Company lists · Data refreshed September 2026
Top 25 Big IT companies based in the United Kingdom
RevenueBase identified 149 company matches for big IT companies associated with the United Kingdom as of September 2026 and tracks 1,320 professional contacts across them, including 145 with verified work emails. London is the largest hub.
This list covers company matches for big IT 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 21, 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 big IT companies based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 404 contacts → | ||||
Exact match “HP UK creates new possibilities for technology to have a meaningful impact on people, businesses, governments and society.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 17 contacts → | ||||
Exact match “Huawei's products and services are available in more than 170 countries, and are used by a third of the world's population, ranking third in the world in mobile phone shipments in…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 13 contacts → | ||||
Exact match “Radiation monitoring systems engineered for environments where precision is everything Integrated hardware, software, and support, designed, engineered, and supported by a team…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 12 contacts → | ||||
Exact match “Mountfields Lodge School is a computer software company based out of Epinal Way, Loughborough, Leicestershire, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 8 contacts → | ||||
Exact match “MOMENTUM SOLAR LTD is a computer software company based out of 25 Balham High Rd, London, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 7 contacts → | ||||
Exact match “Bespin Labs was created by Paul Lees, CEO and founder, to develop Google Cloud solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 6 contacts → | ||||
Exact match “Apollo Technology is a leading-edge technology company that is committed to advancing the digital landscape.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 4 contacts → | ||||
Exact match “ESPARANZA LIMITED is a computer software company based out of 4 SCARLETTS ROAD WELLESLEY, ALDERSHOT, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 3 contacts → | ||||
Exact match “MLJ SYSTEMS LTD is a Computer Software company located South Wales, UK” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “Breezy Tech is a computer software company based out of Greenlands Business Centre, Studley Rd, Redditch, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “A Global Technology company specialized in Information Technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 2 contacts → | ||||
Exact match “A computer software company based out of West London, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “COOPER SOFTWARE LTD is a computer software company based out of ST DAVIDS HOUSE FIRST FLOOR, ST.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “ISG Computing is a company based out of 25 Trinity Fields Road, Retford, UK” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “CONTINENTAL SOFTWARE SERVICES LIMITED is a Computer Software company located in 63 SOUTH BRIDGE STREET, BATHGATE, WEST LOTHIAN, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 2 contacts → | ||||
Exact match “Red Lea Computer Consulting Limited is a computer software company based out of Moorfield House, Oxford Road, Gomersal West Yorkshire, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “ROUNDHOUSE SOFTWARE LIMITED is a Computer Software company located in 124 City Road, London, EC1V 2NX, United Kingdom, United Kingdom” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “As a specialist provider of software, technology and cloud solutions, we are always on the lookout for the latest trends and how they can benefit our clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “RAY SOLUTIONS LTD is a computer software company” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “WHITETHORN SOLUTIONS LTD is a computer software company based out of 1 WHITETHORN CRESCENT, WEST MIDLANDS, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “3AM SOLUTIONS (UK) LIMITED is a computer software company based out of IBEX HOUSE BAKER STREET, WEYBRIDGE, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “2T Solutions Limited is a computer software company based out of Forest Links Road, Ferndown, Dorset, England, BH22 9PH” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “MIKESZ LTD is a computer software company based out of 3RD FLOOR 207 REGENT STREET, LONDON, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “TWO RED SEVENS LIMITED is a computer software company based out of 55 Abingdon Rd, Standlake, OXFORDSHIRE, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “TECHNOLOGY PRODUCTS SOLUTIONS LIMITED is an information technology and services company based out of UNIT 3 HOOKSTONE CENTRE HOOKSTONE CHASE, HARROGATE, United Kingdom.” Recorded in the RevenueBase company graph · Sep 21, 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 “big IT 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 149 big IT companies based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 145 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Big IT companies based in the United Kingdom at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 149 companies.
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 “big IT 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 145 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 21, 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.
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 “big IT companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many big IT companies are there based in the United Kingdom?
RevenueBase identified 149 company matches for big IT 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?
HP UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most big IT companies?
London leads with 26 company records, followed by Edinburgh (5) and Basingstoke (2).
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 145 professional contacts with verified work emails tracked across these 149 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 21, 2026.
Ready to reach these companies? Verified emails and direct dials for all 149 big IT companies based in the United Kingdom. Start with a free account, no credit card.
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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
Company intelligence · public preview
Top 25 big IT 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 149 matching company records for big IT companies based in the United Kingdom, with 1,320 tracked contacts and 145 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 21, 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 big IT 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 | HP UKhp.co.uk HQ: Bracknell, United KingdomReported employees: 10001+ | Bracknell, United Kingdom | 10001+ | Exact match | 404 contacts → |
“HP UK creates new possibilities for technology to have a meaningful impact on people, businesses, governments and society.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Huawei Mobile UKconsumer.huawei.comHQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 17 contacts → |
“Huawei's products and services are available in more than 170 countries, and are used by a third of the world's population, ranking third in the world in mobile phone shipments in…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Charthouse Data Management LTDcharthouse.techHQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Radiation monitoring systems engineered for environments where precision is everything Integrated hardware, software, and support, designed, engineered, and supported by a team…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Mountfields Lodge Schoolmountfieldslodge.leics.sch.uk HQ: Loughborough, United KingdomReported employees: 51-200 | Loughborough, United Kingdom | 51-200 | Exact match | 12 contacts → |
“Mountfields Lodge School is a computer software company based out of Epinal Way, Loughborough, Leicestershire, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Momentum Solar LTDmomentumsolar.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 8 contacts → |
“MOMENTUM SOLAR LTD is a computer software company based out of 25 Balham High Rd, London, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bespin Labsbespinlabs.comHQ: Huddersfield, United KingdomReported employees: 51-200 | Huddersfield, United Kingdom | 51-200 | Exact match | 7 contacts → |
“Bespin Labs was created by Paul Lees, CEO and founder, to develop Google Cloud solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Apollo Technologyapollotechnology.co.ukHQ: Radstock, United KingdomReported employees: 11-50 | Radstock, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Apollo Technology is a leading-edge technology company that is committed to advancing the digital landscape.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Esparanza Limitedesparanza.co.ukHQ: Aldershot, United KingdomReported employees: 11-50 | Aldershot, United Kingdom | 11-50 | Exact match | 4 contacts → |
“ESPARANZA LIMITED is a computer software company based out of 4 SCARLETTS ROAD WELLESLEY, ALDERSHOT, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MLJ Systems LTDmljsystems.co.ukHQ: Swansea, United KingdomReported employees: 1-10 | Swansea, United Kingdom | 1-10 | Exact match | 3 contacts → |
“MLJ SYSTEMS LTD is a Computer Software company located South Wales, UK” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Breezy Techbreezytech.co.ukHQ: Redditch, United KingdomReported employees: 1-10 | Redditch, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Breezy Tech is a computer software company based out of Greenlands Business Centre, Studley Rd, Redditch, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vbyte IT Solutions LTDvbyte.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“A Global Technology company specialized in Information Technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Desert Monkeydesertmonkey.co.ukHQ: Hounslow, United KingdomReported employees: 1-10 | Hounslow, United Kingdom | 1-10 | Exact match | 2 contacts → |
“A computer software company based out of West London, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cooper Software LTDcoopersoftware.co.uk HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 2 contacts → |
“COOPER SOFTWARE LTD is a computer software company based out of ST DAVIDS HOUSE FIRST FLOOR, ST.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ISG Computingisgcomputing.co.ukHQ: Retford, United KingdomReported employees: 1-10 | Retford, United Kingdom | 1-10 | Exact match | 2 contacts → |
“ISG Computing is a company based out of 25 Trinity Fields Road, Retford, UK” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Continental Software Services Limitedcss-europe.comHQ: Bathgate, United KingdomReported employees: 1-10 | Bathgate, United Kingdom | 1-10 | Exact match | 2 contacts → |
“CONTINENTAL SOFTWARE SERVICES LIMITED is a Computer Software company located in 63 SOUTH BRIDGE STREET, BATHGATE, WEST LOTHIAN, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  RED LEA Computer Consulting Limitedredlea.comHQ: Gomersal, United KingdomReported employees: 1-10 | Gomersal, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Red Lea Computer Consulting Limited is a computer software company based out of Moorfield House, Oxford Road, Gomersal West Yorkshire, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Roundhouse Software Limitedroundhouse-sw.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“ROUNDHOUSE SOFTWARE LIMITED is a Computer Software company located in 124 City Road, London, EC1V 2NX, United Kingdom, United Kingdom” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Stac Solutions LTDstacsolutions.ioHQ: Sevenoaks, United KingdomReported employees: 1-10 | Sevenoaks, United Kingdom | 1-10 | Exact match | 2 contacts → |
“As a specialist provider of software, technology and cloud solutions, we are always on the lookout for the latest trends and how they can benefit our clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RAY Solutions LTDray-solutions.co.uk HQ: Lightwater, United KingdomReported employees: 11-50 | Lightwater, United Kingdom | 11-50 | Exact match | 1 contacts → |
“RAY SOLUTIONS LTD is a computer software company” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Whitethorn Solutions LTDwhitethorn.ltdHQ: West Midlands, United KingdomReported employees: 1-10 | West Midlands, United Kingdom | 1-10 | Exact match | 1 contacts → |
“WHITETHORN SOLUTIONS LTD is a computer software company based out of 1 WHITETHORN CRESCENT, WEST MIDLANDS, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  3am Solutions UK Limited3am-solutions.comHQ: Weybridge, United KingdomReported employees: 1-10 | Weybridge, United Kingdom | 1-10 | Exact match | 1 contacts → |
“3AM SOLUTIONS (UK) LIMITED is a computer software company based out of IBEX HOUSE BAKER STREET, WEYBRIDGE, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 2t Solutions2t-solutions.co.uk HQ: Dorset, United KingdomReported employees: 1-10 | Dorset, United Kingdom | 1-10 | Exact match | 1 contacts → |
“2T Solutions Limited is a computer software company based out of Forest Links Road, Ferndown, Dorset, England, BH22 9PH” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Mikesz LTDmikesz.comHQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“MIKESZ LTD is a computer software company based out of 3RD FLOOR 207 REGENT STREET, LONDON, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | TWO RED Sevens Limitedtworedsevens.com HQ: Standlake, United KingdomReported employees: 1-10 | Standlake, United Kingdom | 1-10 | Exact match | 1 contacts → |
“TWO RED SEVENS LIMITED is a computer software company based out of 55 Abingdon Rd, Standlake, OXFORDSHIRE, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Technology Products Solutions Limitedtpsl.co.uk HQ: Harrogate, United KingdomReported employees: 1-10 | Harrogate, United Kingdom | 1-10 | Exact match | 1 contacts → |
“TECHNOLOGY PRODUCTS SOLUTIONS LIMITED is an information technology and services company based out of UNIT 3 HOOKSTONE CENTRE HOOKSTONE CHASE, HARROGATE, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 149 company matches
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Big IT companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
143 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.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 149 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 21, 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 ↗
Questions about this company list
What does Exact match mean for big IT 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 big IT companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 149 matching company records, 1,320 tracked contacts and 145 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 21, 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
Big IT companies by geography
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 big IT companies based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/big-it-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
Company intelligence · public preview
Top 25 big IT companies based in the United Kingdom
RevenueBase records 149 matching company records for big IT companies based in the United Kingdom, with 1,320 tracked contacts and 145 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 21, 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 big IT 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 | HP UKhp.co.uk HQ: Bracknell, United KingdomReported employees: 10001+ | Bracknell, United Kingdom | 10001+ | Exact match | 404 contacts → |
“HP UK creates new possibilities for technology to have a meaningful impact on people, businesses, governments and society.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Huawei Mobile UKconsumer.huawei.com HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 17 contacts → |
“Huawei's products and services are available in more than 170 countries, and are used by a third of the world's population, ranking third in the world in mobile phone shipments in…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Charthouse Data Management LTDcharthouse.tech HQ: Poole, United KingdomReported employees: 11-50 | Poole, United Kingdom | 11-50 | Exact match | 13 contacts → |
“Radiation monitoring systems engineered for environments where precision is everything Integrated hardware, software, and support, designed, engineered, and supported by a team…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Mountfields Lodge Schoolmountfieldslodge.leics.sch.uk HQ: Loughborough, United KingdomReported employees: 51-200 | Loughborough, United Kingdom | 51-200 | Exact match | 12 contacts → |
“Mountfields Lodge School is a computer software company based out of Epinal Way, Loughborough, Leicestershire, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Momentum Solar LTDmomentumsolar.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 8 contacts → |
“MOMENTUM SOLAR LTD is a computer software company based out of 25 Balham High Rd, London, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bespin Labsbespinlabs.com HQ: Huddersfield, United KingdomReported employees: 51-200 | Huddersfield, United Kingdom | 51-200 | Exact match | 7 contacts → |
“Bespin Labs was created by Paul Lees, CEO and founder, to develop Google Cloud solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Apollo Technologyapollotechnology.co.uk HQ: Radstock, United KingdomReported employees: 11-50 | Radstock, United Kingdom | 11-50 | Exact match | 6 contacts → |
“Apollo Technology is a leading-edge technology company that is committed to advancing the digital landscape.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Esparanza Limitedesparanza.co.uk HQ: Aldershot, United KingdomReported employees: 11-50 | Aldershot, United Kingdom | 11-50 | Exact match | 4 contacts → |
“ESPARANZA LIMITED is a computer software company based out of 4 SCARLETTS ROAD WELLESLEY, ALDERSHOT, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MLJ Systems LTDmljsystems.co.uk HQ: Swansea, United KingdomReported employees: 1-10 | Swansea, United Kingdom | 1-10 | Exact match | 3 contacts → |
“MLJ SYSTEMS LTD is a Computer Software company located South Wales, UK” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Breezy Techbreezytech.co.uk HQ: Redditch, United KingdomReported employees: 1-10 | Redditch, United Kingdom | 1-10 | Exact match | 3 contacts → |
“Breezy Tech is a computer software company based out of Greenlands Business Centre, Studley Rd, Redditch, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vbyte IT Solutions LTDvbyte.co.uk HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 3 contacts → |
“A Global Technology company specialized in Information Technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Desert Monkeydesertmonkey.co.uk HQ: Hounslow, United KingdomReported employees: 1-10 | Hounslow, United Kingdom | 1-10 | Exact match | 2 contacts → |
“A computer software company based out of West London, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Cooper Software LTDcoopersoftware.co.uk HQ: Dunfermline, United KingdomReported employees: 51-200 | Dunfermline, United Kingdom | 51-200 | Exact match | 2 contacts → |
“COOPER SOFTWARE LTD is a computer software company based out of ST DAVIDS HOUSE FIRST FLOOR, ST.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ISG Computingisgcomputing.co.uk HQ: Retford, United KingdomReported employees: 1-10 | Retford, United Kingdom | 1-10 | Exact match | 2 contacts → |
“ISG Computing is a company based out of 25 Trinity Fields Road, Retford, UK” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Continental Software Services Limitedcss-europe.com HQ: Bathgate, United KingdomReported employees: 1-10 | Bathgate, United Kingdom | 1-10 | Exact match | 2 contacts → |
“CONTINENTAL SOFTWARE SERVICES LIMITED is a Computer Software company located in 63 SOUTH BRIDGE STREET, BATHGATE, WEST LOTHIAN, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RED LEA Computer Consulting Limitedredlea.com HQ: Gomersal, United KingdomReported employees: 1-10 | Gomersal, United Kingdom | 1-10 | Exact match | 2 contacts → |
“Red Lea Computer Consulting Limited is a computer software company based out of Moorfield House, Oxford Road, Gomersal West Yorkshire, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Roundhouse Software Limitedroundhouse-sw.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 2 contacts → |
“ROUNDHOUSE SOFTWARE LIMITED is a Computer Software company located in 124 City Road, London, EC1V 2NX, United Kingdom, United Kingdom” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Stac Solutions LTDstacsolutions.io HQ: Sevenoaks, United KingdomReported employees: 1-10 | Sevenoaks, United Kingdom | 1-10 | Exact match | 2 contacts → |
“As a specialist provider of software, technology and cloud solutions, we are always on the lookout for the latest trends and how they can benefit our clients.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | RAY Solutions LTDray-solutions.co.uk HQ: Lightwater, United KingdomReported employees: 11-50 | Lightwater, United Kingdom | 11-50 | Exact match | 1 contacts → |
“RAY SOLUTIONS LTD is a computer software company” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Whitethorn Solutions LTDwhitethorn.ltd HQ: West Midlands, United KingdomReported employees: 1-10 | West Midlands, United Kingdom | 1-10 | Exact match | 1 contacts → |
“WHITETHORN SOLUTIONS LTD is a computer software company based out of 1 WHITETHORN CRESCENT, WEST MIDLANDS, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 3am Solutions UK Limited3am-solutions.com HQ: Weybridge, United KingdomReported employees: 1-10 | Weybridge, United Kingdom | 1-10 | Exact match | 1 contacts → |
“3AM SOLUTIONS (UK) LIMITED is a computer software company based out of IBEX HOUSE BAKER STREET, WEYBRIDGE, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 2t Solutions2t-solutions.co.uk HQ: Dorset, United KingdomReported employees: 1-10 | Dorset, United Kingdom | 1-10 | Exact match | 1 contacts → |
“2T Solutions Limited is a computer software company based out of Forest Links Road, Ferndown, Dorset, England, BH22 9PH” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mikesz LTDmikesz.com HQ: London, United KingdomReported employees: 1-10 | London, United Kingdom | 1-10 | Exact match | 1 contacts → |
“MIKESZ LTD is a computer software company based out of 3RD FLOOR 207 REGENT STREET, LONDON, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | TWO RED Sevens Limitedtworedsevens.com HQ: Standlake, United KingdomReported employees: 1-10 | Standlake, United Kingdom | 1-10 | Exact match | 1 contacts → |
“TWO RED SEVENS LIMITED is a computer software company based out of 55 Abingdon Rd, Standlake, OXFORDSHIRE, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Technology Products Solutions Limitedtpsl.co.uk HQ: Harrogate, United KingdomReported employees: 1-10 | Harrogate, United Kingdom | 1-10 | Exact match | 1 contacts → |
“TECHNOLOGY PRODUCTS SOLUTIONS LIMITED is an information technology and services company based out of UNIT 3 HOOKSTONE CENTRE HOOKSTONE CHASE, HARROGATE, United Kingdom.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 149 company matches
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Big IT companies: dataset insights
September 21, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
143 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.
Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 149 companies.
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.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
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 21, 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 ↗
Questions about this company list
What does Exact match mean for big IT 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 big IT companies did RevenueBase find based in the United Kingdom?
The saved snapshot records 149 matching company records, 1,320 tracked contacts and 145 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 21, 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
Big IT companies by geography
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Cite this list
RevenueBase Data Team. Top 25 big IT companies based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/big-it-companies/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗