Software Testing
- Software Development
- UI/UX Design
- Show more
- Location
- Costa Mesa, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 2 Projects Listed
Lotus Quality Assurance (LQA) is the first independent software testing company in Vietnam. We provide software testing and QA services for clients from over 10 countries at an average customer satisfaction score of 96%...
Top Services:
- Software Testing
- Location
- Chantilly, Virginia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
CHI Software is a technology solution provider that offers a full set of software-based services from custom software development to maintenance & support. Our talented team is passionate about Generative AI, Cloud Computing, Data Engineering, and IoT. CHI's success comes from care of every client...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Web Development
- Staff Augmentation
- Show more
- Location
- Philadelphia, Pennsylvania
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 12 Projects Listed
LTS Group is a reliable Vietnam IT outsourcing company with 7+ years of experience in software development, software testing, and digital BPO...
Top Services:
- Software Development
- Mobile App Development
- Staff Augmentation
- Software Testing
- BPO
- Show more
- Location
- Chantilly, Virginia
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 8 Projects Listed
Singular is a specialized software development company that thrives on agile methodologies. We excel at leveraging Next Gen technologies, such as Flutter & FlutterFLow, to craft dynamic platforms that are remarkably adaptable, user-friendly, and high-performing...
Top Services:
- Software Development
- Web Design
- eCommerce Development
- Web Development
- UI/UX Design
- Show more
- Location
- Miami, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 13 Projects Listed
Dreamers Inc.
VerifiedVerified by the DesignRush team for authenticity and credibility.Dreamers is a research, data science, and tech consultancy that specializes in building solutions for complex problems. We are based in sunny California, but we work remotely with clients from all over the world. We're engineer-owned and operated, meaning you'll get personal attention and quick answers...
Top Services:
- AI Development
- Blockchain
- Software Development
- Mobile App Development
- Wearables
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
At Upcore Technologies, we take pride in our ability to stay ahead of the curve in the ever-evolving digital realm. Our team of experts is constantly exploring and mastering emerging technologies, enabling us to deliver cutting-edge solutions that redefine the boundaries of what's possible...
Top Services:
- UI/UX Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Mobile App Development
- Show more
- Location
- Wilmington, Delaware
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Troy Web Consulting is a trusted guide for organizations, delivering high-quality, practical software solutionscustom web apps, mobile apps, and websiteson time and on budget. We specialize in solving business challenges through custom tailored software development...
Top Services:
- Software Development
- Mobile App Development
- eCommerce Development
- AI Development
- Software Testing
- Show more
- Location
- Cohoes, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $155/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 27 Projects Listed
ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- AI Development
- IoT
- Show more
- Location
- Aliso Viejo, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
Reliqio is the development partner for founders building AI-powered B2C products. We own the technical vision end-to-end strategy, design, engineering, and the outcomes they produce...
Top Services:
- Design Services
- Digital Strategy
- Product Design
- UI/UX Design
- AI Development
- Show more
- Location
- Sheridan, Wyoming
- Number of Employees
- Under 49
- Average Hourly Rate
- $60/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 24 Projects Listed
Pranshtech Solutions Pvt Ltd. is a global, full-service IT solution company specializing in web, mobile apps, software, AI/ML, UI/UX, and QA services. We specialize in delivering cutting-edge technology services and solutions tailored to meet the unique needs of businesses across various industries...
Top Services:
- Web Development
- Software Development
- Web Design
- Graphic Design
- Digital Marketing
- Show more
- Location
- Michigan, North Dakota
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
OptraSeven builds and optimises Shopify stores for ecommerce brands custom themes, apps, and conversion-focused storefronts...
Top Services:
- eCommerce Development
- Web Development
- Web Design
- CRO
- Software Testing
- Show more
- Location
- Albuquerque, New Mexico
- Number of Employees
- Under 49
- Average Hourly Rate
- $65/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 24 Projects Listed
DeviQA is an AI-augmented software testing and QA outsourcing company founded in 2010. Its team of 300+ engineers has supported more than 300 clients across 40+ industries from high-growth startups to Fortune 500 enterprises including Abbott, Tipalti, BP, Mimecast, and Compass...
Top Services:
- Software Testing
- DevOps Consulting
- Software Development
- Web Design
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 8 Projects Listed
CodeAutomation is an Award-Wining AI Development Company based Naperville, IL...
Top Services:
- AI Development
- Web Development
- Digital Services
- eCommerce Development
- Software Testing
- Show more
- Location
- Naperville, Illinois
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $10,000 - $25,000
Our team of experts focuses on delivering top-quality services to our clients, ensuring that they receive the best results. We aim to help businesses and individuals build their online presence through effective website development, optimization, and design. Our mission is to exceed our client's expectations...
Top Services:
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Software Testing
- Show more
- Location
- California City, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Portfolios Count
- 20 Projects Listed
SoftGlaze is a WordPress studio run by Azhar Ali, a WordPress Core Contributor. You work directly with the developer: no account managers, no outsourcing. 150+ projects, 60+ WordPress sites, 20+ WooCommerce stores, 8 plugins on WordPress.org...
Top Services:
- Web Development
- WordPress Website Design
- eCommerce Development
- Web Design
- Software Development
- Show more
- Location
- Albuquerque, New Mexico
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 24 Projects Listed
Luxe Quality is a QA and software testing company founded in 2016. Since its launch, Luxe Quality has grown into a strong community of 80+ professionals. Operating globally, the company has completed more than 200 projects in diverse markets, including the USA, Canada, Australia, Singapore, and many European...
Top Services:
- Software Testing
- Graphic Design
- SEO
- Location
- McLean, Virginia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 3 Projects Listed
A full-service software development agency for startups. We build Software Products, Mobile Apps, IoT, and AI and ML products...
Top Services:
- Software Development
- AI Development
- Software Testing
- Mobile App Development
- Staff Augmentation
- Show more
- Location
- Irving, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 8 Projects Listed
The Gray Bear is an award-winning design and development agency based in the US. We are leaders in developing digital technologies like websites, mobile apps, software, and other trending technologies. Our expertise with the latest technologies enables us to deliver top-notch business solutions...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- Software Testing
- UI/UX Design
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 10 Projects Listed
XB Software is a custom software development company that helps businesses turn complex ideas, legacy systems, and even unstable AI-generated prototypes into reliable, scalable products.We specialize in building web and mobile applications, modernizing existing systems, and developing custom solutions for...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Software Testing
- Staff Augmentation
- Show more
- Location
- Reston, Virginia
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $37/hr
- Portfolios Count
- 19 Projects Listed
AI-first custom software, AI and IT services firm in McLean, VA and North Bethesda, MD, serving enterprise and government. SBA-certified EDWOSB and WOSB, CAGE 9RX92. A senior Sthenos team is accountable on every engagement, and we build a free clickable prototype before you commit...
Top Services:
- Software Development
- AI Development
- Staff Augmentation
- Mobile App Development
- Cloud Consulting
- Show more
- Location
- McLean, Virginia
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 23 Projects Listed
SoftTeco is an AI-native software engineering company helping businesses solve complex technology challenges. We combine deep engineering expertise, flexible delivery, and strong development processes to accelerate delivery, improve quality, and optimize costs...
Top Services:
- Mobile App Development
- IoT
- Software Development
- Web Development
- Software Testing
- Show more
- Location
- Wenham, Massachusetts
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 12 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
Developer Bazaar Technologies is a Top AI Development company building custom Mobile App & Software Development and specializing in building AI Solutions delivering mesurable outcome...
Top Services:
- Mobile App Development
- eCommerce Development
- Software Development
- IT Services
- Staff Augmentation
- Show more
- Location
- Fremont, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
Novacomp is a leading regional IT services company with over 25 years of experience assisting businesses in their digital transformation through solutions such as IT outsourcing, dedicated teams, IT consulting, staff augmentation, QA and software testing, app development, cloud services and more...
Top Services:
- Software Development
- Mobile App Development
- Software Testing
- IT Services
- Staff Augmentation
- Show more
- Location
- Miami, Florida
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 5 Projects Listed
At CodeSol Technologies, we are top rated digital transformation & software development company based in Austin helping local SMEs scale with confidence. As a certified local expert, we partner with business owners generating $500K$1M+ annually to modernize operations, eliminate inefficiencies, and drive...
Top Services:
- Digital Services
- Software Testing
- Software Development
- Cloud Consulting
- CRM Consulting
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 2 Projects Listed
Quest Global Technologies is a global leader in development & consultation of cutting-edge Blockchain, Metaverse, AR/VR, QA, Automation, Salesforce & Web3 advancements...
Top Services:
- Blockchain
- AI Development
- Digital Marketing
- IT Services
- Software Testing
- Show more
- Location
- Gilbert, Arizona
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 6 Projects Listed
CodeStringers helps growth-stage and small-to-mid-market companies implement, integrate, and operate Zoho-centered digital enablement solutions by combining senior executive consulting, cost-effective delivery teams, and custom software capabilities when needed...
Top Services:
- Software Development
- AI Development
- Web Development
- CRM Consulting
- ERP Consulting
- Show more
- Location
- Santa Cruz, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $50,000 & Up
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
OnPath Testing provides software testing and quality assurance services for desktop, web, mobile, and IOT applications...
Top Services:
- Software Testing
- Location
- Boulder, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Binmile is a globally recognized software engineering company that empowers businesses to excel digitally and craft successful software solutions...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Software Testing
- IT Services
- Show more
- Location
- Claymont, Delaware
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 11 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
We are a custom software development that delivers fast and cost-effective solutions. We have been in the industry for over 29 years and cater to companies of different sizes. We also take pride in our diverse portfolio. Since 1990, we have been developing apps and software...
Top Services:
- Web Design
- Software Development
- Web Development
- Mobile App Development
- IT Services
- Show more
- Location
- Allen, Texas
- Number of Employees
- Under 49
Orangesoft is a full-cycle software development partner focused on healthcare...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- IoT
- AI Development
- Show more
- Location
- San Francisco, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 11 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
Honeycomb Software is an IT Consulting and Software development company serving clients since March 2015...
Top Services:
- Software Development
- Web Development
- AI Development
- Mobile App Development
- Web Design
- Show more
- Location
- Houston, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $36/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 14 Projects Listed
SaM Solutions is a software engineering company offering a range of services, including software development, IT consulting, and quality assurance...
Top Services:
- Software Development
- Software Testing
- IoT
- AI Development
- Staff Augmentation
- Show more
- Location
- Norwood, Massachusetts
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 6 Projects Listed
First Line Software is a global AI services and technology partner helping organizations become AI-First.Since 2010, weve worked with enterprises and high-growth companies to design, build, and scale custom software and AI-driven solutions that deliver measurable business outcomes...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Staff Augmentation
- Software Testing
- Show more
- Location
- Boston, Massachusetts
- Number of Employees
- 500 - 999
- Portfolios Count
- 4 Projects Listed
Saritasa is a leading custom software development company offering a wide range of services, including mobile development, web development, AR/VR development, IoT solutions, DevOps, custom development, and database development...
Top Services:
- Software Development
- Mobile App Development
- VR/AR
- Web Development
- eCommerce Development
- Show more
- Location
- Irvine, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $130/hr
- Portfolios Count
- 5 Projects Listed
Uran Company is a development agency headquartered in Denver, Colorado, US with offices in Bulgaria and Ukraine. We create custom software solutions: custom app development, cross platform app development, integration services, AWS consulting, QA services...
Top Services:
- Web Development
- Mobile App Development
- eCommerce Development
- Software Development
- Blockchain
- Show more
- Location
- Parker, Colorado
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $75/hr
- Portfolios Count
- 16 Projects 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
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
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- 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.
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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%