Top 100 JavaScript Development Companies in the United Kingdom

Catch is a digital experience agency founded in 2007. Based in London, United Kingdom, they also have an office in Madrid, Spain, and a team of over 30 employees. They specialize in web development, UX/UI design, and content marketing. 

Launched in 2017, Lumi is a small user experience company. Their services include ux/ui design, web design, branding, and product design. The firm is located in Edinburgh, United Kingdom.

Fat Fish Marketing is a SEO services firm based in Banbridge, United Kingdom. The small team offers search engine optimization, web development, and pay per click and was launched in 2016.

ICustomWeb is a website development firm founded in 2018. The company offers web development, web design, and ux/ui design and has a small team. The company is located in Bournemouth, United Kingdom.

Atomic Digital Marketing is a digital marketing agency headquartered in Stretton Warrington, United Kingdom. Founded in 2016, their team of 4 provides SEO, web design, PPC management, and social media marketing. Their specialties are WordPress development and Facebook advertising. 

Based in London, United Kingdom, Goodspeed is a website development firm. The small firm was founded in 2022. Their services include web development, custom software development, and mobile app development.

Pixated is a marketing agency in London, England. Founded in 2018, they have about 2 employees that serve small-business and midmarket clients in the gaming, e-commerce, and advertising industries. Services include social media marketing, mobile app marketing, and PPC.

Vevol Media is an e-commerce development firm. They are located in Kildare, Ireland and have a small team. Their services include e-commerce development, ux/ui design, conversion optimization, digital strategy, and more.

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.

Hex Digital, an advertising company, is headquartered in London, United Kingdom. The small company was launched in 2008. Their services include advertising, custom software development, ux/ui design, branding, and more.

We Are Kitty is a small London, United Kingdom-based user experience design company. Founded in 2017, the team provides ux/ui design, e-commerce development, web design, web development, and more.

Internet Dreams Studio is a small London, United Kingdom-based e-commerce development company. Their services include e-commerce development, mobile app development, search engine optimization, web design, and more.

Steadfast Collective is a custom software development company established in 2014. The small team focuses on custom software development, web development, and e-commerce development. The agency is located in London, United Kingdom.

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. 

AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.

Blott.io, a small mobile app development firm, is in London, United Kingdom; Johannesburg, South Africa and Colombo, Sri Lanka. They provide mobile app development, ux/ui design, product design, custom software development, and more and were founded in 2018.

Founded in 2007, hedgehog lab is a global software consultancy of 200+ that specializes in multi-platform software and device innovation. Headquartered in London with six offices across three continents, their team architects, designs, and develops app solutions that prepare brands for the future of post-PC devices.

Chick Digital, a website development firm, was established in 2015. The small team offers web development, BI & big data consulting & SI, custom software development, and Artificial Intelligence. The company is in Colchester, United Kingdom.

Epigra is a digital service agency that is based in Istanbul, Turkey. Founded in 2009, Epigra's team of 15 employees works on UX/UI, web design, e-commerce development, mobile app development, and more.

 Illustrate Digital is a web design and development agency that specializes in WordPress. Founded in 2013, they have a team of 10 between offices in Cardiff and Bristol, United Kingdom. They primarily work with midmarket clients across various industries.

Softexpoit Pvt. Limited, a mobile application development company, was founded in 2021. The small London, United Kingdom-based team specializes in mobile app development, custom software development, other application development, application management & support, and more.

Element Softworks Ltd is a web development agency founded in 2016 and based out of Ipswich, United Kingdom. Their team of nearly 10 employees provides web development, web design, and graphic design to small business clients. Additional services include UI/UX design and social media marketing.

Founded in 2017, Lambert Labs is a software development agency that specializes in Python. Their team of fewer than 10 employees is based in London. They also provide web development services and application testing. 

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.

Hiredeveloper.co.uk is a web and mobile app development company based in Newcastle upon Tyne, United Kingdom. The team of fewer than 10 specializes in web development, mobile app development, and UX/UI design. They primarily serve small to midmarket clients. 

Authentic Studio is a creative agency founded in 2010 run by a team of less than 50. Headquartered in London, with an office in Hong Kong, Authentic Studio provides custom software development, UX/UI design, and web development services for small businesses as well as mid-market and large firms. They have experience working with clients from the fields of financial services, education, and automotive.

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.

GCD is a custom software development company. Established in 1999, the team specializes in custom software development, ux/ui design, application management & support, mobile app development, and more. Their small company is Lurgan, United Kingdom-based.

Brave Bear Marketing Ltd is a web design firm based in Hednesford, United Kingdom. Founded in 2019, their team of 30 serves clients in the advertising, and consumer services sectors. Services include web development and social media marketing.

IMEDIAVAN, an application development company, was launched in 2013. They are in London, United Kingdom; Barcelona, Spain and Paris, France and have a small team. Their services include mobile app development, web development, e-commerce development, and IoT development.