Top 100 Software Testing Companies in London

DeviQA is an independent software testing company headquartered in Warsaw, Poland, with delivery centers in Ukraine and multiple EU countries. Since their establishment in 2010, they have built a team of 200+ QA engineers from 14 European countries, and they offer various collaborative QA solutions, including Remote QA Department, QA Team Augmentation, Project-based Quality Assurance, QA as a Service, QA Consulting, and QA Automation.

A1QA logo is a quality assurance and software testing company founded in 2002. Based in Denver, they have a team of 200+ employees that specialize in application testing and cybersecurity. They primarily serve midmarket clients in the IT and telecommunications industries.

Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

Vega IT is a Software company in Serbia. Founded in 2008, they have 750+ engineers with experience in FinTech, HealthTech, PharmaTech, Transportation & logistics, FoodTech, and Enterprise blockchain. Their services include Custom software, Mobile App Development, Application Testing, E-commerce and Web development.

Intive is a software development firm headquartered in Munich, Germany, with regional offices in the USA, UK, and France. Established in 1999, Intive is one of the most well-established global firms in IT solutions and product development; they have 782 employees. Intive offers development for web, mobile, and custom platforms, and more for enterprise and midmarket-sized clients. 

TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.

Ziffity Solutions LLC, an e-commerce development company, was launched in 2014. Their midsize team is based in Texas, Texas and offers e-commerce development, search engine optimization, ux/ui design, pay per click, and more.

SENLA is a fast-growing software development company in 5 EU locations, founded in 2012. Our team of 600+ certified technical specialists and managers has large expertise in a full-cycle development from BA to maintenance as well as separate services like QA or UX Audit. We have successfully completed over 350 projects in FinTech, Healthcare, Manufacturing and other industries.

Bladeware is an app development company that is headquartered in Zaporizhzhya, Ukraine. Founded in 2018, the team of work to provide mobile app development, custom software development, and application testing services to their small business clients. They primarily work with businesses within the education, information technology, and business services industries. 

Kernelics is a software development company founded in 2020 with over 50 employees. They provide web development, mobile app development, and AI solutions from their office in Minsk, Belarus. They work with small businesses across various industries.

Qualimatrix Technologies is a IT staff augmentation and application testing company launched in 2020. The midsize Bengaluru, India-based team specializes in IT staff augmentation and application testing.

Founded in 2019, BreachLock Inc is a cybersecurity company. They are in New York, New York and have a midsize team. Their services include cybersecurity, IoT development, application testing, compliance consulting, and more.

Go Live Test is a small IT managed services and application testing company headquartered in London, United Kingdom. They focus on IT managed services and application testing and were founded in 2015.

Mobile app development company Borne Digital is headquartered in London, UK. Their team of 20 employees also works from offices in Toronto, Canada and New York. Established in 2013, they provide web design, web development, UX/UI design, and branding, on top of mobile app development services. Their clients span all industries but are mostly small and mid-market businesses.

Testinium is a software testing company based in Istanbul with an office in Den Haag, Netherlands. The company, founded in 2009, has more than around 300 employees and provides application testing, AI, business consulting, and custom software development services. Testinium serves enterprise and mid-market companies in various industries.

StarNavi is an IT agency founded in 2017 with a team of 28 professionals. Based in Tallinn, Estonia, the company provides small and midmarket businesses with IT-managed services, IT staff augmentation, and web development assistance, working in the advertising & marketing, real estate, and business services industries, among others.

Large mobile app development company Room 8 Group, is located in Limassol, Cyprus. Launched in 2011, the team focuses on mobile app development, web development, application testing, ux/ui design, and more.

Testdel UK Ltd. Is a small application testing company. Launched in 2015, the team provides application testing, IT managed services, IT strategy consulting, and other IT consulting and SI. The firm is located in Harrow, United Kingdom and Chandigarh, India.

Small custom software development firm inCode Systems, is headquartered in London, United Kingdom. The team specializes in custom software development, enterprise app modernization, ux/ui design, e-commerce development, and more.

Located in London, United Kingdom and Lahore, Pakistan, Devbox is a web development company. The midsize agency was founded in 2011. Their team focuses on web development, custom software development, IT staff augmentation, mobile app development, and more.

IT strategy consulting company INVINCIX Solutions Private Limited was founded in 2017. Their midsize team is in Singapore, Singapore; Bhubaneswar, India; Ho Chi Minh City, Vietnam and Twickenham, United Kingdom and provides IT strategy consulting, ux/ui design, IT managed services, custom software development, and more.

O'Dwyer Software is a London-based software company founded in 2014 with a team of more than two experts. They specialize in web development, custom software development, and application testing for clients ranging from small businesses to large firms.

Located in London, United Kingdom, Component Product Foundry is a UX design company. The agency offers ux/ui design, marketing strategy, digital strategy, content marketing, and more and is small.The agency was established in 2018.

Founded in 2004, Infostretch is an application testing company. The large Santa Clara, California-based team focuses on application testing, enterprise app modernization, BI & big data consulting & SI, cloud consulting & SI, and more.

Ruvca Consulting is a consultancy founded in 2011 with fewer than 10 members. Based in Dartford, England, they are experts in custom software development and application testing solutions for clients in the financial, business, and IT services industries, among others.

ClicQA is a software testing firm headquartered in Hyderabad, India, with an additional office in London. It was founded in 2016 and has more than 60 employees. They offer application testing services specializing in function testing, automation testing, performance testing, and security testing. 

TestingXperts is a software testing and QA company based in Camp Hill, Pa. This 400-person firm offers testing for blockchain, mobile app, ERP, cloud, and data warehousing solutions. Founded in 1996, the team operates out of additional offices in London; Chandigarh, India; and Hyderabad, India.

Kualitysoft is an application testing company. The small Gujranwala, Pakistan-based agency was launched in 2017. Their services include application testing and web development.

QualiTest Group is a large software testing and quality assurance testing company founded in 1997 and headquartered in Fairfield, Conn. They also have an office in Bradley Stoke, U.K. and a team of around 1200. 

Edge Testing Solutions is a midsize IT strategy consulting and application testing company located in Bellshill , United Kingdom; Birmingham , United Kingdom; Manchester , United Kingdom and London , United Kingdom. They specialize in IT strategy consulting and application testing and were founded in 2007.