Top 100 Usability Testing Companies in London

Plantec, a software development company, is located in London, United Kingdom. The company offers custom software development, market research, ux/ui design, product design, and more and has a small team.The company was established in 2022.

Star is a Sunnyvale, California-based software development company. The midsize company was founded in 2008. Their team provides custom software development, mobile app development, ux/ui design, IoT development, and more.

24SQ is a London, United Kingdom-based website development firm. They specialize in web development, web design, ux/ui design, graphic design, and more and were launched in 2005.

Konstant Infosolutions is a mobile app and web developer that focuses on global technology and innovation. Founded in 2003 and headquartered in Jaipur, Rajasthan, their 170+ professionals are leaders in software solutions and cutting-edge technologies.

Upwelling is an UX agency. The small Sevilla, Spain-based agency was founded in 2015. Their services include ux/ui design, content marketing, and market research.

Launched in 1996, MagiClick Digital is an user experience agency. Their midsize team is headquartered in Istanbul , Turkey. Their services include ux/ui design, advertising, e-commerce development, mobile app development, and more.

JH is an e-commerce development firm. Their midsize team is headquartered in Nottingham , United Kingdom and London, United Kingdom and focuses on e-commerce development, ux/ui design, and digital strategy. The firm was founded in 2009.

Inventiff is a website development firm. Established in 2019, the small firm is headquartered in London, United Kingdom and Cluj-Napoca, Romania. Their services include web development, mobile app development, web design, ux/ui design, and more.

SnapStack Solutions, a midsize website development firm, is located in München, Germany and Prague, Czech Republic. They provide web development, robotics process automation, ux/ui design, IT strategy consulting, and more and were founded in 2009.

Hatched London is a SEO services firm established in 2011. They are headquartered in London, United Kingdom and have a small team. The agency focuses on search engine optimization, web design, advertising, ux/ui design, and more.

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. 

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.

Blank Space Corp is an app development company headquartered in Toronto. Founded in 2015, the team of less than 10 specializes in mobile app development, UX/UI design, and web design. 

Mobiteam UK is a website development firm. Their small team is headquartered in London, United Kingdom. The agency focuses on web development, web design, ux/ui design, search engine optimization, and more.

The Random Stuff, a small mobile application development firm, is in London, United Kingdom. They provide mobile app development, custom software development, and web development and were launched in 2022.

User experience agency Squid40 is in București, Romania and London, United Kingdom. Launched in 2018, the small team provides ux/ui design, mobile app development, product design, digital strategy, and more.

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.
 

Screen Pages is a small e-commerce development firm located in Wisley, United Kingdom. They focus on e-commerce development, custom software development, and ux/ui design and were established in 1997.

TMW Unlimited is an user experience design company. Established in 1987, the team specializes in ux/ui design, search engine optimization, social media marketing, AR/VR development, and more. Their midsize firm is London, United Kingdom-based.

I-Am Associates is a midsize web design company headquartered in London, United Kingdom; Istanbul, Turkey and Dubai, United Arab Emirates. They offer web design, ux/ui design, architectural design, graphic design, and more and were founded in 2007.

SEO agency Together Agency was established in 2006. They are based in Nottingham, United Kingdom and have a small team. Their services include search engine optimization, web design, advertising, ux/ui design, and more.

Headquartered in London, United Kingdom, Thunk is a product design company. The small team focuses on product design, ux/ui design, and other design and was launched in 2017.

Launched in 2008, The UX Agency is an user experience company. Headquartered in London , United Kingdom, their small team provides ux/ui design, digital strategy, market research, and product design.

MX Web Design is a web design agency. Founded in 2013, the small agency is headquartered in London, United Kingdom and Broxbourne, United Kingdom. Their services include web design, branding, ux/ui design, and graphic design.

Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses. 

Located in Birmingham , United Kingdom, Verse is an user experience company. The small team offers ux/ui design, email marketing, web design, and web development and was launched in 2007.

Small web development firm Bxoft, is in London, United Kingdom. Launched in 2019, the team provides web development, web design, ux/ui design, graphic design, and more.

Mobile application development firm Solid State Group is based in London, United Kingdom. The firm specializes in mobile app development, ux/ui design, custom software development, web development, and more and is small.The firm was established in 2002.

Design Peeps is a small user experience design agency. In London, United Kingdom, the agency was established in 2022. Their team focuses on ux/ui design.

Interrobang, an user experience design company, was launched in 2019. They are located in London, United Kingdom and have a small team. Their services include ux/ui design, graphic design, and web design.