The Best Cloud Computing Firms in London

Looking for a top cloud consulting company in London?

The cloud is now vital to businesses, due to the speed and innovation that allows change to happen.

To assist you in your search for a partner, we’ve compiled this list of the top cloud consulting services in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.

List of the Best London Cloud Computing Firms

  • 1

    Bluewolf

    Bluewolf is a global Salesforce consulting agency based in New York, with offices in San Francisco, Boston, Atlanta, and London. Founded in 2000, their team of about 1,200 employees provides services for enterprise and mid-market businesses. They specialize in CRM consulting, IT managed services, system information, and cloud consulting.

    Notable Project

    Bluewolf designed marketing automation tools for a solar panel manufacturer based on the Eloqua platform, in collaboration with the client's Salesforce CRM system. They act as the bridge between the two systems to provide custom solutions.

    "I can tell you that we’ve definitely reduced costs. They’ve performed very well overall." Global Online Marketing Manager, Solar Panel Manufacturer

    Former clients
    Stanley Black & Decker
    Lenovo
    Nuance
    American Red Cross
    $ $ $ $ $
    equalizer $50,000+
    group1,000 - 9,999 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
    Awards

    Salesforce Partner Innovation Awards Winner (2015, 2016, 2017)

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  • 2

    Atech Support Ltd

    Atech Support Ltd is a cloud-services company based in High Wycombe, United Kingdom. Founded in 2006, their team of around 35 employees provides cloud and IT strategy consulting and IT managed services.

    Notable Project

    Atech Support Ltd provided IT support for a VR mental healthcare company. They provided manages services for the company's infrastructure. The team deployed Microsoft security products for the client.

    "The perception of IT throughout the business has increased 70% when asked via a survey after Atech had managed the environment and our users for 6 months." – Head of IT, VR Mental Healthcare Company

    Former clients
    BirdLife International
    Bravo Investment House
    Lawn Tennis Association
    Firmdale Hotels
    Octopus Investments
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place High Wycombe, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 3

    Kin + Carta

    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.

    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

    Former clients
    AstraZeneca
    Expedia
    Santander
    Pizza Hut
    BainCapital
    $ $ $ $ $
    equalizer

    Undisclosed

    group1,000 - 9,999 Employees
    place London, United Kingdom
    4.8
    4.8
    9 Clutch reviews
  • 4

    SourceFuse

    SourceFuse is a software company headquartered in Neptune Beach, Fl. founded in 2005. They have offices in Noida and Chandigarh in India, as well as in London and Hong Kong. They specialize in cloud consulting & SI, enterprise app modernization, and custom software development. They work with clients ranging from startups to enterprises and from industries such as health care, IT, and transportation.

    Notable Project

    SourceFuse has helped maintain an e-commerce automation company's platform for the past 10 years. SourceFuse assisted in new integration development, integration maintenance, product improvement, and new features & functionalities. The company has experienced a 32% ARPU increase with the help of SourceFuse.

    "The SF team is self sufficient with an organizational structure of managers and leads, taking requirements from the internal team and driving tasks to completion." - Managing Director, E-commerce Automation Company

    Former clients
    Firehouse Subs
    Suzuki Motorcycles
    One Call Care Management
    $ $ $ $ $
    equalizer $10,000+
    group250 - 999 Employees
    place London, United Kingdom
    4.5
    4.5
    2 Clutch reviews
  • 5

    CloudVolve

    CloudVolve is an IT and cloud company founded in 2019 with fewer than 10 experts. They offer cloud consulting and IT managed services from their office in London. They work with small and medium-sized businesses in the field of IT.

    Notable Project

    CloudVolve provided AWS and data migration services for a design curator. The curator hired CloudVolve to facilitate data migration for their platform. The staging of environments was completed successfully.

    “It was great.” - Founder, Design Curator

    Former clients
    Mercedes-Benz
    Vennstance
    Motionarray
    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 6

    Geeks Ltd

    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.

    Notable Project

    An online history encyclopedia hired Geeks to build a web app for extracting content from other websites. The client's key challenge was ensuring that the web app could handle a high volume of data. Geeks developed custom software featuring a user-friendly frontend and a backend capable of extracting significant amounts of data. Finally, Geeks created a JavaScript library that the client can sell to other businesses. The client appreciated Geeks' creativity and innovation.

    "Our visualization engine can generally handle ten times more data and the average JavaScript library. We’ve had no problems with the stability of their code. The server has always been perfect." - Co-Founder, Online History Encyclopedia

    Former clients
    easyJet
    Aesseal
    Houses of Parliament
    BBC
    Council of Europe
    $ $ $ $ $
    equalizer $25,000+
    group50 - 249 Employees
    place Sutton, United Kingdom
    4.8
    4.8
    14 Clutch reviews
    Awards

    Global Business Excellence Awards (2017) , The Queen's Awards , UK Digital Experience Awards , 2013 Gold Stevie Winner for Sales & Customer Service

  • 7

    Compete366

    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.

    Notable Project

    Compete366 provided Azure integration services for a copywriting and content agency. The agency needed their two Azure tenants consolidated into a single control point. This reduced the overall admin time and effort needed during operations.

    “Outstanding collaboration, with re-confirmation of the brief, full explanation of actions, and clear authorization requests.” - Managing Director, Copywriting and Content Agency

    Former clients
    AWOL Adventure
    ContractUs
    Godstowe School
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 8

    BSI Group

    BSI Group is an IT firm headquartered in London. Their midsized team specializes in cybersecurity, IT strategy consulting, and business consulting. 

    Notable Project

    BSI Group audited a healthcare provider software company to see if they were ISO 13485 compliant. The audit was completed in two phases. 

    "They were very straightforward. It was very clear what was being done and what their expectations of us were." – Director of Operations, Healthcare Provider Software Company

    Former clients
    MED49
    $ $ $ $ $
    equalizer

    Undisclosed

    group1,000 - 9,999 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 9

    Ballard Chalmers Ltd

    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.

    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

    Former clients
    BBC
    RHS
    Virgin
    NHS
    APAX
    RNLI
    TFL
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place East Grinstead, United Kingdom
    4.8
    4.8
    11 Clutch reviews
    Awards

    Microsoft Gold Partner , ISO 27001 , ISO 9001

  • 10

    Smartdesc

    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.

    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
     

    Former clients
    Mind
    Terrence Higgins Trust
    NCVO
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 11

    Anuitex Solutions Ltd

    Anuitex is a custom software development company with its head office in London and three offices in Ukraine, including Kharkiv, Poltava and Dnipro. Founded in 2012, they have 163 employees who offer smart software solutions for businesses, including mobile, cloud and web development. They work with a range of small, midmarket and large businesses in the education, finance, real estate and healthcare industries. 

    Notable Project

    Anuitex developed an app for iOS and Android for a hospitality company. They also created a back office system and were in charge of the UX and UI design. The client was particularly impressed with their expertise and ability to effectively manage the project remotely. The app received rave reviews from the clients.

    “They were very proactive and provided recommendations before we even asked them. Give them your ideas and let them translate those ideas into reality.” – CEO, Hospitality Company

    Former clients
    Apexum
    Bikesimizer
    Hiitway
    Patronim
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.9
    4.9
    14 Clutch reviews
  • 12

    Synetec Ltd

    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.

    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

    Former clients
    Argentex
    Genesis
    Jabre Capital Partners
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.7
    4.7
    5 Clutch reviews
    Awards

    2018 DevOps Excellence Award

  • 13

    The Data Analysis Bureau

    The Data Analysis Bureau is a data science and engineering innovation agency focusing in artificial intelligence and cloud consulting & SI. Founded in 2016, they're based in London. Their team of around 20 employees serves mostly midmarket and enterprise clients. 

    Notable Project

    The Data Analysis Bureau is working to create an autopilot system for sailboat racing and steering. They've worked with several artificial intelligence technologies to create a system that could be tested. So far, their efforts have been successful in enabling testing, outperforming the previous system by 10%. 

    "The team balanced innovation and the use of new technologies with making sure that the process was progressing." – Owner, Sailboat Racing Business

    Former clients
    Trigger Racing
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.9
    4.9
    4 Clutch reviews
  • 14

    Silicon Reef

    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. 

    Notable Project

    Silicon Reef provided SharePoint development services for an agricultural nonprofit. They created two SharePoint solutions for the client, who reported an increase in home page hits by over 110% and other successful metrics. 

    "There was a 67% increase in the number of files stored on our SharePoint within the first month of implementing the changes. The average active files increased from 50 and 60 to 110 and 140. On top of that, home page hits increased by 113%. This all occurred within the first month of the project launch." - Head of Technical Services, Agricultural Nonprofit

    Former clients
    Unilever
    Mondelēz International
    BP
    Santen
    $ $ $ $ $
    equalizer $25,000+
    group10 - 49 Employees
    place Kingston upon Thames, United Kingdom
    5.0
    5.0
    2 Clutch reviews
  • 15

    Blueberry Consultants

    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.

    Notable Project

    Blueberry Consultants designed and built a platform to order healthcare items across multiple user and supplier systems for a medicinal product startup. The client was impressed with their expertise.

    "Their recommendations proved to be vital for improving the overall development process." –Managing Director, Medical Product Start-Up

    Former clients
    Hewlett Packard
    Shell
    Barclays Bank
    Toshiba
    University of Leeds
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.8
    4.8
    3 Clutch reviews
  • 16

    8th Light

    8th Light is a software consultancy firm headquartered in Chicago, with other offices in Los Angeles, New York, and London. The agency and its team of 110+ has experience in web development, custom software development, web design, mobile app development, and cloud consulting.

    Notable Project

    A ticketing agency hired 8th Light for app development. The app helped users get tickets to high-demand events easier. While the app hasn't officially launched, there has been successful reports and great feedback from a select few. 

    "They [8th Light] were great with collaborating on the right way for the project to be managed. I learned a lot from working with them." – VP Product, Entertainment Company

    Former clients
    Groupon
    Royal Academy of Arts
    NCSA
    LawVault
    $ $ $ $ $
    equalizer $10,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.5
    4.5
    1 Clutch review
  • 17

    Cloudavity Consulting LTD

    Cloudavity Consulting LTD is a consultancy founded in 2018. Their team of fewer than 10 provides cloud consulting and web development solutions from their office in London. They work with clients in industries such as business services, financial services, and IT solutions.

    Notable Project

    Cloudavity Consulting LTD implemented a cloud-based solution for a vegetable oil company. The company wanted to improve their overall infrastructure’s reliability through the use of cloud technology. The cloud solution currently helps facilitate more straightforward remote work.

    “Cloudavity Consulting LTD is a small company, so they’re able to focus on their clients.” - CEO, Vegetable Oil Company

    Former clients
    Keno
    Aesop
    Lendo
    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 18

    Information EXP

    Based in Ascot, U.K., Information EXP is a Microsoft consultancy partner. Founded in 2019, their small team of 2 specializes in productivity, collaboration & UC consulting and SI and cloud consulting. 

    Notable Project

    The team at Information EXP assisted with onboarding Microsoft Teams across a biotech company. The team held trainings that involved the product and its features. All employees are using the services effectively. 

    "We definitely have had a positive impact from their training."–Head of Marketing & Product Management, Biotechnology Company

    Former clients
    Mexa Solutions
    $ $ $ $ $
    equalizer $5,000+
    group2 - 9 Employees
    place Ascot, United Kingdom
    4.6
    4.6
    4 Clutch reviews
  • 19

    Cloudserve Ltd

    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.

    Notable Project

    A recycling business subcontracted Cloudserve as an IT provider for ongoing support as well as hardware and software assistance. Cloudserve helped locate a recycling operating system in the market and hooked up the business with Microsoft services that they use on a regular basis. Work with the business is ongoing to this day.

    "Their personal approach is the best. When we ring them, we speak to the same people. We know them and they know us. They get into our system and resolve issues immediately. The speed of response is great as well." - Managing Director, Recycling Business

    Former clients
    FJB Hotels
    BSN Social Care
    Futur First
    $ $ $ $ $
    equalizer $1,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    4 Clutch reviews
  • 20

    SonicFast

    SonicFast is a hosting solutions provider founded in 2015 in London and with about 5 employees on board. Their main services include cybersecurity, cloud consulting and systems integration, IT managed services, and business intelligence. They mostly cater to small businesses in telecommunications, IT, and gaming industries. 

    Notable Project

    SonicFast provided hosting and DDoS (distributed denial-of-service) protection for a public proxy provider's website that needed to guarantee less downtime due to cyberattacks. Their work has significantly improved the website's security.

    "In the year I have been working with SonicFast I saw a lot of improvement..." – CEO, Public Proxy Provider

    $ $ $ $ $
    equalizer $1,000+
    group2 - 9 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
  • 21

    Urolime Technologies

    Urolime Technologies is a DevOps consulting company founded in Cochin, India in 2011. With over 50 professionals, they provide cloud consulting, IT managed services and IT staff augmentation solutions to clients across various industries.

    Notable Project

    Urolime Technologies provided managed IT services for a software development firm. The firm needed consistent support for their SaaS infrastructure with minimal downtime. With 99.99% uptime, the firm is satisfied with Urolime Technologies’ services.

    “It’s more than just a business relationship between us, which I really appreciate.” - CEO, Software Development Firm

    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    4.5
    4.5
    1 Clutch review
  • 22

    Data Reply

    Data Reply is a big data and analytics consulting firm headquartered in London. They were founded in 2015 and currently have over 10 employees. In addition to their advanced analytics capacities, the team provides business intelligence and data consulting, cloud consulting, software integration, and IT strategy for mostly enterprise-scale clients.

    Notable Project

    Data Reply conducted a comprehensive analytics campaign for one of the UK's largest grocery chains. Using BigQuery, Data Reply conducted a sophisticated analysis of the client's delivery and eCommerce operations. The team merged 3 data sets (e.g., product management, technical details, and machine learning) in the cloud, which provided insights into customer retention issues.

    "The project management and communication were exceptional and clear. They were always available. Their technical expertise is fantastic." — Analytics Manager, Grocery Chain

    Former clients
    Vitol
    $ $ $ $ $
    equalizer $5,000+
    group10 - 49 Employees
    place London, United Kingdom
    4.3
    4.3
    2 Clutch reviews
  • 23

    Xenoss

    Xenoss is a software consulting and development agency in New York; London, United Kingdom; and Kyiv, Ukraine. Founded in 2013, they have about 38 employees that serve midmarket clients in the advertising and marketing sectors. Services include custom software development, IT strategy consulting, and web development.

    Notable Project

    Xenoss provided development and staff augmentation services for a gaming and entertainment ad technology company. Their team curates candidates to join the partner's development team after a thorough testing and interview process. The partner is happy with the dedicated engineers and their high-level quality of work.

    "They’ve performed well with project management." –COO and Co-Founder, Gaming Ad Tech Company

    Former clients
    Ad-Lib
    Intercom
    Telefonica
    $ $ $ $ $
    equalizer $75,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 24

    Equinox IS

    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. 

    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

    Former clients
    Hay
    Hutchison Drei Austria GmbH
    $ $ $ $ $
    equalizer $10,000+
    group10 - 49 Employees
    place London, United Kingdom
    5.0
    5.0
    3 Clutch reviews
  • 25

    RiskVision - Out of Business

    RiskVision is a risk intelligence solutions company based in Sunnyvale, Calif. with offices in London and Hyderabad, India. Founded in 2005, the team of 225 specializes in cybersecurity, cloud consulting and SI, and IT strategy consulting. They focus on financial services, healthcare & medical, and media.

    Notable Project

    RiskVision worked on Microsoft cloud migration for a retailer. They integrated and configured computers with Microsoft Azure Cloud, and added special features such as password locking prioritized documents. The client was impressed by the results of the project.

    “We've seen a huge jump in productivity since the implementation. We also have fewer security incidents. RiskVision was affordable and easy to adjust to. Customer satisfaction is very important to their team.” – IT Manager, Retailer

    Former clients
    HBO
    Bell
    Southern Company
    State Street
    $ $ $ $ $
    equalizer $5,000+
    group50 - 249 Employees
    place London, United Kingdom
    5.0
    5.0
    1 Clutch review
    Awards

    Deloitte: Tech Fast 500 Canada (2017)

Tell us about your project
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