Top 100 JavaScript Development Companies in the United Kingdom
The Best of August 2026Looking for a top JavaScript developer in the United Kingdom?
If you're hiring a JavaScript developer to help you build or update a website that's responsive and interactive, consider the pros and cons of JavaScript as a programming language. Advantages include its speed because it's executed on the client-side; reduction in server load; and diverse functionality. Disadvantages to consider include security such as bugs on the client-side.
To assist you in your search for a partner, we’ve compiled this list of the top JavaScript development agencies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom JavaScript Developers
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151$5,000+50 - 249 employeesLondon, EnglandRead More
Web design company Brander Studio is located in Kharkiv, Ukraine. The midsize agency was founded in 2009. Their team provides web design, mobile app development, web development, and digital strategy.
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UK Planet ToolsIndustries
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152$5,000+2 - 9 employeesLeeds, EnglandRead More
Erised, a web development firm, was launched in 2021. The small team focuses on web development, custom software development, mobile app development, and e-commerce development. The firm is based in Leeds, United Kingdom.
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153$25,000+10 - 49 employeesLondon, EnglandIn London, England, Contic is an application development firm. They provide Mobile App Development, Web Development, Artificial Intelligence, UX/UI Design, and more and were founded in 2021.Read More
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154$25,000+10 - 49 employeesLondon, EnglandRead More
Theodo UK, founded in 2015, is a consultancy and digital development agency headquartered in London with an additional location in Paris. With a team of over 30 employees, they mainly provide mobile app development, web development, and custom software development services.
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AdmiralIndustries
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155$5,000+10 - 49 employeesLondon, EnglandQTech is a website development company established in 1999. In Amman, Jordan; Dubai, United Arab Emirates and London, England, their small team focuses on Web Development, Mobile App Development, E-Commerce Development, UX/UI Design, and more.Read More
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156$10,000+10 - 49 employeesLondon, EnglandIn Kyiv, Ukraine; València, Spain and London, England, Trembit is a custom software development firm. The small firm was established in 2009. Their team specializes in Custom Software Development, Artificial Intelligence, AI Consulting, Mobile App Development, and more.Read More
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Red5Pro.com Webprax Learnster SiriusIndustries
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157$25,000+10 - 49 employeesWatford, EnglandRead More
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.
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AspireIndustries
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158$5,000+10 - 49 employeesLondon, EnglandRead More
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.
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159$25,000+10 - 49 employeesLondon, EnglandAtraX is a small IT strategy consulting company. The Tirana, Albania-based company was established in 2015. Their services include IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more.Read More
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160$10,000+10 - 49 employeesBirmingham, EnglandRead More
Develo Design is a digital development agency from Birmingham, UK. It was founded in 2005 and now has a team of 11 that provides web development, e-commerce development, mobile app development, and other services.
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Leon PaulIndustries
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161$5,000+10 - 49 employeesWangford, EnglandJetBase.IO, a cloud consulting & SI company, is based in Sheridan, Wyoming and Wangford, England. The small team provides cloud consulting & SI, IT staff augmentation, Custom Software Development, Web Development, and more. The firm was founded in 2014.Read More
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162$25,000+50 - 249 employeesLondon, EnglandRead More
Located in London, England, Pocket App is a mobile app development company. Established in 2010, the midsize team offers Mobile App Development, UX/UI Design, and Web Development.
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163$5,000+10 - 49 employeesLondon, EnglandEstablished in 2013, Diversido is an app development company. Their small team is in Claymont, Delaware and London, England and focuses on Mobile App Development, Web Development, and IoT development.Read More
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eTutorCloudIndustries
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164$250,000+50 - 249 employeesLondon, EnglandSoftware development company Waracle was founded in 2004. They are based in London, England; Dundee, Scotland; Edinburgh, Scotland and Glasgow, Scotland and have a midsize team. Their services include Custom Software Development, Mobile App Development, Artificial Intelligence, Web Development, and more.Read More
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Virgin MoneyIndustries
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165$5,000+2 - 9 employeesColchester, EnglandRead More
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.
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Gay TimesIndustries
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166$100,000+10 - 49 employeesLondon, EnglandRead More
Future Platforms is a London based digital agency. Founded in 2000, Future Platforms employs a team of 39 specialists that provide e-commerce, mobile app, and wearable app development.
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Domino’s PizzaIndustries
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167$5,000+10 - 49 employeesLondon, EnglandEpigra is a website development company. They are based in London, England and Istanbul, Türkiye and have a small team that offers Web Development, Web Design, UX/UI Design, Custom Software Development, and more. The agency was established in 2009.Read More
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Gulf InsuranceIndustries
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168$1,000+10 - 49 employeesLondon, EnglandRead More
Looming Tech, an app development company, is located in Sofia, Bulgaria and London, United Kingdom. The agency offers mobile app development, web development, custom software development, e-commerce development, and more and has a small team.The agency was founded in 2020.
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Lyst (http://lyst.co.uk/) Which (http://which.co.uk/) Imray Laurie Norie & Wilson (http://imray.com/) Hintsa (https://www.hintsa.com/)Industries
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169$50,000+2 - 9 employeesGateshead, EnglandLaunched in 2005, Arch is a small web development company. Their services include Web Development, Mobile App Development, Artificial Intelligence, Web Design, and more. The firm is in Gateshead, England; London, England and Edinburgh, Scotland.Read More
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The City of Edinburgh Council NHS England H2OiQ DreamworksIndustries
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170$25,000+10,000+ employeesBERKSHIRE , EnglandRead More
Datamatics (formerly TechJini, Inc) is a mobile app development company based in Bangalore, India with an additional office in Princeton, N.J. The company was founded in 2005 and has grown since then to a team of about 300. They provide mobile app and web development, UX/UI design, and IT strategy consulting.
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HoneywellIndustries
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171$1,000+10 - 49 employeesSwansea, WalesLaunched in 2010, The Constant Media is a web design agency. The small team specializes in Web Design, UX/UI Design, Web Development, and E-Commerce Development. The agency is based in Swansea, Wales.Read More
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William Grants & Sons Van Cleef & Arpels Glenfiddich Whisky Asahi -
172$10,000+10 - 49 employeesLondon, EnglandApplication development firm Redbee Software was founded in 2018. Their small team is located in Cluj-Napoca, Romania; New York, New York and London, England and specializes in Mobile App Development, Web Development, and UX/UI Design.Read More
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173$1,000+50 - 249 employeesLondon, EnglandTenet - UI UX Design Agency | Experience Design is an UX design company. The midsize دبي, United Arab Emirates-based team provides UX/UI Design, Web Design, Custom Software Development, Web Development, and more. The firm was launched in 2019.Read More
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Mercedes Gartner G42 Group BalsanIndustries
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174$25,000+10 - 49 employeesManchester, EnglandRead More
VTS Software is software development company located in Manchester, U.K. Since 2007, their small team of around 5 has been specializing in custom software, web, and mobile app development for small and mid-sized businesses alike. They have experience in a variety of industries such as advertising, healthcare, manufacturing, and business services.
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Whispering SmithIndustries
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175$1,000+10 - 49 employeesHednesford, EnglandRead More
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.
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BASFIndustries
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176$10,000+2 - 9 employeesNorwich, EnglandBIGFORK is a small web design agency established in 2010. Their team provides Web Design, Web Development, Conversion Optimization, and UX/UI Design. The agency is located in Norwich, England and London, England.Read More
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NGK (Niterra UK)Industries
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177$10,000+10 - 49 employeesLondon, EnglandRead More
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.
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178Undisclosed10 - 49 employeesStoke Prior, EnglandRead More
SEO services firm Sherbet Donkey Media was launched in 2019. The small Stoke Prior, United Kingdom-based team provides search engine optimization, pay per click, web design, graphic design, and more.
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Kingfisher Care ServicesIndustries
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179$10,000+10 - 49 employeesLondon, EnglandLaunched in 2007, SOTechnology is an AI Agents company. Their small team is based in London, England and Lafayette Hill, Pennsylvania. Their services include AI Agents, Artificial Intelligence, Custom Software Development, Digital Strategy, and more.Read More
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bakerdaysIndustries
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180$10,000+10 - 49 employeesLondon , EnglandFounded in 2006, Design Culture is a web design company. Their small team is in London , England. Their team provides Web Design, Web Development, E-Commerce Development, Branding, and more.Read More
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Schedule ConsultationMost Reviewed JavaScript Developers in United Kingdom
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