Looking for a top legacy modernization service in the United Kingdom?

Application modernization companies can help create new business value from existing applications. Finding the right company to partner with, however, can be an overwhelming process.

To assist you in your search for a partner, we’ve compiled this list of the top application modernization services 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.

List of the Best United Kingdom Enterprise Application Modernization Services

  • 1
    $10,000+
    10 - 49 Employees
    East Grinstead United Kingdom

    Ballard Chalmers is a software development company based just south of London. Founded in 2005, their team provides custom software development, modernisation and integration, as well as support and IT Managed Services.

    Clients
    Electrolux
    Virgin Atlantic Airways
    Investec
    American Express
    Industries
    Notable Project

    Ballard Chalmers developed an online investor onboarding platform to help make key processes such as fund launches faster and more cost-effective. The Azure-hosted web application was built using ASP.NET MVC, C#, SQL Server, TSQL, AngularJS, Bootstrap and SSRS. In only the first year it reached 20,000 active profiles.

    "Our standard process is to use Ballard Chalmers as a sounding board for technical designs. Whether we’re asking them to do the work or not, they still come back and help us make sure we’re making the right technical choices." - Head of IT, Financial Services Company

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  • 2
    $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 created an e-commerce app with matching backend infrastructure, then integrated it into the client’s blockchain technology. Transforming the given creative demands into a satisfactory product under a strenuous deadline was deemed impressive, as were their communication skills and determination.

    “We've given them a challenge, and they've met it, which is why Intellectsoft has become our leading service provider for technology development.” – Program Manager, Holding Company

  • 3
    $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
    Investec Asset Management
    ateb
    Welsh Government
    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 

  • 4
    $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
    Zebedee Capital Partners LLP
    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

  • 5
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Somo is a digital development company of 125 employees, founded in 2009. Their headquarters is in London, England, with other locations in New York, San Francisco, Singapore, and Bristol, England. They offer numerous service lines, including mobile app development, enterprise app modernization, web development, and mobile marketing. They serve midmarket and enterprise businesses in various industries: media, automotive, business, financial services, advertising, and more. 

    Clients
    Audi
    De Beers
    Hive
    The Economist
    Industries
    Notable Project

    Somo created an overarching mobile strategy for a magazine publication group. They worked on several projects, including a new app. They delivered over 100,000 installs during the course of two and a half months. The client appreciated their creativity and small agency feel. 

    “A really great thing about Somo is that they are able to draw on a diverse set of previous client experience.” – Head of Digital Marketing, Magazine Publication Group

  • 6
    $25,000+
    250 - 999 Employees
    Coventry 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
    Edrington
    Suez UK
    ImmobilienScout24
    NHS
    Industries
    Notable Project

    Objectivity Ltd. provided staff augmentation services for a retail solutions company. The client needed Objectivity Ltd. to augment their development team. The team was working on headless commerce solutions, and the company provided teams to help the client with development, business analysis, and test functions. The company’s services have helped the client work more efficiently. 

    “We've seen a positive impact, and they increase our capabilities and capacity to deliver. They bring in a high level of technical expertise.” – Head of Software Development, Software Company 
     

  • 7
    $50,000+
    50 - 249 Employees
    Belfast United Kingdom

    Instil Software is a software engineering firm based in Belfast, Northern Ireland. Founded in 2005, Instil has about 30 employees that work across a variety of industries. They offer custom software development, mobile app development, cloud consulting and software integration, IoT, and web development.

    Industries
    Notable Project

    Instil conducted research, design, and testing of several applications, from mobile apps to server architecture for a large Canadian telecommunications firm. They delivered several user and provider-side portals for changing features for telecom customers and improving the consumer experience. The client praised both quick delivery time and high-quality code from Instil's team.

    "Their competitiveness and their intelligence make them stand out from the crowd. Instil’s sheer breadth of knowledge makes their software services very desirable." - Software Architect, Telecommunications Firm

  • 8
    $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
    Story Homes
    AESSEAL
    ADM Agriculture
    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

  • 9
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Appify is a mobile app development and consultancy agency located in Tullamore, Ireland. The team of about 5 employees serves enterprises and midmarket businesses in the financial services, business services, education, health care and medical, real estate, and retail industries. Their services include mobile app development, UX/UI design, AR/VR development, IoT development, and enterprise app modernization.

    Clients
    NHS
    Virgin
    Sony
    Inspired Thinking Group
    Industries
    Notable Project

    Appify developed native iOS and Android mobile apps for a marketing agency’s third-party clients. The team worked on the UX of those apps and provided UX design support for websites. They were a communicative partner whose efforts were consistently met with positive responses.

    “Appify communicates very efficiently in non-technical terms that everyone can easily understand.” – Digital Technology Consultant, Marketing Agency

  • 10
    Undisclosed
    10 - 49 Employees
    Harrogate United Kingdom

    Eden Agency is a digital agency based in Knaresborough, UK. It was founded in 2007 and now employs a team of 21 that provides web design, digital strategy, web development, mobile app development, UX/UI design, social media marketing, and AR/VR development services.

    Clients
    Link Group
    McCain
    Switch 2
    Minster Law
    Industries
    Notable Project

    Eden Agency provided UX and development support for a financial investment and management tool. They built an application process for investors coming to the London Stock Exchange and self-service capabilities for corporate users of the tool. The client's overall response to Eden Agency's work was positive, and the feedback resulted in future work.

    "They are excellent project managers; we have no issues at all. I've dealt with IT people before, and this team is the most personable. They understand business and commerciality, and they deliver on their promises." — Director, Share Registry and Financial Services Provider

  • 11
    $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
    Fenergo
    REGENHU
    VecCtor
    HTP J-1 Visa Programs
    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.

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

    Inviqa is a global IT services firm headquartered in London, U.K., that was established in 2012. Their team of 134 employees provides web development, custom software development, staff augmentation, enterprise software integration, strategic consulting services.

    Clients
    PZ Cussons
    Virgin
    World Food Programme
    Missguided
    Industries
    Notable Project

    Inviqa provided full-cycle web development for a holding company. They created over 50 flagship sites for different products using Magento, WordPress, and Drupal. The websites were responsive, e-commerce ready, and consistent with the products' respective brands.

    "We've gone from having a skeletal technical architecture that supported one or two brands to delivering 10 to 12 brands, and more than 60 websites over the course of these three years. It's a big feat that they've managed to deliver." – Head of Digital Solutions, Global Holding Company

  • 13
    Undisclosed
    1,000 - 9,999 Employees
    London United Kingdom

    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.

    Clients
    AstraZeneca
    Expedia
    Santander
    Barclays
    Industries
    Notable Project

    Kin + Carta built a native mobile app for a health care nonprofit in advance of open enrollment, upgrading their old platform. They built the app for iOS and Android with a focus on human-centered design,

    "They helped us go beyond the average of health care to meet the expectation of digital." - CIO, Nonprofit Health Insurance Provider

  • 14
    $50,000+
    2 - 9 Employees
    London United Kingdom

    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.

    Clients
    Accor Group
    HP
    Carlsberg
    De Beers
    Industries
    Notable Project

    Seb Azzo was approached by a branding agency for assistance with the creation of online guides for global access. The product allows for seamless downloading of the guidelines from anywhere in the world, with an interface that's easy to use.

    "Because of the flexibility of their services and willingness to undertake a brand new product build, our partnership has been very exciting. We’ve worked with other development agencies in the past that stopped communicating with us after completing the work, but their team has stayed in touch." - Senior Account Manager, Branding Agency

  • 15
    $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.

    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

  • 16
    $25,000+
    50 - 249 Employees
    London United Kingdom

    TMotions Global Ltd is a custom software development firm established in 2004. The midsize team specializes in custom software development, enterprise app modernization, application management & support, and cloud consulting & SI. The firm is located in London , United Kingdom and Sahibzada Ajit Singh Nagar, India.

    Industries
    Notable Project

    TMotions Global Ltd provides custom software development for a digital media company. They are responsible for updating the client's legacy systems and applications.

    "The team meets most of the deadlines."

  • 17
    $10,000+
    50 - 249 Employees
    London United Kingdom

    Founded in 2007, MassMedia Group is a software development firm that offers custom software development, web development, CRM consultation, and SI to their small business, mid-market, and enterprise clients in the legal, financial, and business services industries. Their 250 employees are based out of Khmel'nyts'kyi, Ukraine.

    Clients
    sket.io
    Greek Capital Management
    Pentroy
    Industries
    Notable Project

    MassMedia Group recently worked on medical records software for a hospital group. THey streamlined hospital documents and medical charts through a web app they developed for that client.

    “The app was developed within the arranged period of time. They had good communication, reasonably proactive.” — CEO, Hospital Group

     

  • 18
    $10,000+
    10 - 49 Employees
    Stafford United Kingdom

    Langley Foxall Ltd. is a business software company based in Stafford, United Kingdom. Founded in 2013, this company has 14 employees. Services provided by Langley Foxall Ltd. include custom software development, app modernization, and mobile app development for small businesses.

    Clients
    Easy Living Mobility
    Penny Hydraulics
    fermacell
    Industries
    Notable Project

    Langley Foxhall Ltd. developed an online tool for a hydraulics company. The tool was designed to help customers find the right products and solutions for their needs. The client reported an increase in leads for the sales team and more sales that may not otherwise have been attained.

    "We found working with Langley Foxall to be very easy. They agreed a 'Statement of Works' document with us delivered what was promised." Marketing Manager, Hydraulics Company

  • 19
    $5,000+
    2 - 9 Employees
    Shrewsbury United Kingdom

    Wolf Logic Ltd. is a software firm founded in Shrewsbury, England with more than one expert. Since their founding in 2018, they have provided custom software development, web development, and enterprise app modernization solutions for small and mid-market firms.

    Clients
    Nidec Corporation
    Health Navigator
    Sheppee
    Carterwood
    Industries
    Notable Project

    Wolf Logic Ltd. developed an app for an electrical company. The app was to serve as an internal snagging list solution that could run on both laptops and mobile devices. Wolf Logic Ltd. understood the needs of the company as they worked on the project.

    “They are a team who seem to want to please and get things over the line.” - Owner, Electrical Company

  • 20
    $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
    Kuoni
    Move Mee
    Haulfryn
    PayPoint
    Industries
    Notable Project

    An online learning platform company hired Core Blue Ltd. to build their platform. As part of the engagement, Core Blue Ltd. did market research to identify the gap in the market and then designed the platform based on their findings. They developed the platform using a React framework, focusing on making the UX/UI friendly to the children who will be using the platform. The platform was completed and has been attracting a significant amount of traffic.

    "I was very impressed with the quality of their work. They clarified our ideas and made sure they knew exactly what we wanted." - Founder & Director, Online Learning Platform Company

  • 21
    $10,000+
    2 - 9 Employees
    Darrington United Kingdom

    Tucanoo Solutions Ltd is a small custom software development company. They offer custom software development, enterprise app modernization, other application development, and web development and were launched in 2011.

    Industries
    Notable Project

    Tucanoo Solutions Ltd has developed a secure web platform for a money transfer company. They’ve created FAQ and email content, designed UI/UX, built the backend infrastructure, and provided hosting.

    "The quality of Tucanoo’s work is most impressive. That’s very important to us, especially in the financial aspect."

  • 22
    $5,000+
    2 - 9 Employees
    Northampton United Kingdom

    Full Metal Software is a bespoke software development agency located in Northampton, England. Founded in 2004, they have three employees specializing in full stack web development and innovative business solutions for small and midmarket companies, typically in business services, finance, and healthcare. Services include project management, code updating, CMS support, software development, and outsourcing.

    Clients
    Zanzibar Amber Resort
    YourGene Health
    Pastdrives Ltd
    Industries
    Notable Project

    Full Metal Software developed a baseBot molecular diagnostics platform for a biotechnology company to replace a legacy system built on Excel spreadsheets. They managed the project seamlessly, implementing internal ideas while sharing their own insights. Full Metal Software’s platform eliminated the need for multiple spreadsheets, delivering significant time-saving results to the client.

    “Project management has been very good. Although it’s like speaking two different languages between our computer and scientific backgrounds, they’ve worked really hard to implement our ideas. They’ve also pushed their own ideas that they know will benefit us.” – Research & Development Scientist, Biotechnology Company

  • 23
    $1,000+
    2 - 9 Employees
    London United Kingdom
    Digiscript Technical Solutions is an enterprise app modernization company launched in 2019. The small team provides enterprise app modernization, ux/ui design, digital strategy, mobile app development, and more. The agency is located in Swansea , Nigeria and London, United Kingdom.
    Industries
    Notable Project

    Digiscript Technologies was hired to develop a landing page for a real estate company. The client wanted to get more traffic on their website. 

    "They're very impressive in trying to meet all our demands."

  • 24
    $50,000+
    10 - 49 Employees
    London United Kingdom

    Founded in 2018, TEC DIGITAL LTD is a software development company based in London that primarily works with midmarket clients. They also provide blockchain, enterprise app modernization, and managed IT services. 

    Clients
    OCTO Trading Solutions AG
    Industries
    Notable Project

    TEC DIGITAL LTD developed an e-commerce web solution for a commodities trader. They delivered their work on time and exhibited a high-level of experience. 

    "The pricing is fair, and the team is reliable." – CSO, Commodities Trader

  • 25
    Undisclosed
    1,000 - 9,999 Employees
    London United Kingdom
    Compunnel Digital is an app development company. The midsize Plainsboro Center, New Jersey-based company was launched in 1994. Their services include mobile app development, custom software development, ux/ui design, CRM consulting and SI, and more.
    Industries
  • 26
    $5,000+
    10 - 49 Employees
    London United Kingdom
    Based in Seattle, Washington; San Fernando, Spain and London, United Kingdom, 47 Degrees is an enterprise app modernization company. The small team specializes in enterprise app modernization, BI & big data consulting & SI, cloud consulting & SI, and web development and was launched in 2010.
    Industries
  • 27
    $100,000+
    10 - 49 Employees
    Horsham United Kingdom

    Automation Squared Ltd is an app development company based in Horsham, England, with offices in Croydon, England; Brighton, England; and Pittsburgh. The 13-person team got started in 2007 and offers mobile app development, AI development, and enterprise app modernization.

    Clients
    GritWell
    Eva Emteq
    Stage Scripts Ltd
    Industries
    Notable Project

    Automation Squared Ltd built a cloud storage system for a theatrical publisher. The solution — developed in PHP and Laravel — replaced a Microsoft Access database with 50,000-100,000 records and improved processes. The new database saved the client and their customers time. 

    "Their ability to develop my product without a user requirement saved us time." – Managing Director, Theatrical Publisher

  • 28
    Undisclosed
    250 - 999 Employees
    Brentford United Kingdom
    Business Pro Designs is a mobile application development company. The midsize team is located in Brentford, United Kingdom. Their services include mobile app development, web design, enterprise app modernization, and web development.
    Industries
  • 29
    $10,000+
    10 - 49 Employees
    London United Kingdom

    Equinox IS is a software development firm based in London. The firm, founded in 2014, has a team of more than ten that provides custom software development, IT strategy consulting, BI & big data consulting & SI, cloud consulting & SI, AI, and enterprise app modernization services. Equinox IS serves small and midmarket companies in the financial services, business services, telecommunications, and IT. 

    Clients
    Three Austria
    Hay Bank
    Innovatiqua
    Orgware
    Industries
    Notable Project

    A conservation organization hired Equinox IS to migrate their database to Java and improve the UI to be more useful and friendly. As part of the engagement, Equinox IS restructured the organization's Heroku account to be applicable for the organization's needs, converted their entire database app/UI to Java, rebuilt the app on Heroku, modified data entry and various meta-data parameters to make them functional, did a database bump from the old database and merged all existing data into the new app, created several excel export report functions to help the internal teams to easily view and share data visualizations, and advised the internal teams on their next steps. Equinox IS completed the project and met all expectations.

    "We now have a functioning database for our 14 years of ecological monitoring surveys that is usable to our teams on the ground." - CEO, Conservation Organization

  • 30
    $25,000+
    50 - 249 Employees
    London United Kingdom

    Devtech Group is a software development firm. They focus on custom software development, enterprise app modernization, ux/ui design, application management & support, and more and were established in 2012. Their midsize team is located in Novi Sad, Serbia; Beograd, Serbia; Amsterdam, Netherlands and London, United Kingdom.

    Industries
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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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