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
12 Companies-Rankings updated: September 05, 2026
Every agency on DesignRush has been evaluated for its expertise and client feedback to empower informed choices. Some listings include paid partnerships.
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
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Location
Houston, Texas
Number of Employees
250 - 499
Average Hourly Rate
$80/hr
Minimal Budget
$50,000 & Up
Portfolios Count
8 Projects Listed
Softeq Services
Mobile App Development
Software Development
Software Testing
Blockchain
Wearables
UI/UX Design
Cybersecurity
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Lenovo
Epson
Microsoft
WTA
NVIDIA
Verizon
G.J.Gardner
Walt Disney Parks and Resorts
Happiest Baby
Data sourced from the agency's DesignRush profile
Softeq Reviews & Testimonials
Quan Gan Owner at Gantom Lighting & Controls
5.0★
Software Development Review from Quan Gan
We collaborated with Softeq to develop an infrared emitting platform. Softeq provided software development and support services, streamlining our project. While our hardware technology was excellent, Softeq elevated our company's products with superb software development and implementation solutions. Working with Softeq was highly beneficial for us, as the agency managed our projects more efficiently due to exceptional project management and organized workflows.
Jeff Johnston Founder and Chief Executive Officer at A-List Enterprises
5.0★
Mobile App Development Review from Jeff Johnston
We hired Softeq for mobile app development services. Softeq developed a functional and user-friendly app, efficiently integrating productivity features like calendar, contacts, and task management. The agency organized regular meetings with our product management department, communicated effectively, and promptly resolved issues. Softeq's team worked diligently and provided valuable insights. We were satisfied with Softeq's services.
Trent Gardner Information Technology (IT) Manager at G.J. Gardner Homes
5.0★
Software Development Review from Trent Gardner
We worked with Softeq for software redevelopment services to improve our company's proprietary software. Softeq updated the business platform, streamlining operations and enhancing the platform's user UI and functionality. This improvement aided our sales, job estimating, purchase orders, and administration efforts. Softeq's team was professional, attentive, and prompt in implementing feedback. The agency delivered high-quality work, impressing our company's internal stakeholders.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
ITRex delivers end-to-end AI and data solutions from strategic planning to real-world deployment. The companys expertise spans LLM integration, RAG, copilots, SLMs, and autonomous AI agents, all engineered for reliability and scale...
Top Services:
Software Development
Mobile App Development
Software Testing
AI Development
IoT
Show more
Location
Aliso Viejo, California
Number of Employees
250 - 499
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
5 Projects Listed
ITRex Group Services
Software Development
Mobile App Development
Software Testing
AI Development
IoT
Blockchain
IT Compliance Solution
IT Services
Big Data Analytics
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Dollar Shave Club
Jib Jab
21st Century Fox
Procter & Gamble
Meet Me
Dun & Bradstreet
Data sourced from the agency's DesignRush profile
ITRex Group Reviews & Testimonials
Tammy Walker Owner at Retail Company
5.0★
IT Services Review from Tammy Walker
Extremely creative and awesome company name. It sounds trustworthy.
Undisclosed Product Owner at Global retailer
5.0★
Web Development Review from Undisclosed
We are making in minutes things that our teams have been stuck with for days before.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Indeema is a global IoT engineering company. Our team works across the entire technology stack, including firmware development, electronics engineering, cloud platforms, data processing, and web and mobile applications...
Top Services:
Software Development
IoT
Mobile App Development
Wearables
AI Development
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Location
Wroclaw, Poland
Number of Employees
100 - 249
Average Hourly Rate
$50/hr
Minimal Budget
$50,000 & Up
Portfolios Count
8 Projects Listed
Indeema Software Services
Software Development
IoT
Mobile App Development
Wearables
AI Development
Software Testing
Web Design
IT Services
DevOps Consulting
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
UDB
Viking Scada
Ads blocker
UBreez
Dol-Sensors
Alice
ShotKam
Dog Cloud
iReDS
Data sourced from the agency's DesignRush profile
Indeema Software Reviews & Testimonials
Ted Selden COO at TouchMD
5.0★
Mobile App Development Review from Ted Selden
They actually suggest things to us. They find better ways of doing things, so they really strive to give their input and their suggestions, which is really nice rather than just building something we are asking them to build.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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
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Location
Prague, Czech Republic
Number of Employees
50 - 99
Average Hourly Rate
$99/hr
Minimal Budget
$50,000 & Up
Portfolios Count
7 Projects Listed
OAK'S LAB Services
Software Development
Mobile App Development
Web Development
UI/UX Design
AI Development
Web Design
Software Testing
Digital Services
Branding
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
NASDAQ Private Market
PlexTrac
Vette
Crave
Capital Markets Gateway
Karus
Plotify
Storyvine
West Tenth
Dot Residential
Data sourced from the agency's DesignRush profile
OAK'S LAB Reviews & Testimonials
Aydar Ageev Review from Google
5.0★
Aydar Ageev's Review Sourced from Google
It's probably a wonderful feeling to go to work, being able to feel the tourist hustle and hear the sound of the clock from the Old Town Square.
Aleksandar Chernev Review from Google
5.0★
Aleksandar Chernev's Review Sourced from Google
Such an awesome event. It was so well organized and I was so pleased to meet Oak’s Lab awesome team.
Adam Mazouz Review from Google
5.0★
Adam Mazouz's Review Sourced from Google
This was one of the best meetups of the year for me. The ambiance, the vitality, and the community they brought together. P.S: The office location is winning big times.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Acumen Technology, an engineering-driven company founded on the principles of a highly respected IT services provider, aims to provide the highest level of technology support through a team of IT professionals with years of vertical-specific knowledge, relationships with industry-leading vendors, and a broad...
Top Services:
Software Testing
Software Development
UI/UX Design
Staff Augmentation
AI Development
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Location
Yerevan, Armenia
Number of Employees
Under 49
Average Hourly Rate
$45/hr
Minimal Budget
$50,000 & Up
Acumen Technologies Services
Software Testing
Software Development
UI/UX Design
Staff Augmentation
AI Development
Mobile App Development
eCommerce Development
IoT
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Ascendum is an award-winning global technology firm dedicated to delivering pioneering ideas and solutions that enrich our clients' customers experiences and business operations. Our clients come to us for new ideas and boundary-pushing solutions...
Top Services:
Software Testing
Mobile App Development
Web Design
Software Development
AI Development
Show more
Location
Cincinnati, Ohio
Number of Employees
1000 & Up
Average Hourly Rate
$100/hr
Minimal Budget
$50,000 & Up
Ascendum Solutions Services
Software Testing
Mobile App Development
Web Design
Software Development
AI Development
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Jewelry Television
713 Media Group
HappyOurs
Data sourced from the agency's DesignRush profile
Ascendum Solutions Reviews & Testimonials
J A Review from Google
1.0★
J A's Review Sourced from Google
Worst business ethics I have been exposed to in a long time. Do yourself a favor and solicit advice from other sources.
Sales Department Review from Google
1.0★
Sales Department's Review Sourced from Google
They have some bad and crook employees , very unprofessional staff , rude people to deal with , the can care less if you have to call 50 times and none there to answer or call you back
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Innovative software solutions to your organisations most challenging problems.
Microknot is a software development agency based in Sydney. We provide innovative software solutions to your organization's most challenging problems...
Top Services:
Software Development
Mobile App Development
Software Testing
IT Services
AI Development
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Location
Bella Vista, Australia
Number of Employees
Under 49
Average Hourly Rate
$500/hr
Minimal Budget
$50,000 & Up
Portfolios Count
5 Projects Listed
Microknot Services
Software Development
Mobile App Development
Software Testing
IT Services
AI Development
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Anglicare
Site360
Lonza Group AG
Probate
TaxToday
Data sourced from the agency's DesignRush profile
Microknot Reviews & Testimonials
Aravind Nambiar Review from Google
5.0★
Aravind Nambiar's Review Sourced from Google
Worked with Microknot over a period of 4 months to build a financial simulation & visualization of supply chain activities. Microknot architect and engineers provided the framework, design & setup on Azure and the development activities. It was a great experience working with them!
Kel A Review from Google
5.0★
Kel A's Review Sourced from Google
The EDI system that Microknot created was a little slow to start up due to the complexity of our system. But it's now reached a point where it's saving me time with our orders. The team were prompt in responding to emails & were a pleasure to work with.
Dave Philips Review from Google
5.0★
Dave Philips's Review Sourced from Google
We have enjoyed working with Jag, Shaun, and several of Microknot's developers over the past 18 months. The Microknot team has allowed us to accelerate the time to market for our platform, translating to money in the bank and added scale to our internal development team without the risks, time delays, and costs associated with hiring new staff.Microknot's professionalism in managing our project has also lifted the game for our internal team. Not only have they delivered a great product outcome, but we've also learned a lot about different technologies and effective s/ware PM methodology in the process.The Microknot team have been responsive, easy to work with, delivered every sprint on time, and significantly contributed to guiding our application in the right direction.I can't thank the team at Microknot enough for their contribution to Biode, and I would not hesitate to recommend them to any business looking for a trusted development partner.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
A top custom software development firm dedicated to delivering bespoke digital products that drive innovation and help you achieve your brand goals. A full-stack developer with expertise in every major platform and language, we design and deliver custom applications and host and maintain the solutions we...
Top Services:
Software Development
Mobile App Development
UI/UX Design
Software Testing
WordPress Website Design
Show more
Location
Spring, Texas
Number of Employees
Under 49
Average Hourly Rate
$150/hr
Minimal Budget
$50,000 & Up
Espresso Moon Services
Software Development
Mobile App Development
UI/UX Design
Software Testing
WordPress Website Design
eCommerce Development
Web Development
AI Development
VR/AR
Cloud Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
DistributionNOW
Tesla
Nucor Steel
Everest Funeral Concierge
Flexitallic
Solvay Dental
Stream Realty
Wilson Perumal
Neuhaus Academy
SafeFleet
Data sourced from the agency's DesignRush profile
Espresso Moon Reviews & Testimonials
Bradley Collins Review from Google
5.0★
Bradley Collins's Review Sourced from Google
Working with the guys at Espresso Moon (Scott, Doug, Tim and Dwayne) was truly a great collaboration and experience. They didn't just throw a website together for us, they helped us to reinvent ourselves. They go out of their way to get to know you and your business to the fullest extent, and that is a quality that is not often seen. If I were to recommend a web design/hosting company to anyone, Espresso Moon would be the one and only name I give. Thank you for your service and support!
Meredyth Jones Review from Google
5.0★
Meredyth Jones's Review Sourced from Google
I worked primarily with Scott, Tim and Doug to build a fairly complicated site: Paypal/credit card payments, video training modules, a graded quiz, and issuance of a completion certificate. They were the only website company that invited me to an in-person meeting and that was tremendously helpful in me understanding how they work and them understanding my goals. Large Animal Consulting & Education launched 2 days ago and the site is running smoothly. I'm very happy with the site they designed (they also designed my logos) and am looking forward to using them to support and add to the site down the road.
Caleb Schallert Review from Google
5.0★
Caleb Schallert's Review Sourced from Google
Doug Wheeler is the owner of Espresso Moon and he has provided my small business excellent IT technical support for our website. His team helped me out by removing malicious code that was affecting my site right after the Heart Bleed epidemic last year. He got my site back up and running so i could continue business and save my online reputation. I would recommend Espresso Moon LLC to anyone in need of a new website or mobile application because they follow through with what they promise to do, on time and on budget. They are truly a pleasure to work with!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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
Gegnat Yards Services
Web Development
eCommerce Development
SEO
AI Development
Mobile App Development
Software Testing
Software Development
Staff Augmentation
IT Services
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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
Apadmi Services
Mobile App Development
UI/UX Design
Web Development
Software Testing
Blockchain
Software Development
CRM Consulting
Managed Services
IT Services
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Co-op
Domino's Pizza UK and Ireland
The Guardian
United Utilities
HSS
NHS
SailGP
Argos
Charles Stanley
BBC
Data sourced from the agency's DesignRush profile
Apadmi Reviews & Testimonials
Thomas Booth Review from Google
2.0★
Thomas Booth's Review Sourced from Google
I recently had an experience back in 2022 with Apadmi that I feel compelled to share and have debated whether i should post this. As a professional eagerly looking forward to an interview with Apadmi, I was unfortunately met with a series of disappointments.Firstly, the structured process I was initially promised for the interview was not adhered to. This lack of organisation not only threw me off but also made it challenging to present myself effectively and forced to do a presentation in less than 24 hours notice.More concerning, however, was my interaction with the Managing Director, not sure if he is still there. I found his demeanour not just unprofessional but outright rude. This was disheartening, especially coming from a leadership figure in a reputable company. I've actually never been so humiliated in the professional environment.It's important for companies to remember that interviews are a two-way process. They are not just about evaluating candidates, but also about demonstrating the company's values and culture. Unfortunately, my experience with Apadmi fell short of the professional standards one would expect, however i would say Marcus, one of the board members was a delight in my first stage.I hope my feedback is taken constructively, as it is intended to highlight areas where there is significant room for improvement in how Apadmi manages its recruitment process and senior staff interactions.
Steve Jackson Review from Google
5.0★
Steve Jackson's Review Sourced from Google
Fantastic team, you can rely on them always.. Robert a partner of Apadami is an exceptional individual who supported me with my project in a professional manner. With his excellent peoples skills he will look after you. The person you can rely on anything and keep you assured. Will always go back to Apadami.
Manoj Ranaweera Review from Google
5.0★
Manoj Ranaweera's Review Sourced from Google
Apadmi's ability to spin out technology as separate companies is remarkable. A strong supporter of Manchester tech ecosystem, they became unbeatable in mobile category during the first three years of northern tech awards before it adopted a new structure and ownership. Another remarkable achievement is that the four founders have remained together during all these years. I wish them all the best.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Directio is a global tech partner that brings together people, processes, and technology to code successnot just by building software, but by solving todays challenges and preparing businesses for whats next. With a unique blend of consulting, tailored development, and flexible collaboration models, we...
Top Services:
Software Development
Software Testing
DevOps Consulting
IT Services
IT Compliance Solution
Show more
Location
Warsaw, Poland
Number of Employees
100 - 249
Average Hourly Rate
$70/hr
Minimal Budget
$50,000 & Up
Directio Services
Software Development
Software Testing
DevOps Consulting
IT Services
IT Compliance Solution
Cloud Consulting
Staff Augmentation
Managed Services
CRM Consulting
ERP Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Tacton
Coty
UCC Coffee
Exensor
Webropol
Data sourced from the agency's DesignRush profile
Directio Reviews & Testimonials
Joanna Cinkusz Review from Google
5.0★
Joanna Cinkusz's Review Sourced from Google
Direct Communication provides excellent opportunities to work with clients in the international team, supporting a strong and professional work culture
Michał Krukowski Review from Google
5.0★
Michał Krukowski's Review Sourced from Google
As an Employee I am amazed how good my life became since I joined that company
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
AI enablement and custom AI development company helping enterprises and mid-market leaders adopt, scale, and succeed with AI - faster, safer, and smarter. We simplify the complexity of enterprise AI by guiding organizations from strategy to deployment, combining consulting, custom development, and proven AI...
Top Services:
Product Design
UI/UX Design
AI Development
IoT
Software Development
Show more
Location
Zagreb, Croatia
Number of Employees
50 - 99
Average Hourly Rate
$100/hr
Minimal Budget
$50,000 & Up
Margins Services
Product Design
UI/UX Design
AI Development
IoT
Software Development
Software Testing
Mobile App Development
Design Services
DevOps Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
John Hopkins University
Mars
Croatian Medical Chamber
Data sourced from the agency's DesignRush profile
Margins Reviews & Testimonials
Marko Bajlo Review from Google
5.0★
Marko Bajlo's Review Sourced from Google
I’ve got a chance to cooperate with agency, very professional and problem solving oriented team!
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
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.Â
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. Â
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. Â
Special software testing services such as QA audit goes from $5,000 to $25,000.Â
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:Â Â
Core functionality issues: Use functional testing to verify features work as expectedÂ
Unstable code or new features: Use unit testing for individual components and integration testing for modules working togetherÂ
Poor system stability after updates: Seek regression testing to make sure new changes didn't break existing featuresÂ
Performance and load issues: Use performance and load testing to evaluate speed and scalabilityÂ
Security issues: Security and penetration testing are commonly used across apps handling sensitive user dataÂ
Hard-to-navigate user experience (UX): Pursue usability testing to determine how intuitive the application is for end usersÂ
Low compatibility across devices: Compatibility testing can evaluate how good the app works on different browsers, devices, and OS versionsÂ
There is also the option to choose between manual and automated testing. Â
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. Â
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.Â
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. Â
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.Â
How do businesses measure the effectiveness of software testing?
The effectiveness of the software testing is measured via:Â
Code coverage: The percentage of the code that has been testedÂ
Defect density: The number of defects found per unit of codeÂ
Test case effectiveness: The percentage of test cases that identify defects; helps prune redundant and ineffective testsÂ
Time to detect and fix defects: The time it takes to identify and fix software defects and software bugsÂ
Defect leakage: The number of bugs that "escaped" to production versus those caught during the testing phase Â
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