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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211$5,000+2 - 9 employeesLondon, EnglandRead More
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.
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212Undisclosed10 - 49 employeesLondon , EnglandRead More
IdeaWork Studios is a full-service advertising, development, and design agency founded in 1999. Headquartered in New York City, the company also has offices in Santa Barbara, CA and Las Vegas, NV. The team of more than 20 employees offers branding, web design, web development, and other marketing and design services such as logo and packaging design and email marketing.
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213$25,000+50 - 249 employeesSutton, EnglandHeadquartered in Sutton, England and Houston, Texas, Geeks Ltd is a custom software development company. The midsize team focuses on Custom Software Development, Product Design, AI Consulting, Web Development, and more. The company was launched in 2007.Read More
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Search Acumen ChannelPorts BBC easyJetIndustries
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214$5,000+2 - 9 employeesLondon, EnglandRead More
Webdesign7 is a digital marketing agency based in London. Founded in 2011, their team of 8 specializes in web development and design, mobile app development, and digital strategy. The industries they focus on are advertising and marketing, consumer products and services, arts, entertainment and music.
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Turkey HomesIndustries
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215$5,000+10 - 49 employeesLondon, EnglandOzeito is an UX company. Their small team is located in London, England and Faisalabad, Pakistan. The agency provides UX/UI Design, Mobile App Development, Custom Software Development, Web Development, and more.Read More
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216$5,000+10 - 49 employeesLeicester , EnglandBulb Studios is a Digital Strategy company. The small Leicester , England-based team offers Digital Strategy, IoT development, Branding, Content Marketing, and more. The agency was founded in 2007.Read More
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Jaguar Land RoverIndustries
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217$1,000+2 - 9 employeesBracknell, EnglandInternet Mate Ltd is a small custom software development firm in Bracknell, United Kingdom. Established in 2011, the team offers custom software development, web development, web design, IT strategy consulting, and more.Read More
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218$5,000+10 - 49 employeesLondon, EnglandRead More
WP Minds is a web company founded in Lahore, Pakistan in 2010 with fewer than 50 professionals. They provide web development and application management support solutions to small businesses and firms.
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Bottleworx IncIndustries
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219$10,000+2 - 9 employeesNorwich, EnglandBIGFORK is a web design company established in 2010. The small Norwich, England-based team provides Web Design, Web Development, UX/UI Design, and Conversion Optimization.Read More
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NGK (Niterra UK)Industries
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220$10,000+2 - 9 employeesWest Huntspill, EnglandDouble Brace, a website development firm, was established in 2013. Located in West Huntspill, England, their small team provides Web Development, Custom Software Development, UX/UI Design, Product Design, and more.Read More
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221$1,000+50 - 249 employeesBirmingham, EnglandRead More
Digital strategy company wcopilot is in L'viv, Ukraine. The small team offers digital strategy, web development, ux/ui design, email marketing, and more and was founded in 2015.
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222$5,000+2 - 9 employeesLondon, EnglandRead More
Milo Creative is a digital studio located in London. Founded in 2002, it has a team of 17 that specializes in mobile app development, UX/UI design, and web development services. They work with companies in various industries including education, health care & medical, and advertising & marketing.
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Sony MusicIndustries
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223$10,000+10 - 49 employeesManchester, EnglandTiksom Limited is an IT staff augmentation company. The small Manchester, England-based agency was established in 2017. Their team offers IT staff augmentation, Web Design, UX/UI Design, Custom Software Development, and more.Read More
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𝗥𝗮𝗽𝗶𝗱𝗦𝗽𝗶𝗸𝗲 - Business Critical Website Monitoring & Security Solution ****************************** 𝗦𝘁𝗮𝗻𝗳𝗼𝗿𝗱 𝗨𝗻𝗶𝘃𝗲𝗿𝘀𝗶𝘁𝘆 - Shaping the Future of Medicine Through Premier Education and Innovation ******************************Industries
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224$1,000+2 - 9 employeesMortimer Common, EnglandRead More
I-Next Ltd. is a digital firm based in Reading, England With a team of fewer than 10, they lend their expertise in web development, IT managed services, and e-commerce development to clients ranging from small and midmarket businesses, from industries such as advertising and marketing, business services, and media.
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EdenredIndustries
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225$10,000+10 - 49 employeesLondon, EnglandRead More
Made Tech is a London-based software services provider that was founded in 2010. The company employs a team of 33 that provides e-commerce development, web development, custom software development, and conversion optimization services to mid-size and small businesses.
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Rocket InternetIndustries
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226$5,000+2 - 9 employeesLeamington Spa, EnglandRead More
Branding firm Designmc Ltd was established in 2020. Their small team is in Leamington Spa, United Kingdom. Their services include branding, web design, web development, social media marketing, and more.
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227$1,000+2 - 9 employeesMorden, EnglandBuglelab, a web design company, is based in. The small team provides web design, web development, and search engine optimization. The firm was founded in 2017.Read More
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228$10,000+10 - 49 employeesBelfast, Northern IrelandRead More
Web Bureau is a web agency headquartered in Belfast, United Kingdom, with an office in Dublin, Ireland. Since 2005, the company has specialized in web development, pay-per-click, and web design solutions for small and midmarket businesses. They also offer SEO services, focusing on mobile optimization, on-site optimization, and local search, among other methods.
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Harry CorryIndustries
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229$1,000+2 - 9 employeesLondon, EnglandRead More
Market Jar is a digital marketing and design agency that was founded in 2017 and is based in London. Their team of 3 employees specializes in SEO, advertising, and email marketing for primarily small business clients in the consumer products, retail, and e-commerce industries.
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230$5,000+50 - 249 employeesLondon, EnglandVersich, a cloud consulting & SI company, is located in London, United Kingdom. The company provides cloud consulting & SI, IT staff augmentation, call center services, commercial financing, funding, & investment, and more and has a midsize team.The company was established in 2023.Read More
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231$5,000+10 - 49 employeesLondon, EnglandRead More
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.
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232$50,000+10 - 49 employeesLong Crendon, EnglandWeb development firm GrowCreate was founded in 2012. Their small team is headquartered in Long Crendon, England. GrowCreate specializes in Web Development, Application Management & Support, UX/UI Design, and DevOps Managed Services.Read More
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233$1,000+10 - 49 employeesLondon, EnglandCynosure Designs is a web development company in London, United Kingdom. The company specializes in web development, branding, digital strategy, social media marketing, and more and has a small team.The company was founded in 2005.Read More
Clients
Continental Tires -
234$5,000+50 - 249 employeesLondon, EnglandRead More
Mindpath Technology Limited is a website development firm. The midsize Indore, India-based firm was founded in 2015. Their team specializes in Web Development, IT staff augmentation, Custom Software Development, Artificial Intelligence, and more.
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235$10,000+10 - 49 employeesLondon, EnglandID Studio Web Design is a web design company. The small London, England-based team focuses on Web Design, Web Development, Search Engine Optimization, Mobile App Development, and more. The company was launched in 2019.Read More
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MetaIndustries
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236$25,000+10 - 49 employeesNewcastle upon Tyne, EnglandRead More
Komodo Digital is a software development company that is headquartered in Newcastle, U.K. Founded in 2002, the company consists of 48 employees and specializes in mobile app development, UX/UI design, and custom software development. They primarily work with small businesses and midmarket clientele. Their clients tend to work in the IT, consumer products, and non-profit sectors.
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Citizens AdviceIndustries
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237$5,000+10 - 49 employeesLondon, EnglandRead More
200OK Solutions is a mobile app development firm based in Ahmedabad, India. Founded in 2009, their team of 30 serves clients in the hospitality, transportation, and dental sectors. Services include custom software development and web design.
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My ManuIndustries
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238$5,000+50 - 249 employeesNewry, Northern Ireland3rd Digital is a small Ahmedabad, India-based mobile application development company. Founded in 2017, the team specializes in mobile app development, web development, custom software development, ux/ui design, and more.Read More
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239$10,000+10 - 49 employeesLondon, EnglandRead More
Sell Staged is a London-based web and mobile app development company founded in 2019 with no more than 50 professionals. They specialize in web development, mobile app development, and UX/UI design solutions for clients ranging from small firms to large companies.
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GymCallIndustries
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240$25,000+10 - 49 employeesLondon, EnglandRead More
Blockchain company Bitorix was founded in 2018. Their small team is headquartered in London, United Kingdom. Bitorix provides blockchain, custom software development, and web development.
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