Top IT Service Providers for Quality Assurance

Between them, the 24 IT service providers on this page cover UI/UX design (17), web design (17), web development (16) and software testing (15). They also list work in United States of America, India and Ukraine. 24 of them have written a profile you can read before you get in touch.

1. 1

   

   Nityo Infotech

   Mobile App Development · UI/UX Design · Web Design · Also in United States of America

   Global IT services and staffing company offering AI, digital engineering, data and workforce solutions from a New Jersey base

   Write a review

   Why #1: Founded 2006 · ISO 9001, ISO 27001, professional accreditation, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

2. 2

   

   Trigent Software Inc.

   Mobile App Development · UI/UX Design · Web Design · Also in United States of America

   Trigent Software Inc. is a software engineering company that began in IT outsourcing and offshore development.

   Write a review

   Why #2: Founded 1995, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

3. 3

   

   Sevenval Technologies GmbH

   UI/UX Design · Web Development · iOS App · Also in Germany

   Sevenval Technologies GmbH is a web technology company with offices in Cologne, Berlin and Vienna.

   Write a review

   Why #3: Founded 1999, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

4. 4

   

   xITee k.s.

   Software Development · E-Commerce Development · IT Services · Also in Czech Republic

   xITee k.s. is a digitalisation company based in Prague, with branches in Germany and Austria. It was established in 2004 and now has staff from more than 13 countries.

   Write a review

   Why #4: Founded 2004, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

5. 5

   

   Arbisoft

   Mobile App Development · UI/UX Design · Web Design · Also in United States of America

   Arbisoft is a software engineering company that says it has been operating since 2007.

   Write a review

   Why #5: Founded 2007 · Team of 750+, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

6. 6

   

   AFour Technologies

   Mobile App Development · Custom Software Development · UI/UX Design · Also in Pune

   AFour Technologies is a software product engineering firm, also known as AFour, set up in 2007.

   Write a review

   Why #6: Founded 2007, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

7. 7

   

   profiq

   UI/UX Design · Software Testing · Software Development · Also in Czech Republic

   profiq provides software development, software testing and DevOps teams. The firm started out in testing and quality assurance and added development over the years.

   Write a review

   Why #7: Founded 2010, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

8. 8

   

   Qualium Systems

   Mobile App Development · Software Testing · iOS App · Also in Kharkiv, Ukraine

   Qualium Systems is a software development company building spatial computing, AI, mobile and web applications.

   Write a review

   Why #8: In business 15+ years, as stated on its own website, read 6 Oct 2026

   Not yet on record: client reviews, vetting.

9. =9

   

   5 Exceptions Software Solutions Pvt Ltd

   Mobile App Development · UI/UX Design · Web Design · Also in Indore, India

   5 Exceptions Software Solutions Pvt Ltd is an offshore software development company in India. Five experienced technical people founded it in 2015.

   Write a review

   Why #9 (shared): Founded 2015, as stated on its own website, read 5 Oct 2026

   Not yet on record: client reviews, vetting.

10. =9

    

    EltexSoft, LLC

    Custom Software Development · UI/UX Design · Web Design · Also in United States of America

    EltexSoft is a boutique software engineering studio headquartered in Los Angeles.

    Write a review

    Why #9 (shared): Founded 2015 · Boutique, as stated on its own website, read 5 Oct 2026

    Not yet on record: client reviews, vetting.

11. 11

    

    sceel.io GmbH

    UI/UX Design · Web Design · Software Testing · Also in Germany

    Sceel.io GmbH is a software development company founded in 2018 that helps firms handle a growing development workload.

    Write a review

    Why #11: Founded 2018 · Team of 20+, as stated on its own website, read 6 Oct 2026

    Not yet on record: client reviews, vetting.

12. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
13. –

    

    Codify

    Web Design · Web Development · Software Testing · Also in Ukraine

    Codify provides IT consultants and development teams to businesses that need outside help on a project.

    Write a review
14. –

    CA

    Complit AB

    Software Testing · Software Development · Also in Sweden

    Complit AB is a skills and consulting company with long experience in the IT and telecommunications industry.

    Write a review
15. –

    

    Qentelli

    UI/UX Design · Web Development · Software Testing · Also in Canada

    Qentelli is a continuous delivery company built on a software engineering approach.

    Write a review
16. –

    

    SAFFRON Sp. z o.o.

    Mobile App Development · UI/UX Design · Web Design · Also in Poland

    SAFFRON Sp. z o.o. is a Polish company active in IT security, technology and professional training.

    Write a review
17. –

    

    SANAE, s.r.o.

    Software Testing · Software Development · IT Outsourcing · Also in Slovakia

    Slovak consultancy providing software testers, business intelligence and project management specialists to client projects

    Write a review
18. –

    

    Spaceport

    UI/UX Design · Web Design · Web Development · Also in Ukraine

    Spaceport is a software production company covering the full cycle from a blank page to a finished product. Its team includes engineers, designers and project managers.

    Write a review
19. –

    

    Starshot Software

    Mobile App Development · Custom Software Development · UI/UX Design · Also in Spain

    Starshot Software builds software from concept to launch and also supplies extra developers to client teams.

    Write a review
20. –

    

    TechTammina LLC

    Mobile App Development · UI/UX Design · Web Design · Also in United States of America

    TechTammina LLC provides outsourced software development and business process automation.

    Write a review
21. –

    

    Tulasi IT

    Mobile App Development · Custom Software Development · Web Design · Also in United Kingdom

    Tulasi IT is an agency in Birmingham that builds websites and helps clients attract traffic and enquiries. Its current site lists web design, mobile app development and QA testing.

    Write a review
22. –

    

    UPlanet Inc.

    Mobile App Development · UI/UX Design · Web Design · Also in United States of America

    UPlanet Inc. is a software company whose development centres are in Bulgaria, with specialists from Ukraine and offices in the USA, Bulgaria and Ukraine.

    Write a review
23. –

    

    ValidCode Web & Mobile Development Pvt. Ltd.

    Custom Software Development · UI/UX Design · Web Design · Also in India

    ValidCode Web & Mobile Development Pvt. Ltd. is a software development company in Delhi, India.

    Write a review
24. –

    WA

    Webstep AB

    Mobile App Development · Web Design · Web Development · Also in Sweden

    Webstep AB supplies experienced IT consultants to major companies in Scandinavia. Its strengths are system development, integration, architecture and testing.

    Write a review
25. –

    

    xFAANG

    UI/UX Design · Web Design · Software Testing · Also in Poland

    xFAANG is a software company whose name refers to engineers who have worked at Facebook, Apple, Amazon, Netflix or Google. It recruits many of its people from those firms.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

Switzerland

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…

Nigeria

6 Oct 2026 · TrustList Editorial

NITDA's software testing rules reach full effect in Q2 2027

Nigeria's testing qualifications board has backed the guideline but wants enforcement scaled to risk, arguing a brochure website should not…

Threat Intelligence

28 Oct 2026 · TrustList Editorial

Overwatch Data raises $15m to point AI agents at fraud and cybercrime

Mouro Capital leads the Series A, with Visa Ventures and Capital One Ventures as strategic investors; Visa is also a customer of the threat…