Company lists · Data refreshed September 2026
Top 25 IT outsourcing services based in the United Kingdom
RevenueBase identified 1,978 company matches for IT outsourcing services associated with the United Kingdom as of September 2026 and tracks 41,819 professional contacts across them, including 9,596 with verified work emails and 1,822 with mobile numbers. London is the largest hub.
This list covers company matches for IT outsourcing services associated with the United Kingdom, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest IT outsourcing services based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 20,824 contacts → | ||||
Exact match “Capita is an outsourcer, helping clients across the public and private sectors run complex business processes more efficiently, creating better consumer experiences.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 1,178 contacts → | ||||
Exact match “Genisys Group is a new age global information technology and business process services company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 1,039 contacts → | ||||
Exact match “Global business doesn’t have to be complicated.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 616 contacts → | ||||
Exact match “Excis is a trusted global IT services company, delivering agile, multilingual support across 150+ countries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 510 contacts → | ||||
Exact match “ESP provides IT support services across the globe.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 333 contacts → | ||||
Exact match “Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 327 contacts → | ||||
Exact match “Damco Solutions Limited is a specialist software solutions and services & a business process outsourcing services company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 324 contacts → | ||||
Exact match “The Game Changers in IT services On the 1st of December ADA changed it's name to Acora.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 313 contacts → | ||||
Exact match “The Verelogic Group, with over 30 years of experience, offers business support in technology and recruitment in the IT and engineering sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 241 contacts → | ||||
Exact match “At Sharp Brains, we are your premier IT Services & Solutions Provider based in the UK, dedicated to meeting your business's unique needs with tailor-made solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 208 contacts → | ||||
Exact match “Our IT professional services deliver expertise in effective business change, facilitated by technology.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 141 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 129 contacts → | ||||
Exact match “Founded in 2007, we are independent, knowledgeable and reliable.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 125 contacts → | ||||
Exact match “COGNIZ is an emerging IT solutions company delivering technical services, solutions and support for organisations ranging across a variety of sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 114 contacts → | ||||
Exact match “Axiom is a global information technology, consulting and outsourcing company and services provider.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 113 contacts → | ||||
Exact match “SYNVERSE is a fast growing “Next Generation” global IT solution services provider with headquarters in UK Having Global Delivery Center at Hyderabad INDIA.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 103 contacts → | ||||
Exact match “we redefine business process outsourcing, empowering companies to broaden their horizons.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 96 contacts → | ||||
Exact match “Xynotech is a provider of IT consulting and software development services that help companies overtake their competition.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 96 contacts → | ||||
Exact match “Matsco Solutions is a global managed IT service provider built exclusively for the financial services industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 93 contacts → | ||||
Exact match “ramsac provide so much more than just IT support.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 93 contacts → | ||||
Exact match “We are a leading IT company offering a complete out-sourced IT solution to organisations across the UK.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 92 contacts → | ||||
Exact match “The costs for shifting to the cloud and juggling a hybrid environment continue to escalate due to rising support fees and expensive tech resources.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 84 contacts → | ||||
Exact match “SAT Microsystems is a proven IT Service Provider leader in developing innovative solutions that reduce business costs and complexity in Saudi Arabia, UAE, and 8 other countries.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 82 contacts → | ||||
Exact match “Welcome to 9NEXUS- Your Trusted Partner for IT Staff Augmentation & Offshore Solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 79 contacts → | ||||
Exact match “Hybytes is an offshore/domestic solution provider for IT and Management to business and industry.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “IT outsourcing services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,978 IT outsourcing services based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 9,596 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
IT outsourcing services based in the United Kingdom at a glance
As of Sep 27, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 94.0dHow this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United Kingdom whose business descriptions match “IT outsourcing services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 9,596 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
IT outsourcing services by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT outsourcing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many IT outsourcing services are there based in the United Kingdom?
RevenueBase identified 1,978 company matches for IT outsourcing services associated with the United Kingdom as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Capita tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most IT outsourcing services?
London leads with 658 company records, followed by Manchester (41) and Birmingham (29).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,596 professional contacts with verified work emails tracked across these 1,978 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,978 IT outsourcing services based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
IT outsourcing services by geography
- IT outsourcing services based in the United States
- IT outsourcing services based in Brazil
- IT outsourcing services based in Germany
- IT outsourcing services based in Canada
- IT outsourcing services based in France
- IT outsourcing services based in Australia
- IT outsourcing services based in Italy
- IT outsourcing services based in Spain
- IT outsourcing services based in Poland
- IT outsourcing services based in South Africa
- IT outsourcing services based in Argentina
- IT outsourcing services based in the Netherlands
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT outsourcing services based in the United States
- IT outsourcing services based in Brazil
- IT outsourcing services based in Germany
- IT outsourcing services based in Canada
- IT outsourcing services based in France
- IT outsourcing services based in Australia
Company intelligence · public preview
Top 25 IT outsourcing services based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,978 matching company records for IT outsourcing services based in the United Kingdom, with 41,819 tracked contacts and 9,596 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT outsourcing services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Capitacapita.comHQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 20,824 contacts → |
“Capita is an outsourcer, helping clients across the public and private sectors run complex business processes more efficiently, creating better consumer experiences.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Genisys Groupgenisys-group.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,178 contacts → |
“Genisys Group is a new age global information technology and business process services company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NSC Globalnscglobal.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,039 contacts → |
“Global business doesn’t have to be complicated.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Excis Complianceexcis.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 616 contacts → |
“Excis is a trusted global IT services company, delivering agile, multilingual support across 150+ countries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  ESP Global Servicesespglobalservices.comHQ: Reading, United KingdomReported employees: 501-1,000 | Reading, United Kingdom | 501-1,000 | Exact match | 510 contacts → |
“ESP provides IT support services across the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Ubique Systemsubique-systems.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 333 contacts → |
“Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Damco Solutions Limiteddamcogroup.co.ukHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 327 contacts → |
“Damco Solutions Limited is a specialist software solutions and services & a business process outsourcing services company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ADA Technology Servicesacora.comHQ: Burgess Hill, United KingdomReported employees: 51-200 | Burgess Hill, United Kingdom | 51-200 | Exact match | 324 contacts → |
“The Game Changers in IT services On the 1st of December ADA changed it's name to Acora.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Verelogic Groupverelogic.comHQ: Swindon, United KingdomReported employees: Not recorded | Swindon, United Kingdom | Not recorded | Exact match | 313 contacts → |
“The Verelogic Group, with over 30 years of experience, offers business support in technology and recruitment in the IT and engineering sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sharp Brainssharpbrains.co.ukHQ: Slough, United KingdomReported employees: 51-200 | Slough, United Kingdom | 51-200 | Exact match | 241 contacts → |
“At Sharp Brains, we are your premier IT Services & Solutions Provider based in the UK, dedicated to meeting your business's unique needs with tailor-made solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Capita IT Professional Servicescapita-itps.co.uk HQ: Haywards Heath, United KingdomReported employees: 10001+ | Haywards Heath, United Kingdom | 10001+ | Exact match | 208 contacts → |
“Our IT professional services deliver expertise in effective business change, facilitated by technology.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Portalchooseportal.comHQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 141 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Orchestrathisisorchestra.comHQ: Woolwich, United KingdomReported employees: Not recorded | Woolwich, United Kingdom | Not recorded | Exact match | 129 contacts → |
“Founded in 2007, we are independent, knowledgeable and reliable.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cogniz Consultancy Limitedcognizconsultancy.comHQ: Middlesex, United KingdomReported employees: 11-50 | Middlesex, United Kingdom | 11-50 | Exact match | 125 contacts → |
“COGNIZ is an emerging IT solutions company delivering technical services, solutions and support for organisations ranging across a variety of sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Axiom Software Solutions Limitedaxiomsoftwaresolutions.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 114 contacts → |
“Axiom is a global information technology, consulting and outsourcing company and services provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Synverse Tech Limitedsynverse.comHQ: Maidenhead, United KingdomReported employees: 51-200 | Maidenhead, United Kingdom | 51-200 | Exact match | 113 contacts → |
“SYNVERSE is a fast growing “Next Generation” global IT solution services provider with headquarters in UK Having Global Delivery Center at Hyderabad INDIA.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Solvex Solutionssolvex-solutions.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 103 contacts → |
“we redefine business process outsourcing, empowering companies to broaden their horizons.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Xynotechxynotech.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Xynotech is a provider of IT consulting and software development services that help companies overtake their competition.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Matsco Solutionsmatscosolutions.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Matsco Solutions is a global managed IT service provider built exclusively for the financial services industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Ramsacramsac.comHQ: Guildford, United KingdomReported employees: 51-200 | Guildford, United Kingdom | 51-200 | Exact match | 93 contacts → |
“ramsac provide so much more than just IT support.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Planet ITplanet-it.netHQ: Abingdon, United KingdomReported employees: 51-200 | Abingdon, United Kingdom | 51-200 | Exact match | 93 contacts → |
“We are a leading IT company offering a complete out-sourced IT solution to organisations across the UK.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Bluesourcebluesource.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“The costs for shifting to the cloud and juggling a hybrid environment continue to escalate due to rising support fees and expensive tech resources.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  SAT Microsystemssatmz.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 84 contacts → |
“SAT Microsystems is a proven IT Service Provider leader in developing innovative solutions that reduce business costs and complexity in Saudi Arabia, UAE, and 8 other countries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  9nexus9nexus.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Welcome to 9NEXUS- Your Trusted Partner for IT Staff Augmentation & Offshore Solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Hybyteshybytes.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 79 contacts → |
“Hybytes is an offshore/domestic solution provider for IT and Management to business and industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,978 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
IT outsourcing services: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,964 records in the displayed employee bands.
14 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 94.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT outsourcing services by metro
Questions about this company list
What does Exact match mean for IT outsourcing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT outsourcing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,978 matching company records, 41,819 tracked contacts and 9,596 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT outsourcing services by geography
- IT outsourcing services based in the United States
- IT outsourcing services based in Brazil
- IT outsourcing services based in Germany
- IT outsourcing services based in Canada
- IT outsourcing services based in France
- IT outsourcing services based in Australia
- IT outsourcing services based in Italy
- IT outsourcing services based in Spain
- IT outsourcing services based in Poland
- IT outsourcing services based in South Africa
- IT outsourcing services based in Argentina
- IT outsourcing services based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 IT outsourcing services based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-outsourcing-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT outsourcing services based in the United States
- IT outsourcing services based in Brazil
- IT outsourcing services based in Germany
- IT outsourcing services based in Canada
- IT outsourcing services based in France
- IT outsourcing services based in Australia
Company intelligence · public preview
Top 25 IT outsourcing services based in the United Kingdom
RevenueBase records 1,978 matching company records for IT outsourcing services based in the United Kingdom, with 41,819 tracked contacts and 9,596 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 IT outsourcing services based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Capitacapita.com HQ: London, United KingdomReported employees: 10001+ | London, United Kingdom | 10001+ | Exact match | 20,824 contacts → |
“Capita is an outsourcer, helping clients across the public and private sectors run complex business processes more efficiently, creating better consumer experiences.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Genisys Groupgenisys-group.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,178 contacts → |
“Genisys Group is a new age global information technology and business process services company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NSC Globalnscglobal.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,039 contacts → |
“Global business doesn’t have to be complicated.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Excis Complianceexcis.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 616 contacts → |
“Excis is a trusted global IT services company, delivering agile, multilingual support across 150+ countries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | ESP Global Servicesespglobalservices.com HQ: Reading, United KingdomReported employees: 501-1,000 | Reading, United Kingdom | 501-1,000 | Exact match | 510 contacts → |
“ESP provides IT support services across the globe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Ubique Systemsubique-systems.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 333 contacts → |
“Ubique Systems is a fast growing multifaceted organization which offers a comprehensive array of outsourcing and consulting services for its customers, including recruitment…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Damco Solutions Limiteddamcogroup.co.uk HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 327 contacts → |
“Damco Solutions Limited is a specialist software solutions and services & a business process outsourcing services company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ADA Technology Servicesacora.com HQ: Burgess Hill, United KingdomReported employees: 51-200 | Burgess Hill, United Kingdom | 51-200 | Exact match | 324 contacts → |
“The Game Changers in IT services On the 1st of December ADA changed it's name to Acora.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Verelogic Groupverelogic.com HQ: Swindon, United KingdomReported employees: Not recorded | Swindon, United Kingdom | Not recorded | Exact match | 313 contacts → |
“The Verelogic Group, with over 30 years of experience, offers business support in technology and recruitment in the IT and engineering sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sharp Brainssharpbrains.co.uk HQ: Slough, United KingdomReported employees: 51-200 | Slough, United Kingdom | 51-200 | Exact match | 241 contacts → |
“At Sharp Brains, we are your premier IT Services & Solutions Provider based in the UK, dedicated to meeting your business's unique needs with tailor-made solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Capita IT Professional Servicescapita-itps.co.uk HQ: Haywards Heath, United KingdomReported employees: 10001+ | Haywards Heath, United Kingdom | 10001+ | Exact match | 208 contacts → |
“Our IT professional services deliver expertise in effective business change, facilitated by technology.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Portalchooseportal.com HQ: Bracknell, United KingdomReported employees: 51-200 | Bracknell, United Kingdom | 51-200 | Exact match | 141 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Orchestrathisisorchestra.com HQ: Woolwich, United KingdomReported employees: Not recorded | Woolwich, United Kingdom | Not recorded | Exact match | 129 contacts → |
“Founded in 2007, we are independent, knowledgeable and reliable.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cogniz Consultancy Limitedcognizconsultancy.com HQ: Middlesex, United KingdomReported employees: 11-50 | Middlesex, United Kingdom | 11-50 | Exact match | 125 contacts → |
“COGNIZ is an emerging IT solutions company delivering technical services, solutions and support for organisations ranging across a variety of sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Axiom Software Solutions Limitedaxiomsoftwaresolutions.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 114 contacts → |
“Axiom is a global information technology, consulting and outsourcing company and services provider.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Synverse Tech Limitedsynverse.com HQ: Maidenhead, United KingdomReported employees: 51-200 | Maidenhead, United Kingdom | 51-200 | Exact match | 113 contacts → |
“SYNVERSE is a fast growing “Next Generation” global IT solution services provider with headquarters in UK Having Global Delivery Center at Hyderabad INDIA.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Solvex Solutionssolvex-solutions.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 103 contacts → |
“we redefine business process outsourcing, empowering companies to broaden their horizons.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Xynotechxynotech.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Xynotech is a provider of IT consulting and software development services that help companies overtake their competition.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Matsco Solutionsmatscosolutions.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 96 contacts → |
“Matsco Solutions is a global managed IT service provider built exclusively for the financial services industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Ramsacramsac.com HQ: Guildford, United KingdomReported employees: 51-200 | Guildford, United Kingdom | 51-200 | Exact match | 93 contacts → |
“ramsac provide so much more than just IT support.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Planet ITplanet-it.net HQ: Abingdon, United KingdomReported employees: 51-200 | Abingdon, United Kingdom | 51-200 | Exact match | 93 contacts → |
“We are a leading IT company offering a complete out-sourced IT solution to organisations across the UK.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bluesourcebluesource.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“The costs for shifting to the cloud and juggling a hybrid environment continue to escalate due to rising support fees and expensive tech resources.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | SAT Microsystemssatmz.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 84 contacts → |
“SAT Microsystems is a proven IT Service Provider leader in developing innovative solutions that reduce business costs and complexity in Saudi Arabia, UAE, and 8 other countries.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 9nexus9nexus.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 82 contacts → |
“Welcome to 9NEXUS- Your Trusted Partner for IT Staff Augmentation & Offshore Solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Hybyteshybytes.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 79 contacts → |
“Hybytes is an offshore/domestic solution provider for IT and Management to business and industry.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,978 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
IT outsourcing services: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
1,964 records in the displayed employee bands.
14 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 29.0dCompany record updated
Median 94.0dHow this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
IT outsourcing services by metro
Questions about this company list
What does Exact match mean for IT outsourcing services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many IT outsourcing services did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,978 matching company records, 41,819 tracked contacts and 9,596 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
IT outsourcing services by geography
- IT outsourcing services based in the United States
- IT outsourcing services based in Brazil
- IT outsourcing services based in Germany
- IT outsourcing services based in Canada
- IT outsourcing services based in France
- IT outsourcing services based in Australia
- IT outsourcing services based in Italy
- IT outsourcing services based in Spain
- IT outsourcing services based in Poland
- IT outsourcing services based in South Africa
- IT outsourcing services based in Argentina
- IT outsourcing services based in the Netherlands
Cite this list
RevenueBase Data Team. Top 25 IT outsourcing services based in the United Kingdom. Snapshot: September 27, 2026. https://revenuebase.ai/companies/it-outsourcing-services/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- IT outsourcing services based in the United States
- IT outsourcing services based in Brazil
- IT outsourcing services based in Germany
- IT outsourcing services based in Canada
- IT outsourcing services based in France
- IT outsourcing services based in Australia