Top 100 JavaScript Development Companies in the United Kingdom

Custom software development firm Studio 24 is located in Cambridge, United Kingdom. The small company was founded in 1999. Their team focuses on custom software development, digital strategy, marketing strategy, web design, and more.

Mifort is a web development firm. Founded in 2015, the team focuses on web development and mobile app development. Their small company is Tallinn, Estonia-based.

Custom software development company and app development company LAB325 is headquartered in Odesa, Ukraine. The company provides custom software development and mobile app development and is small.The company was launched in 2016.

Angry Nerds is a software development house based on Wroclaw, Poland. Established in 2015, they have more than 60 employees who provide app development services for global clients consisting mostly of small and mid-market firms. Their services include custom software development, web development, and mobile development for Android and iOS. They also offer staff augmentation.

56 Degrees is a web development agency with a team of under 10 employees. Based in London and founded in 2010, they provide web development, web design, and e-commerce development services. 

Totally.Tech is a custom software development company founded in 2000. The agency offers custom software development, enterprise app modernization, mobile app development, and application management & support and has a small team. The agency is headquartered in London, United Kingdom.

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.

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.

Indie Ridge Limited is a small web design company located in London, United Kingdom. Established in 2016, the team specializes in web design, web development, ux/ui design, e-commerce development, and more.

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.

Flow Guys, a website development company, was launched in 2022. The small Fleet, United Kingdom-based team focuses on web development.

Purr Digital is a software development agency that has been offering web development, mobile app development, and custom software development to their small business and mid-market clients in the hospitality, arts and entertainment, and consumer products and services industries since 2013. Their 50 employees are based out of their London and Birmingham, UK offices. 

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.

Wozify is a software company founded in Budapest, Hungary in 2018 with no more than 50 employees. They specialize in web development, architectural design, and IT strategy consulting services for various clients.

Web development company Rouge Media is located in Theale, United Kingdom. They specialize in web development, web design, and branding and were launched in 2003.

Founded in 2009, Lightflows is a development company based in Guildford, U.K. They primarily work with midmarket clients from various industries including advertising, marketing, business services, consumer products, finance, and healthcare. 

Hue&machine, an UX agency, is located in London, United Kingdom. They specialize in ux/ui design, custom software development, web design, and web development and were founded in 2020.

TkXel is a mobile app and web development company founded in 2007. With its headquarters in Reston, Va., and an office in Lahore, Pakistan, they have a team of 318 employees. Their services include mobile app development, web development, and custom software development. They primarily serve small and midmarket clients. 

Hero Team is a digital agency located in London. Founded in 2018, their services include mobile app and web development in addition to UX/UI design. Their team of 3 works with small businesses.

Founded in 2014, SoBold is a design and development agency headquartered in London.  Their team of 10 specialize in web development, web design, print design, and social media marketing services for clients. Their clients primarily work with with small and mid market companies in the education, health care, hospitality, energy, and consumer product industries. 

Founded in 2010, Magora is a 50+ team of web and mobile app designers and developers based in London. Whether it’s B2B or B2C, the firm creates bespoke software that integrates with existing business solutions to enable user-centered interaction and scalable software architecture.

Burst Digital is a web design company in London, United Kingdom. They offer web design, graphic design, web development, digital strategy, and more and were launched in 2018.

Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.

OMtech is a website development company. They are located in Leicester, United Kingdom and have a small team. Their services include web development.

Seahawk Media is a web design and development company based in Boston, but with offices around the world. Founded in 2015, they also provide SEO, branding, and UX/UI design services. They're also a GoDaddy partner.

Skyward Digital is a Bath, United Kingdom-based user experience design agency and website development company. They offer ux/ui design and web development and were founded in 2021.

MAJOR is a small web development firm. Headquartered in Brighton, United Kingdom, the agency was founded in 2007. Their team focuses on web development, branding, web design, and custom software development.

Thinslices is a web development company. They are headquartered in Iasi, Romania and have a midsize team that offers web development, mobile app development, and ux/ui design. The agency was established in 2010.

CodeLeap is a London, United Kingdom-based application development firm. The small team specializes in mobile app development, web development, Artificial Intelligence, AR/VR development, and more. The company was founded in 2019.

MAKSOF is a web development company. Established in 2017, the company is headquartered in Karachi, Pakistan. The small team provides web development, mobile app development, web design, custom software development, and more.