Top Software Testing Companies to Work with in 2023

Selection Criteria

All software quality assurance companies on this list have:

• An average rating of 4.5+out of 5.
• 10+ reviews on G2, Clutch, and GoodFirms.
• Detailed comments about their work from clients.
• 5+ years of experience.

These aspects allowed us and will help you better assess the QA companies’ services, approaches, and expertise. A combination of these parameters was the basis for choosing the top 10 software testing companies in the world.

Best of luck with QA hunting, and hopefully, this list will help with your search.

QA Madness – Dedicated, Quick, Professional

Well, there’s no other company we can recommend that confidently 😉 Jokes aside, it’s only possible thanks to the clients who trusted us with a variety of projects over the years and their feedback that allowed our team to grow and get secure in our skills (you can always check out G2 and Clutch for more details).

QA Madness can cover pretty much all your software needs. The full-service approach means that the team is ready to accommodate any project, from testing to QA process setup, IT recruitment, cyber security, and, in some cases, even software development. We believe that quality is a competitive advantage for businesses and do everything to help gain this advantage.

Avg. rating: 4.8/5

Years of experience: 10+

Core services:

• Web, mobile, and desktop app testing.
• Manual and automated testing.
• Development and AI, cybersecurity, and digital commerce.
• Quality assurance, QA audit and consulting, and testing documentation upkeep.

Key clients:

• Orderly
• Varis
• Vaimo
• DotcomWeavers
• Lunaphore
• Solarflare studio
• Fishermen Labs
• Naduvi
• Rock Paper Reality
• Acumen Commercial Insights
• Brkfst
• International Institute for Anti-Ageing
• Calcurates
• FightCamp
• Virtusize
• Above The Fray Design, Inc
• SupportDesk

HQ: Warsaw, Poland.

What clients say: Professional team, timely and pleasant communication, improved customer satisfaction.

Avg. hourly rate: Up to 25$/hour.

Capital Numbers – Skilled, Transparent, Reliable

Capital Numbers is next on today’s list of top software testing companies – known for their expert team, as the company selects only the best talents. The versatile and proficient specialists are focused on delivering results “no matter what.” You can entrust your product to Capital Numbers’ professional minds and be sure of positive outcomes.

Avg. rating: 4.8/5

Years of experience: 11+

Core services:

• Web, mobile app, custom software, and e-commerce application development.
• Testing and QA.
• Product engineering and UI/UX design.
• DevOps consulting and digital transformation.

Key clients:

• Reuters
• Tipalti
• Mphasis
• Proposify
• ST Engineering
• Swiggy
• Colart
• RoboBai
• Renmoney
• Amount
• Consumer Reports

HQ: Kolkata, West Bengal.

What clients say: Hard-working and skilled experts, strong communication, reliability.

Avg. hourly rate: Up to $25/hour.

QA Source – Powerful, Open, Flexible

QA Source believes in the power of clear communication. They put great emphasis on open and thorough discussions to better understand their clients and deliver specially tailored services. QA Source is among the software testing companies that have everything to support and advance your project.

Avg. rating: 4.7/5

Years of experience: 21+

Core services:

• Manual and automated testing.
• Mobile app testing.
• QA consulting and analysis.
• Salesforce, SAP, and enterprise testing.
• IoT and blockchain testing.

Key clients:

• Facebook
• IBM
• Oracle
• Dartmouth University
• Fun Mobility
• Wolters Kluwer
• Silk Road
• Elastic
• MikMak
• Intalio

HQ: Pleasanton, USA.

What clients say: Adaptable, seamless team integration, ample and rich resources and specialists.

Avg. hourly rate: $25-$49/hour.

Vates – Cohesive, Efficient, Talented

Vates outshines quite a few software quality assurance companies, not only in service quality. Nearly all specialists working there note the inspiring team spirit that benefits employees and clients. This sense of unity, expertise, and ample experience combine to present you with optimal solutions and development.

Avg. rating: 4.7/5

Years of experience: 30+

Core services:

• Custom software development.
• Application testing.
• IT Consulting.
• Project maintenance and support.
• Big data analysis and IoT integrations.

Key clients:

• IBM
• Oracle
• Siemens
• HP
• Motorola
• NEC
• FIAT TYCO
• Accenture
• At&T
• SAS
• Citibank
• Stoller
• Tenaris

HQ: Atlanta, USA.

What clients say: Responsiveness, attentiveness, punctuality.

Avg. hourly rate: $25-$49/hour.

Testlio – Accommodating, Trusted, Masterful

Something special that distinguishes Testlio from many software quality assurance companies is their community. With sophisticated specialists around the globe and a culture that centers on empowering others and kindness, Testlio drives testing innovation to help others. They truly seek to make a positive impact on your project and the tech world.

Avg. rating: 4.7/5

Years of experience: 11+

Core services:

• Quality assurance.
• Quality engineering.
• Crowdsourced testing.
• Outsourced testing.

Key clients:

• Amazon
• Athena Health
• Microsoft
• NBA
• Netflix
• Paramount
• PayPal
• SAP
• Apple
• HBO
• Roku

HQ: Austin, USA.

What clients say: Great community, organized, proactive.

Avg. hourly rate: $25-$49/hour.

Wolfpack Digital – Friendly, Sharp, Creative

Halfway through the list of the best software testing companies, meet Wolfpack Digital. It has gathered an impressive team of young professionals who prioritize honest feedback and work. Their commitment to the project and continuous improvement have helped many organizations reach new heights. This QA testing company will make your talents feel like a true “pack” that strives for greatness.

Avg. rating: 5/5

Years of experience: 8+

Core services:

• Quality assurance, application testing, and maintenance and support.
• AI integration.
• Mobile and web app development.
• Business strategy and product definition.
• UI/UX design.

Key clients:

• Musgrave
• The Bosco
• GoodBox
• Banca Transilvania
• Makerist
• Planet of Finance
• Anyline
• Transreport
• FirstAgenda
• Amplicare
• Storyball
• AutoUncle

HQ: Cluj-Napoca, Romania.

What clients say: Professional decision-making and management, easy to work with, impressive communication.

Avg. hourly rate: $50-$99/hour.

Quality Logic – Passionate, Collaborative, Customer-Oriented

Looks like for Quality Logic customers and quality truly come first. Their detail-oriented approach transforms outsourced software testing into personalized support that goes beyond “simple testing”. Partnering with this automation and testing company means sure success with any issue you might have.

Avg. rating: 4.9/5

Years of experience: 35+

Core services:

• Software testing and QA.
• Test automation.
• Test tools development.
• Big data analytics and telemetry.
• Technology training.

Key clients:

• Disney
• Mighty Networks
• Lexicon
• HP
• Tesla
• eHarmony
• Stand Up 2 Cancer
• Verizon
• Adobe
• Cisco
• eHarmony

HQ: Boise, USA.

What clients say: Exceptional services, impressive expertise, thoroughness.

Avg. hourly rate: $25-$49/hour.

Southern Code – Versatile, Meticulous, Original

Southern Code is indeed in love with IT solutions. They offer a comprehensive range of high-quality services to satisfy your requirements. Whether you want to build a product from scratch, improve existing projects, or advance your team – Southern Coders will dive into your needs and fulfill them with the uttermost dedication.

Avg. rating: 4.9/5

Years of experience: 8+

Core services:

• UI/UX design.
• Software development.
• Team augmentation.
• Testing and QA.

Key clients:

• Reside Worldwide
• INE
• 3Sixty
• Westbridge Capital
• Scopes Facility Services
• LafargeHolcim
• Warner Chappel Music
• Internetwork Exp
• Diesel Lange
• Pyplan
• Ungga
• ClickDealBuy!

HQ: Beaverton, United States.

What clients say: Exceeding expectations, attentive, savvy.

Avg. hourly rate: $55-$99/hour.

ScienceSoft – Responsible, Precise, Motivated

ScienceSoft is the paragon testing company. With three decades of experience and world-famous clients, ScienceSoft seems to have found the ideal blend of expertise, research, and communication to offer you what you need. And thanks to their profound understanding of the industry, they can enhance your project in ways you couldn’t imagine.

Avg. rating: 4.7/5

Years of experience: 30+

Core services:

• Software, web, and mobile app development.
• Testing and QA.
• Infrastructure services.
• Digital transformation and managed IT services.
• Data analytics and cybersecurity.
• IT outsourcing, consulting, and support.

Key clients:

• Ford Motor Company
• Deloitte
• eBay
• Walmart
• Heinz
• Nestle
• IBM
• NASA
• JPL
• T-Mobile
• M&T Bank
• PerkinElmer
• Airpas
• Leo Burnett

HQ: McKinney, United States.

What clients say: In-depth knowledge, go the extra mile, incredible engagement.

Avg. hourly rate: $55-$99/hour.

QAlified – Forthcoming, Genuine, Resilient

QAlified is fully committed to solving testing challenges and providing powerful support and solutions to their clients. This software testing company puts a spin on IT best practices and methods to polish current approaches and deliver quality as envisioned by its customers. QAlified aspires to be the perfect manual and automation testing company and will do anything to accommodate your project.

Avg. rating: 4.9/5

Years of experience: 30+

Core services:

• Application testing.
• Test automation.
• Test consulting and workshops.

Key clients:

• NASA
• Gemological Institute of America (GIA)
• BlueCross & BlueShield
• MAPFRE
• Boscov’s
• Liquibase
• Loog Guitars
• Brightwell
• MEF Uruguay
• Ceibal
• BSE
• eWave

HQ: Montevideo, Uruguay.

What clients say: Excellent problem solvers, always on time, cooperative.

Avg. hourly rate: $25-$49/hour.

To Sum Up

As technology continues to evolve, these top 10 software testing companies stand as beacons of assurance. They demonstrate that the pursuit of perfection is not only possible but achievable. Don’t forget that this list doesn’t discuss up-and-coming organizations due to limited reviews or information. But there are still many great potential QA services. You only have to choose them wisely.