Top 100 Software Development Companies in the United Kingdom

Authentic Studio is a creative agency founded in 2010 run by a team of less than 50. Headquartered in London, with an office in Hong Kong, Authentic Studio provides custom software development, UX/UI design, and web development services for small businesses as well as mid-market and large firms. They have experience working with clients from the fields of financial services, education, and automotive.

Fulcrum Digital is an IT firm based in Jersey City, N.J. with more than 1,000 members worldwide. Founded in 1999, they are experts in IT strategy consulting, ERP consulting, and IT managed services for mid-market and enterprise-level clients alike.

Pynest is a small IT staff augmentation company. The Tallinn, Estonia-based agency was founded in 2021. Their team offers IT staff augmentation and custom software development.

Codal is a full stack agency located in Chicago, IL. Their 90+-person team works in mobile app development, strategy, e-commerce development, and UX design. Their clients include enterprise companies and startups. Over the years they have worked in consumer products, business services, health, and education.

ERP consulting and SI company Folio3 is located in Belmont, California; Pleasanton, California; North Sydney, Australia and Dubai, United Arab Emirates. Established in 2005, the midsize team focuses on ERP consulting and SI, mobile app development, web development, custom software development, and more.

FocusReactive is an IT strategy consulting company. They are based in Amsterdam, Netherlands; London, United Kingdom and Stockholm, Sweden and have a small team. The firm specializes in IT strategy consulting, custom software development, mobile app development, web development, and more.

The Sound Pipe Media is an app development firm founded in 2009. Based in London, the team of 6 specializes in mobile app development and UX/UI design. They mainly focus on serving the advertising and marketing, entertainment, and business services industries. 

Cyber-Duck is a digital agency based in London, England, and was established in 2005. Their team of between 80 and 100 employees offers web design, web development, and mobile app development services.

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.

Launched in 2020, HKS Manpower Group is a small e-commerce development company in Delhi, India; Harrow, United Kingdom and Gurugram, India. Their services include e-commerce development, web development, custom software development, mobile app development, and more.

Neurapses Technologies Pvt Ltd is a midsize IT managed services company. The Howrah, India-based agency was established in 2016. Their services include IT managed services, BI & big data consulting & SI, IT strategy consulting, and other IT consulting and SI.

HU Digital Labs is a web development company established in 2017. The small team specializes in web development, web design, mobile app development, digital strategy, and more. The company is headquartered in Islamabad, Pakistan and London, United Kingdom.

Communication Crafts is a digital technology agency founded in 2005 and based in Ahmedabad, India, with a secondary office in Hampshire, UK. Communication Crafts boasts a team of more than 150 employees who provide a host of different services including web development, mobile app development, and video production, among others.

Headquartered in Kyiv, Ukraine, SVAIY ART is a AR/VR development company. The small firm was founded in 2020. Their team focuses on AR/VR development and blockchain.

Studio Contrast is a branding firm founded in 2016. In Huntingdon, United Kingdom, their small team focuses on branding, web design, graphic design, logo, and more.

Leojbarnett.co is an user experience design company founded in 2015. The firm specializes in ux/ui design, video production, custom software development, web development, and more and has a small team.

SO technology is a design & technology company based in Cranfield, U.K., with an office in London. The company, founded in 2007, has a team of around ten that provides e-commerce development, web development, custom software development, digital strategy, mobile app development, UX/UI design, and web design services. SO technology serves small and mid-market companies in the e-commerce, business services, energy & natural resources, retail, and education industries.

Dept is a web development firm that was founded in 2016. They have a team of over 1,300 employees, spread out over four offices in Boston, Amsterdam, Berlin, and Manchester, U.K. They offer web development, UX/UI design, and web design to midmarket and enterprise companies across the globe.
 

Box UK is an enterprise software development company based in Cardiff, UK, with an office in London. The company, founded in 1998, has more than 50 employees who provide, among others, custom software development, web development, and enterprise app modernization services to various businesses. 

Epigra is a digital service agency that is based in Istanbul, Turkey. Founded in 2009, Epigra's team of 15 employees works on UX/UI, web design, e-commerce development, mobile app development, and more.

Founded in 1999, Critical Mission Computing is a software development company that focuses on web development, web design, and e-commerce development. Headquartered in the UK, the team of 2 works primarily with small businesses in the ecommerce, financial services, and healthcare industries. 

NCube is an IT staff augmentation company. Their midsize team is based in Kiev, Ukraine and London, United Kingdom and provides IT staff augmentation, custom software development, mobile app development, and web development. The agency was launched in 2008.

UMM Digital is a hybrid branding agency with headquarters in Chennai, India with other offices in the UAE and Belgium. Since its start in 2007, the team of about 35 has provided web and mobile app development, UX/UI design, digital strategy, and branding services.

Located in London, United Kingdom, Pluralit Inclusive Technology is a midsize IT staff augmentation company. Established in 2019, the team specializes in IT staff augmentation, IT managed services, cloud consulting & SI, custom software development, and more.

Thorgate is a Python development company based in Tallinn, Estonia. Founded in 2011, this company has 30 employees and offices in London, Oslo, and Tallinn. Thorgate's services include custom software development, mobile app development, and web development.

Bad Dinosaur is a development company in Edinburgh, Scotland. Founded in 2013, they have about 15 employees that serve small-business and midmarket clients in the financial, education, and business sectors. Services include custom software development, UI/UX design, and mobile app development.

Chilliapple Ltd., a mobile app development company, was launched in 2008. The small team specializes in mobile app development, e-commerce development, custom software development, and web development. The company is based in Kent, United Kingdom and , United Kingdom.

MAKSOF is a web development company. Established in 2017, the company is headquartered in Karachi, Pakistan. The small team provides web development, mobile app development, web design, custom software development, and more.

Launched in 2006, Amexis Ltd is a cloud consulting & SI company. Their small team is in Sofia, Bulgaria; Plovdiv, Bulgaria; London, United Kingdom and Katy, Texas and offers cloud consulting & SI, IT managed services, custom software development, Artificial Intelligence, and more.

Satva Softech is a software company in Stanmore, United Kingdom, and Ahmedabad, India. Founded in 2016, they have about 10 employees that serve mostly midmarket and enterprise clients in the IT, e-commerce, and education sectors. Services include custom software, mobile app, and web development.