Company lists · Data refreshed September 2026
Top 25 Data outsourcing companies based in the United Kingdom
RevenueBase identified 880 company matches for data outsourcing companies associated with the United Kingdom as of September 2026 and tracks 36,736 professional contacts across them, including 9,262 with verified work emails and 3,021 with mobile numbers. London is the largest hub.
This list covers company matches for data outsourcing companies 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 1, 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 data outsourcing companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 17,273 contacts → | ||||
Exact match “Established in 2001, Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company, is a specialized BPS partner with hyper-focused, domain-centered teams and cutting-edge…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 2 | 2,257 contacts → | ||||
Exact match “Founded in 2008 OneAdvanced has grown into one of the UK’s largest providers of business software and services serving global customers with an annual turnover of £330M+.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 3 | 1,874 contacts → | ||||
Exact match “GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 4 | 1,657 contacts → | ||||
Exact match “CACI offers an unrivalled range of data, marketing and IT solutions to a wide range of industries across both the public and private sectors.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 5 | 1,434 contacts → | ||||
Exact match “Mobius transforms the way data works for you.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 6 | 1,095 contacts → | ||||
Exact match “Smartstream unlocks trusted, intelligent data insights – clearly, consistently, and without compromise.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 7 | 813 contacts → | ||||
Exact match “Ab Initio transforms how companies work with data, from data discovery and strategy through implementation and governance.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 8 | 717 contacts → | ||||
Exact match “We provide high performing intelligence that answers critical business questions for leading companies around the world.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 9 | 520 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 10 | 464 contacts → | ||||
Exact match “Smartsourcing is a global outsourcing company redefining how businesses scale through people-first solutions.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 11 | 275 contacts → | ||||
Exact match “Seargin was founded to close the gap between traditional advisory and hands-on delivery - combining strategic insight with deep expertise in ERP, AI and data.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 12 | 245 contacts → | ||||
Exact match “Founded in 2014, VCreaTek is a next-generation data and AI services company with a global footprint.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 13 | 219 contacts → | ||||
Exact match “As a global leader in service management, we help businesses transform their operations with data-driven insights, scalable digital solutions, and measurable results.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 14 | 202 contacts → | ||||
Exact match “The Information Lab is on a mission.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 15 | 192 contacts → | ||||
Exact match “MAP Systems, since its inception in 1993, has registered steady growth.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 16 | 186 contacts → | ||||
Exact match “We help you to transform your business with innovative technology, giving you the tools to tap into your data, reduce cost to serve and deliver world-class customer experience.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 17 | 150 contacts → | ||||
Exact match “CloudSmiths is a technology consultancy specialising in data analytics, machine learning, software development, AI and business reporting in the cloud.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 18 | 148 contacts → | ||||
Exact match “Sagacity are the data intelligence people.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 19 | 116 contacts → | ||||
Exact match “Microsoft Partner of the Year 2024, Simpson Associates is a Data Transformation and managed services provider that helps organisations from both the public and private sectors…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 20 | 113 contacts → | ||||
Exact match “Founded in 2017, Aker is a modern data solutions provider, with offerings ranging from cloud-based software platforms to standardised, repeatable services that assist and empower…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 21 | 111 contacts → | ||||
Exact match “Calligo transforms data into your most lucrative asset.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 22 | 100 contacts → | ||||
Exact match “BrickRed Technologies - A 3Pillar Global Company Every day, some of the world's most hardworking organizations rely on our software and engineering skills to serve their customers…” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 23 | 92 contacts → | ||||
Exact match “GroupBWT is a consulting firm specializing in data management and the construction of data platforms.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 24 | 86 contacts → | ||||
Exact match “aQb is a progressive web application development company that has been offering a range of IT solution services for over a decade.” Recorded in the RevenueBase company graph · Sep 1, 2026 · View company records in RevenueBase | |||||
| 25 | 84 contacts → | ||||
Exact match “At Growth Hub, we help organisations streamline processes, harness data effectively, and make informed decisions.” Recorded in the RevenueBase company graph · Sep 1, 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 “data outsourcing companies”. 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 880 data outsourcing companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 9,262 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Data outsourcing companies based in the United Kingdom at a glance
As of Sep 1, 2026Companies by employee count
How 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 “data outsourcing companies” 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 9,262 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 1, 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.
Data outsourcing companies 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 “data outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many data outsourcing companies are there based in the United Kingdom?
RevenueBase identified 880 company matches for data outsourcing companies 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?
Firstsource tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most data outsourcing companies?
London leads with 360 company records, followed by Manchester (30) and Leeds (17).
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 9,262 professional contacts with verified work emails tracked across these 880 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 1, 2026.
Ready to reach these companies? Verified emails and direct dials for all 880 data outsourcing companies based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Data outsourcing companies by geography
- Data outsourcing companies based in the United States
- Data outsourcing companies based in Brazil
- Data outsourcing companies based in Canada
- Data outsourcing companies based in Australia
- Data outsourcing companies based in France
- Data outsourcing companies based in Germany
- Data outsourcing companies based in the Netherlands
- Data outsourcing companies based in Italy
- Data outsourcing companies based in Spain
- Data outsourcing companies based in South Africa
- Data outsourcing companies based in Mexico
- Data outsourcing companies based in Poland
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
- Data outsourcing companies based in the United States
- Data outsourcing companies based in Brazil
- Data outsourcing companies based in Canada
- Data outsourcing companies based in Australia
- Data outsourcing companies based in France
- Data outsourcing companies based in Germany
Company intelligence · public preview
Top 25 data outsourcing companies 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 880 matching company records for data outsourcing companies based in the United Kingdom, with 36,736 tracked contacts and 9,262 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 1, 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 data outsourcing companies 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 |  Firstsourcefirstsource.comHQ: HQ not recorded; location: Warrington, United KingdomReported employees: 10001+ | HQ not recorded; location: Warrington, United Kingdom | 10001+ | Exact match | 17,273 contacts → |
“Established in 2001, Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company, is a specialized BPS partner with hyper-focused, domain-centered teams and cutting-edge…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Oneadvancedoneadvanced.comHQ: HQ not recorded; location: Birmingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Birmingham, United Kingdom | 1,001-5,000 | Exact match | 2,257 contacts → |
“Founded in 2008 OneAdvanced has grown into one of the UK’s largest providers of business software and services serving global customers with an annual turnover of £330M+.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Gspann Technologies, INCgspann.comHQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 1,874 contacts → |
“GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Caci LTDcaci.co.ukHQ: HQ not recorded; location: Birmingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Birmingham, United Kingdom | 1,001-5,000 | Exact match | 1,657 contacts → |
“CACI offers an unrivalled range of data, marketing and IT solutions to a wide range of industries across both the public and private sectors.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mobius Knowledge Servicesmobiusservices.comHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 1,434 contacts → |
“Mobius transforms the way data works for you.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Smartstreamsmart.streamHQ: HQ not recorded; location: Bristol, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Bristol, United Kingdom | 1,001-5,000 | Exact match | 1,095 contacts → |
“Smartstream unlocks trusted, intelligent data insights – clearly, consistently, and without compromise.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AB Initio Softwareabinitio.comHQ: HQ not recorded; location: Weybridge, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Weybridge, United Kingdom | 501-1,000 | Exact match | 813 contacts → |
“Ab Initio transforms how companies work with data, from data discovery and strategy through implementation and governance.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  The Smart Cubethesmartcube.comHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 717 contacts → |
“We provide high performing intelligence that answers critical business questions for leading companies around the world.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: HQ not recorded; location: United KingdomReported employees: 501-1,000 | HQ not recorded; location: United Kingdom | 501-1,000 | Exact match | 520 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Smartsourcingsmartsourcing.coHQ: HQ not recorded; location: Bristol, United KingdomReported employees: 201-500 | HQ not recorded; location: Bristol, United Kingdom | 201-500 | Exact match | 464 contacts → |
“Smartsourcing is a global outsourcing company redefining how businesses scale through people-first solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Searginseargin.comHQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 275 contacts → |
“Seargin was founded to close the gap between traditional advisory and hands-on delivery - combining strategic insight with deep expertise in ERP, AI and data.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Vcreatek Consultingvcreatek.comHQ: HQ not recorded; location: Cardiff, United KingdomReported employees: 201-500 | HQ not recorded; location: Cardiff, United Kingdom | 201-500 | Exact match | 245 contacts → |
“Founded in 2014, VCreaTek is a next-generation data and AI services company with a global footprint.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Fusion Global Business Solutionsfusiongbs.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 219 contacts → |
“As a global leader in service management, we help businesses transform their operations with data-driven insights, scalable digital solutions, and measurable results.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  The Information LABtheinformationlab.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 202 contacts → |
“The Information Lab is on a mission.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mapsystemsmapsystemsindia.comHQ: HQ not recorded; location: Portslade, United KingdomReported employees: 201-500 | HQ not recorded; location: Portslade, United Kingdom | 201-500 | Exact match | 192 contacts → |
“MAP Systems, since its inception in 1993, has registered steady growth.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Procodeprocode.technologyHQ: HQ not recorded; location: Chandlers Ford, United KingdomReported employees: 201-500 | HQ not recorded; location: Chandlers Ford, United Kingdom | 201-500 | Exact match | 186 contacts → |
“We help you to transform your business with innovative technology, giving you the tools to tap into your data, reduce cost to serve and deliver world-class customer experience.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cloudsmithscloudsmiths.aiHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 150 contacts → |
“CloudSmiths is a technology consultancy specialising in data analytics, machine learning, software development, AI and business reporting in the cloud.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Sagacitysagacitysolutions.co.ukHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 148 contacts → |
“Sagacity are the data intelligence people.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Simpson Associatessimpson-associates.co.ukHQ: HQ not recorded; location: York, United KingdomReported employees: 51-200 | HQ not recorded; location: York, United Kingdom | 51-200 | Exact match | 116 contacts → |
“Microsoft Partner of the Year 2024, Simpson Associates is a Data Transformation and managed services provider that helps organisations from both the public and private sectors…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Aker Systemsakersystems.comHQ: HQ not recorded; location: Bicester, United KingdomReported employees: 51-200 | HQ not recorded; location: Bicester, United Kingdom | 51-200 | Exact match | 113 contacts → |
“Founded in 2017, Aker is a modern data solutions provider, with offerings ranging from cloud-based software platforms to standardised, repeatable services that assist and empower…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Calligocalligo.ioHQ: HQ not recorded; location: Leicester, United KingdomReported employees: 201-500 | HQ not recorded; location: Leicester, United Kingdom | 201-500 | Exact match | 111 contacts → |
“Calligo transforms data into your most lucrative asset.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Brickred Technologies3pillarglobal.comHQ: HQ not recorded; location: Chessington, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Chessington, United Kingdom | 501-1,000 | Exact match | 100 contacts → |
“BrickRed Technologies - A 3Pillar Global Company Every day, some of the world's most hardworking organizations rely on our software and engineering skills to serve their customers…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Groupbwtgroupbwt.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“GroupBWT is a consulting firm specializing in data management and the construction of data platforms.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  AQB Solutions PVT LTDaqbsolutions.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 86 contacts → |
“aQb is a progressive web application development company that has been offering a range of IT solution services for over a decade.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Growth HUBgrowth-hub.comHQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 84 contacts → |
“At Growth Hub, we help organisations streamline processes, harness data effectively, and make informed decisions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 880 company matches
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Data outsourcing companies: dataset insights
September 1, 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
874 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How 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 1, 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 ↗
Data outsourcing companies by metro
Questions about this company list
What does Exact match mean for data outsourcing companies?
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 data outsourcing companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 880 matching company records, 36,736 tracked contacts and 9,262 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 1, 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
Data outsourcing companies by geography
- Data outsourcing companies based in the United States
- Data outsourcing companies based in Brazil
- Data outsourcing companies based in Canada
- Data outsourcing companies based in Australia
- Data outsourcing companies based in France
- Data outsourcing companies based in Germany
- Data outsourcing companies based in the Netherlands
- Data outsourcing companies based in Italy
- Data outsourcing companies based in Spain
- Data outsourcing companies based in South Africa
- Data outsourcing companies based in Mexico
- Data outsourcing companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 data outsourcing companies based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/data-outsourcing-companies/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
- Data outsourcing companies based in the United States
- Data outsourcing companies based in Brazil
- Data outsourcing companies based in Canada
- Data outsourcing companies based in Australia
- Data outsourcing companies based in France
- Data outsourcing companies based in Germany
Company intelligence · public preview
Top 25 data outsourcing companies based in the United Kingdom
RevenueBase records 880 matching company records for data outsourcing companies based in the United Kingdom, with 36,736 tracked contacts and 9,262 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 1, 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 data outsourcing companies 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 | Firstsourcefirstsource.com HQ: HQ not recorded; location: Warrington, United KingdomReported employees: 10001+ | HQ not recorded; location: Warrington, United Kingdom | 10001+ | Exact match | 17,273 contacts → |
“Established in 2001, Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company, is a specialized BPS partner with hyper-focused, domain-centered teams and cutting-edge…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Oneadvancedoneadvanced.com HQ: HQ not recorded; location: Birmingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Birmingham, United Kingdom | 1,001-5,000 | Exact match | 2,257 contacts → |
“Founded in 2008 OneAdvanced has grown into one of the UK’s largest providers of business software and services serving global customers with an annual turnover of £330M+.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Gspann Technologies, INCgspann.com HQ: HQ not recorded; location: London, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: London, United Kingdom | 1,001-5,000 | Exact match | 1,874 contacts → |
“GSPANN is a US-based consulting services provider focused on implementations in Enterprise Content Management (ECM), Business Intelligence & Mobile Solutioning initiatives.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Caci LTDcaci.co.uk HQ: HQ not recorded; location: Birmingham, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Birmingham, United Kingdom | 1,001-5,000 | Exact match | 1,657 contacts → |
“CACI offers an unrivalled range of data, marketing and IT solutions to a wide range of industries across both the public and private sectors.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mobius Knowledge Servicesmobiusservices.com HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 1,434 contacts → |
“Mobius transforms the way data works for you.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Smartstreamsmart.stream HQ: HQ not recorded; location: Bristol, United KingdomReported employees: 1,001-5,000 | HQ not recorded; location: Bristol, United Kingdom | 1,001-5,000 | Exact match | 1,095 contacts → |
“Smartstream unlocks trusted, intelligent data insights – clearly, consistently, and without compromise.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AB Initio Softwareabinitio.com HQ: HQ not recorded; location: Weybridge, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Weybridge, United Kingdom | 501-1,000 | Exact match | 813 contacts → |
“Ab Initio transforms how companies work with data, from data discovery and strategy through implementation and governance.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | The Smart Cubethesmartcube.com HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 717 contacts → |
“We provide high performing intelligence that answers critical business questions for leading companies around the world.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: HQ not recorded; location: United KingdomReported employees: 501-1,000 | HQ not recorded; location: United Kingdom | 501-1,000 | Exact match | 520 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Smartsourcingsmartsourcing.co HQ: HQ not recorded; location: Bristol, United KingdomReported employees: 201-500 | HQ not recorded; location: Bristol, United Kingdom | 201-500 | Exact match | 464 contacts → |
“Smartsourcing is a global outsourcing company redefining how businesses scale through people-first solutions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Searginseargin.com HQ: HQ not recorded; location: London, United KingdomReported employees: 501-1,000 | HQ not recorded; location: London, United Kingdom | 501-1,000 | Exact match | 275 contacts → |
“Seargin was founded to close the gap between traditional advisory and hands-on delivery - combining strategic insight with deep expertise in ERP, AI and data.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Vcreatek Consultingvcreatek.com HQ: HQ not recorded; location: Cardiff, United KingdomReported employees: 201-500 | HQ not recorded; location: Cardiff, United Kingdom | 201-500 | Exact match | 245 contacts → |
“Founded in 2014, VCreaTek is a next-generation data and AI services company with a global footprint.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fusion Global Business Solutionsfusiongbs.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 219 contacts → |
“As a global leader in service management, we help businesses transform their operations with data-driven insights, scalable digital solutions, and measurable results.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | The Information LABtheinformationlab.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 202 contacts → |
“The Information Lab is on a mission.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mapsystemsmapsystemsindia.com HQ: HQ not recorded; location: Portslade, United KingdomReported employees: 201-500 | HQ not recorded; location: Portslade, United Kingdom | 201-500 | Exact match | 192 contacts → |
“MAP Systems, since its inception in 1993, has registered steady growth.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Procodeprocode.technology HQ: HQ not recorded; location: Chandlers Ford, United KingdomReported employees: 201-500 | HQ not recorded; location: Chandlers Ford, United Kingdom | 201-500 | Exact match | 186 contacts → |
“We help you to transform your business with innovative technology, giving you the tools to tap into your data, reduce cost to serve and deliver world-class customer experience.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cloudsmithscloudsmiths.ai HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 150 contacts → |
“CloudSmiths is a technology consultancy specialising in data analytics, machine learning, software development, AI and business reporting in the cloud.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sagacitysagacitysolutions.co.uk HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 148 contacts → |
“Sagacity are the data intelligence people.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Simpson Associatessimpson-associates.co.uk HQ: HQ not recorded; location: York, United KingdomReported employees: 51-200 | HQ not recorded; location: York, United Kingdom | 51-200 | Exact match | 116 contacts → |
“Microsoft Partner of the Year 2024, Simpson Associates is a Data Transformation and managed services provider that helps organisations from both the public and private sectors…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Aker Systemsakersystems.com HQ: HQ not recorded; location: Bicester, United KingdomReported employees: 51-200 | HQ not recorded; location: Bicester, United Kingdom | 51-200 | Exact match | 113 contacts → |
“Founded in 2017, Aker is a modern data solutions provider, with offerings ranging from cloud-based software platforms to standardised, repeatable services that assist and empower…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Calligocalligo.io HQ: HQ not recorded; location: Leicester, United KingdomReported employees: 201-500 | HQ not recorded; location: Leicester, United Kingdom | 201-500 | Exact match | 111 contacts → |
“Calligo transforms data into your most lucrative asset.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Brickred Technologies3pillarglobal.com HQ: HQ not recorded; location: Chessington, United KingdomReported employees: 501-1,000 | HQ not recorded; location: Chessington, United Kingdom | 501-1,000 | Exact match | 100 contacts → |
“BrickRed Technologies - A 3Pillar Global Company Every day, some of the world's most hardworking organizations rely on our software and engineering skills to serve their customers…” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Groupbwtgroupbwt.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 92 contacts → |
“GroupBWT is a consulting firm specializing in data management and the construction of data platforms.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AQB Solutions PVT LTDaqbsolutions.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 86 contacts → |
“aQb is a progressive web application development company that has been offering a range of IT solution services for over a decade.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Growth HUBgrowth-hub.com HQ: HQ not recorded; location: London, United KingdomReported employees: 51-200 | HQ not recorded; location: London, United Kingdom | 51-200 | Exact match | 84 contacts → |
“At Growth Hub, we help organisations streamline processes, harness data effectively, and make informed decisions.” Recorded description excerpt · September 1, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Data outsourcing companies: dataset insights
September 1, 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
874 records in the displayed employee bands.
6 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How 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 1, 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 ↗
Data outsourcing companies by metro
Questions about this company list
What does Exact match mean for data outsourcing companies?
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 data outsourcing companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 880 matching company records, 36,736 tracked contacts and 9,262 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 1, 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
Data outsourcing companies by geography
- Data outsourcing companies based in the United States
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- Data outsourcing companies based in Canada
- Data outsourcing companies based in Australia
- Data outsourcing companies based in France
- Data outsourcing companies based in Germany
- Data outsourcing companies based in the Netherlands
- Data outsourcing companies based in Italy
- Data outsourcing companies based in Spain
- Data outsourcing companies based in South Africa
- Data outsourcing companies based in Mexico
- Data outsourcing companies based in Poland
Cite this list
RevenueBase Data Team. Top 25 data outsourcing companies based in the United Kingdom. Snapshot: September 1, 2026. https://revenuebase.ai/companies/data-outsourcing-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Data outsourcing companies based in the United States
- Data outsourcing companies based in Brazil
- Data outsourcing companies based in Canada
- Data outsourcing companies based in Australia
- Data outsourcing companies based in France
- Data outsourcing companies based in Germany