Top 30 Software Development Companies in London

Founded in 2017, Lambert Labs is a software development agency that specializes in Python. Their team of fewer than 10 employees is based in London. They also provide web development services and application testing. 

Founded in 2004, HeadChannel is a software development firm that offers custom software development, web development, and mobile app development services to their small business and mid-market clients in the IT industry. Their 50 employees are based out of offices in London and Katowice, Poland.

Blink22 is a mobile and web development firm based in Alexandria, Egypt. Founded in 2015, their team of 125 serves clients in the transportation and communal workplace sectors. Services include, iOS, Android, and React Native development.

Geeks is a software development company in London. Founded in 2007, Geeks' team of 85 specializes in custom software development, web development, and mobile app development, primarily for midmarket clients in media and govenment.

Applifting is a software studio based in Prague. Since 2014, their team of 70+ has been specializing in custom software development, digital strategy, and UX/UI design. 

Founded in 2005, PGS Software is an IT solutions company based in Wroclaw, Poland. They provide development and consulting services to businesses of all sizes from a variety of industries. 

Appstronauts is a mobile app development company that was founded in 2015. They are headquartered in Warsaw, Poland with another location in Manchester, U.K. The company is made up of 11 employees and specializes in mobile app development, custom software development, and IT strategy consulting. Their client focus is small businesses, primarily in the business services, consumer products, and education industries.

Light IT is a data science consulting and software development company located in Zaporizhzhia, Ukraine and founded in 2006. They have 132 employees who provide custom web and mobile software development services to various-size companies in advertising, finance, healthcare, travel, and education. This includes IT consulting, market research, QA, design, and business analytics.

CyBearSoft is a software development firm. Established in 2021, the small agency is in London, United Kingdom. Their team specializes in custom software development, web development, and mobile app development.

Mifort is a web development firm. Founded in 2015, the team focuses on web development and mobile app development. Their small company is Tallinn, Estonia-based.

Magicforce is a CRM consulting and SI company founded in 2019. Their small team is located in London, United Kingdom and L'viv, Ukraine. Their services include CRM consulting and SI.

Ester Digital is a web design agency based in Tallinn, Estonia. Founded in 2015, the team of 7 specializes in web design, graphic design, and logos. They work mostly with small business clients, and primarily work within the advertising and marketing, information technology, and business services industries.

Oleg Chulakov Studio is a digital agency. The agency, founded in 2009, has more than 50 employees and provides web design and development, UX/UI design, product design, mobile app development, and e-commerce development services. Oleg Chulakov Studio serves small and larger-sized companies in the financial services, e-commerce, telecommunications, and real estate industries.

Tech Alchemy is a software development studio based in London. Founded in 2016, they have around 150 employees who provide startups and small to medium-sized businesses with custom software development, blockchain development, and web & mobile app design and development. Services include prototyping, discovery, MVP development, and Web3 digital transformation

Powercode is a web development agency based in Kyiv, Ukraine founded in 2015. They are operated by a team of 66 who are experts in web, mobile app, and custom software development for clients ranging from startups to enterprises. They have experience working in industries such as financial services, business services, and IT. They are also familiar with working with platforms like Amazon, Linux servers, and Azure, among others.

Binary Mango is a mobile app development platform that's based in London. Since 2016, their team of fewer than 10 have provided mobile app as well as AR/VR development assistance to mid-market and enterprise-level clients in the fields of consumer products and advertising. 

3 SIDED CUBE is an accredited app development and digital product agency headquartered in Bournemouth, England with additional locations in London, Chicago, and Washington, DC. Since their ambitious beginning in 2009, the team of about 38 has collaborated with startups and international organizations, reaching over 87 countries and more than 100 million global downloads. In addition to mobile app development, they also provide UX/UI design services to inspirational organizations.

Transputec, a midsize cybersecurity company, is located in Wembley, United Kingdom. They focus on cybersecurity, IT managed services, and custom software development and were launched in 1984.

Pixelfield is a digital agency based in London. Founded in 2012, their team of around 15 employees specializes in UX/UI design, product design, and custom software development.

AVAMAE is a software solutions agency run by a team of fewer than 50 professionals founded in 2011. Based in London, the company offers custom software, web, and mobile app development services for small and medium-sized businesses from various industries, such as business services, financial services, and health care.

Mobcoder is a software development company based in Seattle. They also have an office in Noida, India. Founded in 2014, their team of 40 employees provides mobile app development, custom software, and web development services to its midmarket and small business clients. They also serve enterprise clients. 

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.  

Cloudflex, a custom software development firm, is in Kyiv, Ukraine. The small team specializes in custom software development, mobile app development, web development, Artificial Intelligence, and more. The firm was founded in 2018.

RNDpoint (former PST Labs) is a London-based development firm. The team of over 50 provides mobile app, custom software and web development services. Founded in 2014, they primarily serve enterprise businesses in the financial services industry.

 Cefar is a digital agency founded in 2006 and headquartered in Leeds, UK with an office in London. Their team of 20 provides PPC, web design, graphic design, and web development services. 

Heveloon ltd is a mobile app development company in London, United Kingdom. Founded in 2018, they have about 5 employees that serve mostly small-business and midmarket clients in the medical, business, and financial services sectors. Services include mobile app development, blockchain, and enterprise app modernization. 

200OK Solutions is a mobile app development firm based in Ahmedabad, India. Founded in 2009, their team of 30 serves clients in the hospitality, transportation, and dental sectors. Services include custom software development and web design.

CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.