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
10 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.
𝐄-𝐜𝐨𝐦𝐦𝐞𝐫𝐜𝐞 is one of the main areas of DevIT work. Our team has extensive knowledge of various technologies. This allows us to create fast, flexible, responsive, attractive, and user-friendly stores and Shopify apps...
Top Services:
eCommerce Development
Web Development
Software Development
IT Services
Web Design
Show more
Location
Toronto, Canada
Number of Employees
100 - 249
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
29 Projects Listed
DevIT Services
eCommerce Development
Web Development
Software Development
IT Services
Web Design
UI/UX Design
Software Testing
IT Compliance Solution
WordPress Website Design
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
AfterSell by Rokt | Shopify App
Karstgoods | Website & WebApp
Heliguy | Website & WebApp
UpsellPlus Checkout Upsells | Shopify App
UpCart - Slide Cart Drawer | Shopify App
OutSell Cross Sell & Upsell | Shopify App
Antla | Shopify App
ConvertMax PostPurchase Upsell | Shopify App
Stored microsites on demand | Shopify App
Push Down & Hide Out Of Stock | Shopify App
Data sourced from the agency's DesignRush profile
DevIT Reviews & Testimonials
Denis Khorolsky COO at WiserBrand
5.0★
Applications Review from Denis Khorolsky
We worked with DevIT on a Shopify app for one of our ecommerce clients. The app handled product personalization, pricing rules, and personalized order data, while our team worked on the main Shopify platform and customer experience. The teams worked well together, and the client was able to launch the new feature without changing the existing store.
Oleksandr Romanov Founder & CEO at Idea Team
5.0★
Small Businesses Website Development Review from Oleksandr Romanov
We worked together with DevIT Group on a financial operations platform for a shared client. Our team focused more on the core product and Python backend, while DevIT handled the infrastructure side using Node.js services built with NestJS and Fastify.They worked on integrations, payment flows, internal APIs, notifications, and async processing between different services. A lot of the project depended on things working reliably in the background, and their part stayed stable even as new integrations were added later.The collaboration felt pretty easy overall. Most discussions were direct and technical, without too much unnecessary process around them.
Viktoriia Rekonvald HR & Strategic Partnerships Manager at Stubbs
5.0★
Small Businesses Website Development Review from Viktoriia Rekonvald
We worked alongside DevIT Group on a fintech platform for a shared client. Our team handled the blockchain layer, while DevIT was responsible for the web application built on a MERN stack.They took care of the full application layer, including the React frontend and Node.js backend. Their part covered wallet connection flows, transaction tracking, and syncing on-chain data with the app. The way they handled API logic and off-chain data storage kept the system predictable even when blockchain confirmations were delayed.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
VerifiedVerified by the DesignRush team for authenticity and credibility.
Premiere Mobile Applications
75+ Mobile Apps Shipped. 12+ Apps Featured by Apple & Google. 20M+ Downloads...
Top Services:
Mobile App Development
Product Design
UI/UX Design
Design Services
Web Design
Show more
Location
Irvine, California
Number of Employees
Under 49
Average Hourly Rate
$70/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
11 Projects Listed
TouchZen Services
Mobile App Development
Product Design
UI/UX Design
Design Services
Web Design
Web Development
Software Testing
Software Development
Business Consulting
Staff Augmentation
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
UCLA
Beachbody
FullyRaw by Kristina
Children's Hospital Los Angeles
Harman/Kardon
Amalfi Jets
JetBay
SHRED
Get Cover
Cancer Buddy
Data sourced from the agency's DesignRush profile
TouchZen Reviews & Testimonials
Domenic Fraboni COO at The Mobility Method LLC
5.0★
Mobile App Development Review from Domenic Fraboni
We couldn't be more pleased with our experience with TouchZen. They took over a bad situation left behind by our previous development team and have been able to continue to build new features while cleaning up the old project. We have been very pleased with their developers responsiveness as well as the project management. I would highly recommend working with them for any of your web or mobile app development needs.
Brett Lassig President at Get Cover LLC
5.0★
B2C Apps Review from Brett Lassig
We have been extremely impressed with TouchZen's development team behind the Get Cover Mobile App. Their approach has been collaborative, and responsive to the needs of our warranty and claims environment.The app is intuitive for end users while still delivering the robust functionality needed on the backend, especially around claims processing, and real-time updates.Their diligence has made a significant impact. Features like streamlined claim submission, status tracking, have enhanced both customer satisfaction and operational efficiency.Overall, this highly capable and professional development team has delivered quality work and stands behind it. We look forward to continuing to build and scale with them.
Dr Asa Frey president at Back to the Garden
4.8★
Mobile App Development Review from Dr Asa Frey
They worked on our app and continue to work on it to this day. We originally had a bad experience with various developers and ended up with a bunch of code and no functioning app - touchzen took the code and audited it and made it work and it work great now. Can't complain - still going to work with them and I would recommend to anyone who wants it done right.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
VerifiedVerified by the DesignRush team for authenticity and credibility.
AI-Powered Innovation, Delivered
Debut Infotech is a leader in advanced technological solutions, specializing in AI, Blockchain, Smart Contracts, IoT, and mobile and web development...
Top Services:
AI Development
Web Development
Blockchain
Mobile App Development
Software Development
Show more
Location
Springfield, Illinois
Number of Employees
100 - 249
Average Hourly Rate
$30/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
17 Projects Listed
Debut Infotech Services
AI Development
Web Development
Blockchain
Mobile App Development
Software Development
Software Testing
Cloud Consulting
Business Consulting
IT Services
Wearables
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Nordic Strong
WellPoP
Aithentic
NDAX
PRC Coin
P2B
Best Western
Unique School
Integra Ledger
Friendspire
Data sourced from the agency's DesignRush profile
Debut Infotech Reviews & Testimonials
James Carter Review from Google
5.0★
James Carter's Review Sourced from Google
Our company aimed to launch a trading platform but struggled with security planning and system performance. Debut Infotech supported us with crypto exchange development services using Node.js, blockchain integration, and secure wallet APIs. Their solution helped us deploy a stable exchange environment with improved transaction handling.
Andrew Ethan R. Review from Google
5.0★
Andrew Ethan R.'s Review Sourced from Google
Debut Infotech efficiently addressed the performance and scalability challenges in our mobile app. They quickly diagnosed the issues and delivered a stable solution using up-to-date development tools. The project was completed on time with clear communication throughout.
Blunt David Review from Google
5.0★
Blunt David's Review Sourced from Google
I had the pleasure of working with Debut Infotech for DeFi development, and I am extremely satisfied with their expertise and service. Their team utilized a comprehensive suite of tools, including smart contract generators, DeFi protocol integrators, and liquidity pool management tools, all of which streamlined the development process. They not only helped us build secure and scalable decentralized finance solutions, but also provided automated yield farming and staking platforms that significantly boosted user engagement. Their focus on security, with built-in auditing tools, gave me confidence throughout the project. I highly recommend Debut Infotech to anyone looking for reliable, efficient, and innovative DeFi development.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Mobitouch is a software development company from Poland specializing in mobile app development, web development, Flutter, .NET, React, UX/UI design, AI solutions, VR/AR, MVP development, product design, and staff augmentation for startups, scaleups, and enterprise clients...
Top Services:
Mobile App Development
Software Development
AI Development
Web Design
UI/UX Design
Show more
Location
Rzeszów, Poland
Number of Employees
Under 49
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
24 Projects Listed
mobitouch Services
Mobile App Development
Software Development
AI Development
Web Design
UI/UX Design
Web Development
Product Design
Staff Augmentation
eCommerce Development
Software Testing
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Itaka
Jeronimo Martins
PEKAES
Data sourced from the agency's DesignRush profile
mobitouch Reviews & Testimonials
Rav Niemiec Review from Google
5.0★
Rav Niemiec's Review Sourced from Google
I have implemented 2 projects with the company. iT. 5 stars for professionalism and on-time delivery + Bonus for the mega approach to after-sales service and maintenance. I recommend.
juan lancara Review from Google
1.0★
juan lancara's Review Sourced from Google
This website is a scam, designed to steal your money. After you invest, they continue to request funds, and when you can't afford the requested amount, they don't return your investment.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
Award WinnerRecipient of a Best Design Award for outstanding work.
Bridge the Gap Between Ideas & Digital Experiences
Actively identify tech & product opportunities to transform your ideas into engaging and accessible digital experiences.Our clients from Africa, US or EU enjoy great returns such as 2M monthly users or 10k downloads in the first 10 days of launching their app...
Top Services:
Mobile App Development
Web Development
Software Development
Product Design
UI/UX Design
Show more
Location
Cluj-Napoca, Romania
Number of Employees
Under 49
Average Hourly Rate
$60/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
17 Projects Listed
X2 Mobile Services
Mobile App Development
Web Development
Software Development
Product Design
UI/UX Design
Software Testing
VR/AR
AI Development
Market Research
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Most businesses know something is slow or broken. They don't know exactly what to fix, or where AI actually fits. We start there: map your processes, find the highest-ROI automations, then build, run, and help your team adopt them as your ongoing AI automation partner. Certified n8n Expert Partner, Clutch...
Top Services:
AI Development
Mobile App Development
Software Development
CRM Consulting
IT Services
Show more
Location
Tuckahoe, New York
Number of Employees
Under 49
Average Hourly Rate
$80/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
3 Projects Listed
2V Automation Services
AI Development
Mobile App Development
Software Development
CRM Consulting
IT Services
Cloud Consulting
Web Development
Software Testing
UI/UX Design
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Custom Software Development Company For Startups And SMBs
Peppernode provides custom software development services for SMBs and startups. Our offerings include MVP development, product development, software testing and automation, and team augmentation. We can either work as your project team or supply vetted specialists to fill resource gaps. With us, you get...
Top Services:
Software Development
Mobile App Development
Software Testing
Staff Augmentation
Show more
Location
Tallinn, Estonia
Number of Employees
Under 49
Average Hourly Rate
$30/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
3 Projects Listed
Peppernode Services
Software Development
Mobile App Development
Software Testing
Staff Augmentation
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Tapptitude is a Product Studio that partners with funded startups and established brands to build interactive, mobile-first products that people love to use. We work with our clients as Product Partners, supporting them proactively throughout the journey from idea to launching a product and scaling it up...
Top Services:
Mobile App Development
Software Development
Web Development
Software Testing
Web Design
Show more
Location
Cluj-Napoca, Romania
Number of Employees
Under 49
Average Hourly Rate
$40/hr
Minimal Budget
$10,000 - $25,000
Portfolios Count
6 Projects Listed
Tapptitude Services
Mobile App Development
Software Development
Web Development
Software Testing
Web Design
eCommerce Development
UI/UX Design
Digital Services
Digital Strategy
Business Consulting
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Glorify
Imobiliare.ro
Bond
Hifumi
Minderful
Slite
OnTapp
Tap2Map
NeonMango
Reverse Health
Data sourced from the agency's DesignRush profile
Tapptitude Reviews & Testimonials
Cristina Ladar Review from Google
5.0★
Cristina Ladar's Review Sourced from Google
Happy they removed the health insurance and replaced it with health services reimbursement. Thanks to that I actually have full autonomy to request for the services I need. The initial insurance wasn’t covering for the need I had.
Reviews verified by DesignRush and sourced from the agency's profile View All Reviews
unicrew is a full-scale software development, consulting and design company, which provides a full spectrum of services - from design and software development to the unfailing commitment to quality assurance...
Top Services:
Software Development
Product Design
Web Design
Web Development
eCommerce Development
Show more
Location
Lviv, Ukraine
Number of Employees
50 - 99
Average Hourly Rate
$60/hr
Minimal Budget
$10,000 - $25,000
unicrew Services
Software Development
Product Design
Web Design
Web Development
eCommerce Development
AI Development
Mobile App Development
Software Testing
DevOps Consulting
Cybersecurity
Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
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.
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
ReceiveProposals
For your project
1
Specify your budget, timeline and project requirements
2
Our experts curate a list of up to 5 most qualified candidate agencies
3
We connect you with them so you can choose the most suitable partner