List of the Best United Kingdom Software Developers

  • 31
    $5,000+
    50 - 249 Employees
    London United Kingdom

    White Label Coders is a software house founded in 2011 and located in Gliwice, Poland. They employ 15 industry professionals specializing in Magento e-commerce and custom business web application development. They work primarily with international companies, providing innovative solutions for WordPress, e-commerce, and custom software.

    Clients
    HomeKoncept
    DrOmnibus
    Adexbud
    Industries
    Notable Project

    White Label Coders developed and managed a custom software solution to manage all business operations for a computer hardware company. They worked quickly and effectively, implementing a job management system, inventory management, a CRM, and integration with VoIP. The system is the functional foundation of the business, integral to all daily operations.

    “This system runs the entire backend of our company. Without it, we wouldn't be able to get done what we need to get done. They’re also a great team to work with. They've always delivered exactly what I needed.” – CEO, Computer Hardware Company

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  • 32
    $1,000+
    2 - 9 Employees
    London United Kingdom

    Aalpha Information Systems India Pvt. Ltd. is a software outsourcing company founded in 2007. Based in Hubli, India, they have additional offices in Bridgewater, N.J., Sandane, Norway and Bangalore, India. The team specializes in web development, e-Commerce development, and custom software development. They primarily serve small businesses in the consumer products & services, business services, and advertising & marketing industries. 

    Industries
    Notable Project

    Aalpha Information Systems created a website to help Kenyan auto dealers cooperate with Japanese exporters in providing cars/parts for local users. They now support ongoing SEO, testing, and implementation. The client was impressed with the team's work and their dedication to the project.

    "The results of the project were the best. Currently, we have a really high number of customers accessing our site to shop. Locally, our website ranking has also greatly improved due to completion of these projects." — CEO, Kenyan Automotive Store

  • 33
    $25,000+
    10 - 49 Employees
    Slough United Kingdom

    Avco Systems is a software development company in Slough, United Kingdom, and Israel. Founded in 1986, they have about 34 employees that serve clients in a variety of sectors. Services include custom software development, IT managed services, and application management and support.

    Clients
    Vas
    Experian
    Hertfordshire SFX
    A2C
    Notable Project

    Avco Systems provided software development services for a software vendor. Their team created several web-based applications using C# and JavaScript. The solutions have received positive feedback and are of a high standard.

    “Their team is easy to get along with and do business with.” – CEO, Software Vendor

  • 34
    $25,000+
    10 - 49 Employees
    Sarratt United Kingdom

    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.

    Clients
    International Tennis Federation
    Wall Street Journal
    Leicester Tigers
    The Sun
    Industries
    Notable Project

    Clock Limited redesigned a website for a news and media outlet. The team also built a custom CMS for the client. The site forms the foundation of the internal team's business.

    "The CMS is fantastic and they have been very receptive to our ideas, no matter how big or small." – Site Editor, News Outlet

  • 35
    $25,000+
    250 - 999 Employees
    Bridge of Don United Kingdom

    CSHARK is a software and product development company that helps enterprises with digital transformation and start-ups translate ideas into products. Founded in 2014, it currently has over 300 mid and senior developers on board. CSHARK creates web and mobile apps from scratch and consults companies from FinTech and RegTech sectors. According to the Financial Times ranking in 2019 and 2020, we were among the fastest-growing companies in Europe.

    Clients
    Focis
    Meta Bytes
    Mindset Innovation (Eno)
    Petromex
    Industries
    Notable Project

    CSHARK is developing custom software for a research company from Switzerland. Working in C# and .NET, the team is implementing a wide range of solutions such as graphical interface, SQL database, algorithmic generation, or modeling engine.

    "The code quality increased drastically by reaching an 80% code coverage in just a few months of work, while the amount of feature implemented more than doubled since the arrival of the CSHARK development team.” - Software Architect, Research Company.

  • 36
    $25,000+
    50 - 249 Employees
    Ratby United Kingdom

    Founded in 2007, Evolve IT Consulting is an IT consulting firm. Their team is based in Ratby, United Kingdom, with an additional office in Kyiv, Ukraine. They focus on custom software development, IT staff augmentation, and mobile app development.

    Clients
    Zeux
    Bridgestone
    Symphony
    Industries
    Notable Project

    Evolve IT Consulting provides staff augmentation and recruiting services for a virtual event company. The team handles everything from the interview process through onboarding, as well as admin services.

    "We’re happy with what we have with Evolve IT Consulting, in terms of timely delivery and quality of code." – Founder & CEO, Virtual Event Company

  • 37
    $50,000+
    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
    Apple Leisure Group
    Cancer Research UK
    Nasdaq
    Credorax
    Industries
    Notable Project

    DataArt provided QA services for a financial institution. In order to help facilitate a smooth transformation, their team tested credit card payments, billing, and other automated functionalities. Their work has received positive feedback and helped detect bugs and issues.

    “The substantial parts are that they’re really transparent and responsive.” – VP & CTO, Financial Institution

  • 38
    Undisclosed
    2 - 9 Employees
    Bollington United Kingdom

    ACS is a software house based in Bollington, England, and founded in 2099. Their team of no more than 10 specializes in custom software development, mobile app development, and big data consulting solutions for clients in the fields of hospitality and healthcare.

    Clients
    The Manchester United Supporters Trust
    Sony Music
    EA
    Industries
    Notable Project

    ACS developed a website for an athletic nonprofit. ACS worked on the backend and content of the nonprofit’s website to make it more easily manageable. ACS’s work has left a positive impact on the nonprofit.

    “There’s a high level of trust between our company and ACS.” - Co-Founder, Athletic Nonprofit

  • 39
    $10,000+
    10 - 49 Employees
    Brighton United Kingdom

    DabApps is a web and mobile application development agency based in Brighton, England. They were founded in 2010 and have a staff of 21 employees. They specialize in custom software, web, and mobile app development for primarily small business clients in the business services, consumer products, and education industries.

    Clients
    BiteAppy
    PeopleWise
    Brighton Fringe
    Industries
    Notable Project

    DabApps built an app for an illustration agency. They created apps for Android and iOS that fit the client's specifications and incorporated their visuals, artwork, and custom emojis. The client was very satisfied with the product, and with the professional partnership. 

    “They were really good. They stuck to all the deadlines we set which were quite tight at times. They had very good project management overall.” – Agent, Illustration Agency
     

  • 40
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Gorrion Software House is a software development firm founded in 2009. Based in Gliwice, Poland, with additional offices in Katowice, Poland and Silesian, Poland, the team of 32 specializes in web development, mobile app development, and custom software development. They primarily serve small business clients in the business services, consumer products & services, and e-commerce industries. 

    Clients
    Whirlpool
    McDonald's
    ASUS
    Industries
    Notable Project

    Gorrion Software House worked on various e-commerce development needs for an e-commerce platform. The team has created large CSMs, mobile applications, and rapid shipping management. The client was pleased with the team's work. 

    "The project management was very effective." — CEO, E-Commerce Platform

  • 41
    Undisclosed
    1,000 - 9,999 Employees
    London United Kingdom

    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.

    Clients
    Picciano and Scahill
    India First Life Insurance
    Independence Blue Cross
    Industries
    Notable Project

    Fulcrum Digital developed and designed a system for an insurance defense law firm. The firm needed a system to help manage their cases. The launch of the system proved to be a success, and any flaws in the system were swiftly dealt with.

    “I was impressed by their depth of understanding of our wants.” - Former Director of IT Operations, Insurance Defense Law Firm

  • 42
    $10,000+
    2 - 9 Employees
    London United Kingdom

    Sprint Innovations is a development agency based in London with fewer than 10 employees. Founded in 2014, they offer custom software, web, and mobile app development solutions for clients that work in the fields of business services, financial services, and real estate.

    Clients
    Shanghai Leader
    The Depositary
    Eurocom CI
    Industries
    Notable Project

    Sprint Innovations developed a custom software solution for a real estate investment firm. The firm needed a management operation software solution that catered to day-to-day management needs. The new system drastically improved operations for the firm.

    “The team did do a pretty good job.” - Founder, Real Estate Investment Firm

  • 43
    $25,000+
    10 - 49 Employees
    Milton Keynes United Kingdom

    Entropy is a digital development company based in Bletchley, England, and founded in 2013. Their team of more than 10 employees specializes in custom software development, mobile app development, and web development. They primarily work with midmarket clients in the media, education, and healthcare fields. 

    Clients
    Oxford University Press
    Pearson
    The Financial Times
    Industries
    Notable Project

    Entropy created an app for a media company. They designed and developed apps for Android and iOS that allowed users to stream and download content produced by the client. The client was impressed with the results of their work. 

    “Because they had so much expertise in developing mobile apps, they were able to offer incredibly helpful advice on how to build the product.” – Managing Editor, Media Company
     

  • 44
    $10,000+
    250 - 999 Employees
    London United Kingdom

    Distributed is a London-based tech company with over 250 members founded in 2017. They specialize in custom software development, IT staff augmentation, and mobile app development for mid-market and enterprise-level businesses alike.

    Clients
    Providence Group
    MKL Innovation
    ABM Communications
    Industries
    Notable Project

    Distributed developed mobile apps for an investment platform. The apps were built for both Android and iOS, and let account holders view their transactions through their phones. The project went smoothly with constant feedback between both companies.

    “They have a good ability to listen.” - CEO, Investment Firm

  • 45
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Rokk is a London-based web development company. With an additional office in Exeter, U.K., they operate with a total of 29 employees. Since their founding in 2002, they have provided custom software development, mobile app development, and web design to their clients.
     

    Clients
    Tucker EMS
    Princess Yachts
    Cauldron Inn
    Notable Project

    Rokk developed and implemented a website for a motivational speaker. The client needed a website that would showcase their work to the digital world while maintaining a unique aesthetic and perspective, and Rokk delivered. They created and implemented a website on-time and on-budget, and have maintained the website since then.

    “The fact that I am still pursuing my work as a 'professional explorer', educator, consultant and ambassador for universal education provision is in itself a testament to the success of my website. Without my website, my work would be invisible and in this world, digital visibility for projects and work like mine is essential for success.” – Motivational Speaker
     

  • 46
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Businessware Technologies is a software development and consulting company based in Austin, TX, with offices in Novosibirsk, Russia. Founded in 2003, Businessware Technologies specializes in custom software development, BI/SI & big data consulting, and mobile app development services. Their client base is focused within the IT, finance, healthcare, and business services industries.

    Clients
    American Airlines
    Delta
    Samsung
    Microsoft
    Industries
    Notable Project

    Businessware Technologies worked with the technology firm to supply ongoing engineering support and assistance. Businessware Technologies uses Microsoft technologies such as .NET and SQL Server to help with internal business automation software for third-party clients. The client appreciates that Businessware Technologies maintained the same team of strong development resources with very little turnover.

    "In terms of automation processes, I'm sure we've saved clients millions of dollars through the years. This is our primary focus." — Founder, Technology Firm

  • 47
    $25,000+
    50 - 249 Employees
    London United Kingdom

    PixelPlex is a software and blockchain development company headquartered in New York City, with offices in Amsterdam, Netherlands and Minsk, Belarus. Founded in 2007, the team of 56 specializes in blockchain, custom software development, and mobile app development. They work mostly with enterprise and midmarket clients, primarily in the financial services industry. 

    Clients
    BMW
    Microsoft
    Oracle
    Rise
    Industries
    Notable Project

    PixelPlex worked on smart contract consultation and development for a crowdfunding startup. They built the contract system and created backend processes to enhance communication between the GUI and contracts. The client was impressed with their ability to deliver throughout the project.

    “As for their effectiveness, PixelPlex delivered everything we asked of them on time with no major issues.” – CTO, Crowdfunding Startup 

  • 48
    $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
    Gov.uk
    Mayor of London
    Lightning API
    Industries
    Notable Project

    Browser London provides ongoing development work and UX design with a creative agency. Their work involves JavaScript coding, UI/UX design, and additional aspects of technical development.

    "They’re a knowledgeable team. Using their modern, forward-thinking outlook, they delivered a beautiful product. They’re experienced and dedicated, allowing them to ensure that the project is spot-on." Strategy Director, Creative Agency

  • 49
    $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
    BBC
    Absorb
    Renteq
    Imagine
    Industries
    Notable Project

    An enterprise consulting firm wanted to create a market research platform for a new business opportunity. AppDrawn created a market research portal on the client's website that has created a new revenue stream for the company.

    "Tim [owner, AppDrawn] is super responsive, helpful, and proactive. He's a trusted advisor to us when it comes to IT, and isn't afraid to push back when he thinks we should take a different direction." — CEO, Consulting Firm

  • 50
    $25,000+
    250 - 999 Employees
    Belfast United Kingdom

    Founded in 2009, Unosquare, LLC is headquartered in Lake Oswego, Ore. with other locations in Guadalajara, Mexico, and Belfast, U.K. With more than 600 employees, they provide software testing and development services, combined with their staff augmentation services to meet software engineering needs, using nearshore development professionals.

    Clients
    Vesta
    Harvard Business Publishing
    Foundation Medicine
    Edwards Lifesciences
    Industries
    Notable Project

    A caller ID company hired Unosquare, LLC to provide software engineering and QA resources. Assisting on various projects, Unosquare provided daily support in all aspects of application development.

    "I have been most impressed with the caliber of the technical resources provided by Unosquare." – Senior Director Software Engineering, Caller ID Company

  • 51
    $50,000+
    50 - 249 Employees
    London United Kingdom

    Velmie is a blockchain agency based in Yonkers, N.Y. with an office in Minsk, Belarus. Founded in 2015, the team of under 250 specializes in blockchain and AI. They work primarily with midmarket-level businesses, focusing on healthcare and medical, transportation, and manufacturing.

     

    Clients
    Hydrawise
    Watermark
    Vizibal
    Industries
    Notable Project

    Velmie worked on advanced software development for an exercise equipment manufacturer. They developed an embedded software for recording exercise routines and guiding users through them. They integrated remotely with the in-house team and provided support. The client appreciated their ability to deliver.

    “They’ve delivered everything we ask for. We care strictly about results and we have seen those from Goiot. The main thing is that stuff works, but the fact that we enjoy working with them is a bonus.” – Founder, Exercise Equipment Manufacturer 

  • 52
    $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
    Sirota
    Utility Warehouse
    MyOptique Group
    Notable Project

    Plug & Play redesigned Legal & General’s mortgage platform,  Smartr 365, and moved the MVC code into Angular. The goal was to create a more attractive interface for brokers and customers to use, preparing the platform to enter their market. 

    “Plug & Play was great at collaborating and working with our team; they really took ownership of their work. Their deliveries are consistently high-standard, and their products are always well-received by our customers.” – COO, Mortgage Broker Platform.

  • 53
    $5,000+
    10 - 49 Employees
    Coventry United Kingdom

    Imobisoft is a full-service mobile app & software development company based in Coventry, U.K., with an office in London. The company, founded in 2007, has a team of more than ten that provides custom software development, digital strategy, IoT development, web development, BI & big data consulting & SI, and SEO services. Imobisoft serves midmarket and other-sized companies in the medical, manufacturing, utilities, energy & natural resources, financial services, ane e-commerce industries. 

    Clients
    NHS (Multiple divisions)
    BSkyB
    E-Energy
    Northern Gas Networks
    Industries
    Notable Project

    A software startup hired Imobisoft to help develop their gifting mobile app. Imobisoft developed the frontend and backend of the app using three different coding languages. The app features promotion pages, maps, GPS payment methods, and user wallet. Imobisoft met all expectations with the completed project, and the app passed all tests. 

    "They’ll find a solution if you’re stuck. They’ll find a way to make something possible." - CEO, Software Startup

  • 54
    $10,000+
    10 - 49 Employees
    Northampton United Kingdom

    Founded in 2017, ZenBit is a e-commerce development company based in Odessa, Ukraine with a team of 29. Beyond e-commerce, they provide artificial intelligence to small businesses in the e-commerce, and education industries. 

    Clients
    Shoki
    Albert
    Swevo POS
    Industries
    Notable Project

    ZenBit provided development for a security product company. They developed the front and back end for a mobile app that allowed for a seamless user experience. The client was impressed with the level of skill and forward thinking from ZenBit.

    “They communicate well with our team, and they promote education within their team. If they're ever unfamiliar with a subject, they find courses to learn about it. I really appreciate the management of their teams and their customers.” –– Director of Operations, Security Product Company 

  • 55
    $25,000+
    10 - 49 Employees
    London United Kingdom

    Synetec is a software development consultancy headquartered in London. They were established in 2009, and have 26 employees. Synetec's range of services includes cloud, CRM, and business intelligence consulting, software integration, web development, custom software development, and more.

    Clients
    Argentex
    Genesis
    Jabre Capital Partners
    Industries
    Notable Project

    Synetec is engaged in a development partnership with a voice AI firm. The client's backend database requires integration of voice AI algorithms and CRM data, for which Synetec uses Microsoft Azure and SQL. The client emphasized that Synetec's work has not produced any negative feedback, and the partnership is considered integral to their business.

    "What is most impressive and impactful of them being a small business is their flexibility and availability." — CEO, Voice AI Firm

  • 56
    $25,000+
    10 - 49 Employees
    Leeds United Kingdom

    Audacia is a bespoke software development firm headquartered in Leeds, UK. Founded in 2007, and have about 30 employees, most of their clients are large-scale enterprises in the European market. They provide custom software development, web development, mobile apps, software integration, and staff augmentation.

    Clients
    O2
    TD Bank
    Enterprise Car Club
    Pfizer
    Industries
    Notable Project

    Audacia developed a sophisticated Magento-integrated database for a data center equipment broker. Audacia delivered a high-performing database integrated with both the Magento build and Sage 200 ERP, and the site has had no unplanned downtime since partnering with them.

    "They were clear and transparent, which is important for project management. Their updates were good and they were fantastic communicators." — IT Security Manager, Hardware Broker

  • 57
    $10,000+
    2 - 9 Employees
    Leeds United Kingdom

    Founded in 2010, NewRedo Ltd. is a software development company headquartered in Leeds, England. Their team of under 10 serves businesses of all sizes in industries such as healthcare, financial services, and government. Services include custom software development, IT managed services, and mobile app development. 

    Clients
    RaceBest
    Off Limits
    British Library
    Industries
    Notable Project

    NewRedo Ltd. developed a backend web API to a game development company. The company was impressed with the team's ability to deliver a high-quality product.

    "NewRedo is really communicative and really friendly." – Technical Director, Game Development Company

  • 58
    $25,000+
    50 - 249 Employees
    Cardiff United Kingdom

    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. 

    Clients
    OKdo.com
    RS Components
    ateb
    BMJ Best Practice
    Industries
    Notable Project

    Box UK was hired by an Employee Benefits Service to oversee and advise on the Service's new e-commerce platform. But their service was expanded to include the development of the platform, rewriting some parts in Symfony from the original CakePHP. The client was so satisfied with the work that Box UK is still onboard to supply new features on the platform as needed. 

    "Box UK has a very modern, agile approach and is good at looking at new methods of working." - Project Manager, Employee Benefits Service 

  • 59
    $10,000+
    10 - 49 Employees
    Southend-on-Sea United Kingdom

    Software agency Atlas - Clever Software is headquartered in Essex and another office in London. With 17 employees, the agency specializes in web, custom software, mobile app development, and more for mainly midmarket businesses.

    Clients
    design thing
    fsb
    NHS
    SmartDebit
    Industries
    Notable Project

    Atlas - Clever Software developed an app for a corporate accounting firm. The firm wanted an app that would increase company engagement. Atlas - Clever Software handled everything development-wise. 

    "The app was very well received by our team, by the rest of the company, by the board members, and now our customers. It’s a unique offering that none of our competitors are able to contend with." – Head of Internal Delivery, Corporate Accounting Firm

  • 60
    $10,000+
    2 - 9 Employees
    London United Kingdom

    The Beaverhead Ltd is a London-based development studio. Founded in 2014, their team of fewer than 10 specializes in custom software, mobile app, and web development services. They primarily serve small to midmarket businesses.

    Clients
    Big Lazy Panda
    MVLS Digital Pty Ltd
    CCB Events
    Squeeze Technology
    Industries
    Notable Project

    The Beaverhead Ltd provided web development services for an events-based social network company. The team produced an MVP, offering expertise from design to hosting. They successfully delivered, meeting the company’s expectations. 

    “The Beaverhead took care of the whole process of creating task and project management.” — Product Owner, Placepark

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Based on your budget, timeline, and specifications we can help you build a shortlist of companies that perfectly matches your project needs. Schedule a free consultation with a Manifest Analyst.

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Looking for a top software developer in the United Kingdom?

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. The best way is to continuously develop up-to-date software that allows your organization to maintain an impactful digital presence.

To assist you in your search for a partner, we’ve compiled this list of the top software development companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs. If you need more support, tell us about your project, and we'll match you with recommended companies.