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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361$10,000+50 - 249 employeesTwickenham, EnglandIT strategy consulting company INVINCIX Solutions Private Limited was founded in 2017. Their midsize team is in Singapore, Singapore; Bhubaneswar, India; Ho Chi Minh City, Vietnam and Twickenham, United Kingdom and provides IT strategy consulting, ux/ui design, IT managed services, custom software development, and more.Read More
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XimpleIndustries
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362$10,000+10 - 49 employeesBridgham, EnglandRead More
Launched in 2015, Panic Bear Consulting is a small user experience company located in Ho Chi Minh City, Vietnam; Dunedin, New Zealand; Bridgham, United Kingdom and Dunedin, New Zealand. Their services include ux/ui design, e-commerce development, web development, logo, and more.
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363$1,000+2 - 9 employeesLondon, EnglandAgileSchemata, a SEO company, was founded in 2014. Their small team is headquartered in London, United Kingdom and provides search engine optimization, pay per click, ux/ui design, web development, and more.Read More
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364$1,000+2 - 9 employeesLondon, EnglandLookhere Solutions Ltd is a web design company. They are located in London, England and have a small team. Their services include Web Design, UX/UI Design, Graphic Design, Web Development, and more. The firm was founded in 2022.Read More
Clients
Mitie Group plc Samsung Luno ZapCarbon -
365$1,000+50 - 249 employeesLondon, EnglandRead More
Midsize IT managed services company Smart Working, is located in London, United Kingdom. Established in 2020, the team focuses on IT managed services, other IT consulting and SI, and IT staff augmentation.
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366$1,000+2 - 9 employeesMoulton Park, EnglandZestcode Digital is a small web development company. Founded in 2019, the firm is headquartered in Moulton Park, United Kingdom. Their services include web development and web design.Read More
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367$1,000+10 - 49 employeesLondon, EnglandRead More
eDesk Solutions is a digital agency in Karachi, Pakistan. Founded in 2018, they have fewer than 5 employees that serve mostly small-business and midmarket clients in the e-commerce, advertising, and business sectors. Services include web development, graphic design, and mobile app development.
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Sam99p.co.ukIndustries
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368$5,000+2 - 9 employeesDoncaster, EnglandRead More
Located in Doncaster, United Kingdom, 12 Studio is an user experience company. Established in 2021, the small team provides ux/ui design, branding, and web development.
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BalbyCareIndustries
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369$5,000+2 - 9 employeesEdinburgh, ScotlandRead More
Passio is a small user experience agency. The Edinburgh, United Kingdom-based company was launched in 2016. Their team provides ux/ui design, mobile app development, product design, web design, and more.
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370$10,000+2 - 9 employeesDarrington, EnglandRead More
Tucanoo Solutions Ltd is a small custom software development company. They offer custom software development, enterprise app modernization, other application development, and web development and were launched in 2011.
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371Undisclosed10 - 49 employeesAltrincham, EnglandHref Agency, a website development company, is in Altrincham, United Kingdom. The company offers web development, e-commerce development, and mobile app development and has a small team.The company was established in 2019.Read More
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372$1,000+10 - 49 employeesManchester, EnglandRead More
DEVSTUDIO TECHNOLOGIES LTD is a software development company in Huddersfield, United Kingdom and Lahore, Pakistan. The small company was founded in 2018. Their services include custom software development, web development, mobile app development, web design, and more.
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373$1,000+2 - 9 employeesLeeds, EnglandClear Horizon Digital is a small cloud consulting & SI company in Ranby, United Kingdom. They offer cloud consulting & SI, web development, e-commerce development, custom software development, and more and were launched in 2022.Read More
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374$1,000+10 - 49 employeesLondon, EnglandRead More
Based in London, United Kingdom, Xtreme Web Tech is a branding agency. The agency offers branding, social media marketing, search engine optimization, web design, and more and is small.The agency was established in 2013.
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375$25,000+10 - 49 employeesLeeds, EnglandRead More
Ventureaxis is a small custom software development firm. Established in 2003, the agency is in Leeds, United Kingdom. Their services include custom software development, web development, enterprise app modernization, and mobile app development.
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376Undisclosed2 - 9 employeesBootle, EnglandLocated in Bootle, England, Moji Studio Tech is a web development firm. The agency focuses on Web Development, Custom Software Development, and E-Commerce Development and is small.The agency was established in 2026.Read More
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377$5,000+10 - 49 employeesLondon, EnglandWebsite development firm Alquis is in London, England. Established in 2013, the small team provides Web Development, Web Design, Pay Per Click, Search Engine Optimization, and more.Read More
Clients
DMFencesIndustries
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378$25,000+10 - 49 employeesGuildford, EnglandCommunere Ltd is a website development company located in Guildford, United Kingdom. Established in 2012, the small team focuses on web development, custom software development, mobile app development, Artificial Intelligence, and more.Read More
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AgxioIndustries
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379Undisclosed10 - 49 employeesLondon, EnglandRead More
SmallGiants is a web development firm in London, United Kingdom. The small firm was founded in 2018. Their team provides web development, ux/ui design, application management & support, advertising, and more.
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380$1,000+2 - 9 employeesLondon, EnglandRead More
Cloudavity Consulting LTD is a consultancy founded in 2018. Their team of fewer than 10 provides cloud consulting and web development solutions from their office in London. They work with clients in industries such as business services, financial services, and IT solutions.
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KenoIndustries
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381$25,000+10 - 49 employeesRugby, EnglandRead More
CoreScripts Technologies LLP is a software development house headquartered in Pune, India. Founded in 2018, their team of 8–10 employees specializes in custom software development. They also offer BI and analytics, testing and QA, and cloud migration services.
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382$1,000+2 - 9 employeesLondon, EnglandFirsttouch Digitals Global is a London, England-based website development firm. The small company was founded in 2023. Their services include Web Development, Email Marketing, Call Center Services, CRM consulting and SI, and more.Read More
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Seun Adeyemo Faith Omajuwa Othniel KomolafeIndustries
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383$1,000+2 - 9 employeesFulham, EnglandRead More
Lisa Web Design is a web agency based in Küçükçekmece, Turkey with more than two employees. They have offered web design, custom software development, and web development solutions since their founding in 2013.
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Novarch E-CommerceIndustries
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384$10,000+2 - 9 employeesGuilden Morden, EnglandRead More
Crowers Limited, a custom software development company, is based in Guilden Morden, United Kingdom. The company specializes in custom software development, mobile app development, web development, web design, and more and has a small team.The company was founded in 2017.
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XylemIndustries
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385$1,000+10 - 49 employeesLondon, EnglandRead More
Zenibyte Creative Ltd is a small London, United Kingdom-based e-commerce development firm. The team specializes in e-commerce development, mobile app development, web development, web design, and more.
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386$10,000+2 - 9 employeesLondon, EnglandRead More
O'Dwyer Software is a London-based software company founded in 2014 with a team of more than two experts. They specialize in web development, custom software development, and application testing for clients ranging from small businesses to large firms.
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GFKIndustries
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387$100,000+50 - 249 employeesLondon, EnglandRead More
TechPods is an IT firm based in Sofia, Bulgaria, and founded in 2018. With over 10 employees, they provide IT staff augmentation, custom software development, and web development services for small and medium-sized businesses alike.
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Arctic ShoresIndustries
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388$1,000+10 - 49 employeesLondon, EnglandWebtech is a custom software development firm. They specialize in Custom Software Development, Web Development, UX/UI Design, ERP consulting and SI, and more and were founded in 2021. Their small team is in London, England.Read More
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389$10,000+10 - 49 employeesWarrington, EnglandInfopoly is a Warrington, England-based big data company. The small agency was founded in 2020. Their team specializes in BI & big data consulting & SI, Custom Software Development, Web Development, API Development, and more.Read More
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390$1,000+Freelancer employeesGateshead, EnglandRead More
Established in 2009, Baltic Design is an e-commerce development firm. The small Gateshead, United Kingdom-based team provides e-commerce development, web development, and web design.
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