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.
APPWRK IT Solutions Pvt. Ltd. is a global IT service providing company. We provide a wide range of IT services and support solutions which includes Web Development Services, Web Designing Services, APP Development and Designing, Digital Marketing for Industries like Healthcare, Education, Retail and Logistics...
Top Services:
- Web Development
- Web Design
- Software Development
- Mobile App Development
- Software Testing
- Show more
- Location
- Tampa, Florida
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $18/hr
- Portfolios Count
- 7 Projects Listed
Apriorit is a leader in smart contract development, cybersecurity services, along with advanced data management technologies. Other services offered by this IT firm include SaaS engineering, Driver development, system programming, professional reverse engineering, blockchain, AI&ML and more...
Top Services:
- Software Development
- Blockchain
- IT Services
- Cybersecurity
- Web Development
- Show more
- Location
- Lynn, Massachusetts
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 8 Projects Listed
Chetu is a global software development company delivering tailored solutions across industries. With specialized expertise in AR/VR AI technologies, Chetu empowers businesses to innovate and stay ahead in the digital landscape...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Software Testing
- DevOps Consulting
- Show more
- Location
- Sunrise, Florida
- Number of Employees
- 1000 & Up
- Portfolios Count
- 7 Projects Listed
NextGen Coding Company builds custom, cutting-edge software solutions. Our mission at NextGen Coding Company is to lead the technological revolution with innovative solutions and cutting-edge expertise. We aim to empower businesses and individuals by delivering transformative digital services in Artificial...
Top Services:
- AI Development
- Software Development
- Web Development
- Software Testing
- Blockchain
- Show more
- Location
- New York City, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $70/hr
- Portfolios Count
- 6 Projects Listed
iQuasar, a Northern Virginia tech leader with 20+ years of experience, specializes in Software Development, AI Integration, Web & App Development, Software Team Augmentation & More. We hold an A+ BBB rating, are verified on Clutch, and have a 97% Customer Satisfaction Rating by Dun & Bradstreet...
Top Services:
- Software Development
- Software Testing
- AI Development
- Mobile App Development
- Web Development
- Show more
- Location
- Sterling, Virginia
- Number of Employees
- 100 - 249
- Portfolios Count
- 5 Projects Listed
SlickDevs is a premier custom software development company specializing in transforming innovative ideas into robust, scalable applications. With a dedicated team of experts, we provide comprehensive solutions tailored to meet the unique needs of tech startups, mid-market companies, and enterprise...
Top Services:
- Mobile App Development
- Software Development
- Software Testing
- Blockchain
- IoT
- Show more
- Location
- Bellevue, Washington
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $100/hr
- Portfolios Count
- 5 Projects Listed
3AX shines as a top digital tech agency, leading in software, web development, and mobile apps. We craft strategies centered on your brand's success...
Top Services:
- Digital Services
- Web Development
- Content Marketing
- Social Media Marketing
- Software Testing
- Show more
- Location
- Indianapolis, Indiana
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 6 Projects Listed
We design and develop user-centric solutions that help companies accomplish their goals. From startups to established businesses, we work closely with our clients to understand their unique needs and create customized software that drives growth and success...
Top Services:
- Web Design
- UI/UX Design
- Mobile App Development
- Software Development
- Web Development
- Show more
- Location
- Tampa, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $55/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 9 Projects Listed
At Depth Search, we serve as your guiding force in the dynamic and ever-evolving digital landscape. Driven by a commitment to precision and innovation, we delve into the intricacies to create exceptional websites and robust mobile apps that not only fulfill your requirements but surpass your expectations. Our...
Top Services:
- Web Design
- Web Development
- UI/UX Design
- WordPress Website Design
- SEO
- Show more
- Location
- Sunny Isles Beach, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $25/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 3 Projects Listed
Most businesses know something is slow or broken. They don't know exactly what to fix, or where AI actually fits. We start there: map your processes, find the highest-ROI automations, then build, run, and help your team adopt them as your ongoing AI automation partner. Certified n8n Expert Partner, Clutch...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- CRM Consulting
- IT Services
- Show more
- Location
- Tuckahoe, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $80/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Hi there! We were expecting you!We are a nearshore software services and consulting company that partners with forward-thinking companies to achieve their business goals and accelerate growth in the digital age.We are seen as a lifelong partner for tackling any tech challenge...
Top Services:
- Software Development
- Mobile App Development
- IT Services
- UI/UX Design
- Web Development
- Show more
- Location
- Austin, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $70/hr
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project 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
NSC Software is a Vietnam-based software development and consulting company that provides senior-led engineering services to businesses seeking Western delivery standards. Its capabilities include software development, AI and machine learning, data engineering and analytics, quality assurance, technology...
Top Services:
- AI Development
- Software Development
- Big Data Analytics
- Staff Augmentation
- Software Testing
- Show more
- Location
- Texas City, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $25/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects Listed
Genesis Technologies is your one-stop IT partner, offering bespoke development, testing, DevOps, and UI/UX solutions. With 14+ years of proven expertise, 1000+ delivered projects, and a perfect Job Success Score on Upwork, we are trusted by global clients to get it right, every time...
Top Services:
- Software Development
- Software Testing
- DevOps Consulting
- Web Development
- UI/UX Design
- Show more
- Location
- St. Louis Park, Minnesota
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 12 Projects Listed
Testers HUB is a leading software testing and QA services company specializing in delivering high-quality testing solutions across various industries. We offer comprehensive testing services, including mobile game testing, healthcare app testing, and web app testing, ensuring your software's functionality...
Top Services:
- Software Testing
- UI/UX Design
- Location
- Delaware City, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $15/hr
- Minimal Budget
- $1,000 - $10,000
Oak Street Technologies is dedicated to empowering businesses by providing comprehensive IT, HR, BPO, accounting, and strategic digital marketing services. Our aim is to enhance operational efficiency and foster sustainable growth through a holistic approach...
Top Services:
- Software Development
- Web Development
- WordPress Website Design
- Web Design
- Software Testing
- Show more
- Location
- Orlando, Florida
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
Bluelight is a U.S.-headquartered nearshore software development consultancy. Bluelight provides top-tier IT talent from Latin America (and onshore) who are fluent in English, work U.S. business hours, and serve as a cost-effective alternative to U.S.-based hires...
Top Services:
- Software Development
- Software Testing
- AI Development
- Mobile App Development
- Staff Augmentation
- Show more
- Location
- Sacramento, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $10,000 - $25,000
CyberTest is an autonomous firm specializing in security testing, research, and development, providing expert consultancy services and cutting-edge tools to fortify organizations and businesses in safeguarding their assets. Our comprehensive suite of offerings aids in bolstering security measures and...
Top Services:
- Cybersecurity
- Software Testing
- Location
- Burbank, California
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
goGreenlit is a Chicago-based QA consulting agency that helps startups and growing companies build reliable software through embedded quality assurance. Founded by experienced QA engineers Muhammad Ali and Mohammad Khan, the agency integrates directly into development teams to prevent defects before release...
Top Services:
- IT Services
- Software Testing
- Location
- Skokie, Illinois
- Number of Employees
- Under 49
- Average Hourly Rate
- $85/hr
- Minimal Budget
- $1,000 - $10,000
Introducing Develoware: A game-changing catalyst for businesses. Empowering visionary leaders and their teams with state-of-the-art development tools and unparalleled integration capabilities. Embrace the power of innovation, streamline operations, and achieve unprecedented growth. Elevate your business with...
Top Services:
- Software Development
- Software Testing
- Mobile App Development
- Web Design
- Web Development
- Show more
- Location
- Groveland, Florida
- Number of Employees
- Under 49
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
TechMagic - a full-cycle development company with strong Healthtech expertise that provides end-to-end software development services to businesses.With a proven track record of 200+ successful projects, 10+ years on the market, and 300+ experts onboard, TechMagic is your trusted partner...
Top Services:
- Software Development
- Mobile App Development
- AI Development
- Cybersecurity
- IT Services
- Show more
- Location
- New York City, New York
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 5 Projects Listed
FFP is an award-winning software and app development firm specializing in turning groundbreaking ideas into powerful digital solutions. Based in NY, we help startups and established businesses bring their innovative ideas to life with cutting-edge custom solutions. Whether its mobile app development...
Top Services:
- Branding
- Design Services
- Web Design
- UI/UX Design
- Web Development
- Show more
- Location
- Levittown, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project 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
ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of...
Top Services:
- Software Development
- Mobile App Development
- Web Development
- Blockchain
- IoT
- Show more
- Location
- Los Angeles, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 7 Projects Listed
At LKICORP®, we provide expert engineering services to clients across a range of industries. Our team of skilled engineers has experience in mechanical, electrical, and environmental engineering, among others. We work closely with our clients to understand their unique needs and develop customized solutions...
Top Services:
- Mobile App Development
- Software Testing
- VR/AR
- Blockchain
- Software Development
- Show more
- Location
- Pittsburgh, Pennsylvania
- Number of Employees
- 1000 & Up
- Average Hourly Rate
- $300/hr
- Minimal Budget
- $50,000 & Up
AI-augmented software development company. Senior developers + AI-powered workflows delivering production-ready SaaS, web, mobile, AI, desktop apps, and custom Chromium browsers. For startups, growing businesses, and enterprise...
Top Services:
- Software Development
- UI/UX Design
- Web Development
- Cloud Consulting
- DevOps Consulting
- Show more
- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 4 Projects Listed
AwsQuality is a technology consulting company helping businesses design, build, and scale reliable digital solutions. We work across Salesforce, AI, Cloud, DevOps, Mobile, and Web delivering measurable outcomes through engineering quality, transparency, and long-term partnership...
Top Services:
- Web Design
- Web Development
- Mobile App Development
- AI Development
- Software Development
- Show more
- Location
- Ruston, Louisiana
- Number of Employees
- 50 - 99
- Minimal Budget
- Under $1,000
Espresso Moon is a Houston custom software company that builds AI-enabled business applications, mobile apps, and cloud platforms for B2B clients, and hosts and supports everything it delivers. We also own and operate GageList, a calibration management SaaS with AI built into the product...
Top Services:
- AI Development
- Software Development
- Mobile App Development
- Software Testing
- UI/UX Design
- Show more
- Location
- Spring, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $25,000 - $50,000
VLink is a leading software development service provider specializing in top-tier digital solutions. Focusing on innovation and excellence, we deliver tailored solutions to meet clients unique needs, ensuring agility, security, and growth in the digital era...
Top Services:
- AI Development
- Mobile App Development
- Software Development
- Software Testing
- Web Development
- Show more
- Location
- South Windsor, Connecticut
- Number of Employees
- 500 - 999
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Bestarion provides software development consultation services specializing in Healthcare Supply Chain, Financial services for the last 19+ years. We have been successful in outsourcing services and notably in Ruby on Rails, C on Linux and .NET...
Top Services:
- Software Testing
- Cloud Consulting
- Managed Services
- Web Development
- Big Data Analytics
- Show more
- Location
- Houston, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $20/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
We're a full-service software consulting firm, highly skilled in helping startups and mid-market companies execute their digital strategies in order to scale and compete within Industry 4.0...
Top Services:
- Software Testing
- Software Development
- Web Development
- UI/UX Design
- Mobile App Development
- Show more
- Location
- Tampa, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
Tempest House is a full service agency helping clients all over the world build cutting edge software with our expert team of developers, designers and managers. Rigorous QA processes, excellent communications and a commitment to meeting timelines characterises our company best...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Software Testing
- Web Development
- Show more
- Location
- Carpinteria, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 3 Projects Listed
Whipsocket is a software development consultancy in Columbia, SC that builds web and mobile applications for startups and established product teams. We combine modern coded stacks React, Next.js with AI-accelerated workflows to deliver production-ready software faster than traditional agencies, without the...
Top Services:
- Software Testing
- Mobile App Development
- Software Development
- Engineering
- AI Development
- Show more
- Location
- Gaston, South Carolina
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $1,000 - $10,000
Goitrise is an international custom software development company headquartered in the United States with offices in Argentina...
Top Services:
- eCommerce Development
- Web Development
- Software Development
- Software Testing
- Show more
- Location
- Miami, Florida
- Number of Employees
- Under 49
- Average Hourly Rate
- $40/hr
- Minimal Budget
- $25,000 - $50,000
- Portfolios Count
- 1 Project Listed
Salmore Technology is a full-stack design & development corp. specializing in custom apps, websites, e-commerce platforms, CRMs, and branding. We also deliver advanced solutions in game development, animation, AI, blockchain, Web3, and other next-gen technologies helping startups and enterprises scale with...
Top Services:
- Mobile App Development
- Web Development
- Web Design
- eCommerce Development
- Design Services
- Show more
- Location
- Richmond, Texas
- Number of Employees
- 100 - 249
- Average Hourly Rate
- $50/hr
- Portfolios Count
- 1 Project Listed
At 2am.tech, we use strategy, design, and technology to create transformative experiences that impact your customers, employees, and business...
Top Services:
- Software Development
- AI Development
- Web Development
- IT Services
- Software Testing
- Show more
- Location
- Coral Springs, Florida
- Number of Employees
- 50 - 99
- Minimal Budget
- $50,000 & Up
- Portfolios Count
- 1 Project Listed
Production AI systems for teams that need practical software, not AI theater: LLM apps, private knowledge systems, tool-using agents, predictive analytics, dashboards, evaluation, and implementation from strategy through launch...
Top Services:
- AI Development
- Software Development
- Software Testing
- Mobile App Development
- Big Data Analytics
- Show more
- Location
- Huntington Beach, California
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $50,000 & Up
Adapter AI is an AI-powered software development agency that helps businesses build, launch, and scale digital products faster than traditional methods. Focused on speed, efficiency, and innovation, the company delivers enterprise-ready solutions in months and MVPs in weeks through automated, AI-driven...
Top Services:
- AI Development
- Software Testing
- Software Development
- Web Development
- Mobile App Development
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $125/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 1 Project Listed
Bridging the gap between business vision and technology, Check4Tech creates tailored digital solutions for business that simplify operations, improve efficiency, and drive growth...
Top Services:
- Software Development
- UI/UX Design
- Web Development
- Mobile App Development
- AI Development
- Show more
- Location
- Mastic Beach, New York
- Number of Employees
- Under 49
- Average Hourly Rate
- $100/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 1 Project Listed
We are a digital transformation consulting and software development company that delivers cutting edge solutions for global organizations and technology startups. Since 2000 we have been helping companies and established brands re-imagine their business through digitization...
Top Services:
- Mobile App Development
- Software Testing
- Software Development
- Web Design
- eCommerce Development
- Show more
- Location
- Saratoga, California
- Number of Employees
- 250 - 499
- Average Hourly Rate
- $50/hr
- Minimal Budget
- $10,000 - $25,000
Digitify is a UK-based fintech consultancy specialising in core banking transformation and digital banking platform delivery. With a team of 160+ engineers, we partner with banks, neobanks, and financial institutions across the UK, Europe, and GCC to modernise financial infrastructure and accelerate digital...
Top Services:
- Digital Services
- Product Design
- Mobile App Development
- AI Development
- Software Testing
- Show more
- Location
- Durham, North Carolina
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $30/hr
- Minimal Budget
- $10,000 - $25,000
- Portfolios Count
- 3 Projects 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
Dionix is a technology studio that ships high-performance websites, native mobile apps, and scalable SaaS products for ambitious brands worldwide...
Top Services:
- Web Design
- eCommerce Development
- WordPress Website Design
- Web Development
- UI/UX Design
- Show more
- Location
- Austin, Texas
- Number of Employees
- Under 49
- Average Hourly Rate
- $20/hr
- Minimal Budget
- Under $1,000
- Portfolios Count
- 1 Project 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
Anblicks is a Cloud Data Analytics Company – Enabling Enterprises with Data-Driven Decision Making. Since 2004, Anblicks has been enabling customers across the globe, with their digital transformation journey...
Top Services:
- Software Development
- AI Development
- Mobile App Development
- Software Testing
- Big Data Analytics
- Show more
- Location
- Addison, Texas
- Number of Employees
- 500 - 999
Lemon.io connects startups and SMBs with the top 1.2% of vetted senior software engineers from Europe and LatAm. Hire engineers with experience at companies like Meta, Uber or Paypal within 24-48 hours. Whether you need part-time, full-time or fully managed support, Lemon.io helps you to scale fast. Beyond...
Top Services:
- Web Development
- Mobile App Development
- Software Development
- Software Testing
- AI Development
- Show more
- Location
- New York City, New York
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $55/hr
CQR delivers comprehensive cybersecurity services including penetration testing, red teaming, SOC monitoring, compliance auditing, and vulnerability assessments. Our certified specialists provide 24/7 security support to government and enterprise clients worldwide, helping organizations strengthen their...
Top Services:
- Cybersecurity
- Software Testing
- AI Development
- Location
- San Francisco, California
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $50/hr
Whether youre looking to outsource a critical project or scale your technology team, SOLTECH can help. With nearly 30 years of experience and a forward-looking approach that leverages AI tools, we help our clients build smarter solutions and accelerate results...
Top Services:
- Web Design
- UI/UX Design
- Web Development
- AI Development
- Software Testing
- Show more
- Location
- Atlanta, Georgia
- Number of Employees
- 50 - 99
- Average Hourly Rate
- $150/hr
- Minimal Budget
- $10,000 - $25,000
BuzzClan is an AI-driven solutions provider delivering software, advisory, and implementation services for public and private sectors. With 500+ experts and 150+ digital transformation wins, we advance innovation through strong data engineering, cloud ops, and automation...
Top Services:
- AI Development
- Big Data Analytics
- IT Services
- Cloud Consulting
- DevOps Consulting
- Show more
- Location
- Flower Mound, Texas
- Number of Employees
- 250 - 499
Molokaih is delighted and proud to have received accreditation from DesignRush as one of the top software development companies in their upcoming ranking, acknowledging our outstanding track record. DesignRush is an authority in ranking the most prominent companies worldwide and connecting them within a...
Top Services:
- Mobile App Development
- Software Development
- AI Development
- Wearables
- Software Testing
- Show more
- Location
- Dover, Delaware
- Number of Employees
- Under 49
- Average Hourly Rate
- $35/hr
- Minimal Budget
- $1,000 - $10,000
- Portfolios Count
- 2 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.
- 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.
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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%