Explore leading software testing companies that launch high-performing products, detect bugs early, improve stability, and ensure every feature works correctly across devices and environments. For teams focused on the US market, we also highlight trusted partners with region-specific expertise, including top US-based software testing companies.

Best Software Testing Firms

104 Companies-Rankings updated: October 26, 2026

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.

HR ×
  • Experts in everything mobile

    Apadmi designs, develops and optimises mobile apps for leading brands. We unlock new value through strategy, platforms, middleware and systems integrations that transform the way they work...

    Top Services:

    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Software Testing
    • Blockchain
    • Show more
    Location
    Manchester, United Kingdom
    Number of Employees
    250 - 499
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $50,000 & Up
  • Product, engineering, and AI partner for high-growth companies.

    OAK'S LAB is a product, engineering, and AI partner for high-growth companies, not a generic dev shop. We embed alongside product teams to design, build, and scale production software, with deep experience in regulated industries: finance, healthcare, cybersecurity, and education...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • AI Development
    • Show more
    Location
    Prague, Czech Republic
    Number of Employees
    50 - 99
    Average Hourly Rate
    $99/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    7 Projects Listed
  • We Deliver Promises

    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
  • AdTech Engineering Teams & Staff Augmentation

    Geomotiv is an AdTech-focused technology company providing dedicated teams, IT staff augmentation, and custom development services for businesses building and scaling digital platforms...

    Top Services:

    • Software Development
    • Web Development
    • Mobile App Development
    • IoT
    • Software Testing
    • Show more
    Location
    Alexandria, Virginia
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    11 Projects Listed
  • SEEDIUM builds & scales web/mobile products globally: full-cycle development & team augmentation

    Seedium provides full-cycle development and team augmentation services for startups and SMBs around the world. We focus on progressive mobile & web application development, marketplaces, serverless and microservices solutions, high-load projects, and SaaS platforms...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • Web Design
    • Staff Augmentation
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    8 Projects Listed
  • AI-enabled .NET product engineering partner

    Blackthorn Vision is a Microsoft-partnered .NET and AI development company.As a Microsoft Solutions Partner,we help enterprise teams build and modernize complex software products. The solutions we deliver are backed by deep .NET expertise,AI versatility,and a track record of delivering results...

    Top Services:

    • Software Development
    • Software Testing
    • AI Development
    • Mobile App Development
    • UI/UX Design
    • Show more
    Location
    Wroclaw, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • End-To-End Product Development | Agile Development Teams

    Qarbon IT are experts in creating web and mobile applications with over 15 years of experience. We have the experience, knowledge and technical know-how to deliver an innovative digital product that will exceed your expectations. Qarbon IT assists businesses across major industries, such as finance, banking...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • eCommerce Development
    • IoT
    • Show more
    Location
    Katowice, Poland
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    27 Projects Listed
  • Web & Mobile Application and Software Dev

    Your Expert Web & Mobile Development Partner.Take advantage of our 13+ years of experience in building and launching web and mobile custom software solutions. Extend your team with the top web & mobile developers for your short-term and long-term projects, from MVPs to a completed solution...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Alexandria, Egypt
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $25,000 - $50,000
  • Transforming Your Products Tech Foundation: Scaling, Maintainability, and Seamless Usability

    Rolique is a comprehensive software development firm, distinguished by an extensive portfolio encompassing more than 110 triumphant endeavors across the domains of healthcare, fintech, and industrial technology sectors...

    Top Services:

    • Web Development
    • UI/UX Design
    • Mobile App Development
    • AI Development
    • Software Development
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    9 Projects Listed
  • Virtual Technology Office - An extended execution arm of a CTO.

    Facing challenges to scale up tech? Have a biz/tech requirement but no bandwidth to execute? Too many tech projects eating up your time to focus on core business? Connect with us. We provide fractional CTO services in build-operate-transfer models...

    Top Services:

    • IoT
    • Software Testing
    • AI Development
    • Blockchain
    • Mobile App Development
    • Show more
    Location
    Bengaluru, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    5 Projects Listed
  • Shopify/Plus | Web Development | AI Development | UX/UI design | Custom Development

    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
  • Deep tech expertise for SME

    Light IT provides the following services on the global tech market:- consulting clients on IT products and services- custom product and software development- provision of resources at the clients' request- software delivery and maintenance- software quality assurance...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • IT Services
    • Show more
    Location
    Rickmansworth, United Kingdom
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
  • Data Science with Purpose, Innovation with Impact.

    Sigli is a forward-thinking software development firm specializing in Digital Product Development and Transformation. Certified under ISO/IEC 27001, we ensure top-tier information security. "Data Science with Purpose, Innovation with Impact" defines our mission to deliver high-quality, scalable digital...

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • CRM Consulting
    • ERP Consulting
    • Show more
    Location
    Antwerp, Belgium
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Reliable Web & Mobile App Development Company

    Relia Software is Vietnam based software development company, building scalable and reliable apps for startups and enterprises since 2011...

    Top Services:

    • Web Design
    • Mobile App Development
    • Software Development
    • Web Development
    • IT Services
    • Show more
    Location
    Ho Chi Minh, Vietnam
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    2 Projects Listed
  • Result-Driven Process ⭐ 150+ Successful Projects ⭐

    Scale your development, design, and build great apps! Product Owners and CTOs in start-ups and SMEs craft their SaaS products or build their own cloud-based solutions with our teams. We provide a wide spectrum of services to support our clients throughout the entire life cycle of software development...

    Top Services:

    • Staff Augmentation
    • Mobile App Development
    • Software Development
    • Web Design
    • UI/UX Design
    • Show more
    Location
    Bielsko-Biala, Poland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • We digitalize the way your business operates

    Apiko is a digital transformation consultancy & software development partner that develops highly-performing solutions for startups and established companies, focusing on scalability, innovation, and transparency of actions. Using our deep domain knowledge and cutting-edge software engineering culture, we...

    Top Services:

    • Software Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Software Testing
    • Show more
    Location
    Ternopil, Ukraine
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    7 Projects Listed
  • Painless software development

    Organizing the teamwork with the client, we dive deep into their business needs and find the optimal way to reach the final goal with software...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • Web Development
    • UI/UX Design
    • Show more
    Location
    Herford, Germany
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    22 Projects Listed
  • Dream It. Build It. Live It.

    Established in 2019, YOPAZ (Young & Passion) is a dynamic company headquartered in Hanoi, Vietnam, with a branch in Tokyo, Japan. It specializes in award-winning software development services, playing a crucial role in connecting Vietnam, Japan, and other global markets. YOPAZ focuses on core services such as...

    Top Services:

    • Web Development
    • Mobile App Development
    • Software Testing
    • AI Development
    • Blockchain
    • Show more
    Location
    Hanoi, Vietnam
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Full-Cycle Software Development Boutique

    Bamboo Agile is a software development company with an office in Tallinn (Estonia)...

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • UI/UX Design
    • eCommerce Development
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Your Technology Partner for AI & Software Innovation

    Daffodil Software is a technology partner with 25+ years of experience in custom software engineering, AI solutions, digital product development, and enterprise modernization. Our team helps businesses build scalable applications, modernize legacy systems, and solve complex challenges through innova...

    Top Services:

    • Software Development
    • AI Development
    • IT Services
    • Product Design
    • Mobile App Development
    • Show more
    Location
    Dover, Delaware
    Number of Employees
    1000 & Up
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Technology & Solution Consulting company

    We have experience in following fields: HR Tech, Software Product Development, Machine Learning, Biotech, greentech, UX/UI Design...

    Top Services:

    • Software Development
    • AI Development
    • Wearables
    • Mobile App Development
    • Blockchain
    • Show more
    Location
    Johns Creek, Georgia
    Number of Employees
    100 - 249
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • Website/Product Development | AI | QA Testing | CMMI | ISO

    Custom software delivery at speed and quality...

    Top Services:

    • Software Development
    • Mobile App Development
    • eCommerce Development
    • CRM Consulting
    • Cybersecurity
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    250 - 499
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    22 Projects Listed
  • We build dedicated teams and thriving products

    Kultprosvet is a Dnipro, Ukraine based software development firm founded in 2011. It builds dedicated web and mobile development teams, focusing on full-cycle solutions UI/UX, front-end, back-end, project management, and QA. With expertise in Node.js, PHP/Laravel, React, Vue, and native mobile (iOS/Android...

    Top Services:

    • Software Development
    • Mobile App Development
    • Software Testing
    • Staff Augmentation
    • UI/UX Design
    • Show more
    Location
    Dnipro, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Global IT Solutions

    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
  • The Number One in Mobile App & Web-App Development

    Hello, and welcome to Lizard Global!Visit our website: https://www.lizard.global/...

    Top Services:

    • Mobile App Development
    • eCommerce Development
    • Web Development
    • Software Development
    • AI Development
    • Show more
    Location
    Kuala Lumpur, Malaysia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $70/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    43 Projects Listed
  • Expert in Developing Custom Software, Mobile Apps, and Web Apps for Any Industry Worldwide| B2B

    Softexpoit's team of experts combines technical expertise and creativity to develop custom software, mobile app, and web app, backend, mac/windows solutions that meet your specific business/official needs.We understand that every business is different, which is why we offer customized solutions...

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • IoT
    • Software Testing
    • Show more
    Location
    London, United Kingdom
    Number of Employees
    Under 49
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    8 Projects Listed
  • IT Staff Augmentation

    New Wave Devs is an IT staff augmentation company. We place vetted mid and senior engineers into your existing product team, on your codebase, inside your process...

    Top Services:

    • Mobile App Development
    • AI Development
    • Software Development
    • IoT
    • Software Testing
    • Show more
    Location
    Sheridan, Wyoming
    Number of Employees
    100 - 249
    Average Hourly Rate
    $60/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    5 Projects Listed
  • We turn legacy systems into high-performance solutions

    Evinent GmbH is a software development company focused on legacy system modernization and custom enterprise solutions. We help mid-sized and large businesses improve outdated systems, streamline operations, and build scalable web and mobile platforms...

    Top Services:

    • UI/UX Design
    • Web Development
    • Web Design
    • eCommerce Development
    • Software Development
    • Show more
    Location
    Grasbrunn, Germany
    Number of Employees
    Under 49
    Average Hourly Rate
    $49/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
  • An Enterprise AI Development Company

    Azilen Technologies is a prominent enterprise AI development company that takes pride in delivering exceptional AI, Data, and HRTech solutions to organizations seeking digital transformation...

    Top Services:

    • AI Development
    • Software Development
    • IT Services
    • IoT
    • Cloud Consulting
    • Show more
    Location
    Irving, Texas
    Number of Employees
    250 - 499
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
  • We shape ideas into Software Products

    launchOptions provides Full-cycle software development for Startups, Small- and Medium-sized companies worldwide.Domain expertise: Human Resources, Logistics and Transportation, Food and Beverage, Urban/Public, Insurance, Automotive, Arts & Entertainment.Languages spoken: English, German, Italian...

    Top Services:

    • Software Development
    • Mobile App Development
    • UI/UX Design
    • Web Development
    • Web Design
    • Show more
    Location
    Larnaca, Cyprus
    Number of Employees
    50 - 99
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Global tech talent, LATAM powered, U.S. aligned

    Zallpy stands as one of the fastest growing Software Outsourcing and Staff Augmentation nearshore companies, strategically positioned nearshore to provide cutting-edge, scalable IT squads to Startups and Fortune 500 corporations across North America and Europe...

    Top Services:

    • AI Development
    • Software Testing
    • Blockchain
    • Mobile App Development
    • Software Development
    • Show more
    Location
    Frisco, Texas
    Number of Employees
    500 - 999
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • Where Quality, Time & Accuracy are valued the most!

    Founded in 2011, Serpent Consulting is an Odoo Partner with a global clientele. They offer Odoo implementation, customization, and training with a team of experienced professionals. They boast 45+ custom Odoo apps and modules, making them a leader in the Odoo space...

    Top Services:

    • ERP Consulting
    • CRM Consulting
    • IT Services
    • Software Development
    • Software Testing
    • Show more
    Location
    Gandhinagar, India
    Number of Employees
    100 - 249
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • Engineering capabilities that solve today's challenges and scale with you for a better tomorrow.

    Galekt Labs is a software engineering company specializing in remarkable MVP development and reliable product development to transform your ideas into market-ready products faster than traditional development cycles...

    Top Services:

    • Mobile App Development
    • Software Development
    • eCommerce Development
    • Business Consulting
    • Cloud Consulting
    • Show more
    Location
    Ahmedabad, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $22/hr
    Minimal Budget
    $10,000 - $25,000
  • Trustful software development partner to make technologies serve your business.

    Jappware is a trustful software development partner for businesses and individual entrepreneurs around the globe. We provide complete transparency in cooperation processes and interact as a strategic partner for all our clients.Providing team augmentation and dedicated teams, we develop software solutions...

    Top Services:

    • Staff Augmentation
    • Software Development
    • IT Services
    • AI Development
    • Big Data Analytics
    • Show more
    Location
    Lviv, Ukraine
    Number of Employees
    50 - 99
    Average Hourly Rate
    $29/hr
    Minimal Budget
    $10,000 - $25,000
  • Transforming Business Dynamics, Digitally Everywhere

    Esarwa ERP is a powerful low code tool designed to streamline business operations with automation, real time insights and seamless customizations. Tailored for industries like manufacturing, hospitality, hospitals, retail and transportation. It helps businesses to adapt quickly, optimize workflows and make...

    Top Services:

    • ERP Consulting
    • Mobile App Development
    • Software Development
    • AI Development
    • Software Testing
    • Show more
    Location
    Mumbai, India
    Number of Employees
    50 - 99
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $10,000 - $25,000
  • Global software development and team augmentation company for mission critical software

    Global software development and team augmentation company for mission critical software. Headquartered in Texas with delivery centers across Europe & Asia...

    Top Services:

    • Staff Augmentation
    • AI Development
    • Mobile App Development
    • Software Development
    • Web Development
    • Show more
    Location
    Richardson, Texas
    Number of Employees
    100 - 249
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
  • Innovating Solutions For Modern Challenges

    Backspacce Technologies is a dynamic IT solutions company helping businesses harness cutting-edge technology and innovative digital strategies. We specialize in software development, cloud integration, data management, and enterprise applicationsdelivering scalable, secure, and impactful solutions. With a...

    Top Services:

    • Software Development
    • Web Development
    • Web Design
    • Graphic Design
    • Mobile App Development
    • Show more
    Location
    Mohali, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $30/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    4 Projects Listed
  • Technology Connects

    Bellosoft is a global software development agency helping businesses scale through custom solutions in web, mobile, AI, and cloud technologies. With a focus on innovation, agility, and measurable results, we partner with startups and enterprises in the US, UK, and Europe to deliver reliable products and...

    Top Services:

    • Software Development
    • UI/UX Design
    • Web Development
    • Mobile App Development
    • eCommerce Development
    • Show more
    Location
    Watford, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $65/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    16 Projects Listed
  • Trusted Software Teams Delivering Real Results

    A product-focused software development partner helping businesses build reliable, scalable digital solutions with top engineering talent and a transparent delivery approach...

    Top Services:

    • Software Development
    • Mobile App Development
    • AI Development
    • IoT
    • DevOps Consulting
    • Show more
    Location
    Rugby, United Kingdom
    Number of Employees
    Under 49
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • Build Faster Ship Cleaner

    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
  • Intelligent Automation, Ai-first Creative Services For Your Business Growth!

    With 21 years of collective expertise in US, Middle East & India, we enable businesses with Smart workflows, Agentic AI, Media creatives (videos, graphics, animation) and Lead generation. Our diverse team of content creators & digital strategists work on growing your brand's reach, while our Agentic AI...

    Top Services:

    • Digital Strategy
    • eCommerce Development
    • Advertising
    • Video Marketing
    • AI Development
    • Show more
    Location
    Belagavi, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $45/hr
    Minimal Budget
    $10,000 - $25,000
  • More than code. People.

    NextAge is a global technology company founded in 2007, specialized in digital transformation, systems development, process automation, and AI agents. Operating in Brazil, USA, and Portugal, NextAge has delivered results for 600+ clients across 12+ countries. Recognized as Top 100 Fastest Growing 2024 by...

    Top Services:

    • Web Design
    • Web Development
    • eCommerce Development
    • Software Testing
    • Mobile App Development
    • Show more
    Location
    Curitiba, Brazil
    Number of Employees
    100 - 249
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • Engineering Mission-Critical Web Applications & AI Solutions.

    Digital Pixora is an elite software engineering and digital transformation agency. We don't just build websites; we engineer high-performance web applications, complex B2B SaaS platforms, and custom Artificial Intelligence (AI) solutions tailored for enterprise growth. Our core expertise lies in Rea...

    Top Services:

    • Software Development
    • AI Development
    • Web Development
    • UI/UX Design
    • Web Design
    • Show more
    Location
    Toronto, Canada
    Number of Employees
    Under 49
    Average Hourly Rate
    $120/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Built On People, Powered By Tech

    Genius Software is a technology product design and development company headquartered in Tallinn, Estonia, with delivery offices in Ukraine and Poland. The company provides end-to-end software engineering, AI development, technology consulting, and outsourcing services for startups, established businesses, and...

    Top Services:

    • Staff Augmentation
    • eCommerce Development
    • Web Development
    • Blockchain
    • Software Development
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    50 - 99
    Average Hourly Rate
    $35/hr
    Minimal Budget
    $10,000 - $25,000
  • Your Vision Our Code

    American Koders is a USA-based software development company delivering innovative and customized digital solutions for startups and established businesses...

    Top Services:

    • Web Design
    • UI/UX Design
    • WordPress Website Design
    • eCommerce Development
    • Mobile App Development
    • Show more
    Location
    Kalispell, Montana
    Number of Employees
    50 - 99
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
  • We Build What Your Business Needs

    BlueSail AI builds custom software and automation for businesses running on spreadsheets, workarounds, and expensive tools that never fit. Web apps, internal systems, client portals, AI agents, and workflow automation - designed around how your operation actually works. Based in Jacksonville, FL, with a...

    Top Services:

    • Software Development
    • AI Development
    • Web Development
    • Mobile App Development
    • Web Design
    • Show more
    Location
    St. Augustine, Florida
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    3 Projects Listed
  • Full-cycle agency that turns ideas into reality.

    A software development company that provides solutions for maximizing profits and converting clients ideas into reality...

    Top Services:

    • Software Testing
    • Web Development
    • Mobile App Development
    • UI/UX Design
    • Design Services
    • Show more
    Location
    Tallinn, Estonia
    Number of Employees
    100 - 249
    Minimal Budget
    $1,000 - $10,000
  • Come as a client, Stay as a friend

    We build custom digital products that drive business results, combining strong technical delivery with a deep understanding of business needs. Our team adapts to your working style and helps you make smart technical decisions, speaking a language you'll understand...

    Top Services:

    • Mobile App Development
    • Web Development
    • Product Design
    • Software Development
    • IT Services
    • Show more
    Location
    Krakow, Poland
    Number of Employees
    Under 49
    Average Hourly Rate
    $46/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    6 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
    Lviv, Ukraine
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    5 Projects Listed
  • Innovate, connect, inspire

    We are committed to providing services to our clients with Leadership, Quality, Integrity & Reliability...

    Top Services:

    • AI Development
    • Mobile App Development
    • Web Development
    • Software Testing
    • Software Development
    • Show more
    Location
    Nagpur, India
    Number of Employees
    Under 49
    Average Hourly Rate
    $25/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    4 Projects Listed

Why companies trust DesignRush

Every agency is independently vetted before it can be listed or ranked

1

Identity Check

We verify businesses and reviewer LinkedIn profiles for integrity.

Agencies vetted
129,656+
2

Portfolio Review

We review agency work, case studies, and results to confirm skill.

Applicants rejected
47%
3

Ongoing Audit

We monitor listings regularly; outdated agencies are removed.

Agencies verified
104

Some agencies pay for sponsored placement, clearly labeled and held to the same vetting standards.

See how rankings and monetization work.

Frequently Asked Questions About Software Testing Companies

What services do software testing firms provide?

Software testing companies provide different testing services to identify errors, security risks, performance issues, and how the software behaves in real-life situations and across devices. As part of their software testing service, they also check if each feature works as expected, fix bugs, make improvements, and make sure new software development updates don’t break existing functions, so the software quality remains stable. 

Core services include: 

How much do software testing services cost?

Hourly rates for QA testing range from $25 to $200+. The final cost is determined based on the size of the software or application, its complexity, required testing type, tech stack (custom-built and older legacy systems cost more), and niche.  

The rate will also depend on the seniority of the software tester. Across the United States, junior quality assurance (QA) tester may charge $70 to $110 per hour, while the rate for a senior QA mentor and automation engineer can range from $130 to $200 per hour.   

Special software testing services such as QA audit goes from $5,000 to $25,000. 

How can businesses know what type of software testing do they need?

Businesses can determine what type of testing solutions they need based on the potential impact of failures and the likelihood of defects. Namely, if they encounter:  

  • Core functionality issues: Use functional testing to verify features work as expected 
  • Unstable code or new features: Use unit testing for individual components and integration testing for modules working together 
  • Poor system stability after updates: Seek regression testing to make sure new changes didn't break existing features 
  • Performance and load issues: Use performance and load testing to evaluate speed and scalability 
  • Security issues: Security and penetration testing are commonly used across apps handling sensitive user data 
  • Hard-to-navigate user experience (UX): Pursue usability testing to determine how intuitive the application is for end users 
  • Low compatibility across devices: Compatibility testing can evaluate how good the app works on different browsers, devices, and OS versions 

There is also the option to choose between manual and automated testing.  

Is automated testing more expensive than manual testing?

As an investment, automated testing is pricier than manual testing but offers a lower cost-per-test over time as it can run the same scripts repeatedly, without human intervention. Conversely, manual testing entails lower upfront fee, but its cost grows linearly as the project grows, as every test cycle requires paid hours from QA testers.  

So, for short-term projects or ones with shifting requirements, manual testing is considered a more economical option, whereas for maintenance and regression cycles, automated testing grants better return on investment. 

The main distinction between these methodologies is that manual testing relies on human observation and interaction to identify defects, whereas automated testing uses software scripts to compare outcomes against predicted results.  

Manual testing is best suited for exploratory testing, usability assessments, ad-hoc bug hunting, and minor hotfix verifications where script development would be inefficient. Automated testing, on the other hand, is primarily used for regression testing to make sure the new code does not break existing features. 

How do businesses measure the effectiveness of software testing?

The effectiveness of the software testing is measured via: 

  • Code coverage: The percentage of the code that has been tested 
  • Defect density: The number of defects found per unit of code 
  • Test case effectiveness: The percentage of test cases that identify defects; helps prune redundant and ineffective tests 
  • Time to detect and fix defects: The time it takes to identify and fix software defects and software bugs 
  • Defect leakage: The number of bugs that "escaped" to production versus those caught during the testing phase