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.

United States × Media & Communications × $1,000 - $10,000 ×Clear Filters
  • Kevych Solutions

    VerifiedVerified by the DesignRush team for authenticity and credibility.

    Expert-Vetted - TOP 1% in Mobile App Development

    Kevych Solutions isn`t just a software development team - we`re your partners in creating innovative, high-quality digital solutions that truly make an impact...

    Top Services:

    • Mobile App Development
    • Design Services
    • Software Development
    • Web Development
    • Staff Augmentation
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    33 Projects Listed

    Kevych Solutions Services

    • Mobile App Development
    • Design Services
    • Software Development
    • Web Development
    • Staff Augmentation
    • AI Development
    • Web Design
    • IT Services
    • VR/AR
    • Product Design
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • eSIMo
    • GrowthBook
    • Holodex
    • Silo
    • Posted
    • Fara
    • Weanie
    • OffLesson
    • Spill
    • NetBird
    Data sourced from the agency's DesignRush profile

    Kevych Solutions Reviews & Testimonials

    • Vasco Rouw
      Vasco Rouw Founder at Mavelli
      5.0★

      Mobile App Development Review from Vasco Rouw

      Weve been working with Kevych Solutions full-time for over a year, and the experience has been excellent. They handle the complete end-to-end development of our AI-powered mobile apps, including UI/UX, frontend and backend development, AI integrations, infrastructure, deployment, and ongoing support.What stands out most is the extremely high level of their technical expertise and execution quality. They actively use AI and modern development workflows to maximize efficiency and deliver results quickly. The team is highly responsive, proactive, and always goes the extra mile to meet deadlines.Since working together, we scaled from 0 to over 100,000 subscribers in just 8 months, and our apps are now generating more than $1M in monthly revenue. Whenever challenges came up, we solved them together efficiently, and Kevych Solutions continuously adapted and grew alongside our projects.We highly recommend them to anyone looking for a reliable, high-level mobile app development partner.

    • Alex Kayaian
      Alex Kayaian Founder at Inbox Zapper
      5.0★

      Mobile App Development Review from Alex Kayaian

      Kevych was amazing to work with, and an integral part of our team. They delivered on time, with high quality, and consistent communication. You can't ask for a better partner when developing a project.

    • Lucas Chatham
      Lucas Chatham CEO at Daybreaker Health
      5.0★

      Mobile App Development Review from Lucas Chatham

      I had an excellent experience working with this engineering firm to build a React Native app. Oleg and Ihor were exceptional software engineerstheir technical skills were top-notch, and they consistently delivered clean, well-structured code on time.What really set this team apart was Volodymyr, their CTO. He was incredibly hands-on, maintaining clear and frequent communication throughout the project. He was always responsive and proactive in managing the work, which made the entire process smooth and stress-free.The team was professional, reliable, and genuinely committed to quality. They understood my requirements and provided valuable input that improved the final product. Highly recommend this firm for anyone seeking skilled developers and excellent project management!

    Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
  • High Voltage Code Since 2010

    ELEK+RIK: Web App Development, Mobile App Development for iOS & Android, AI Integration & Development Experts for Long-Term US Projects since 2010...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Blockchain
    • VR/AR
    • Show more
    Location
    Fort Lauderdale, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    18 Projects Listed
  • Enterprise AI Solutions | Scalable . Flexible. Sustainable

    Seasia Infotech is a global AI-powered digital engineering company with 25+ years of experience delivering custom software, AI solutions, cloud applications, mobile apps, and enterprise platforms. We help businesses accelerate innovation, improve efficiency, and drive digital transformation...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    Emeryville, California
    Number of Employees
    500 - 999
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    65 Projects Listed
  • We don't just test. We make your products successful.

    QA Mentor is a multi-award-winning global software testing and quality assurance company headquartered in New York, with a team of 400+ QA experts. CMMI Level 3 appraised, ISO 27001, 9001, and 20000 certified. With over 100 global awards and recognitions, serving 400+ clients in 28 countries...

    Top Services:

    • Software Testing
    • AI Development
    • Staff Augmentation
    • DevOps Consulting
    • Managed Services
    • Show more
    Location
    New York City, New York
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Leading Software Testing Company in Vietnam

    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
  • Imagine | Create | Innovate | Revolutionize.

    At TechTose, we turn ideas into impactful products with a focus on innovation in Web3, blockchain, and AI. At TechTose, we believe in the transformative power of technology. With over 9 years of industry expertise founders, we've carved a niche in delivering cutting-edge software solutions that empower...

    Top Services:

    • Digital Services
    • Web Development
    • eCommerce Development
    • Digital Marketing
    • Mobile App Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    3 Projects Listed
  • The Way to Quality Software

    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
  • Your Reliable Software Development Agency

    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
  • The Suitch is a professional app development and design agency based in New Jersey.

    The Suitch is a leading digital transformation agency servicing a range of unicorn startups and global brands. We strategize, design, and develop user-facing technology that wins in the marketplace...

    Top Services:

    • Public Relations
    • Design Services
    • Digital Strategy
    • Web Development
    • Web Design
    • Show more
    Location
    Jersey City, New Jersey
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000
  • AI Software Development Company USA

    Tabdelta is a global AI-driven software development company in New York USA delivering innovative digital solutions to startups, SMBs, and enterprises across New York and worldwide...

    Top Services:

    • Software Testing
    • Software Development
    • AI Development
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
  • Maximizing Ideas

    NTSprint helps U.S. businesses accelerate growth through AI-powered software, dedicated nearshore engineering teams, and scalable cloud solutions. With 10+ years of experience and 500+ projects delivered, we provide real-time collaboration, faster delivery, and measurable business impact...

    Top Services:

    • Software Development
    • AI Development
    • Cloud Consulting
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Bothell, Washington
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    13 Projects Listed
  • Leading Mobile App Development Services & Offshore Developers Provider

    ManekTech has been recognised by Microsoft for offering best-in-class solutions to customers, recently announcing its achievement of Microsoft Certified Partner Gold status as a Application Development. ManekTech is a full services Mobile Apps and Software Development company, a company of humble beginnings...

    Top Services:

    • eCommerce Development
    • Web Development
    • Software Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    Texas City, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    11 Projects Listed
  • Software development | HealthTech & Security experts

    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
  • AI-driven custom software development for complex, high-growth industries.

    NEKLO is an international custom software development partner. Since 2008, weve specialized in building and scaling digital products for high-stakes industries, including Healthcare, Fintech, Energy, and Construction...

    Top Services:

    • AI Development
    • Software Development
    • Mobile App Development
    • Product Design
    • Software Testing
    • Show more
    Location
    Burlingame, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • Mobile App Developers

    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
  • Passionate About Your Success!

    Siblings Software is a USA-based software outsourcing company situated in Miami, Florida. Their team of experienced C# developers aim to simplify business processes and improve user experiences through innovative software solutions and staff augmentation services...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Software Testing
    • Web Development
    • Show more
    Location
    Miami, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed
  • On-demand technology, marketing, and design specialists.

    Access the necessary technology, marketing, and design expertise without the expenses and complexities of recruiting and training new staff. Promantus offers the support of seasoned specialists who seamlessly integrate into your team, assisting in new projects, technology implementations, and advancing your...

    Top Services:

    • Software Testing
    • Mobile App Development
    • CRM Consulting
    • IoT
    • AI Development
    • Show more
    Location
    Raleigh , North Carolina
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
  • Software That Ships. Teams That Stick Around.

    SoftwareOrbits builds custom web, mobile and AI-powered software solutions that help businesses scale and accelerate digital growth...

    Top Services:

    • UI/UX Design
    • Web Development
    • Mobile App Development
    • Software Development
    • AI Development
    • Show more
    Location
    Newark, Delaware
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Remote Technology Teams for Exponential Growth

    Ajackus is your one-stop solution for all your engineering needs. We have a team of talented engineers across India who can be quickly hired, trained and aligned to your business needs...

    Top Services:

    • Staff Augmentation
    • IT Services
    • Software Development
    • Web Development
    • Mobile App Development
    • Show more
    Location
    Boston, Massachusetts
    Number of Employees
    100 - 249
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    10 Projects Listed
  • Empowering Innovation Through Code

    TelGates is an AI, Blockchain, and Web3 development company that helps businesses build modern digital solutions, including smart contracts, DeFi platforms, AI automation tools, LLM-based applications, RWA tokenization systems, and custom software products. We work with startups, enterprises, and...

    Top Services:

    • Blockchain
    • Mobile App Development
    • AI Development
    • IoT
    • Wearables
    • Show more
    Location
    Wyoming, Pennsylvania
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Software should be forged not assembled

    Custom web and mobile application design and development...

    Top Services:

    • Digital Strategy
    • Web Design
    • UI/UX Design
    • Web Development
    • Software Testing
    • Show more
    Location
    Springdale, Arkansas
    Number of Employees
    Under 49
    Average Hourly Rate
    $250/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • Bridging the Gap Between Business and Technology

    Rare Crew is a custom software development company with over a decade of experience. Rare Crew develops custom solutions for all kinds of business, from multinational organizations to start-ups looking to grow their business...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • IT Services
    • Big Data Analytics
    • Show more
    Location
    Los Angeles, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
  • Design, Develop And Improve

    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
  • One Connected System For Your Operations

    ALCA Software LLC designs and develops tailored digital solutions for operations-heavy businesses. We specialize in replacing messy spreadsheets and disconnected platforms with centralized internal portals, custom web and mobile applications, smart CRM integrations, and real-time analytical dashboards...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • Software Development
    • AI Development
    • Show more
    Location
    Florida, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    1 Project Listed
  • One team to build, test, ship and secure it | Agentic AI, Full-stack, QA, Test Automation & DevOps

    CoVentech is more than a software development agency. It is a partner in innovation and success stories. With over 15 years of experience, CoVentech excels in software development, QA automation, and DevOps practices, driven by a shared passion for reshaping the industry...

    Top Services:

    • Software Development
    • UI/UX Design
    • Web Development
    • Software Testing
    • Cybersecurity
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $1,000 - $10,000
  • Powering Business Communication with Smarter Cloud Telephony

    The Telephony Co provides cloud communication and voice solutions for businesses, contact centers, developers, and enterprises. Its platform combines cloud phone systems, contact center solutions, SIP trunking, virtual numbers, Voice APIs, CRM integrations, and 3CX solutions to help businesses manage calls...

    Top Services:

    • Digital Services
    • WordPress Website Design
    • Web Development
    • UI/UX Design
    • Digital Marketing
    • Show more
    Location
    Wilmington, Delaware
    Number of Employees
    50 - 99
    Average Hourly Rate
    $15/hr
    Minimal Budget
    $1,000 - $10,000
  • Empowering Businesses with Technology Solutions and Talent

    Techsila LLC, led by an experienced CEO with 18+ years in software development, stands out for its innovation, comprehensive services, global reach, and client-centricity. We offer cutting-edge solutions spanning web and mobile app development, AI, and more. Our staffing solutions provide access to top...

    Top Services:

    • Mobile App Development
    • Software Development
    • IoT
    • AI Development
    • Blockchain
    • Show more
    Location
    Burlington, Massachusetts
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Turn Visibility Into Customers

    LoudFace is a full-stack organic growth agency for B2B SaaS and fintech, with AI visibility measured per engine. We run GEO, SEO, AEO, content, and conversion to get companies discovered across Google and AI search. We implement across your stack when the program needs it...

    Top Services:

    • Branding
    • Design Services
    • Digital Strategy
    • Web Development
    • AEO
    • Show more
    Location
    San Francisco, California
    Number of Employees
    Under 49
    Minimal Budget
    $1,000 - $10,000
  • Empowering Growth

    Aress Software is a global IT services and software development company that delivers custom digital solutions for businesses worldwide. With over 25 years of experience, it specializes in software development, cloud computing, DevOps, AI & data engineering, cybersecurity, and 24/7 managed IT support...

    Top Services:

    • Software Development
    • Cybersecurity
    • IT Services
    • CRM Consulting
    • Cloud Consulting
    • Show more
    Location
    Woburn, Massachusetts
    Number of Employees
    500 - 999
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $1,000 - $10,000

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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 
(e.g., Landing platforms)

12-24 weeks2-4 weeks
Mid-sized builds 
(e.g., Fully customized mobile apps)
16-40 weeks3-4 months
Large builds
(e.g., Multi-module platforms)
36-144 weeks6-12 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%