9 Oct 2026 · TrustList Editorial
Klarent raises $8m to bring AI-written software tests to the US
The Zurich company bills customers only for verified test outcomes and counts JD Sports, NZZ and Sixt as customers; its founders are…
25 software testing companies ranked by rating, review volume and listing quality.
Between them, the 25 software testing companies on this page cover software development (14), eCommerce (13), quality assurance (12) and web development (11). 25 of them have written a profile you can read before you get in touch.

Custom Software Development · Software Development · Web Development · Also in Tallinn
ElmoSoft is a software company that builds and tests web and mobile products, with a focus on fintech and software-as-a-service businesses.

Mobile App Development · Custom Software Development · Search Engine Optimization · Also in Bengaluru, India and Pune
QA InfoTech - Your Software Testing Partner is an independent software quality assurance and testing company.

Search Engine Optimization · Quality Assurance · Web Development · Also in United Kingdom
Digivante helps organisations test and improve their digital services.

Mobile App Development · Software Development · Web Development · Also in United Kingdom
BugFinders is a crowdsourced software testing company. It tests websites and mobile apps that customers use, drawing on a community of more than 55,000 professional testers.

Software Development · IT Services · IT Outsourcing · Also in Germany
Applause GmbH is the German arm of Applause, a software testing company that began as uTest in 2007.

Software Development · Quality Assurance · E-Commerce Development · Also in United States of America
TestFort is a software testing company that has operated since 2001. It tests applications before release and also tests the AI features built into products.

Mobile App Development · Software Development · Quality Assurance · Also in United States of America
QAwerk is an independent software testing agency and QA outsourcing company.

Video Games Development · Software Development · Quality Assurance · Also in Ukraine
SnoopGame QA is a quality assurance company that tests video games. It began as a team working on one project and grew into an international games-focused QA lab.

Mobile App Development · Quality Assurance · E-Commerce Development · Also in United States of America
Ubertesters is a managed crowdsourced software testing company.

Software Development · Quality Assurance · Web Design · Also in Poland
makeitright is a Polish IT consultancy formed in 2013 by specialists in change management within IT environments. It builds on that background to offer process and project work.

Software Development · Quality Assurance · Web Development · Also in Czech Republic
Tesena is a company specialising in software testing and quality engineering.

Quality Assurance · IT Services · IT Solution · Also in United States of America
Testlio provides software testing through a managed community of testers around the world.

Video Games Development · Software Development · Quality Assurance · Also in Romania
WHYTTEST is an outsourced testing company headquartered in Bucharest, Romania, with a second office in Belgrade, Serbia. It has operated since 2014.

Financial Services · Information Technology · eCommerce · Also in Shanghai and Bath
51Testing is an independent software testing company headquartered in Shanghai, China. It supplies quality assurance testers and testing services to companies in China and abroad.

Financial Services · Information Technology · Automation
ditCraft is a software testing company that offers testing as an outsourced service to software teams.

Information Technology
Divine Cloudland Services is a boutique software testing firm that provides manual, automation, mobile and UAT testing.

Quality Assurance · Automation · Recommendations
Exactest is a software testing company that helps clients improve the quality of their software.

Advertising & Marketing · eCommerce · Android
Fleek IT Solutions is a software testing company in India that offers QA outsourcing services.

Advertising & Marketing · Financial Services · Automation · Also in Massachusetts and Boston
Iterators LLC is an independent software testing company focused on accessibility.
Mobile App Development · Software Development · Web Development · Also in Germany
Testbirds is a crowdtesting company founded in Munich in 2011.
Web Development · Web Design · IT Services · Also in India
BrowserStack is a software testing platform that gives development teams access to real browsers, operating systems and phones for checking websites and mobile apps.
Software Development · Quality Assurance · E-Commerce Development · Also in Germany
ReTest GmbH makes software for automating tests of graphical user interfaces. The company was founded in 2017 with the aim of making this kind of testing easier and smarter.
Web Development · Web Design · IT Services · Also in United Kingdom
2i Testing provides independent software testing and quality assurance consultancy, mainly for UK financial services and public bodies
Software Development · Web Development · IT Services · Also in Switzerland
SwissQ Consulting AG helps clients plan and deliver IT solutions so that end users get the functions they actually need.
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Every other way we rank software testing companies, by what they do and where they are.
Articles on this subject first, then the newest.
9 Oct 2026 · TrustList Editorial
The Zurich company bills customers only for verified test outcomes and counts JD Sports, NZZ and Sixt as customers; its founders are…
6 Oct 2026 · TrustList Editorial
Nigeria's testing qualifications board has backed the guideline but wants enforcement scaled to risk, arguing a brochure website should not…
1 Oct 2026 · TrustList Editorial
Capgemini sold its US government unit to ITC Federal; Valtes bought OPTiM; GMO Commerce took over GMO NIKKO and GMO Insight; Usonar bought…
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