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 × Electronics × Sort by: Avg Hourly Price: High to Low ×Clear Filters
  • Precise Engineering. Here.

    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
  • 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
  • Human-Led Penetration Testing

    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
  • From Concept to Production Simplified

    Embedded Engineering Solutions is a small efficient team of senior engineers specializing in firmware, embedded systems, hardware and software development. You work directly with egineers to bring your product idea to life without unnecessary costs and delays...

    Top Services:

    • Software Development
    • IoT
    • AI Development
    • Wearables
    • Software Testing
    • Show more
    Location
    Tempe, Arizona
    Number of Employees
    Under 49
    Average Hourly Rate
    $165/hr
    Minimal Budget
    Under $1,000
  • We offer SEO, GEO and Web Dev services to professionals to get them ranking on search engine platforms and cited by AI...

    Top Services:

    • AEO
    • SEO
    • Digital Marketing
    • Web Design
    • Email Marketing
    • Show more
    Location
    Chicago, Illinois
    Number of Employees
    Under 49
    Average Hourly Rate
    $125/hr
    Minimal Budget
    $1,000 - $10,000
  • Invested in Your Success

    Tepia is a software company founded in 2012 with over 30 years of experience in web and mobile app development. We are a passionate and agile team of developers, designers, and strategists who are consistently pushing the boundaries of technology...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Software Testing
    • Software Development
    • UI/UX Design
    • Show more
    Location
    Costa Mesa, California
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    2 Projects Listed
  • We Deliver With Excellence

    We provide top-quality custom software solutions and help tech companies scale up their teams...

    Top Services:

    • Digital Services
    • Product Design
    • Web Design
    • Wearables
    • Software Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    100 - 249
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Build Right Deliver Better

    We deliver high-impact, scalable solutions by turning complex systems into efficient, reliable platforms.We help businesses cut through complexity and deliver software that performs, scales, and drives real results...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • Software Testing
    • Mobile App Development
    • Show more
    Location
    New York City, New York
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Optimize & Streamline Your Complex Business Problems With AI & Automation

    Sunflower Lab is a Microsoft Solutions Partner delivering Power BI, Power Automate, Power Apps, Dynamics 365, SharePoint and Copilot, plus AI agents and AI automation. We are also an award-winning builder of custom web and mobile digital products...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Software Testing
    • IoT
    • Show more
    Location
    Hilliard, Ohio
    Number of Employees
    50 - 99
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • A Versatile Tech Company!

    Softeq is a versatile technology and Greentech company offering a wide range of services, including embedded system development, machine learning, digital transformation, hardware design, UX/UI design, and more...

    Top Services:

    • Mobile App Development
    • Software Development
    • Software Testing
    • Blockchain
    • Wearables
    • Show more
    Location
    Houston, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $80/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    8 Projects Listed
  • Cloud, AI, software and digital transformation partner

    Omax Tech is a custom software and SaaS delivery partner helping startups and mid-market teams ship products, AI MVPs, and cloud platforms. We combine product engineering, staff augmentation, and AWS DevOps across Allen, TX, Dubai, and Karachi — with senior ownership so quality doesn’t cliff when capacity...

    Top Services:

    • Web Design
    • UI/UX Design
    • Web Development
    • Software Testing
    • AI Development
    • Show more
    Location
    Allen, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
  • Your Digital Innovation Partners

    Your Digital Innovation Partner. Accelerating innovation through AI, software development, and digital transformation.At Rootstack, we help organizations build scalable digital products, modernize operations, and unlock new business opportunities through technology...

    Top Services:

    • Web Development
    • Software Development
    • Mobile App Development
    • Managed Services
    • Software Testing
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    42 Projects Listed
  • Here to Build.

    Akveo is an AI consulting and software development company, helping organizations build, modernize, and scale digital products...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • Web Development
    • Software Testing
    • Show more
    Location
    Austin, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    12 Projects Listed
  • More Than Code We Build Trust Through Craft & Commitment

    Engineered with integrity. Backed by mentorship. Delivered with care. BTS transforms ideas into scalable, secure, and impactful digital products that deliver long-term value...

    Top Services:

    • Software Development
    • AI Development
    • Big Data Analytics
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    San Francisco, California
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    11 Projects Listed
  • Commerce Engineering for Complex B2B Systems

    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
  • Your Partners in Success.

    Quest Global Technologies is a global leader in development & consultation of cutting-edge Blockchain, Metaverse, AR/VR, QA, Automation, Salesforce & Web3 advancements...

    Top Services:

    • Blockchain
    • AI Development
    • Digital Marketing
    • IT Services
    • Software Testing
    • Show more
    Location
    Gilbert, Arizona
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    6 Projects Listed
  • Revolutionize Your Business Online Presence With Us.

    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
  • Making your business ideas come true

    Etech All is a leading software development company specializing in creative web design and robust web development solutions. We help businesses build a powerful online presence through innovative, user-focused, and results-driven digital experiences. Our expert team delivers customized, high-quality...

    Top Services:

    • Web Development
    • WordPress Website Design
    • Mobile App Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Miami, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
    Minimal Budget
    Under $1,000
  • Official Zoho Premier Partner & Certified Team

    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
  • Mobile App Development Company

    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
  • The AI engineering partner that delivers

    tkxel is an AI engineering partner helping businesses turn AI ambition into real, measurable outcomes. We design, build and deploy intelligent solutions, agentic systems, modernized applications and custom software that work in production, not just in pilots...

    Top Services:

    • AI Development
    • Software Development
    • Cloud Consulting
    • Cybersecurity
    • Mobile App Development
    • Show more
    Location
    Reston, Virginia
    Number of Employees
    500 - 999
    Average Hourly Rate
    $35/hr
    Portfolios Count
    19 Projects Listed
  • Mageplaza is a top-rated e-commerce extension & solution provider on the Magento & Shopify platforms

    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
  • AI-Augmented Software Development Company. SaaS, Web, Mobile, AI, Desktop Apps & Chromium Browsers.

    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
  • Build Smarter. Ship Faster

    A technology partner for modern business building and AI-Powered software, scalable SaaS platforms, and intelligent automation systems...

    Top Services:

    • Web Design
    • Web Development
    • IoT
    • AI Development
    • Software Development
    • Show more
    Location
    Newark, Delaware
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Portfolios Count
    8 Projects Listed
  • Let's Innovate Together

    Beyond product development, Artilence also runs a growth and SEO practice, delivering content, local search optimization, and B2B outreach for its own brand and client accounts spanning healthtech, BPO, and civil engineering sectors...

    Top Services:

    • Web Design
    • Web Development
    • WordPress Website Design
    • eCommerce Development
    • UI/UX Design
    • Show more
    Location
    St. Petersburg, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $1,000 - $10,000
  • Where Tech Meets Minds: Crafting PHP Marvels

    GMTA Software specializes in creating customized websites and mobile app development solutions as an expert software developer. Our team guides you on your path to digital transformation by establishing an open and transparent communication bridge...

    Top Services:

    • Mobile App Development
    • Web Development
    • Web Design
    • Software Testing
    • Software Development
    • Show more
    Location
    Texas City, Texas
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    38 Projects Listed
  • Value-driven quality engineering. AI-powered.

    a1qa is a global quality engineering company helping businesses release software with confidence. From software testing and automation to AI-powered quality engineering, we deliver measurable quality outcomes at scale...

    Top Services:

    • Software Testing
    • Managed Services
    • IT Services
    • Staff Augmentation
    • Show more
    Location
    Decatur, Georgia
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
  • Experts at Your Service

    Alt Digital Technologies is a B2B service provider servicing end to end development, DevOps, Testing and e-commerce solutions for your business. We work efficiently in ATG, Java, React, Salesforce, WordPress and majorly all technologies...

    Top Services:

    • Web Development
    • eCommerce Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Show more
    Location
    Florida City, Florida
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • Empowering Businesses with AI & Custom Development

    Phenologix helps startups, SMBs, and enterprises build scalable software, automate operations, and accelerate digital transformation. With a skilled engineering team and over 14 years of experience, we deliver AI, automation, and custom software solutions that improve efficiency and reduce manual work. Our...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Web Development
    • eCommerce Development
    • Show more
    Location
    Austin, Texas
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • 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
  • Full-Spectrum Digital Solutions

    Dev Loader is a founder-led Laravel development studio operated by Dev Loader, LLC, a US-registered company in Washington, DC. We rescue stalled Laravel SaaS applications, upgrade legacy codebases, and build narrow SaaS MVPs. Core services: application takeover, Laravel version upgrades, performance...

    Top Services:

    • Digital Services
    • Web Design
    • Web Development
    • eCommerce Development
    • Blockchain
    • Show more
    Location
    Washington DC, Washington DC
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    Under $1,000
    Portfolios Count
    1 Project Listed
  • Built To Scale Backed By Trust

    A trusted partner in software engineering and staff augmentation, delivering scalable products with a focus on quality over quantity. We provide comprehensive IT solutions tailored to your business needs...

    Top Services:

    • Web Development
    • Staff Augmentation
    • UI/UX Design
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Bronx, Idaho
    Number of Employees
    Under 49
    Average Hourly Rate
    $20/hr
    Minimal Budget
    $1,000 - $10,000
  • IT Solutions - Execute Your Concepts

    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
  • Growing Texas Brands With Smart Websites.

    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

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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%