Top 100 Usability Testing Companies in the United Kingdom

GearedApp is a software development firm based in Edinburgh, Scotland. They were founded in 2013 and have a team of 11 employees who specialize in mobile development, web development, and UX/UI design. They work mostly with small business clients in the healthcare, business services, and education industries.

Founded in 2004, HeadChannel is a software development firm that offers custom software development, web development, and mobile app development services to their small business and mid-market clients in the IT industry. Their 50 employees are based out of offices in London and Katowice, Poland.

STAKK is a London-based mobile app company founded in 2020. With fewer than 50 employees, they specialize in mobile app development, web development, and UX/UI design for clients that work in various industries, such as IT, business services, and the government.

Cosmik Carrot, a SEO company, is headquartered in Rugeley, United Kingdom. The small team specializes in search engine optimization, web design, ux/ui design, and web development. The company was founded in 2008.

Super User Studio is a design consultancy headquartered in London, with an office in Bath, United Kingdom. Since 2008, their small team of 9 has been specializing in UX/UI design for mainly enterprise-level clients. They primarily serve clients in the business services and financial services industries. 

Blue Sparrow Apps is a development agency based in Bristol, England, and founded in 2015. With fewer than 10 employees, they specialize in mobile app and custom software development solutions for both small and medium-sized businesses.

Together is a full-service agency that builds brands, websites and digital products for good tech companies around the world.

Mentor Digital is a custom software development company in Bristol, United Kingdom and London, United Kingdom. Established in 1998, the small team specializes in custom software development, content marketing, digital strategy, video production, and more.

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. 

Digiruu is a digital firm founded in 2016 run by a team of fewer than 10 professionals. Based in London, the company lends their expertise in mobile app development, UX/UI design, and web design to clients ranging from startups to large enterprises, working in various industries such as consumer products, advertising, and media.

 Cefar is a digital agency founded in 2006 and headquartered in Leeds, UK with an office in London. Their team of 20 provides PPC, web design, graphic design, and web development services. 

Studio Contrast is a branding firm founded in 2016. In Huntingdon, United Kingdom, their small team focuses on branding, web design, graphic design, logo, and more.

Powercode is a web development agency based in Kyiv, Ukraine founded in 2015. They are operated by a team of 66 who are experts in web, mobile app, and custom software development for clients ranging from startups to enterprises. They have experience working in industries such as financial services, business services, and IT. They are also familiar with working with platforms like Amazon, Linux servers, and Azure, among others.

Automation Squared Ltd is an app development company based in Horsham, England, with offices in Croydon, England; Brighton, England; and Pittsburgh. The 13-person team got started in 2007 and offers mobile app development, AI development, and enterprise app modernization.

Sonin is a mobile app development agency based in Reigate, England, and was founded in 2008. Their team of 28 employees specializes in mobile app development, web development, and UX/UI design.

Pocketworks was founded in 2012 and is located in Leeds, United Kingdom. With 17 employees, they provide mobile app development, custom software development, and UX/UI for enterprise and midmarket sized businesses.

ClerksWell is a custom software development firm. They are headquartered in London, United Kingdom and have a midsize team that focuses on custom software development, web development, IT strategy consulting, web design, and more. The firm was founded in 1996.

Airborne Studio, a branding agency, is headquartered in Leeds, United Kingdom. The small team focuses on branding, web design, ux/ui design, product design, and more and was founded in 2016.

Eden Agency is a digital agency based in Knaresborough, UK. It was founded in 2007 and now employs a team of 21 that provides web design, digital strategy, web development, mobile app development, UX/UI design, social media marketing, and AR/VR development services.

NU Creative is a London, United Kingdom-based branding company. They offer branding, email marketing, advertising, graphic design, and more and were launched in 2004.

Leojbarnett.co is an user experience design company founded in 2015. The firm specializes in ux/ui design, video production, custom software development, web development, and more and has a small team.

Impact Media is an enterprise-level WordPress web design and support agency based in Wickford, UK, with an office in Shoreditch, UK. The agency, founded in 2003, is a team of less than ten who provide WordPress web development and design, and UX/UI design services to small and midmarket companies. 

Digital agency Mediablaze is based in London. Since it was founded in 2010, the agency has grown its team to 29 employees. Mediablaze specializes in content marketing, web development, mobile app development.

Spark Sales Online is a Portsmouth, United Kingdom-based ecommerce marketing company. The small team offers ecommerce marketing, e-commerce development, ERP consulting and SI, web design, and more. The company was established in 2013.

Codener is a software company based in London that was founded in 2016 and currently has more than 50 employees. They provide custom software, web, and e-commerce development solutions to clients ranging from startups to large companies in the fields of e-commerce, advertising, and business services.

Arch is an innovative digital studio founded in 2005. They specialise in developing sophisticated websites, mobile apps, and business systems. Their expertise also includes providing tailored solutions for a range of industries including finance, education, fitness, and well-being. Notably, they have earned recognition, listed as one of 14 firms on Google’s Flutter directory. Their commitment lies in consistently pushing the boundaries of creativity and excellence in every project.
 

Fourmeta is an e-commerce development firm founded in 2017. In London, United Kingdom, their midsize team offers e-commerce development, ux/ui design, and web development.

Rattlesnake Group is a web design company. Established in 2020, the team offers web design, marketing strategy, product design, branding, and more. Their small firm is London, United Kingdom-based.

In London, United Kingdom, Main Menu is a software development firm. The small team offers custom software development, web development, web design, ux/ui design, and more. The agency was launched in 2009.

Media Lounge is an e-commerce development firm launched in 2008. Their small team is based in Bournemouth, United Kingdom and LONDON , United Kingdom. Their services include e-commerce development, conversion optimization, digital strategy, web design, and more.