Top 100 Application Modernization Companies in London
The Best of December 2024
Looking for a top legacy modernization service in London?
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 London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
>List of the Best London Enterprise Application Modernization Services
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1
- $50,000+
- 1,000 - 9,999 employees
- Basingstoke, England
Software Mind is a global IT services company headquartered in Krakow, Poland, with offices in Warsaw, Rzeszow, and Bielsko-Biala in Poland as well. Founded in 1999, their team of 116 works with clients from startups to enterprises to offer assistance in custom software development, enterprise app modernization, and BI & big data consulting & SI. They mainly work in the medical and financial services industries.
Clients
- Backbase
- Baillie Gifford
- Branch
- Callcredit
Industries
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2
- $100,000+
- 1,000 - 9,999 employees
- London, England
NashTech is a large cloud consulting & SI company. The London, England-based agency was founded in 2000. Their services include cloud consulting & SI, Custom Software Development, Enterprise App Modernization, IT strategy consulting, and more.Read MoreIndustries
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3
- $100,000+
- 1,000 - 9,999 employees
- London, England
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
Industries
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4
- $25,000+
- 250 - 999 employees
- London, England
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
Industries
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5
- $250,000+
- 1,000 - 9,999 employees
- London, England
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
Industries
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6
- $50,000+
- 250 - 999 employees
- London, England
Parkside Interactive is a software company founded in 2007 with more than 50 members. They provide custom software development, enterprise app modernization, and UX/UI design services from their office in Graz, Austria. They work primarily with small businesses.
Clients
Industries
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7
- $25,000+
- 50 - 249 employees
- London, England
Applifting is a software studio based in Prague. Since 2014, their team of 70+ has been specializing in custom software development, digital strategy, and UX/UI design.
Clients
- Adidas
Industries
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8
- Undisclosed
- 1,000 - 9,999 employees
- London, England
Intive is a software development firm headquartered in Munich, Germany, with regional offices in the USA, UK, and France. Established in 1999, Intive is one of the most well-established global firms in IT solutions and product development; they have 782 employees. Intive offers development for web, mobile, and custom platforms, and more for enterprise and midmarket-sized clients.
Clients
- Audi
Industries
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9
- $5,000+
- 1,000 - 9,999 employees
- St Albans, England
E-commerce development company FCamara was launched in 2006. The large São Paulo, Brazil-based team offers e-commerce development, IT staff augmentation, custom software development, mobile app development, and more.
Clients
- Farfetch
- IPSOS
- Elfa Group
- BTG Pactual
Industries
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10
- $100,000+
- 50 - 249 employees
- London, England
Elsewhen, a midsize software development firm, is located in London, United Kingdom. Their services include custom software development, enterprise app modernization, IT strategy consulting, business consulting, and more.
Industries
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11
- $10,000+
- 50 - 249 employees
- London, England
Limeup is a Product Design Studio headquartered in London, United Kingdom. It was founded in 2019 and has since grown to over 20 employees and helped over 50 companies create stellar designs for their products. They primarily serve clients from Fintech and Gambling industries.
Clients
- Connect44
Industries
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12
- $25,000+
- 10 - 49 employees
- London, England
Journi is a small software development firm. Headquartered in London, United Kingdom and Madrid, Spain, the agency was launched in 2023. Their services include custom software development, IT staff augmentation, web development, and enterprise app modernization.Read MoreIndustries
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13
- $10,000+
- 250 - 999 employees
- London, England
*instinctools is a custom software development company. They are headquartered in Stuttgart, Germany; Warszawa, Poland; Mississauga, Canada and Wilmington, Delaware and have a midsize team. Their services include Custom Software Development, Web Development, IT strategy consulting, Mobile App Development, and more. The firm was launched in 2000.Read MoreClients
- Daimler
- Fujitsu
- Nostrum
- SpexAI
Industries
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14
- $10,000+
- 50 - 249 employees
- London, England
Haefele Software is an outsourced Microsoft software development company based in Cape Town, South Africa, with offices in Melbourne, Australia; Tampa, Florida; and London. The company, founded in 2006, has more than 50 employees and provides custom software development, IT strategy consulting, and IoT development services to enterprise and smaller-sized companies in various industries.
Clients
- Tesco
- Burger King
- AS Watson Group
- Pikmykid
Industries
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15
- $25,000+
- 250 - 999 employees
- London, England
Helpware Tech is an IT strategy consulting company established in 2015. Their midsize team is located in San Francisco, California; Warszawa, Poland; London, England and Zug, Switzerland. Their services include IT strategy consulting, IT staff augmentation, Custom Software Development, Web Development, and more.Read MoreClients
- Microsoft
- PWC
- CompIQ
Industries
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16
- $10,000+
- 250 - 999 employees
- London, England
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
Industries
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17
- $25,000+
- 50 - 249 employees
- London, England
Innovify is a custom software development firm. They focus on Custom Software Development, Artificial Intelligence, E-Commerce Development, Enterprise App Modernization, and more and were launched in 2011. Their midsize team is based in London, England; San Francisco, California; Austin, Texas and New York, New York.Read MoreClients
- ARM INC
Industries
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18
- $10,000+
- 10 - 49 employees
- London, England
Appify is a small Tullamore, Ireland-based app development firm. They focus on Mobile App Development, UX/UI Design, IoT development, and Enterprise App Modernization and were established in 2019.Read MoreClients
- NHS
Industries
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19
- $50,000+
- 50 - 249 employees
- London, England
Intellectsoft is a New York, New York-based software development firm. The agency offers Custom Software Development, Mobile App Development, IT staff augmentation, Web Development, and more and is midsize.The agency was established in 2007.Read MoreClients
- Mitsubishi
Industries
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20
- $10,000+
- 50 - 249 employees
- London, England
Founded in 2013, Valor Software is a web design agency. The company focuses on Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more and has a midsize team.Read MoreClients
- Gapminder
Industries
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21
- $10,000+
- 10 - 49 employees
- London, England
Softexpoit Pvt. Limited, a mobile application development company, was founded in 2021. The small London, United Kingdom-based team specializes in mobile app development, custom software development, other application development, application management & support, and more.
Clients
- Framers Group Sarl Switzerland
Industries
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22
- $5,000+
- 250 - 999 employees
- London, England
A Salesforce Partner Innovation Award winner 2020. A full-service Salesforce Platinum consulting, development & outsourcing partner delivering across the entire Salesforce platform. 500+ people, 16 offices in 12 countries, we think globally and delivery locally.
We have been 100% focused on helping transform businesses within the Salesforce ecosystem over the last 10 years. Clients love our flexible, nimble, and cost-effective approach. It's why we receive an average customer satisfaction rating of 4.8 out of 5.
As PDO Experts, Salesforce.org Impact Partners, and Tableau Partners, we are one of a few Salesforce partners to have the technical scale, expertise, and experience to design & deliver core Salesforce implementations & AppExchange apps.
You benefit from our industry knowledge and experience by implementing a best practice solution within your business. Quickly & efficiently. Our specialist certified consultants & developers have delivered over 1000 projects to more than 350 clients.
We work hand-in-hand with stakeholders to create achievable roadmaps, deliver benefits quickly & maximize Salesforce investments. We have the technical expertise & experience to deliver solutions across all Salesforce clouds, for all sizes of companies, in many industries.
With 500+ Salesforce professionals located in our regional offices and central delivery hubs, we utilize best practice Salesforce technology and dev ops, enabling our customers to realize the benefits quickly.
We have the scale to provide dedicated teams of developers and consultants to our GSI and ISV partners. Since 2013, Salesforce Services has used VRP’s development expertise on over 20 of their most strategic, enterprise accounts. As one of the few PDO experts, we have helped ISVs with ideation, design, development, and support with AppExchange apps.
Our dedicated Managed Service team provides support, admin & small enhancements to clients via flexible, responsive & cost-effective monthly packages of hours.
Key clients: Rolls Royce, Welk Resorts, BVT Sweden, Felm, Beyond Better Foods, Digital Genius
Clients
- Rolls Royce
Industries
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23
- $25,000+
- 50 - 249 employees
- London, England
Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.
Industries
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24
- $50,000+
- 2 - 9 employees
- London, England
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
Industries
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25
- $5,000+
- 250 - 999 employees
- London, England
Polestar Solutions & Services is an IT services company with locations in Mumbai and Noida, India. Since 2012, their team of 150+ specializes in BI & big data consulting & SI, IT managed services, IT strategy consulting, and staff augmentation for mostly midmarket clients.
Clients
- Havells
Industries
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26
- $10,000+
- 50 - 249 employees
- London, England
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
Industries
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27
- $75,000+
- 10 - 49 employees
- Otford, England
Ecce. Is a small web design agency in Otford, United Kingdom. They provide web design, branding, e-commerce development, mobile app development, and more and were established in 1999.
Industries
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28
- $10,000+
- 10 - 49 employees
- Southend-on-Sea, England
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
- Barclays
Industries
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29
- $5,000+
- 50 - 249 employees
- Harrow, England
IT Path Solutions is a services and solutions company with offices in Ahmedabad, India; Moorseville, N.C.; and Harrow, U.K. It was founded in 2012 and has more than 80 employees. They provide mobile app development, web development, and cloud consulting and SI services. Their clients primarily consist of midmarket and small business clients in the IT, consumer products & services, education, and health care & medicine industries.
Clients
- Digital Civic- E Citizen
Industries
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30
- $10,000+
- 50 - 249 employees
- London, England
Blueberry Consultants is a software development company based in Birmingham, U.K., with additional locations in London and Cheltenham, U.K. It was founded in 1997 and has 55 employees. They offer custom software development, mobile app development, web development, and e-commerce development to small business and midmarket clients in the IT, business services, e-commerce, and manufacturing industries.
Clients
- NHS
Industries
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