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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421$10,000+2 - 9 employeesLondon, EnglandRead More
Under2 is a web agency based in London with more than two employees. They have provided web design, web development, and conversion optimization solutions since their founding in 2018. They work primarily with clients in the field of financial services.
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MambuIndustries
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422$5,000+Freelancer employeesBirmingham, EnglandRead More
THE WEB ENGINEER is a web designer based in Birmingham, U.K. Founded in 2009, the single employee offers web development, e-commerce development, and mobile app development services to small business clients.
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iSecured LtdIndustries
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423$10,000+10 - 49 employeesLondon, EnglandRead More
Launched in 2016, Furious Fox Limited is an app development company. Their small team is located in London, United Kingdom. Their team provides mobile app development, e-commerce development, Artificial Intelligence, custom software development, and more.
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424$1,000+50 - 249 employeesLondon,, EnglandESOLS is an other digital marketing company. The midsize Mirpur, Pakistan-based company was established in 2010. Their services include other digital marketing, pay per click, social media marketing, content marketing, and more.Read More
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425$10,000+2 - 9 employeesOundle, EnglandHoney & Jam, a website development firm, was founded in 2023. The firm offers web development, web design, and search engine optimization and has a small team. The firm is headquartered in Oundle, United Kingdom.Read More
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Sharetribe ThirdfortIndustries
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426$10,000+10 - 49 employeesMenston, EnglandRead More
Uptic IO LLC is an Oak Park, Illinois-based DevOps Managed Services company. They focus on DevOps Managed Services, Enterprise App Modernization, cloud consulting & SI, Custom Software Development, and more and were launched in 2017.
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427$5,000+2 - 9 employeesStansted, EnglandRead More
Digital design company Brown Owl Creative is based in Stansted, United Kingdom. With fewer than 10 employees, the company specializes in web design, branding, and web development for primarily mid-market clients since their founding in 2012.
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TrustleafIndustries
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428Undisclosed2 - 9 employeesLondon, EnglandSystron Micronix is a social media marketing agency founded in 1997. They are based in Kissimmee, Florida; Nagpur, India and London, England and have a small team. The firm offers Social Media Marketing, Search Engine Optimization, IT managed services, Web Development, and more.Read More
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429$25,000+10 - 49 employeesLondon, EnglandGIS-point, a software development firm, was launched in 2017. The small team specializes in Custom Software Development, Web Development, Mobile App Development, API Development, and more. The agency is headquartered in London, England; Tallinn, Estonia and L'viv, Ukraine.Read More
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430$1,000+10 - 49 employeesManchester, EnglandDev Bench is a small web design agency launched in 2018. Their services include web design, custom software development, social media marketing, search engine optimization, and more. The agency is in Manchester, United Kingdom.Read More
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431$1,000+Freelancer employeesStoke-on-Trent, EnglandRead More
Web design agency Lee Lawton Design is located in Stoke-on-Trent, United Kingdom. The small firm was founded in 2016. Their services include web design, branding, ux/ui design, web development, and more.
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432Undisclosed2 - 9 employeesPortsmouth, EnglandFounded in 2023, Axons is a small web design agency. Their team provides web design, ux/ui design, web development, mobile app development, and more. The firm is headquartered in Portsmouth, England.Read More
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433$1,000+Freelancer employeesHINCKLEY, EnglandRead More
CreativeScript is a web design company based in Nuneaton, England. Established in 2011, this solitary freelancer provides services in web development, web design, and graphic design.
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434$25,000+10 - 49 employeesCrowborough, EnglandCustom software development company Elysium Ltd is headquartered in Crowborough, England. The company focuses on Custom Software Development, DevOps Managed Services, Enterprise App Modernization, Application Management & Support, and more and is small.The company was founded in 1991.Read More
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435$1,000+Freelancer employeesCanterbury, EnglandRead More
Alex Cachia is a small website development company. They specialize in web development and were launched in 2018.
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436$10,000+10 - 49 employeesBurnley, EnglandEstablished in 2021, TopFlight Digital is a custom software development company. In Burnley, England and London, England, their small team offers Custom Software Development, API Development, Microservices Architecture Services, Web Development, and more.Read More
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437$1,000+10 - 49 employeesGlasgow , ScotlandAxisway is an UX design company in Kyiv, Ukraine. The small company was established in 2016. Their team provides ux/ui design, mobile app development, web development, digital strategy, and more.Read More
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Magic Appliance Repair, USIndustries
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438$10,000+10 - 49 employeesLeeds, EnglandRead More
Founded in 2010, NewRedo Ltd. is a software development company headquartered in Leeds, England. Their team of under 10 serves businesses of all sizes in industries such as healthcare, financial services, and government. Services include custom software development, IT managed services, and mobile app development.
Clients
RaceBestIndustries
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439$10,000+50 - 249 employeesLondon, EnglandUser experience company Toimi is located in London, England. The midsize agency was established in 2017. Their team specializes in UX/UI Design, Product Design, IT staff augmentation, Web Development, and more.Read More
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440$10,000+2 - 9 employeesLondon, EnglandAtEnbi is a software development firm. Their small team is headquartered in Warszawa, Poland and London, England. The firm provides Custom Software Development, Web Development, UX/UI Design, Mobile App Development, and more.Read More
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441$1,000+10 - 49 employeesLechlade-on-Thames, EnglandVeksa Ltd is a small web development firm launched in 2021. Their services include web development, mobile app development, search engine optimization, custom software development, and more. The agency is in Lechlade-on-Thames, United Kingdom.Read More
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442$10,000+10 - 49 employeesBirmingham, EnglandEstablished in 2014, KIJO is a web design agency. The company focuses on Web Design, Digital Strategy, UX/UI Design, Web Development, and more and has a small team. The company is headquartered in Birmingham, England and London, England.Read More
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443$25,000+250 - 999 employeesLondon, EnglandLaunched in 2003, Reprise Digital is a website development company. Their services include Web Development and UX/UI Design.Read More
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444$5,000+2 - 9 employeesCardiff, WalesRead More
CarbonCode Solutions Ltd, a custom software development company, was established in 2020. Based in Caerphilly, United Kingdom, their small team provides custom software development, web development, mobile app development, and other application development.
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445$1,000+50 - 249 employeesDrive, EnglandEstablished in 2024, iTechniq is a mobile app development company. Their midsize team is located in Drive, England and offers Mobile App Development, Web Development, and Low/No Code Development.Read More
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446$1,000+10 - 49 employeesLondon, EnglandVisEngine Digital Solutions is a small AR/VR development company headquartered in London, England and North Arlington, New Jersey. Their services include AR/VR development and Interior Design.Read More
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447$1,000+2 - 9 employeesNottingham, EnglandCustom software development firm U2A Solutions UK Limited was launched in 2012. Their small team is based in Nottingham, United Kingdom. Their services include custom software development, web development, mobile app development, e-commerce development, and more.Read More
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448$25,000+10 - 49 employeesLondon, EnglandRead More
AK Full Auto is a software company based in London with more than 10 employees. They have offered web development, mobile app development, and web design solutions since their founding in 2018. They mainly work with small and mid-market firms.
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AppeaserIndustries
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449$10,000+2 - 9 employeesBrighton and Hove, EnglandRetain is a web development firm. The small Brighton and Hove, England-based company was established in 2019. Their services include Web Development, E-Commerce Development, and Web Design.Read More
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450$10,000+10 - 49 employeesCardiff, WalesCardiff App Developers is a Cardiff, Wales-based mobile application development firm. The team specializes in Mobile App Development and Web Development.Read More
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JP Logistics Taxi Studio Find My Poultry Sit By MeIndustries
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