Top 100 IT Services Companies in London

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Top 100 IT Services Companies in London

July 2022

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For your company to grow, it is essential to choose the best technology. Hiring an innovative IT services provider is the easiest way to ensure that you are making the best use of technology, increasing sales, and staying one step ahead of the competition. 

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List of the Best London IT Companies

  • 1
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.5
    • NPS

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

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

    Clients

    • The Carlyle Group
    • Nasdaq
    • Apax Partners
    • Monex

    Industries

    Notable Project

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

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

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  • 2
    • $25,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    Headquartered in New York, iTechArt is a custom software development company with additional offices in Marietta, Ga. and Iselin, N.J. Since 2002, iTechArt has helped startups and fast-growing tech companies fill in their talent gap and create robust web and mobile solutions that users love. To date, iTechArt’s talent pool includes 3500+ engineers with experience in all of the latest technologies.

    Clients

    • ClassPass
    • ZEFR
    • Gain Capital (forex.com)
    • Merkle

    Industries

    Notable Project

    iTechArt Group helped create a payment processing software for a fintech company. They provided Go & PHP developers and worked on new micro-services for the payment architecture. 

    "I was satisfied with the quality of the work carried out by iTechArt Group's engineers."

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  • 3
    • Scheduling

      4.3
    • Quality

      4.6
    • Cost

      4.3
    • NPS

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

    CI&T (formerly CINQ Technologies) is software development company based in Curitiba, Brazil with additional offices in Brazil and Miami. Founded in 1992, the team of 271 specializes in custom software development, IT staff augmentation, and UX/UI design. They work primarily with enterprise clients in the transportation and financial services industries.

    Clients

    • SITA
    • Lenovo
    • iHeart Media
    • Panasonic

    Industries

    Notable Project

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

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

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  • 4
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom

    Transputec, a midsize cybersecurity company, is located in Wembley, United Kingdom. They focus on cybersecurity, IT managed services, and custom software development and were launched in 1984.

    Industries

    Notable Project

    Transputec Ltd provides ongoing data and system security for their hospitality industry client. They leverage a security-as-a-service platform to prevent data loss, malware, and phishing attacks, and more. 

    "I don’t’ feel like I’m paying for technical aspects of the work that are unnecessary." 

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  • 5
    • $25,000+
    • 250 - 999 employees
    • London, United Kingdom

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

    Clients

    • Morrisons
    • Primark
    • Edrington
    • Knight Frank

    Industries

    Notable Project

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

    “They quite often go the extra mile.”

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  • 6
    • $10,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

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

    Clients

    • Samsung
    • Johnson & Johnson
    • GlobePayroll
    • Siemens

    Industries

    Notable Project

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

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

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  • 7
    • Scheduling

      4.5
    • Quality

      4.8
    • Cost

      4.2
    • NPS

      4.9
    Read Full Reviews on Clutch Visit Site
    • 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 worked with a cloud technology company on a data analytics pipeline optimization project. They built an improved pipeline program for a financial services client. 

    "Kin + Carta worked really hard to come up with the right solution and create the most value for the customer."

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  • 8
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.8
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Kalinax is a big data agency based in Lisbon, Portugal with more than two experts. Founded in 2016, they specialize in big data and business consulting services for clients ranging from startups to enterprises in the industries of telecommunications, transportation, and more.

    Clients

    • Right People Group
    • Oxford University Press
    • Crown Worldwide Group

    Industries

    Notable Project

    Kalinax provides market research services for a wellness and fitness agency. The team is responsible for developing strategies, targeting the client's high-ROI market.

    "Their commitment to learning about our business and doing all the necessary research at the start was impressive."

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  • 9
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.

    Clients

    • Mind
    • Terrence Higgins Trust
    • NCVO
    • ACEVO

    Industries

    Notable Project

    Smartdesc provided various IT services and cloud migration for a non-profit organization. The organization needed to transition their work online to the cloud. The project enabled the organization to work 100% remotely.

    “Anytime we came across a slight barrier, it was never an issue to Smartdesc — they always managed to find a solution or a workaround.”  - Head of Finance and Operations, Non-Profit Organization
     

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

    impakt Advisors is a big data company based in New York. Founded in 2016, this company has 10 employees. Services provided by impakt Advisors include IT strategy consulting, big data consulting, and cloud consulting for businesses of all sizes.

    Clients

    • TD Ameritrade
    • Bridgestone Firestone
    • Dell EMC
    • Public Goods and Indigo AG.

    Industries

    Notable Project

    Impakt Advisors designed and developed a business intelligence data visualization platform using Amazon QuickSight. They created a dashboard that makes it easy for stakeholders to visualize company data.

    “They can communicate an idea at a really high level. They’re good listeners and are very thorough and organized.”

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  • 11
    • $25,000+
    • 10 - 49 employees
    • Kingston upon Thames, United Kingdom

    Silicon Reef are a SharePoint development & Microsoft 365 solutions agency. Founded in 2016, they are located in the United Kingdom with offices in London, Chester, and Bournemouth. They offer a range of services from consultancy, campaign-based web or app development, and front-end creative. They also offer full-blown migration, strategic road-mapping, and full-service development partnerships and partner with medium-sized to enterprise clients. 

    Clients

    • Unilever
    • Asahi
    • Anglo American
    • SEGA

    Notable Project

    Silicon Reef created two SharePoint solutions for a resources and agriculture NGO spread between the United Kingdom and Africa. They made it so all teams can access tools and final documentation.

    “Their best selling point is their willingness and desire to understand our operating model.”

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  • 12
    • $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 is developing a youth marketing agency’s app. They’ve taken over from the in-house team that started the project. The app generates reports and is available on Android, iOS, and the web.

    "Intellectsoft’s communication is very efficient and clear."

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  • 13
    • 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

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

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

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

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

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  • 15
    • Scheduling

      4.3
    • Quality

      4.8
    • Cost

      4.2
    • NPS

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

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

    Clients

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

    Industries

    Notable Project

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

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

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  • 16
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Cloudserve is a cloud solutions provider based in Bournemouth, England with an office in London. Founded in 2009, their team of fewer than 50 professionals offers IT managed services, IT strategy consulting, and cloud consulting & SI services for small and medium-sized businesses. They have experience working in various industries, including hospitality, financial services, and IT.

    Clients

    • FJB Hotels
    • BSN Social Care
    • Futur First
    • Braben

    Industries

    Notable Project

    Cloudserve Ltd migrated local servers to a central cloud environment. They integrated Office 365, SharePoint, file-sharing, and implementing abilities into the IT system. They provide ongoing support services.

    "Cloudserve Ltd has delivered exceptional ongoing support."

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  • 17
    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom

    Abacus Cambridge Partners is a tech consultancy and BPO company that was founded in 2017. The core London-based team of about 50 coordinates voice, ERP consulting and system integration, IT strategy consulting services for midmarket and enterprise-sized clients in the e-commerce space.

    Clients

    • Hafilat Industry LLC
    • Safaricom
    • Telenor

    Industries

    Notable Project

    A fintech company outsourced their call center needs to Abacus Cambridge Partners, looking to support their customers' claims. Abacus Cambridge Partners was responsible for negotiating the customers' bills for a lower rate. The call agents underwent intensive training, were quick-thinking, and adapted well to internal processes.

    "Most of them are educated, forward-thinking people, which is exactly what we’re going for. As a startup, we’re trying to develop our systems as quickly as possible, so we’re constantly throwing new things at them." – Senior Operations Manager, Fintech Company

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  • 18
    • Scheduling

      4.5
    • Quality

      4.7
    • Cost

      4.7
    • NPS

      4.7
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Compete366 is a cloud agency founded in London in 1998. With over 10 employees, they specialize in cloud consulting, IT strategy consulting, and cybersecurity solutions for small businesses.

    Clients

    • AWOL Adventure
    • ContractUs
    • Godstowe School
    • Wesser

    Notable Project

    Compete366 provided Microsoft Azure cloud support for an engineering consultancy company. The team was hired to help develop custom tools and an HPC platform around Azure.

    "The level of attention provided for their support was amazing."

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  • 19
    • Scheduling

      4.7
    • Quality

      5.0
    • Cost

      5.0
    • NPS

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

    Exometrics is an AI development company. They are in London, United Kingdom and have a small team. The agency provides Artificial Intelligence, BI & big data consulting & SI, and business consulting.

    Industries

    Notable Project

    Exometrics created a machine learning (ML) algorithm for a digital asset mining company’s anti-money laundering tool. Their work involved creating a proof of concept (POC) for the firm to use in their service.

    “Their ML skills were top-notch.”

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  • 20
    • $50,000+
    • 10 - 49 employees
    • London, United Kingdom

    Coeus Consulting is a small IT strategy consulting company. Established in 2013, the agency is headquartered in London, United Kingdom and Düsseldorf, Germany. Their services include IT strategy consulting, cloud consulting & SI, BI & big data consulting & SI, CRM consulting and SI, and more.

    Industries

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  • 21
    • Scheduling

      5.0
    • Quality

      5.0
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    Texaport Ltd is a tech support company based in Edinburgh, England, with a team of fewer than 10 members. Founded in 2012, the company provides cybersecurity, IT managed services, and IT strategy consulting services to mid-market firms as well as small and large companies. They have worked in various industries, such as IT, business services, and telecommunications.

    Industries

    Notable Project

    A media agency subcontracted Texaport Ltd to help with support for their IT system. Whether remotely or in the office, Texaport Ltd provides support for the company to make sure any problems with the Internet or server get fixed quickly. Texaport Ltd also worked on the server's backend for safe and secure data.

    "They always deal with issues in a timely manner. We never have to wait overly long for problems to be resolved. They work hard to ensure that we’re able to work with few IT issues. Texaport Ltd often flags and resolves issues before we even notice there’s a problem." - Account Manager, Media Agency

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  • 22
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    Founded in 2014, Deeper Insights is a London based machine learning and data science consultancy. With another office in Portugal, their team of 10 specialize in artificial intelligence, big data consulting, custom software development, and business consulting. Their mid market and enterprise clients are primarily in the advertising, consumer products, financial services, and health care industries. 

    Clients

    • Smith and Nephew
    • Deloitte
    • Breast Cancer Now
    • IAC

    Industries

    Notable Project

    An event services company hired Deeper Insights to conduct market research on possible applications of AI in their industry and evaluate possible solutions.

    "They have a good combination of business and AI knowledge."

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  • 23
    • Scheduling

      4.5
    • Quality

      4.9
    • Cost

      4.5
    • NPS

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

    An energy supplier hired Imobisoft to provide web and app development. Their efforts also include UI/UX design for a platform that allows salespeople to streamline their processes.

    "Imobisoft developed a web and mobile app using .NET  technologies. The application allows us to bring on thousands of new customers . Without the software they created for us, we wouldn’t be generating sales. We're very satisfied with the design and the application, and it couldn’t be better".

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  • 24
    • Scheduling

      4.7
    • Quality

      4.8
    • Cost

      4.6
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Tech Active is a London, United Kingdom-based cloud consulting & SI company. Established in 2006, the midsize team provides cloud consulting & SI, ux/ui design, CRM consulting and SI, e-commerce development, and more.

    Industries

    Notable Project

    A plastics manufacturer tapped Tech Active to develop a custom Salesforce software that can automate the creation of sales orders. The team also built a customer-facing app that ties in with the sales system.

    "They waited patiently when I had to take a month off due to health issues. I felt like they really supported me."

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  • 25
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      5.0
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Devopsity, a cloud consulting & SI company, is based in Gdynia, Poland. Launched in 2021, the small team focuses on cloud consulting & SI, IT strategy consulting, IT managed services, other IT consulting and SI, and more.

    Industries

    Notable Project

    Devopsity is tasked with developing a scalable global website strategy for a marketing company. The goal is to provide individual websites for over 100 countries in local languages.

    "They have a very professional service, and they provide confidence that any hosting issues will be dealt with."

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  • 26
    • Scheduling

      4.9
    • Quality

      4.9
    • Cost

      4.9
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • $1,000+
    • 50 - 249 employees
    • London, United Kingdom

    Pro4ia is an IT managed services company launched in 2001. Headquartered in New York, New York and London, United Kingdom, their midsize team provides IT managed services, cloud consulting & SI, IT staff augmentation, IT strategy consulting, and more.

    Industries

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  • 27
    • 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
    • University of London South Bank

    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

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  • 28
    • $10,000+
    • 10 - 49 employees
    • London, United Kingdom

    7L International, a small software development company, is based in New York, New York. Launched in 2016, the team focuses on custom software development, mobile app development, e-commerce development, and IoT development.

    Clients

    • TikTok
    • PowerPlay Studio
    • Company
    • Quake Media

    Industries

    Notable Project

    7L International was hired by a creative agency to revamp and relaunch a website. The client needed a new site that accurately reflected the company's values and provided a better user experience.

    "They provided an extremely impressive, bold, and responsive website that was absolutely true to our vision."

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  • 29
    • $10,000+
    • 50 - 249 employees
    • London, United Kingdom

    Beyond Analysis is a marketing and advertising firm that has offices in Wimbledon, United Kingdom and Sydney, Australia. Founded in 2007, Beyond Analysis's team of just over 20 employees has over a decade of experience specializing in big data consulting/SI. The firm also offers artificial intelligence and marketing research services to its clients.   

    Clients

    • DFS
    • Travelport
    • Mcdonalds
    • Fleetcor

    Industries

    Notable Project

    Beyond Analysis helps develop a Net Promoter Score (NPS) dashboard analytics module for a real estate company. The team creates tools that help improve the visualization of different analytics for the client.

    "They've been incredibly patient, and they've been able to deal with the complexity of the project."

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  • 30
    • Scheduling

      4.8
    • Quality

      4.8
    • Cost

      4.5
    • NPS

      5.0
    Read Full Reviews on Clutch Visit Site
    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom

    HewardMills is a Data Protection Office (DPO) services company based in London with offices in Dublin, San Francisco, Berlin, and Zurich. The company has a team of more than 30 that provides business consulting, cybersecurity, and corporate training services to various companies.

    Clients

    • Monzo
    • Symantec
    • iManage
    • HCL

    Notable Project

    A marketing technology company hired HewardMills to help them comply with European data privacy law by providing Data Protection Office (DPO) services. HewardMills also provided consultancy regarding data privacy policies and European data privacy law and helped put solutions that would help the company comply. The engagement has enabled the company to move forward after having fulfilled their legal requirements.

    "HewardMills is very responsive; if I hand them something on Monday, I almost always get a response about it in our Wednesday meeting." - Global Data Privacy Manager, Marketing Technology Company 

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