Top 100 JavaScript Development Companies in the United Kingdom

Absolute Agency is a branding company. The small Horwich, United Kingdom-based team focuses on branding, web design, video production, web development, and more. The agency was launched in 1999.

WildPress, a web development firm, is headquartered in London, United Kingdom. They specialize in web development and web design and were launched in 2013.

Tony Demot, a web development firm, was established in 2022. Their small team is based in , United Kingdom. Their services include web development.

SiliconMint is a midsize custom software development firm located in San Francisco, California; New York, New York; London, United Kingdom and T'bilisi, Georgia. They offer custom software development, web development, AR/VR development, application management & support, and more and were founded in 2012.

TkXel is a mobile app and web development company founded in 2007. With its headquarters in Reston, Va., and an office in Lahore, Pakistan, they have a team of 318 employees. Their services include mobile app development, web development, and custom software development. They primarily serve small and midmarket clients. 

AFIVE Digital Agency is a Kyiv, Ukraine-based web development company. Launched in 2005, the small team offers web development, e-commerce development, mobile app development, ux/ui design, and more.

JNext Technologies, a web development company, is located in Surat, India; Bhavnagar, India and Norwich, United Kingdom. They specialize in web development, mobile app development, e-commerce development, application management & support, and more and were established in 2013.

Haefele Software is an outsourced Microsoft software development company based in Cape Town, South Africa, with offices in Melbourne, Australia; Tampa, Florida; and London. The company, founded in 2006, has more than 50 employees and provides custom software development, IT strategy consulting, and IoT development services to enterprise and smaller-sized companies in various industries.

Openweb Solutions is a technology service provider with a team of over 30 employees. Based in Kolkata, India, their main service lines are focused in web and mobile app development. The majority of their projects are for clients within the IT industry. 

Red Dragon Webmaster is a digital strategy company. They are headquartered in Sheffield, United Kingdom and have a small team that provides digital strategy, search engine optimization, web design, e-commerce development, and more. The firm was founded in 2015.

JMJ Web Design, a website development company, is based in Blofield Heath, United Kingdom. Founded in 2013, the small team focuses on web development, web design, e-commerce development, digital strategy, and more.

Kierweb Web Design is a web design agency and website development firm. They are based in Carlisle, United Kingdom and have a small team. Their services include web design and web development. The agency was launched in 2004.

Website development company Devonto Ltd was launched in 2008. The agency offers web development, web design, and graphic design and has a small team.

In Phase Solutions is a small website development company. The Woolavington, United Kingdom-based agency was launched in 2018. Their team provides web development, web design, digital strategy, e-commerce development, and more.

Website development firm Fraser Clark was established in 2015. They are headquartered in Edinburgh, United Kingdom and have a small team. Their services include web development, custom software development, digital strategy, search engine optimization, and more.

CausewaySoft LTD is a web development company. They offer web development and mobile app development and were established in 2020. Their small team is Belfast, United Kingdom-based.

Established in 1995, Web App Developer is a web design agency. They are in Epsom, United Kingdom and have a small team. The firm offers web design, web development, ux/ui design, other application development, and more.

Launched in 2006, simon says web design is a SEO agency. They are in Mansfield, United Kingdom and have a small team. The agency offers search engine optimization, web development, and web design.

Established in 2019, RelyWP is a website development firm. Their small team is headquartered in Bridlington, United Kingdom. Their team provides web development, cybersecurity, search engine optimization, and ecommerce marketing.

Headquartered in Frimley, United Kingdom, ServeAid Software Ltd is a web development firm. The small company was founded in 2023. Their services include web development, custom software development, and application testing.

Headquartered in Timperley, United Kingdom, Morgan Feeney is a web development company. The small agency was founded in 2022. Their team offers web development, search engine optimization, and application testing.

TekScrum, a social media marketing company, was established in 2020. Their small team is headquartered in Manchester, United Kingdom and Karachi, Pakistan. Their services include social media marketing, search engine optimization, web development, mobile app development, and more.

Altamira (formerly GBKSOFT) is a Ukraine-based web and mobile development company that specializes in UX/UI design, IT strategy consulting, web development, and mobile app development. Founded in 2011, the company delivers stable and efficient software solutions to clients looking to maximize ROI and capture consumer attention.

The Altamira team has experience in PHP, Yii2, MySQL, Postgre.sql, JSON, XML, AJAX, JavaScript, HTML, CSS, jQUERY, Angular.Js, Android SDK, iOS, Sockets.IO, and Apache. With under 250 employees, Altamira works closely with clients to produce complex web applications that accelerate sales, engage customers, and increase online traffic. 

Development agency UNL Solutions LTD is headquartered in Loughborough, UK. Since the company was founded in 2006, their team has grown to 68 employees. UNL Solutions LTD specializes in IT managed services, e-commerce development, and mobile app development. They mainly work with mid-sized businesses. 

Polarsun Creative, a CRM consulting and SI company, was launched in 2004. They are located in Skegness, United Kingdom and have a small team. Polarsun Creative focuses on CRM consulting and SI, IT managed services, IT strategy consulting, web design, and more.

Equals Creative is an UX design company launched in 2011. The agency provides ux/ui design, branding, digital strategy, e-commerce development, and more and has a small team. The agency is located in Guildford, United Kingdom.

Kraft.marketing is a small e-commerce development firm. Headquartered in Glasgow, United Kingdom, the agency was established in 2016. Their services include e-commerce development, web development, digital strategy, email marketing, and more.

SODEWE is a London, United Kingdom-based web design agency. Launched in 2019, the small team provides web design, ux/ui design, graphic design, web development, and more.

Schnell Solutions Limited, a custom software development company, was launched in 2006. Their midsize team is based in London, United Kingdom and Chandigarh, India. Their services include custom software development, mobile app development, web development, and IT strategy consulting.

Boltwood Digital, a web development company, was launched in 2019. Their small team is in Corscombe, United Kingdom. The firm provides web development, email marketing, search engine optimization, pay per click, and more.