Top 30 Software Development Companies in London

The Codest is an IT staff augmentation company. They are based in London, England; Cracow, England; Warszawa, Poland and Berlin, Germany and have a midsize team. Their services include IT staff augmentation, Custom Software Development, Web Development, and DevOps Managed Services. The agency was founded in 2009.

Clock Limited is a digital design and build company. Founded in 1997, the company is headquartered in Kings Langley, United Kingdom. They have a team of around 35 employees who focus on custom software, web, and mobile app development.

Zerocoder is a London, United Kingdom-based software development firm. The large firm was founded in 2023. Their services include custom software development, web development, mobile app development, web design, and more.

*instinctools is a custom software development company. They are headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware and have a midsize team. Their services include Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm was launched in 2000.

NashTech is a large London, United Kingdom-based software development company. Established in 2000, the team specializes in custom software development, IT strategy consulting, and application testing.

Method is a strategic design firm based in New York with offices in London; Denver; Atlanta; Charlotte, N.C.; and San Jose, Calif. The firm, founded in 1999, has more than 130 employees and provides UX/UI design, custom software development, digital strategy, web development, and branding services. Method serves enterprise and mid-market companies in the financial services, IT, arts & entertainment, customer products & services, medical, and e-commerce industries.

Metasite is a software development firm. Their midsize team is based in Vilnius, Lithuania and London, United Kingdom. The firm specializes in custom software development, application management & support, IT managed services, and IT strategy consulting.

Waracle is a digital products specialist in the UK with offices in London, Glasgow, Edinburgh, and Dundee. Founded in 2007, the company has more than 150 employees delivering high performance apps for mobile, web, Internet of Things, mixed reality, artificial intelligence, and voice. Waracle operates across a range of industry sectors, from fintech, energy, and digital health, to industrial IoT and oil and gas.

CM System Designs is a software company based in Dorking, England, and founded in 2017. Their team of more than two offers custom software and web development solutions for small and mid-market firms alike.

Headquartered in London, Opinov8 Technology Services is a technology solutions company that was founded in 2016. With offices in Ukraine and Spain, the team of 88 works with mid-market and small businesses in the financial services, advertising, marketing, gambling, hospitality, IT, and media industries. Opinov8 specializes in custom software development, enterprise app modernization, big data consulting, and clould consulting for clients.

Founded in 2010, Magora is a 50+ team of web and mobile app designers and developers based in London. Whether it’s B2B or B2C, the firm creates bespoke software that integrates with existing business solutions to enable user-centered interaction and scalable software architecture.

Steadfast Collective is a custom software development company established in 2014. The small team focuses on custom software development, web development, and e-commerce development. The agency is located in London, United Kingdom.

Based in London, United Kingdom, Goodspeed is a website development firm. The small firm was founded in 2022. Their services include web development, custom software development, and mobile app development.

Unified Infotech is technology company headquartered in New York with another office in Kolkata, India. Founded in 2010, their team of 150+ works with enterprises, small to medium businesses, and startups as end-to-end solution partners for custom-tailored software, web, and mobile apps.

Supercharge is a digital production firm that is headquartered in Budapest, Hungary with a second office in London. Founded in 2010, Supercharge's team of more than 100 employees specializes in web and mobile app development. The firm also offers UI/UX design services to its clients.  

SPD Group is an IT and development company in London, United Kingdom; Kyiv and Cherkasy, Ukraine; and Tel Aviv, Israel. Founded in 2006, they have about 16 employees that serve mostly midmarket and small-business clients in the business, financial, and IT sectors. Services include custom software development, AI, and IoT development.

Kin + Carta is a tech-centered management consultancy based in Chicago. Founded in 1964, they also have offices in London, San Francisco, New York, and Singapore. Their team of approximately 3,000 focuses primarily on enterprise clients in the financial services and health care fields. Services include mobile app development, cloud consulting, and more.

56 Degrees is a web development agency with a team of under 10 employees. Based in London and founded in 2010, they provide web development, web design, and e-commerce development services. 

Influential Software is a software development firm in London, United Kingdom; Maidstone, United Kingdom and Glasgow, United Kingdom. The firm focuses on custom software development, web development, BI & big data consulting & SI, IT managed services, and more and has a midsize team.The firm was launched in 1993.

Bladeware is an app development company that is headquartered in Zaporizhzhya, Ukraine. Founded in 2018, the team of work to provide mobile app development, custom software development, and application testing services to their small business clients. They primarily work with businesses within the education, information technology, and business services industries. 

AtraX is a small website development company established in 2006. Their services include web development, custom software development, graphic design, IT strategy consulting, and more. The company is in Florence, Italy and Tirana, Albania.

Seb Azzo is a custom software development company based in London made up of a team of fewer than 10 members. Since their founding in 2012, they have provided custom software development and enterprise app modernization solutions for clients ranging from startups to large firms, working in industries such as hospitality, education, and business services.

Limeup is a Product Design Studio headquartered in London, United Kingdom. It was founded in 2019 and has since grown to over 20 employees and helped over 50 companies create stellar designs for their products. They primarily serve clients from Fintech and Gambling industries.

Pixelette Technologies Ltd is a SEO services firm headquartered in London, United Kingdom. They focus on search engine optimization, conversion optimization, digital strategy, social media marketing, and more and were launched in 2018.

Computools is a software solutions agency founded in 2013. With its headquarters in Kiev, Ukraine, they have a team of 120 employees. Their services include custom software development, blockchain development, and e-commerce development. They primarily serve small business and midmarket clients in the business services, financial services, and healthcare and medical industries. 

Ecce. Is a small web design agency in Otford, United Kingdom. They provide web design, branding, e-commerce development, mobile app development, and more and were established in 1999.

Despite only being around since 2002, Dotsquares has nearly 1000 employees across the UK, UAE, US, Australia, India, and France. They offer a staggering variety of services, including web, app, game, and e-commerce development and IT consulting and support.

Empat is a digital agency based in Kyiv, Ukraine, and founded in 2013. With no more than 50 professionals, they provide e-commerce, web, and mobile app development solutions for clients in the industries of financial, dental, and healthcare services.

Hue&machine, an UX agency, is located in London, United Kingdom. They specialize in ux/ui design, custom software development, web design, and web development and were founded in 2020.

Old.St Labs is a software development business based in London. The business, founded in 2020, has a team of more than ten that provides custom software development, mobile app development, UX/UI design, web design & development, and AI services. Old.St Labs serves small and mid-market companies in the advertising & marketing, education, financial services, health care & medical, and legal industries.