Top 100 JavaScript Development Companies in the United Kingdom
The Best of December 2025Looking 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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181$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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182$5,000+2 - 9 employeesBristol, EnglandRead More
Noughts & Ones is a Squarespace and Shopify agency based in Bristol, United Kingdom. Founded in 2017, this company has three employees. Services provided by Noughts & Ones include web design, web development, and e-commerce development for small and midmarket companies.
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DryrobeIndustries
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183$5,000+10 - 49 employeesHighworth, EnglandRead More
Based in Highworth, United Kingdom, Reuben Digital Ltd is a digital strategy company. The small team provides digital strategy, search engine optimization, web design, ux/ui design, and more. The agency was founded in 2000.
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Jigsaw Business SolutionsIndustries
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184$10,000+50 - 249 employeesManchester, EnglandZAPTA Technologies is a Lahore, Pakistan-based software development firm. The midsize company was established in 2020. Their services include Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more.Read More
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185$50,000+10 - 49 employeesSHEFFIELD, EnglandRead More
REYT is a web design company located in Sheffield, United Kingdom. The small firm was founded in 2021. Their team provides web design, ux/ui design, web development, and mobile app development.
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186$5,000+2 - 9 employeesLondon, EnglandWeb development company Deutrix was founded in 2019. Their small team is located in Novi Sad, Serbia and London, England. Deutrix offers Web Development, Custom Software Development, Web Design, and Artificial Intelligence.Read More
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187$25,000+10 - 49 employeesBridgnorth, EnglandRead More
Clickingmad Ltd. is a full service digital agency based in Bridgnorth, England, and founded in 2000. Their team of 4 employees specialize in web design, e-commerce development, and SEO for primarily midmarket clients in the non-profit, business services, and consumer products industries.
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Mars CorporationIndustries
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188$25,000+10 - 49 employeesChantry, EnglandRead More
Established in 2022, OnTheBlockGaming is a. The company offers and has a small team. The company is headquartered in , United Kingdom.
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OutboundlessIndustries
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189$10,000+10 - 49 employeesLondon, EnglandHeadChannel Consulting, a software development company, is based in London, England; Katowice, Poland and New York, New York. The small team provides Custom Software Development, Artificial Intelligence, UX/UI Design, Web Development, and more and was founded in 2004.Read More
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The William Pears GroupIndustries
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190$50,000+10 - 49 employeesSheffield, EnglandRead More
The Curve, a software development firm, is in Sheffield, United Kingdom. They specialize in custom software development, web development, and mobile app development and were founded in 2019.
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191$10,000+10 - 49 employeesManchester, EnglandApplication development company Foresight Mobile is based in Manchester, England; Birmingham, England and London, England. They offer Mobile App Development, Custom Software Development, Web Development, and API Development and were launched in 2016.Read More
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Table.co Swrve Levi Strauss EAIndustries
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192$10,000+10 - 49 employeesBelfast, Northern IrelandRead More
Zesty is a full-service digital agency based in Dublin, Ireland, with additional offices in Belfast, Northern Ireland and London, England. Zesty was founded in 1996 and has 37 employees. Services offered by Zesty include web development, web design, and digital strategy.
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Ulster OrchestraIndustries
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193$1,000+10 - 49 employeesColchester, England&Element is a small web development company established in 2015. Their team focuses on Web Development, Graphic Design, Web Design, UX/UI Design, and more. The firm is headquartered in Colchester, England.Read More
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Skipper My Boat -
194$5,000+250 - 999 employeesCardiff, WalesIT staff augmentation company DigiMantra was founded in 2012. Their midsize team is headquartered in Sahibzada Ajit Singh Nagar, India; Dover, Delaware; Cardiff, Wales and Dubai, United Arab Emirates. DigiMantra focuses on IT staff augmentation, Mobile App Development, E-Commerce Development, Social Media Marketing, and more.Read More
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195$10,000+10 - 49 employeesLondon, EnglandLaunched in 2001, Artistsweb is a web design company. The small London, England-based team provides Web Design, UX/UI Design, Custom Software Development, Web Development, and more.Read More
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BMW Hurom Jaeger LeCoultre Alveena CasaIndustries
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196$10,000+2 - 9 employeesChorleywood, EnglandWebsite development firm Gemstone was founded in 2008. Their small team is headquartered in Chorleywood, England. Gemstone provides Web Development, BI & big data consulting & SI, Mobile App Development, and E-Commerce Development.Read More
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Simply CookIndustries
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197$25,000+50 - 249 employeesLondon, EnglandRead More
Artificial intelligence firm Incepteo was established in 2007. Their midsize team is headquartered in London, England; New York, New York and Hyderabad, India and provides Artificial Intelligence, Mobile App Development, UX/UI Design, Custom Software Development, and more.
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GeodisIndustries
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198$50,000+50 - 249 employeesPoole, EnglandRead More
Ready4S is a full-service web and mobile app development company based in Cracow, Poland, with offices in the UK and Ukraine. Started in 2011, this team of 25+ creates digital solutions for organizations both large and small.
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UberIndustries
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199$5,000+50 - 249 employeesLightwater, EnglandRead More
Ray Solutions Ltd is an IT staff augmentation company. They specialize in IT staff augmentation, custom software development, Artificial Intelligence, web development, and more and were established in 2012. Their midsize team is Lightwater, United Kingdom-based.
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Bright NetworkIndustries
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200$5,000+10 - 49 employeesLondon, EnglandRead More
Ignite is a branding firm. They specialize in branding, social media marketing, digital strategy, web design, and more and were launched in 2001. The agency is located in London, United Kingdom; New York, New York; Milano, Italy and Port Orange, Florida.
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201$1,000+50 - 249 employeesLondon, England, UK, EnglandRead More
Golden Owl Consulting Ltd is a development agency founded in 2015 in Ho Chi Minh, Vietnam, with no more than 250 employees. They are experts in mobile app development, web development, and UX/UI design services.
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DELEGATE CONNECTIndustries
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202$50,000+10 - 49 employeesBrighton, EnglandRead More
Buffalo is a web design and development company in Brighton, England. Founded in 2006, they have about 16 employees that serve mostly small-business and midmarket clients in the media, e-commerce, and advertising sectors. Services include web development, web design, and branding.
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ESIIndustries
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203Undisclosed10,000+ employeesLondon, EnglandRead More
Zensar Technologies is a software services company founded in 1991, currently employing over 10,000. Their headquarters is in Pune, India, with multiple offices worldwide in India, Europe, and the U.S. They offer services in ERP consulting and SI, application management and support, and custom software development. They serve clients in a variety of industries, including financial services, IT, and advertising and marketing.
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204$10,000+2 - 9 employeesLondon, EnglandRead More
Lemonat is a digital product design agency that was founded in 2012. Their 9-person team is headquartered in London with offices in Istanbul. They offer UX/UI design, web design, and digital strategy services to midmarket companies in the spaces of financial services, arts and entertainment, and e-commerce.
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Turkcell (Gsm operator)Industries
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205$50,000+10 - 49 employeesEast Sussex, EnglandRead More
Bright Interactive is a software development company Based in East Sussex, United Kingdom, that was founded in 1999. Their team of 32 provides custom software development, web development, UX/UI design.
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Flight CentreIndustries
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206$10,000+10 - 49 employeesLondon, EnglandStudiomade is an user experience company. Established in 2010, the team focuses on UX/UI Design, Web Development, Digital Strategy, Branding, and more. Their small company is in London, England and New York, New York.Read More
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Broadridge Edelman Department of Business and Trade, Life Sciences Global Pension CorporationIndustries
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207$5,000+10 - 49 employeesBristol, EnglandRead More
Deazy is a small application development company. The Cardiff, United Kingdom-based agency was founded in 2016. Their services include mobile app development, custom software development, web development, ux/ui design, and more.
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RACIndustries
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208$25,000+10 - 49 employeesLondon, EnglandDevelopios, a custom software development firm, was launched in 2020. The small Jhelum, Pakistan-based team offers Custom Software Development, Web Design, Web Development, UX/UI Design, and more.Read More
Clients
Springfree Trampolines goba Sports Group Precision Tax iGradIndustries
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209$25,000+10 - 49 employeesLondon, EnglandBlott, an UX company, is based in London, England; Johannesburg, South Africa and Colombo, Sri Lanka. The small company was founded in 2018. Their team specializes in UX/UI Design, Product Design, Artificial Intelligence, Low/No Code Development, and more.Read More
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210$10,000+2 - 9 employeesBristol, EnglandOhana Studio is a web design agency founded in 2020. Their small team is based in Bristol, England. Their services include Web Design, Web Development, Low/No Code Development, Digital Strategy, and more.Read More
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Dataweavers Triggerfish NHS Passion for SomersetIndustries
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