Top 30 Software Development Companies in London

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Top 30 Software Development Companies in London

January 2023

Looking for a top software development company in London?

The biggest challenge facing organizations is how they can keep up in the digital world. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence. 

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List of the Best London Software Development Firms

  • 5
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.7
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Based in Vienna, VA, 10Pearls designs and maintains apps for various companies. The company and its nearly 350 employees have experience in cybersecurity, product development, and UX/UI design.

    Clients

    • HughesNet
    • Johnson & Johnson
    • PayPal
    • CocaCola

    Industries

    Notable Project

    Brought on to assist the existing development team, 10Pearls provides medical software, website, and administrative back-end development of a large platform.

    “They get the job done, work hard, and are very responsive.”

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  • 6
    • $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 developed a SaaS application for managing briefing programs and events for Fortune 100 companies. The team coded in React and Laravel for creating a web-based application. The application helped automate and streamline the management of corporate events, briefing programs and meetings.

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  • 7
    • $25,000+
    • 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 augments a product developer's internal team during long-term, intensive projects. They provide full stack development and implementation for websites and cloud-based solutions.

    "They really try to find appropriate solutions for all of our requests."

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  • 8
    • $25,000+
    • 50 - 249 employees
    • Rickmansworth, United Kingdom

    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.

    Clients

    • Gaming Engage
    • CarLend Deals
    • Tapway

    Industries

    Notable Project

    Light IT Global is the iOS development contractor of a software development company. With the client's guidance, they work on iOS development, using Swift as the main tool and Python for the AI functionality.

    "We really appreciate the openness."

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  • 9
    • Scheduling

      4.6
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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 has been hired by a sound design and music software company to create a standalone solution for their diverse user base. They've built an iPadOS app that handles complex signal paths in real-time.

    "Infinum had a well-realized way of work that we were able to onboard and blend with our existing tools."

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  • 10
    • Scheduling

      4.9
    • Quality

      5.0
    • 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 works alongside an automotive company to develop a tabled-based mobile application. The team is building the frontend and the web server that services the app, among other tasks.

    "DataArt is not afraid to engage in challenging or niche projects."

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  • 11
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $50,000+
    • 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 has worked on various development projects for an alternative lending company. They’ve developed a proof of concept and a new financing product using JavaScript, Angular, Spring Boot, and Kubernetes.

    “Osedea has done everything we needed, and they’ve done it exceptionally well. We’re happy with them.”

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  • 12
    • $25,000+
    • 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 has designed a web app for an international affairs agency focusing on the H-2A visa program. Currently, they’re developing the app and adding various features, including a Stripe integration.

    “Whenever they have a target and a goal to hit, they hit it on the day.”

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  • 13
    • $25,000+
    • 50 - 249 employees
    • London, United Kingdom

    Altkom Software & Consulting, founded in 1998, is a software development company headquartered in Warsaw, Poland, with an additional office in Krakow, Poland. They specialize in custom software development, web development, and application management & support. The company has 130+ employees who work with enterprise, mid-market, and small businesses. The businesses they serve are mostly in the financial services industry. 
     

    Clients

    • BNP Paribas
    • AXA Insurance
    • Santander
    • Danone

    Industries

    Notable Project

    Altkom Software helped an AI company with their due diligence. The team audited the company's product delivery process, development process, system architecture, security, control system, and testing approach.

    "I appreciated the communication skills and the ability to provide feedback."

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  • 14
    • $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 developed a Sharepoint solution to improve a children's charity organization's data management and delivered an interactive wiki. 

    "We were very impressed with Influential for the positive meetings and collaboration between our two companies."

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  • 15
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom

    Core Blue Ltd is a software engineering company based in London with an office in Plymouth, U.K. The company, founded in 2015, has a team of less than ten that provides custom software development, mobile app development, web development, and IoT development services to various companies.

    Clients

    • Bank of Kigali
    • Kuoni
    • SAP
    • PayPoint

    Industries

    Notable Project

    CoreBlue creates a scalable web app for a luxury holiday rental firm by making its core system a web API. They also use React.js and Next.js to build the interface as a server-side rendered single-page app.

    "CoreBlue is receptive to feedback and worked with me to ensure we hold the platform to the highest standard."

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  • 16
    • Scheduling

      4.6
    • Quality

      4.6
    • Cost

      4.4
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $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 was tasked with website maintenance and support for a human rights charity. They used Trello to manage the development process. They also completed a feature development sprint.

    "They didn't hesitate to challenge our thinking, deconstruct ideas, and propose solutions we may have overlooked."

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  • 17
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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 provided coding, development, and design services for development of a device monitoring platform. The project required the agency to perform with little oversight and involved complete complex tasks.

    "The project was a success and has led to a substantial increase in the amount of analyzers that we are now selling."

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  • 18
    • $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.’s team helps to develop software. Initially, using HTML 5, they developed a new module with an intuitive UI that monitors and reports on performance and eases resource scheduling.

    “They have a genuine desire to do a good job for us.”

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  • 19
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.3
    • NPS

      4.8
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Plug & Play is a UX/UI agency based in London and Surrey. Founded in 2007, they are specialists in user experience and user interface design for software, websites and custom applications. They also have a front-end development service to support clients with the design implementation. Plug & Play work across a number of sectors with their clients ranging from funded startups to large corporations such as Legal & General.

    Clients

    • WWF
    • Mercer
    • Legal & General
    • Utility Warehouse

    Notable Project

    Starting with wireframes, Plug & Play rebuilt the frontend of a mortgage company’s service platform. Following the agile methodology, they rebuilt entirely new features by migrating MVC code into Angular.

    They’ve proven to be extremely competent.”

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  • 20
    • Scheduling

      4.9
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $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 provided web development services for a B2B SaaS company. The team was hired to create a web application to help with the client's office employee management. 

    "All the features that we required in the initial estimation were developed plus a couple of extra ones."

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  • 21
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.4
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • $100,000+
    • 50 - 249 employees
    • London, United Kingdom

    Founded in 2007, hedgehog lab is a global software consultancy of 200+ that specializes in multi-platform software and device innovation. Headquartered in London with six offices across three continents, their team architects, designs, and develops app solutions that prepare brands for the future of post-PC devices.

    Clients

    • Aviva
    • AJ Bell
    • LaserShip
    • Santander

    Industries

    Notable Project

    hedgehog lab works on app development for Android and iOS for an InsurTech company. They’ve built a software development kit for the client’s mobile technology using JavaScript, Kotlin, Swift, and Objective-C.

    “hedgehog lab invests time and effort into our products and creates greater opportunities for us to explore together.”

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  • 22
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    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.

    Clients

    • Danone
    • Unilever
    • Toyota
    • Royal College of Art

    Industries

    Notable Project

    Magora Systems has helped with DevOps and worked on the main core system for a mobility solutions company. They’ve also built systems from scratch using PHP, JavaScript, and relational databases hosted on AWS.

    “They’re a stable and reliable team.”

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  • 23
    • $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

    Ester Digital was in charge of rebuilding the outdated website of a venture capital firm. The new site was expected to be modern, engaging, user-friendly, and consistent with the client's branding.

    "Their team went above and beyond to meet our needs."

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  • 24
    • $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 provided custom software development services for a healthcare firm — they led the setup of the client's CRM system. The team also applied various modifications.

    "The personal relationship and responsiveness of their senior team set them apart from other vendors."

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

    Studio Graphene is a 90+ employee interdisciplinary team of strategists, designers, developers, and product managers. Studio Graphene is headquartered in London with studios in New Delhi, Lisbon, and Geneva. They collaborate with clients — from startups to established businesses — to define the details and specifications of projects, including custom software development, mobile app development, and UX/UI design.

    Clients

    • Diageo
    • Nesta
    • Harth
    • Mars

    Industries

    Notable Project

    Studio Graphene developed a personalization functionality for a mental health company's platform. Their resources redesigned the platform's onboarding flow and developed a new customer engagement product. 

    "Their development skills are excellent."

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  • 26
    • Scheduling

      4.5
    • Quality

      4.6
    • Cost

      4.4
    • NPS

      4.6
    Read Full Reviews on Clutch Visit Site
    • $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

    Geeks managed all aspects of development in creating a timeline visualization engine. The system extracts and imports historical data from a variety of sources using JavaScript.

    “While the others seemed wary of dealing with large databases and files, they were very enthusiastic about our project.”

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  • 27
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.2
    • NPS

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

    Global Talent is an IT firm based in London with more than 50 experts. Since their founding in 2017, they have provided IT staff augmentation, custom software development, and IT strategy consulting solutions for clients ranging from small firms to large companies.

    Clients

    • Vodori
    • Holovis
    • SmartXpo
    • HeyCharge

    Industries

    Notable Project

    Global Talent provides staff augmentation for three software products of an experiential marketing agency. The team produces work in a Scrum environment using mostly C# and Unity. 

    "The team truly believes that no challenge is too big."

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  • 28
    • Scheduling

      4.8
    • Quality

      4.9
    • Cost

      4.8
    • NPS

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

    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.

    Clients

    • Jumia
    • Careem
    • Khatabook
    • Cassbana

    Industries

    Notable Project

    Blink22 provided Android application development services, implementing wireframes for the native application while also contributing their own ideas.

    “They proved to be very proactive in a way they helped us solve problems.”

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  • 29
    • $50,000+
    • 50 - 249 employees
    • London, United Kingdom

    Intellectsoft is a boutique digital transformation consultancy headquartered in Palo Alto, California. The Company provides cutting edge engineering solutions for global and Fortune 500 companies with the mission to help enterprises accelerate adoption of new technologies, untangle complex issues that always emerge during digital evolution, and orchestrate ongoing innovation.

    Intellectsoft maintains its advanced domain expertise through five dedicated labs:  Cognitive Computing, Decentralized Applications (i.e. Blockchain), Internet-of-Things (IOT), Premier Customer Experience (CX), and Mixed Reality (AR, VR).

    Established in 2007, Intellectsoft operates across multiple offices with the engineering centers in the U.S., the U.K., the Nordic region and Eastern Europe.

    Clients

    • Mitsubishi
    • Fleet Nurse
    • Harley-Davidson
    • Jaguar Land Rover

    Industries

    Notable Project

    Intellectsoft was hired to develop a unique mobile gaming app for iOS. They immediately impressed the client with their professionalism and attention to detail.

    "They couldn't have done anything more."

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  • 30
    • Scheduling

      4.3
    • Quality

      4.7
    • 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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