Top 100 Software Development Companies in London

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Top 100 Software Development Companies in London

July 2022

Looking for a top software developer in London?

As the use of mobile and web apps rise, your business’s digital presence becomes even more important. The biggest challenge facing organizations is how they can keep up in the digital world. 

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List of the Best London Software Developers

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  • 8
    • $10,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Andersen is an international custom software development company that, among other things, specializes in healthcare software development. Since its founding in 2007, the company has opened more than ten development centers and about ten sales offices worldwide. More than 2700 highly qualified specialists work on developing, customizing corporate IT solutions, web applications, and mobile applications. Andersen has completed over 950 projects and received hundreds of positive reviews from clients worldwide. Today the company is working on over 250 projects. Our technology stack includes .NET, C#, Java, Python, PHP, Node.js, TypeScript, Golang, C++, JavaScript, Angular, React.js, Vue.js, HTML, CSS, Java (Android), Swift / Objective C (iOS), React Native, and more. We also offer manual and automated testing, business and data analysis, UI/UX design, DevOps services, IT security management, and L1, L2, L3 support.

    Clients

    • Samsung
    • Johnson & Johnson
    • GlobePayroll
    • Siemens

    Industries

    Notable Project

    Andersen was hired by a medical AI company to develop a cloud-based AI platform capable of high-throughput data processing. The project involved sprints based on the user stories described by business analysts.

    "They enthusiastically worked with us to understand our needs and proactively offered solutions and improvements."

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  • 9
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    DataArt is a software engineering firm in München, Germany; Zug, Switzerland; London, England; and New York. Founded in 1997, they have about 3,000 employees that serve mainly midmarket and small-business clients in the financial, healthcare, and IT sectors. Services include custom software development, enterprise app modernization, and UI/UX design.

    Clients

    • The Carlyle Group
    • Nasdaq
    • Apax Partners
    • Monex

    Industries

    Notable Project

    DataArt provides e-commerce solutions for a B2B marketplace. The team is responsible for creating an automated and scalable solution that can be operated in multiple countries.

    "They try to solve problems in challenging times, which is highly appreciated."

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  • 10
    • $25,000+
    • 50 - 249 employees
    • Croydon, United Kingdom

    Founded in 2005 and headquartered in Croydon, UK, GoodCore Software specializes in bespoke software development. With a team of about 50 employees, the company offers web and mobile app development to startups and established businesses alike. Engagement options include fixed-cost and dedicated development teams.

    Clients

    • Printed Music Licensing
    • Weight Loss Resources
    • GC Business Finance
    • XTracked Deliveries

    Industries

    Notable Project

    GoodCore Software is revamping a fertility treatment company’s app. The team has migrated the app into a SQL server, and they’re working on enhancing its functionality. They’ve also worked on its UI/UX design.

    “GoodCore’s organization, methodology, and transparency distinguish them from other providers.”

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  • 11
    • $1,000+
    • 50 - 249 employees
    • London, United Kingdom

    Imaginary Cloud is a Web, Mobile and AI Software Development and UX/UI Design Company with offices in the UK, US and Portugal. In the last 11 years they have helped build and scale more than 300 applications, from Start-ups, Scale-ups to Enterprises, winning several global awards. They offer a comprehensive skill set of developers, data scientists and designers coupled with a streamlined agile process.

     

    Clients

    • Nokia
    • Sage
    • Ernst & Young
    • BNP Paribas

    Industries

    Notable Project

    Imaginary Cloud developed an interactive website for a online awareness initiative. The original site was built on React powered by data residing in Google Sheets.

    "The people at Imaginary Cloud were both professional and organized."

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  • 12
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    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.

    Clients

    • Deloitte
    • American Express
    • London Stock Exchange
    • Pret a Manger

    Industries

    Notable Project

    Influential Software provided certified Apple and Microsoft training for an IT support company. 

    "They clearly understood our training requirements and were able to recommend the courses that we would need."

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  • 13
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.7
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    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Bit Zesty is a custom software development firm. They provide custom software development, ux/ui design, web development, application management & support, and more and were launched in 2009. Their small team is London, United Kingdom-based.

    Clients

    • Oxford Medical Simulation
    • Trussell Trust (UK Foodbanks)
    • Queen's Awards for Enterprise
    • HMRC

    Industries

    Notable Project

    Bit Zesty upgraded and rewrote two existing apps for a health and safety software company. They developed upgrades for APIs, added new functionality, and more.

    "For any urgent issues we were able to contact them quickly."

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  • 14
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      4.9
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    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Infinum is a software development company in San Francisco, CA. The 50+ team has equal experience in mobile and web development. They work with clients from a variety of industries, including business and financial services and automotive.

    Clients

    • Philips
    • Nike
    • Porsche
    • Coca Cola

    Industries

    Notable Project

    Infinum provides mobile app development services for a bank. Their team built an Android and iOS app from scratch. Now, they handle maintenance and updates as well as resolve any issues that may arise.

    “Infinum has a young responsive team that’s well-equipped for what it does.”

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  • 15
    • Scheduling

      4.8
    • Quality

      4.7
    • Cost

      4.5
    • NPS

      5.0
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    • $100,000+
    • 50 - 249 employees
    • London, United Kingdom

    Apadmi is a 140+ member mobile tech group specializing in app development, IoT, and consulting for big data, BI, and SI. Founded in 2009 and based in Manchester, UK, their team excels at helping organizations use technology to achieve a competitive advantage.

    Clients

    • BBC
    • Argos
    • Lexus
    • Range Rover

    Industries

    Notable Project

    Apadmi serves as the mobile app development partner to a SaaS company. They used React Native to build iOS and Andriod solutions, including three software development kits and a sales demonstration app.

    "There’s a lot of expertise and passion on their team."

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  • 16
    • $25,000+
    • 250 - 999 employees
    • London, United Kingdom

    Objectivity Ltd. is an IT company headquartered in Coventry, United Kingdom, that provides custom software and web development, as well as web design functions. Founded in 1991, the company has over 600 employees. The businesses they serve represent multiple industries including the business services, financial services, and real estate industries.
     

    Clients

    • Morrisons
    • Primark
    • Edrington
    • Knight Frank

    Industries

    Notable Project

    Objectivity Ltd. provides web and mobile app development for a financial services company. Their work includes creating applications that manipulate displayed data for third party clients.

    “They quite often go the extra mile.”

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  • 17
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    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.

    Clients

    • Toptal
    • McDonald's
    • Bridgestone
    • T-Mobile

    Industries

    Notable Project

    An integrated service platform initially wanted to implement an add languages option to their current website. They engaged with Ester Digital for the project, but included adding a drop-down menu as well.

    "Their knowledge, patience, and quick communication were all impressive."

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  • 18
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      5.0
    • NPS

      5.0
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    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    TH-EY is a development agency in London, England. Founded in 2017, they have about 8 employees that serve clients in a variety of industries. Services include custom software development, web development, and mobile app development.

    Clients

    • Launchworks
    • Own-Kind
    • pixable
    • First Ascent

    Industries

    Notable Project

    TH-EY built a web app for a management consulting firm's internal workflow. The client wanted to transition from Microsoft Office to a dedicated app that scales their company.

    "They showed commitment to our result!"

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  • 19
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.3
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Theodo UK, founded in 2015, is a consultancy and digital development agency headquartered in London with an additional location in Paris. With a team of over 30 employees, they mainly provide mobile app development, web development, and custom software development services.
     

    Clients

    • Admiral
    • Veygo an Admiral company
    • BNP Paribus
    • MADE.com

    Industries

    Notable Project

    Theodo developed an e-commerce website for a cab comparison company. The team fixed and enhanced the UI flow of the site, working in Node and React for development. 

    "They are good developers and architects who pay close attention to detail."

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  • 20
    • Scheduling

      4.5
    • Quality

      4.6
    • Cost

      4.4
    • NPS

      4.6
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    • $50,000+
    • 50 - 249 employees
    • Sutton, United Kingdom

    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.

    Clients

    • BBC
    • EasyJet
    • Euromoney
    • Mitie

    Industries

    Notable Project

    A real estate brokerage hired Geeks Ltd for custom software development services. The team handled the client's intranet support services, CRM, document processing, and mobile optimization.

    "We were impressed by their knowledge, communication style, and professionalism."

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  • 21
    • $10,000+
    • 10 - 49 employees
    • Watford, United Kingdom

    AppDrawn is a software solutions company founded in 1999. Their headquarters are in London and they have a second office in Barcelona. Across these 2 locations, they have a team of a dozen staff that do custom software development, web development, and mobile app development for small and medium-size businesses.

    Clients

    • Aspire Customer Communication Services
    • Imagine Property Group
    • Renteq Highways
    • HSM

    Industries

    Notable Project

    AppDrawn Software Development provides ongoing custom software development for a fulfilment technology company. The team created a cloud-based software system for the business to operate in real-time.

    "They are always trying to figure out what the customer needs before the customer even knows it."

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  • 22
    • Scheduling

      4.3
    • Quality

      4.6
    • Cost

      4.3
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    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.

    Clients

    • SITA
    • Lenovo
    • iHeart Media
    • Panasonic

    Industries

    Notable Project

    CI&T (formerly CINQ Technologies) provided development support, augmenting the team of a software development organization. They migrated an out-of-date Java Applet-based application to a modern web-based platform.

    “I will always reach out to CI&T (formerly CINQ Technologies) as my first choice for development.”

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  • 23
    • Scheduling

      4.9
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    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.

    Clients

    • Ubisoft
    • Manchester City
    • Evry
    • Clear

    Industries

    Notable Project

    Method (formerly Skookum) manages UX design and user testing for a financial services company. They research concepts, assist with journey mapping, track data, and assist with POS kiosk and API development.

    “Their production schedule allowed us to move faster on the project.”

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  • 24
    • Scheduling

      4.3
    • Quality

      4.8
    • Cost

      4.2
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 250 - 999 employees
    • London, United Kingdom

    Softwire is a digital design, engineering and support agency, with offices in London, Cambridge and Manchester. Employing over 200 engineers we create bespoke digital software, mobile apps, and offer strategic IT consulting for some of the UK’s leading brands including the BBC, David Lloyd Clubs, Channel 5 and many large Government Departments.

    Clients

    • The BBC
    • David Lloyd Clubs
    • RSA
    • The Cabinet Office

    Industries

    Notable Project

    A property portal company has collaborated with Softwire for custom software development using React, Java, and more. They manage product research, MVP creation, launching process, and various optimization. 

    "They operate independently and raise issues only when necessary."

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  • 25
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    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.

    Clients

    • BetDSI
    • Strengthscope
    • Clevry
    • Buyfair

    Industries

    Notable Project

    AVAMAE Software Solutions Ltd designed and developed a web-based platform for a strength assessment business. The team managed the entire process from coding to deployment to hosting. 

    "They’re a core part of what we do now."

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  • 26
    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom

    Browser London is a digital product agency based in London, United Kingdom. This company has 11 employees and was founded in 2008. Services offered by Browser London include UI/UX design, web design, and custom software development for companies of all sizes.

    Clients

    • Mayor of London
    • Lightning API
    • Shell
    • NHS

    Industries

    Notable Project

    Browser London created a simple software platform for a supply chain transparency firm. The client worked with a UI/UX specialist and a senior web developer to build the prototype. 

    "They were highly involved and engaging. We also came up with some good ideas for how to present information together."

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  • 27
    • $5,000+
    • 250 - 999 employees
    • London, United Kingdom

    Exato Software is a development agency based in Jaipur, India. They were founded in 2019 and have a team of around 10 employees. Their main services include custom software, web, and mobile app development for small businesses. 

    Clients

    • Mezatwins
    • Consumer Truth
    • Waggy Tail Petcare
    • Karachi Kitchen

    Industries

    Notable Project

    A crowdfunding platform hired Exato Software to develop a web app where people can start a fundraiser and receive money online from donors. They integrated a payment gateway and implemented security protocols.

    "Their feedback, incorporation, and report system ensured timely completion of the beta version and final project."

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  • 28
    • Scheduling

      4.7
    • Quality

      4.7
    • Cost

      4.6
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Tivix is a digital product development and design company headquartered in San Francisco, with offices across the US, UK, and Europe. Founded in 2008, they have over 90 employees who serve startup, midmarket, and enterprise clients across diverse industries such as FinTech, health care, manufacturing, government, and nonprofit. Tivix reduces engineering risk for clients by offering rapid time-to-market while delivering standards-based code that can be transitioned to an internal team at any time. Their focus is building both internal and consumer-facing digital products that drive business growth. Services include product management, UX/UI design, full-stack software engineering, and DevOps

    Clients

    • NATO
    • Apple
    • United Nations
    • Zoetis

    Industries

    Notable Project

    Tivix supported a software development project’s design phase for a device testing company. They mapped out requirements, gathered user stories, and produced data structures.

    "They were always on top of the engagement’s progress, and they always checked our availability."

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  • 29
    • Scheduling

      4.7
    • Quality

      4.5
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Osedea is a computer software company boasting a team of just over 40 employees that provide custom software and mobile app development, as well as AI services. From their headquarters in Montreal, Canada, they partner with enterprise and mid-market companies in the manufacturing, energy, and telecom sectors. 

    Industries

    Notable Project

    Osedea provided web development services for a technology platform. They advised the client on the technologies to use and the resources needed. Then, they developed the MVP from scratch using JavaScript.

    “They had the right people working on my project; the teammates understood it.”

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  • 30
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2015, Honeycomb Software is a software development firm that offers custom software development, web development, and web design services to their small business, mid-market, and enterprise clients in the IT, business services, and e-commerce industries. Their 250 employees  are based out of Lviv and Rivne, Ukraine.

     

    Clients

    • Tracir Financial Services

    Industries

    Notable Project

    Honeycomb Software is building a custom social platform for a diverse range of stakeholders in the agriculture industry. Working from a partial design provided by the client, Honeycomb is delivering on time.

    "Honeycomb is incredibly proactive when it comes to voicing their opinion on improving our project." 

     

     

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