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Software Testing Companies

Top Software Testing Companies

Q: 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.

Q: 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.

Q: 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.

Q: 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

4.6 avg. rating from 1,858 verified reviews

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

17 Companies - Rankings updated: September 04, 2026

Every agency on DesignRush has been evaluated for its expertise and client feedback to empower informed choices. Some listings include paid partnerships.

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Vention
Engineering peace of mind

At Vention, unparalleled customer care isnt just a promise its our mission. We blend personalized experience, unwavering attention to detail, and a genuine passion for your business, ensuring that every aspect of our collaboration is tailored to your success...

Top Services:

Software Development

Staff Augmentation

Mobile App Development

Software Testing

Web Development

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Location

New York City, New York

Number of Employees

1000 & Up

Average Hourly Rate

$50/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

15 Projects Listed
Vention Services

Software Development

Staff Augmentation

Mobile App Development

Software Testing

Web Development

Blockchain

AI Development

Cloud Consulting

CRM Consulting

Cybersecurity

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
IBM

PayPal

Cuvva

Costa Coffee

Memrise

Urban

Tailored Dog Food Delivery

RealVNC

Label on a Cable

ClassPass

Data sourced from the agency's DesignRush profile
Vention Reviews & Testimonials

Lee Tupper CTO at Remotiv (formerly Financial Soundings)

3.8 ★

Mobile App Development Review from Lee Tupper

Vention has delivered excellent design prototypes and accurate time estimates. The app is still in beta mode, and the partnership with [...] Vention will [continue] until the release of the next version. Vention is a reliable team that offers quality service. (Verified via email)

Jon Wade CTO & Founder at Union54

5.0 ★

Staff Augmentation Review from Jon Wade

Vention’s efforts allowed the successful development of the product, resulting in new customers. They provided backend developers, business analysts, UI designers, and QA testers to develop our solution. Vention cultivated a seamless partnership through constant updates and a collaborative approach. Overall, their team’s well-rounded expertise was impressive.

AJ Canty CTO and Co-Founder at Primer

5.0 ★

Web Development Review from AJ Canty

We’ve been working with Vention for quite some time and consider them an extension of our team, rather than an offshore vendor. We needed solid mobile developers to work with our in-house engineers to build our Primer SDKs on both mobile platforms. This was not a trivial thing as it required a lot of cross-functional communication, but the Vention team was up to the challenge. They quickly adopted the best practices we follow at Primer and proved to be effective and proactive.

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4.6 4.6 (6)

4.9 4.9 (18)
Kaizen Softworks
Developing Partnerships

At Kaizen Softworks, were here to make your business thrive with custom software solutions. Our team is a blend of skilled designers, software engineers and scrum masters who are dedicated to transforming your business challenges and ideas into effective software solutions...

Top Services:

Mobile App Development

Software Development

Software Testing

UI/UX Design

IoT

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Location

Boston, Massachusetts

Number of Employees

50 - 99

Average Hourly Rate

$60/hr

Minimal Budget

$25,000 - $50,000
Kaizen Softworks Services

Mobile App Development

Software Development

Software Testing

UI/UX Design

IoT

Staff Augmentation

Product Design

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
SmartSense by Digi

Blueport

CompTrain

SmartBorder

Livingston

CTM Travel

Data sourced from the agency's DesignRush profile
Kaizen Softworks Reviews & Testimonials

Mauricio Fleischer Dev Manager at CTM

5.0 ★

Software Development Review from Mauricio Fleischer

Working with Kaizen has been an overall joy and I would highly recommend them to anybody starting or already maintaining a software project of any kind.

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4.3 4.3 (1)
KitRUM
Engineering for live products where mistakes are expensive.

KITRUM is an engineering partner focused on building on top of live software products. We help them grow beyond their original design by modernizing architecture, adding new capabilities, and scaling systems without disrupting what already works...

Top Services:

Software Development

Mobile App Development

Web Development

IT Services

AI Development

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Location

Miami, Florida

Number of Employees

100 - 249

Average Hourly Rate

$50/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

11 Projects Listed
KitRUM Services

Software Development

Mobile App Development

Web Development

IT Services

AI Development

Software Testing

Staff Augmentation

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Mastercard

Airbnb

Ebay

Lulalend

PawSquad

FreightCenter

Turf Tank

StackSource

Proteus Motion

Ledgerset

Data sourced from the agency's DesignRush profile
KitRUM Reviews & Testimonials

Daniel Rondell CTO at Fintech Industry

5.0 ★

Software Development Review from Daniel Rondell

We are notably satisfied with the upshot. PMs and development team was very devoted to the tasks and encouraging. We had a stringent and fixed deadline. And we got it just in time! KitRUM helped us to create an entire software that absolutely meets our requirement. They had presented the system in a short-term after putting their hands on it. They also provide support after developing this software. We have a different project now and certainly will work with KitRUM again.

Adelina Romanova Manager at GR Business Networking / Groupe Reso International Corp.

5.0 ★

Software Development Review from Adelina Romanova

KitRUM expanded our team to shift software to a new platform. Using JavaScript and RESTful APIs, they improved interfaces and DevOps, and fixed bugs. The team has always been on time. Their ability to understand the business requirements and their communication was just perfect. I definitely will recommend KitRUM as a reliable partner.

Daisy Skot Client Manager at Nicholas Financial Inc.

5.0 ★

Software Development Review from Daisy Skot

KitRUM made a variety of development services: conception, coding, and QA, which means almost a full software package for our company. We needed to develop a few tasks, for example, a desktop app for our store, a cloud app for administration and supervision, and a portable app for end customers. However, we had an in-house team, which is not enough for this project. So we had to find a dedicated team that could deliver all we needed. We found KitRUM as a top-notch software development company

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4.8 4.8 (6)

5.0 5.0 (1)
Robosoft Technologies
Digital Consulting That Drives Business Innovation

Robosoft Technologies is an experience engineering company trusted by large global enterprises, ambitious startups, and mid-size companies worldwide. Our mission is to simplify every aspect of digital life, from utility services to entertainment and productivity at work...

Top Services:

Mobile App Development

UI/UX Design

Web Development

Software Testing

Software Development

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Location

San Francisco, California

Number of Employees

500 - 999

Average Hourly Rate

$50/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

16 Projects Listed
Robosoft Technologies Services

Mobile App Development

UI/UX Design

Web Development

Software Testing

Software Development

IT Services

Managed Services

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Warner Bros. Discovery

Magnolia

HSBC

Axis Mutual Find

Invesco Mutual Fund

McDonald's India

Titan World

Brightline

Al Maha Island

Room to Read

Data sourced from the agency's DesignRush profile
Robosoft Technologies Reviews & Testimonials

Issac John Ex-Business Head, Discovery Plus at Discovery India

5.0 ★

Wearables Review from Issac John

A global OTT provider - Discovery+ earlier this year, had a breakthrough launch in a cluttered OTT market like India with a differentiated product targeted at lifelong learners and passionate communities. The team at Robosoft played a significant role in building this multi-platform experience spanning iOS, Android, Web and Fire TVs. Their team comprises an extremely dedicated bunch of folks with a keen problem solving approach and under the stellar leadership of Ravi Teja, Jay Shah, Srinidhi Rao and Pooja Bal, they have been the kind of dependable partners that a lot of brands would be fortunate to have. I wish them and their team the best for their future.

Deepak Porayath former Head of Bangalore Operations at CapitaLand India

5.0 ★

Mobile App Development Review from Deepak Porayath

Our experience working with Robosoft has been quite good in terms of product and outcomes. With our CapitaStar@Work app for India business, the end goal was to bring our customers and their employees onto a digital platform. The objective was to integrate our solutions such as visitor, parking, and ticketing system management into a single app. CapitaStar@Work caters to our requirements and surely will make life simpler for our users. I would recommend Robosoft to others because it is a good organization to implement technological interventions in any traditional manufacturing, real estate, or brick-and-mortar industry.

Praphull Paliwal Ex-Director at McDonald's India

5.0 ★

Mobile App Development Review from Praphull Paliwal

Robosoft has been our digital partner for years. They have helped us manifest our vision of Direct-to-consumer through intuitive designs, effortless experience, and smart technologies. Our mobile-first and multi-experience approach has made users say, “I’m loving it!”. They are our one-stop agency for digital experience.

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4.7 4.7 (4)
Seedium
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
Seedium Services

Software Development

Mobile App Development

AI Development

Web Design

Staff Augmentation

Software Testing

Web Development

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
HerHeadquoter

Bunch

Smarter Contact

Welcome Renovation

Solo

Sport Stars

Data sourced from the agency's DesignRush profile
Seedium Reviews & Testimonials

Volodymyr Andrushenko CRO at Genius Software

5.0 ★

Web Development Review from Volodymyr Andrushenko

Collaborated with Seedium on developing a B2B SaaS platform. The team was very professional and delivered the project on time. They were quick to understand our needs and provide a perfect solution. We would highly recommend Seedium as a reliable software development partner.

Iryna Seleman Engagement Manager at Cortance

5.0 ★

Web Development Review from Iryna Seleman

Seedium didnt just complete the tasks, they genuinely cared about the success of our project. They proposed valuable solutions and improvements that made the original idea even stronger. The work was consistently high-quality, and every feature was delivered to our expectations and standards. We could rely on Seedium completely without micromanaging, as they took full ownership of their responsibilities.

Khrystyna Sliana Digital marketing manager at Red Jumpers

5.0 ★

Web Development Review from Khrystyna Sliana

The Seedium team always found the best solutions to our requests and was flexible in their work. They were a perfect fit for our requirements. Working with them, we were confident in delivery and quality. We will definitely keep working with them on our next projects.

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4.7 4.7 (4)
Marble IT
Creating and inventing together!

Marble IT delivers exceptional solutions with cutting-edge technology. Our agile teams create tailor-made Web and Mobile apps, Video Games, 3D encounters, and AR/VR solutions. We expand our knowledge to stay ahead of the curve and deliver unique solutions. We're here to help you achieve your goals!...

Top Services:

Software Development

Mobile App Development

Staff Augmentation

VR/AR

Web Development

Show more

Location

Novi Sad, Serbia

Number of Employees

Under 49

Average Hourly Rate

$40/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

23 Projects Listed
Marble IT Services

Software Development

Mobile App Development

Staff Augmentation

VR/AR

Web Development

eCommerce Development

Web Design

IT Services

Software Testing

Product Design

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Conga

ZENEGY

DesignLed

Dispensary Green

LOFT - Coffee and Food Bar

MAG Architecture

Coffee & Factory

Uppiness

Aqua Fresh

Fit Connector

Data sourced from the agency's DesignRush profile
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5.0 5.0 (2)
Singular
Your Innovation Partner

Singular is a specialized software development company that thrives on agile methodologies. We excel at leveraging Next Gen technologies, such as Flutter & FlutterFLow, to craft dynamic platforms that are remarkably adaptable, user-friendly, and high-performing...

Top Services:

Software Development

Web Design

eCommerce Development

Web Development

UI/UX Design

Show more

Location

Miami, Florida

Number of Employees

50 - 99

Average Hourly Rate

$65/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

13 Projects Listed
Singular Services

Software Development

Web Design

eCommerce Development

Web Development

UI/UX Design

Mobile App Development

Software Testing

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Osmo

Forge

Disney

Burger King

Charli Charging

Data sourced from the agency's DesignRush profile
Singular Reviews & Testimonials

Brittany Kernohan Founder at Chaîné

5.0 ★

eCommerce Development Review from Brittany Kernohan

I have been working with Singular for two years building a peer to peer e-commerce marketplace. The team is always very responsive and creative; I’ve appreciated their expertise and time.

Arthur Linares CEO at Cannabolt

5.0 ★

Mobile App Development Review from Arthur Linares

Cannabolt provides bitcoin infrastructure for the cannabis industry. Singular Design has delivered high-quality outputs in a timely manner. They've demonstrated stellar project management and communicated effectively via virtual meetings. I'm thrilled with Singular Agency's team.

Undisclosed Founder at RIMA Network

1.8 ★

Flutter Development Review from Undisclosed

The company has a salesman who overpromised, but once the project started, he was never found to address the underdeliver. Since the first brief, I made clear our products two main selling points. Two years after, I have had to learn some code to look under the hood and discover a half-baked and improvised "solution". Now, I ended up with an incomplete product that fails to deliver the two main functions I requested (and was promised). On top of that, there is a lack of order in terms of naming, cleanliness, and hierarchy. I cant recommend them.

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3.8 3.8 (3)
Qarbon IT
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
Qarbon IT Services

Software Development

Mobile App Development

UI/UX Design

eCommerce Development

IoT

AI Development

Blockchain

Software Testing

Staff Augmentation

IT Services

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Takamol Holding

Cryptospace

Golem Network

Elvia entertainment ltd

Clubspeed

Holiday park & resort

Komputronik Group

Mann + Hummel

Bay Shore High School Alumni Association

aeternity

Data sourced from the agency's DesignRush profile
Qarbon IT Reviews & Testimonials

Jonasz Wieclawski Review from Google

5.0 ★

Jonasz Wieclawski's Review Sourced from Google

The best IT team in Poland I've ever worked with. They solve problems and find solutions to challenges that most people would throw up their hands in disbelief. In my opinion, this is a testament to the caliber and quality of the developers who, to a greater or lesser extent, shape our business's success.

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4.6 4.6 (22)
Leo Coders
Digitalize your Dreams

Unlock the full potential of your business with Leo Coders Private Limited, you trusted partner for comprehensive IT, Digital, and Business Solution. Experience excellence through our Customized Software Development. Mobile Application Development, and Web Application Development services. Contact us today to...

Top Services:

Mobile App Development

Software Development

Staff Augmentation

IT Services

Software Testing

Show more

Location

Nagpur, India

Number of Employees

Under 49

Average Hourly Rate

$25/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

4 Projects Listed
Leo Coders Services

Mobile App Development

Software Development

Staff Augmentation

IT Services

Software Testing

Web Design

UI/UX Design

eCommerce Development

WordPress Website Design

Web Development

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Partment

Thrivelab

Antiresort

Perfina

WeConnect.Chat

Btroo

Mishrambu

Shapinghearts, Singapore

Bookeez

Unovest.co

Data sourced from the agency's DesignRush profile
Leo Coders Reviews & Testimonials

Joseph Rudolph Operations Manager at Hotel X Fortitude Valley

5.0 ★

Mobile App Development Review from Joseph Rudolph

We engaged Leo Coders several weeks ago to undertake the development of our application. Their professionalism and mastery of their craft have left us thoroughly impressed. Despite the intricacy of our project specifications, their team adeptly engineered our application from the ground up in under two months, a feat we initially estimated to require six to eight months. Furthermore, they graciously provided us with a few extra weeks for beta testing and marketing, which significantly contributed to our launch success. We are exceedingly pleased with their expeditious delivery and commend their team for their exceptional performance. Without hesitation, we highly recommend Leo Coders for any technical solution needs."

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4.3 4.3 (1)
CIGen
AI-native Azure consulting, development & modernization services

CIGen is a global digital transformation partner focused on modernizing and scaling essential business applications with cloud-powered solutions across Europe and North America...

Top Services:

Web Development

UI/UX Design

Cloud Consulting

Mobile App Development

Software Development

Show more

Location

Lviv, Ukraine

Number of Employees

50 - 99

Average Hourly Rate

$40/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

9 Projects Listed
CIGen Services

Web Development

UI/UX Design

Cloud Consulting

Mobile App Development

Software Development

AI Development

Software Testing

DevOps Consulting

Big Data Analytics

IT Services

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Small Business Industry

Fintech Industry

Healthcare Industry

Data sourced from the agency's DesignRush profile
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5.0 5.0 (6)
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Appdrawn
UK-based bespoke software development company

Appdrawn is a multi-award winning bespoke software development company based in London and Barcelona. We specialise in a consultancy led approach, delivering high quality bespoke digital platforms, business systems, progressive web apps (PWAs) and mobile apps...

Top Services:

Software Development

Mobile App Development

Web Development

UI/UX Design

IoT

Show more

Location

Watford, United Kingdom

Number of Employees

Under 49

Average Hourly Rate

$99/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

8 Projects Listed
Appdrawn Services

Software Development

Mobile App Development

Web Development

UI/UX Design

IoT

Software Testing

AI Development

Blockchain

VR/AR

ERP Consulting

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
The Kindness of Strangers

Oxford International

Imagine Property Group

Airlinen

Aspire Customer Communication Services

Renteq Highways

HSM (Highway Safety Management)

Beds & Herts LMC

Data sourced from the agency's DesignRush profile
Appdrawn Reviews & Testimonials

Mathew Neville Review from Google

5.0 ★

Mathew Neville's Review Sourced from Google

I've worked with many software development companies over the years and AppDrawn are comfortably the best delivery partners (huge apologies to everyone else...) The team's ability to add value into almost every area really creates a shared sense of ownership and partnership. Another big strength is that they go beyond wireframing and into basic design at an early stage which really helps decision making for non-technical peole like me!

Ray White Review from Google

5.0 ★

Ray White's Review Sourced from Google

I was looking for a company to help with a live calendar system that was visible to several operators who were out on the road. Any updates needed to be in real time across the board. The team at AppDrawn came up with an off the shelf product. They set the system to suit our needs and provided training to all users. The service was 1st class and extremely reasonable. AppDrawn went out of their way to cater for our needs. Brilliant! Ray White Oven Wizards

Collin van der Nest Review from Google

5.0 ★

Collin van der Nest's Review Sourced from Google

We have a good working relationship with AppDrawn and have referred them to our clients and the work delivered by them is of the highest standard. They saved one of our clients a large amount of time and money working with them to develop a streamlined system. We have no hesitation in recommending AppDrawn. Collin Director collheath IT

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5.0 5.0 (12)
Appuchino
Brewing Tasty Apps With Love

Appuchino is a mobile software development company with a strong focus on premium app quality and design. What we're good at: a) App development service for businesses. Appuchino addresses companies’ need for high-end mobile apps with user-oriented design. b) Developing our own apps. One of...

Top Services:

Mobile App Development

Software Development

UI/UX Design

Wearables

Software Testing

Show more

Location

Dublin, Ireland

Number of Employees

Under 49

Average Hourly Rate

$70/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

5 Projects Listed
Appuchino Services

Mobile App Development

Software Development

UI/UX Design

Wearables

Software Testing

VR/AR

Staff Augmentation

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Flipdish

Axonista

Phorest Salon Software

Clevr Mobility (Grüv app)

Noviscient

Higgins & Higgins

Runna

Data sourced from the agency's DesignRush profile
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ISBX
Designing and Building Platforms for Your AI Bot Development.

ISBX (Interactive, Strategy, Branding, Execution) stands as the premier web and mobile application development agency in Southern California, boasting extensive expertise across a diverse spectrum of digital services such as Mobile, Blockchain, IoT, Web3, and Web Development. With a track record of...

Top Services:

Software Development

Mobile App Development

Web Development

Blockchain

IoT

Show more

Location

Los Angeles, California

Number of Employees

50 - 99

Average Hourly Rate

$150/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

7 Projects Listed
ISBX Services

Software Development

Mobile App Development

Web Development

Blockchain

IoT

UI/UX Design

Web Design

Wearables

Software Testing

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Apple

RedBull

Lexus

American Honda

Brain Corp

Science 37

WAG!

USC

Pasco Scientific

Data sourced from the agency's DesignRush profile
ISBX Reviews & Testimonials

Peggy McCabe Review from Google

5.0 ★

Peggy McCabe's Review Sourced from Google

ISBX is a very professional and talented web development company. The overall experience I had with them in the redesign of our website was outstanding. They were extremely creative, provided viable options at all junctures, and delivered on time and on budget. ISBX also provided a very hands-on, and professional team who understood our need for brand engagement and outreach to a new audience with our website refresh. The team also optimized the new site for mobile usage which was very important to us. ISBX successfully executed our complex project efficiently, with excellent communication and attention to detail at every step. I wouldn't hesitate to work with them again.

Kim Farley Review from Google

5.0 ★

Kim Farley's Review Sourced from Google

ISBX helped us from concept to launch without any issues. They were communicative, patient, and able to quickly implement solutions to project changes that came up along the way. We appreciate that they took the time to hold our hands with explanations and detailed questions to make the process as stress free as possible and to get a good understanding of our product.

Tony Alfaro Review from Google

5.0 ★

Tony Alfaro's Review Sourced from Google

I've been a client of ISBX for nearly three years. They are hands down the best development firm I have ever worked with. They are on budget and on time consistently. They are trustworthy, highly communicative, and very versatile. Nothing is in the "too hard box" for them.

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5.0 5.0 (11)
OpenTurf Technologies
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
OpenTurf Technologies Services

IoT

Software Testing

AI Development

Blockchain

Mobile App Development

Software Development

VR/AR

Staff Augmentation

Managed Services

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Zeta

Terrapay

DishSling

Dubai Islamic Bank

YouCloud

Factoreal

YABX

Burpple

Comviva

Lifedata.ai

Data sourced from the agency's DesignRush profile
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X-Team
On demand elite tech talent

Since 2006, X-Team has helped companies scale high-performing engineering teams by connecting them with elite remote developers from around the world...

Top Services:

IoT

Software Testing

Blockchain

VR/AR

Mobile App Development

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Location

Austin, Texas

Number of Employees

500 - 999

Average Hourly Rate

$99/hr

Minimal Budget

$25,000 - $50,000
X-Team Services

IoT

Software Testing

Blockchain

VR/AR

Mobile App Development

Staff Augmentation

Cybersecurity

Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
Kaplan

FOX

Instil

Data sourced from the agency's DesignRush profile
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STS Software GmbH
STS Software GmbH - Leading Software Development Company in Switzerland

As an Olten-based business, STS Software GmbH boasts a strong force of software engineers. With this fortification, the STS Software GmbH team has reached a large number of prominent Swiss businesses as strategic partners, contributing to our already formidable industry standing...

Top Services:

Web Design

Web Development

Software Development

Mobile App Development

AI Development

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Location

Olten, Switzerland

Number of Employees

100 - 249

Average Hourly Rate

$40/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

1 Project Listed
STS Software GmbH Services

Web Design

Web Development

Software Development

Mobile App Development

AI Development

IoT

Software Testing

IT Services

Staff Augmentation

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YPO

Welio

Teco App

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Intuio Software Labs Pvt. Ltd.
Easy Innovations.

Intuio Software Labs Pvt. Ltd. specializes in designing and developing exceptional web, mobile, and digital products tailored for startups and established companies alike. Our team is dedicated to consistently delivering top-notch solutions, fueled by a passion for innovation and a commitment to excellence in...

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Software Development

Mobile App Development

eCommerce Development

Web Development

Web Design

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Location

Verna, India

Number of Employees

Under 49

Average Hourly Rate

$25/hr

Minimal Budget

$25,000 - $50,000

Portfolios Count

5 Projects Listed
Intuio Software Labs Pvt. Ltd. Services

Software Development

Mobile App Development

eCommerce Development

Web Development

Web Design

UI/UX Design

Software Testing

Cloud Consulting

Big Data Analytics

IT Services

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Accident. com LLC

Yoska

IP & Associates

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5.0 5.0 (3)

Software Testing Specializations

Services Related to Software Testing

Popular Services

Everything you need to know before hiring a software testing company

How can a software testing agency help my business?

A software testing agency can help you maintain good product quality, usability, security, and functionality, which builds customer trust in the long-term.

Research shows that dedicated QA services result in 22% less time spent on remediation and unplanned work.

By reclaiming this lost time, you can reallocate 29% more of your internal resources toward building new features.

The technical advantages are also substantial: having a software testing company on board often results in 2,555 times faster lead times and 200x more frequent deployment.

In addition, having a continuous testing infrastructure in place will allow you to recover from failures 24x faster, which subsequently will yield higher availability for your end users.

From a commercial standpoint, software testing companies prevent the technical friction that causes 67% of customers to abandon an application due to poor performance.

While some customer churn is inevitable due to external factors like user busyness or changing preferences, professional testing will make sure that technical instability is never the cause.

In essence, a software testing agency can provide the validation required to scale your product reliably.

How can I measure return on investment (ROI) in test automation?

In addition to risk mitigation, test automation ROI measures the time saved by automated execution compared to the manual effort required for the same tests. The value can be further determined based on the following:

Direct cost reduction: By quantifying the reduction in manual testing hours, organizations see a drastic drop in per-test costs. Automation enables faster release cycles and optimizes resource usage.
Risk reduction: Beyond simple bug-hunting, this refers to the business impact of prevented production defects. Higher test coverage automation catches security vulnerabilities and customer experience failures before the software gets launched, subsequently saving the brand from costly remediations and reputational damage.
Revenue acceleration: By deploying features faster, companies can realize revenue sooner and improve customer satisfaction through rapid iterations.
Team productivity: When considered as an investment, automation testing facilitates better resource allocation, allowing skilled engineers to focus on innovation rather than repetitive tasks, which improves overall team productivity and agility.

What should I consider before hiring software testing firms?

Before hiring software testing firms, discuss their expertise in both manual and automation tools, assess their reputation via references, evaluate culture fit, and determine compatibility with your time zone.

Here are some key considerations:

Technical expertise
Confirm the firm has experience with your technology stack and specializes in necessary testing types.
Industry experience
Choose firms with a proven track record in your vertical to make sure you’ll be working with people who understand the relevant regulatory standards and typical user behaviors across the niche.
Communication
Discuss the frequency of the updates you will receive. Preferably, choose a software testing company that operates within your time zone to avoid delays.
Reputation
Request case studies and speak directly with past clients to verify their reliability and quality of work.
Security
Inquire about their data security measures, especially if handling sensitive information, and check for relevant certifications (e.g., ISO, ISTQB).

How can I find a specialist on DesignRush that fits my budget?

To help you find software testing companies that are within your spending expectations, we have prepared a list of providers across different price points:

High budget: $50,000+	Kodevent Azumo QOLOS BairesDev itCraft
Low budget: $25,000 to $50,000	Alty Geomotiv Techforce Global Shinetech Software Vention

Beyond budget, our directory allows you to narrow down agencies by hourly rate, location, service type, team size, reviews, and more.

What questions should I ask software testing companies before signing a contract?

Before signing a contract with a software testing company, ask some of the following question to make sure the candidate is a good fit for the project:

Relevant Background

How long have you been in business?
What types of testing do you specialize in?
Have you worked on projects similar to mine before?
What certifications do your software testers have?

Services and Processes

Which tools and frameworks do you use for manual and automated testing?
How do you report bugs and track progress during the project?
What is included in your pricing, and are there any extra costs?
Do you provide QA on a retainer basis?

Related to Your Project

Who will be our main point of contact?
How frequently will we receive updates?
How much will our team be involved in the process?
What will you need from us before starting the tests?

Why People Trust DesignRush

Rated 4.8 on Google and 4.7 on Trustpilot, DesignRush Agency Directory is a reliable resource for finding software testing companies. We owe this to our executive selection team, which follows a strict screening process when featuring agencies on the platform, assessing key performance indicators, like portfolio, client reviews, and industry reputation.

Learn more about DesignRush Agency Ranking Methodology.

Sources

DesignRush sustains a directory of over 30,000 agencies categorized by service category, location, expertise, and reviews. We build our database in two ways:

Our dedicated team of agency experts actively searches the web for top-performing companies. We then pull information from their websites, online presence, and client testimonials to verify their status and qualifications prior to listing.
The agencies listed get notified of their profiles on the website and they can choose to claim it or not, which suggests their availability for more collaborations.

Agencies can also reach out to DesignRush and must go through the verification process prior to being listed.

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:

Functional testing
Performance testing
Security testing
Usability testing
Regression testing
Automation testing
Accessibility testing
Mobile app testing
API testing
Compatibility testing across devices/browsers
Compliance testing
Testing with artificial intelligence (AI) tools
QA audit

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

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On demand elite tech talent

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STS Software GmbH - Leading Software Development Company in Switzerland

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