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.
Ecommerce engineering agency for Adobe Commerce (Magento), Shopify Plus, SFCC, Medusa and Shopware. B2B portals, ERP integration (SAP, NetSuite, Dynamics), replatforming, rescue of failing builds, team extension. Adobe Commerce Silver, Hyvä Bronze Partner. Est. 2009, 200+ engineers, Europe and US...
Top Services:
- eCommerce Development
- Web Development
- Mobile App Development
- Software Testing
- Cloud Consulting
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 20 Projects Listed
Guiding and helping businesses worldwide build solutions that sell. Genetech is an award-winning custom software development company with almost 2 decades of experience in delivering top-notch tech services, including AI, IoT, Intelligent Apps, Cyber Security, and Tech Talent...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Staff Augmentation
- Cybersecurity
- Show more
- Location
- Ann Arbor, Michigan
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 34 Projects Listed
AI-Powered Web & Mobile App Development Company...
Top Services:
- Mobile App Development
- Software Development
- VR/AR
- AI Development
- IoT
- Show more
- Location
- Sheridan, Wyoming
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 41 Projects Listed
M TECHUB LLC
VerifiedVerified by the DesignRush team for authenticity and credibility.M TECHUB LLC Leading Mobile App Development & Staff Augmentation Company in the USA...
Top Services:
- Mobile App Development
- Software Development
- Staff Augmentation
- AI Development
- Web Development
- Show more
- Location
- Mountain View, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $45/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 25 Projects Listed
With over 9+ years of experience and 1000+ happy clients, we commit ourselves to your growth. Our team of 85+ of digital marketing experts has delivered:1. 493.37% Increase In Conversions2. 140.91% Increase In Purchases3. 702.60% Increase In Conversion Value4. 180.50% Increase In New Users...
Top Services:
- Digital Marketing
- Public Relations
- IT Services
- UI/UX Design
- Software Testing
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 32 Projects Listed
iVelopment delivers cutting-edge IT solutions that drive business success. With a focus on personalized service and innovative technologies, we provide tailored software development, systems integration, and IT staffing to help companies stay ahead in a rapidly evolving digital landscape...
Top Services:
- Graphic Design
- Logo Design
- Web Design
- Web Development
- WordPress Website Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- Under 49
- Portfolios Count
- 4 Projects Listed
DigitalSuits is a full-cycle ecommerce agency with a focus on Shopify development and extensive expertise in AI development, web development, and custom software development...
Top Services:
- eCommerce Development
- Software Development
- Web Development
- Web Design
- Staff Augmentation
- Show more
- Location
- Miami, Florida
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
At RichestSoft, we don't just build apps; we create seamless digital experiences that automate businesses. As a leading Mobile App and Web Development Company, we partner with visionary companies to bring their ideas to life, blending their vision with our cutting-edge technical expertise to spark future...
Top Services:
- Mobile App Development
- Web Development
- Software Development
- Software Testing
- AI Development
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 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
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
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
We are an Affordable Digital Marketing Agency in Shawnee with budget-friendly solutions to amplify your brand. RevoluteX Digital: Your digital success catalyst! Specializing in Google marketing, website development, and social media magic, we craft online experiences that captivate and strategies that...
Top Services:
- Digital Services
- Web Design
- WordPress Website Design
- Digital Marketing
- SEO
- Show more
- Location
- Shawnee, Kansas
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Mission-critical software engineering firm in Cincinnati, OH. Founded by an active firefighter and paramedic from the NYC 911 system. We build custom software, mobile apps, and AI platforms for organizations where system failure is not an option...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- WordPress Website Design
- eCommerce Development
- Show more
- Location
- Cincinnati, Ohio
- Number of Employees
- Under 49
- Portfolios Count
- 3 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
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
A Texas-based AI engineering company helping mid-market businesses move AI agents from pilot to production. Built for the AI-native era of enterprise technology, we connect every zone of your business sales, service, data, operations into a single AI system that gets sharper the more it runs...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Big Data Analytics
- ERP Consulting
- Show more
- Location
- Cedar Park, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 6 Projects Listed
One of the top Cyber Security providers, Web Development Services, App Development Services, UI/UX Services, and Software Testing Services...
Top Services:
- Branding
- Web Design
- Web Development
- IoT
- Software Testing
- Show more
- Location
- Bakersfield, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $13/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project 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
We are here to make the world of e-commerce a better place with our knowledge, innovation & dedication.At Mageplaza, we're not just another tech company. We're your dedicated partner in crafting amazing online shopping experiences...
Top Services:
- eCommerce Development
- Web Development
- Managed Services
- Web Design
- Mobile App Development
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 7 Projects Listed
Codiste is a leading IT services provider that specializes in advanced technologies, including AI,ML,Blockchian and NFT Development, Metaverse, AR/VR Development with Crypto Development. Our Team of experts are highly skilled professionals is committed to delivering innovative and customised solution to meet...
Top Services:
- AI Development
- Blockchain
- VR/AR
- Software Development
- Mobile App Development
- Show more
- Location
- Northridge, Ohio
- Number of Employees
- Under 49
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
NextStack is a software development agency, with 10 years of experience in helping Startups and SMEs to establish and expand their business by digitalizing their processes...
Top Services:
- Mobile App Development
- eCommerce Development
- AI Development
- Software Development
- DevOps Consulting
- Show more
- Location
- Wyoming, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $30/hr
- Portfolios Count
- 5 Projects Listed
Enterprises with AI, Data & Digital EngineeringGEGNAT is a global technology consulting and software engineering company specializing in Artificial Intelligence, Data Engineering, Master Data Management (MDM), Cloud Platforms, and Enterprise Digital Transformation...
Top Services:
- Web Development
- eCommerce Development
- SEO
- AI Development
- Mobile App Development
- Show more
- Location
- Albuquerque, New Mexico
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Helping Texas businesses grow with fast, mobile-friendly websites. Based in Cedar Park, TX. We build websites that work, optimize them for visibility, and implement strategies that increase sales and drive measurable business growth...
Top Services:
- Web Design
- Web Development
- Social Media Marketing
- SEO
- Content Marketing
- Show more
- Location
- Cedar Park, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $10/hr
- Portfolios Count
- 1 Project Listed
At MOSTECHLABS, we dont just offer services; we craft experiences. Whether youre a startup with big dreams or an established enterprise seeking to amplify your online presence, our team of digital mavens is here to turn your vision into reality...
Top Services:
- Graphic Design
- Creative Services
- Web Design
- WordPress Website Design
- Web Development
- Show more
- Location
- Scranton, Pennsylvania
- Number of Employees
- Under 49
- Average Hourly Rate
- $22/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
KnubiSoft delivers bespoke software and MVP-development services, helping businesses and startups transform ideas into scalable web and mobile products with clean architecture and full-stack support...
Top Services:
- Software Development
- Software Testing
- Mobile App Development
- AI Development
- UI/UX Design
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
We combine deep engineering expertise with AI, cloud, data, and modern software practices to build solutions that solve real business challenges. With flexible engagement models and experienced teams, we work closely with clients from strategy and design through development, launch, and ongoing optimization...
Top Services:
- Creative Services
- Product Design
- Digital Strategy
- Digital Services
- Web Development
- Show more
- Location
- Astoria, Oregon
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
Mindera Software Craft specializes in crafting robust IoT solutions through high-performance, scalable software systems. From product development and performance testing to technology consultancy, we provide end-to-end services tailored to your needs...
Top Services:
- Software Development
- Software Testing
- IoT
- DevOps Consulting
- UI/UX Design
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $50,000 & Up
Our custom software development firm helps companies to fulfill their ambitions and create profitable digital products for business improvements...
Top Services:
- Web Design
- Web Development
- Software Testing
- Mobile App Development
- Software Development
- Show more
- Location
- Philadelphia, Pennsylvania
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
Acquaint Softtech is an Official Laravel Partner with 15+ years of experience in software development. We specialize in Laravel solutions and excel in IT staff augmentation, remote development teams and outsourcing to deliver scalable, best results...
Top Services:
- Staff Augmentation
- IT Services
- Web Development
- eCommerce Development
- Mobile App Development
- Show more
- Location
- Highland, California
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
Comptivia Technologies is a global IT Services and Consulting company headquarters in New Jersey USA. We work with leading companies to deliver services and technologies at scale, accelerate digital operations, develop innovative applications, and drive efficiencies throughout their organization...
Top Services:
- Web Design
- AI Development
- Software Testing
- Software Development
- Big Data Analytics
- Show more
- Location
- Montville, New Jersey
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $70/hr
SMK Ventures is an India-based IT services company delivering modern web development, custom software solutions, API development, and digital solutions for businesses worldwide. We focus on reliable, scalable, and cost-effective technology tailored to each clients needs...
Top Services:
- Digital Services
- Graphic Design
- Web Development
- Web Design
- UI/UX Design
- Show more
- Location
- Texas, Kentucky
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project Listed
DevGinix is a software development company that helps businesses build, scale, and optimize digital products through custom software, web development, mobile applications, cloud solutions, and digital transformation services. With a team of development professionals and experience across industries such as...
Top Services:
- Mobile App Development
- Software Development
- Wearables
- AI Development
- Software Testing
- Show more
- Location
- Valley Stream, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
We help midsize to enterprise organizations stay secure with manual penetration testing and any company needing compliance-driven penetration testing for PCI DSS, HIPAA, SOC 2, CMMC, or similar frameworks...
Top Services:
- DevOps Consulting
- IT Services
- Cybersecurity
- IT Compliance Solution
- Software Testing
- Show more
- Location
- Atlanta, Georgia
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $200/hr
- Minimal Budget
- $1,000 - $10,000
We are a full-service digital agency focused on helping businesses grow through innovation, creativity, and technology. From strategy to implementation, we work closely with our clients to deliver measurable results and long-term success in the digital world...
Top Services:
- Web Design
- Web Development
- eCommerce Development
- WordPress Website Design
- Software Development
- Show more
- Location
- Miami, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
TechConnect USA is a custom software development and IT consulting firm based in Mount Vernon, Illinois. We work with founders, CTOs, product leaders, and operations teams to design, build, and ship software that moves the business forward...
Top Services:
- AI Development
- Software Development
- Web Development
- Mobile App Development
- Web Design
- Show more
- Location
- Mount Vernon, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- Under $1,000
XpertPrime LLC is a US-based Zoho implementation partner and custom software development firm. We specialize in Zoho CRM, Zoho One, Zoho Creator, and full-suite ERP implementations for businesses across the United States, Canada, and New Zealand. With a 45+ engineer team and Zoho partner status, we deliver...
Top Services:
- Design Services
- Product Design
- eCommerce Development
- Digital Marketing
- Software Development
- Show more
- Location
- Dayton, Ohio
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
DLYMI is a full-service, collaborative, human-centered design studio. We work with clients from vision through execution and release. We are your partner in creating thoughtful digital experiences that have a responsible impact on the world while delivering on business goals and customer value...
Top Services:
- Design Services
- Product Design
- UI/UX Design
- Web Development
- Mobile App Development
- Show more
- Location
- Denver, Colorado
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
Next Hire Inc. is a premier remote staffing partner that connects businesses with pre-vetted global talent in under 48 hours. Specializing in IT, AI, and digital marketing, we eliminate the friction of traditional hiring by providing instant access to the top 3% of professionals. Our model is built on trust...
Top Services:
- Digital Services
- Graphic Design
- Web Design
- Web Development
- Social Media Marketing
- Show more
- Location
- Las Vegas, Nevada
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $1,000 - $10,000
MoonSofts helps startups and growing businesses turn ideas into reliable software products, from MVP development to scalable web, mobile, AI, and SaaS solutions. We focus on speed, trust, and long-term partnership, not just code delivery...
Top Services:
- Digital Services
- Web Design
- UI/UX Design
- eCommerce Development
- Web Development
- Show more
- Location
- Minneapolis, Minnesota
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/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
Avekshaa Technologies is a leading provider of Performance, Availability, Scalability, and Security (P-A-S-S) assurance solutions for enterprise IT systems. Since 2010, we've helped over 60 large businesses across industries ensure their mission-critical applications run efficiently and reliably...
Top Services:
- Software Testing
- Cloud Consulting
- IT Services
- Big Data Analytics
- Software Development
- Show more
- Location
- Newark, Delaware
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $10/hr
Born in 2013, Destm has honed its craft, becoming a trusted software consulting partner for businesses across industries. We don't just build, we transform, with a special focus on propelling e-commerce giants to new heights. We speak your language: React, Next.js, Python, Java & more. Your vision is our...
Top Services:
- Creative Services
- Web Design
- eCommerce Development
- Web Development
- WordPress Website Design
- Show more
- Location
- New York City, New York
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
Established: 2004 - This makes us more than 21 years old! And trust us when we say that, in the IT industry, that's like a lot!...
Top Services:
- Web Development
- Graphic Design
- eCommerce Development
- WordPress Website Design
- AI Development
- Show more
- Location
- Frisco, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $18/hr
Metatech Official is a Mobile App Development Company in Pakistan delivering custom Android, iOS, and cross-platform applications for startups, SMEs, and enterprises. Our services include UI/UX design, backend development, API integrations, testing, and support. We also build ecommerce, fintech, healthcare...
Top Services:
- Mobile App Development
- Blockchain
- Software Development
- AI Development
- IoT
- Show more
- Location
- Houston, Texas
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $49/hr
- Minimal Budget
- $1,000 - $10,000
RobLinx is an esteemed tech company based in Ahmedabad, Gujarat, known for its excellence in web development, cloud-based software development, and commitment to client success...
Top Services:
- Mobile App Development
- Web Development
- eCommerce Development
- Software Development
- UI/UX Design
- Show more
- Location
- Seattle, Washington
- Number of Employees
- Under 49
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%