Company lists · Data refreshed September 2026
Top 25 Upper middle market private equity firms based in the United Kingdom
RevenueBase identified 820 company matches for upper middle market private equity firms associated with the United Kingdom as of September 2026 and tracks 14,826 professional contacts across them, including 7,789 with verified work emails. London is the largest hub.
This list covers company matches for upper middle market private equity firms 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 upper middle market private equity firms based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 797 contacts → | ||||
Exact match “ICG (LSE: ICG) is a global alternative asset manager with $126bn* in AUM and more than three decades of experience generating attractive returns.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 629 contacts → | ||||
Exact match “Permira is a global investment firm that backs successful businesses with growth ambitions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 553 contacts → | ||||
Exact match “Bridgepoint Group is one of the world's leading mid-market investors, specialising in private equity, infrastructure, credit, secondaries and private wealth.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 536 contacts → | ||||
Exact match “For over 40 years, LDC has been the trusted investment partner for ambitious management teams.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 469 contacts → | ||||
Exact match “We identify the hidden value in companies that are often in challenging or complex situations, but have a strong core offering.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 376 contacts → | ||||
Exact match “Coller Capital, founded in 1990, is one of the world's leading investors in the secondary market for private assets – and widely acknowledged as an innovator in secondaries.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 337 contacts → | ||||
Exact match “3i is a leading international investment company with two complementary businesses, Private Equity and Infrastructure, specialising in core investment markets in northern Europe…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 333 contacts → | ||||
Exact match “BC Partners is an international investment firm that offers select, focused investment strategies designed to complement each other and create synergies that benefit our investors.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 328 contacts → | ||||
Exact match “AURELIUS is a global alternative investor, distinguished and widely recognised for its operational approach.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 301 contacts → | ||||
Exact match “EPIC Investment Partners is an independent investment, administration and advisory firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 294 contacts → | ||||
Exact match “We are a leading pure-play, international private equity firm that has been investing for nearly 50 years.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 277 contacts → | ||||
Exact match “Hayfin Capital Management is a leading alternative asset management firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 276 contacts → | ||||
Exact match “BGF is the most active and influential investor in small and mid-sized businesses in the UK.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 273 contacts → | ||||
Exact match “IK Partners (“IK”) is a European private equity firm focused on investments in the Benelux, DACH, France, Nordics and the UK.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 258 contacts → | ||||
Exact match “Triple Point believes in the power of connections.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 248 contacts → | ||||
Exact match “Investindustrial is a leading European investment firm, founded in 1990, with €17 billion of raised fund capital.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 214 contacts → | ||||
Exact match “Inflexion is a leading European mid-market private equity firm with €20bn under management investing in high growth, entrepreneurial businesses with ambitious management teams and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 187 contacts → | ||||
Exact match “Vitruvian Partners is an international investment firm that supports the most ambitious and talented entrepreneurs and higher growth companies to achieve their goals.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 153 contacts → | ||||
Exact match “Park Square Capital is one of Europe’s leading private credit investors, providing mid-market direct loans, large-sized senior debt and junior capital solutions to high-quality…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 130 contacts → | ||||
Exact match “Welcome to Walter Scott.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 111 contacts → | ||||
Exact match “CVC Secondary Partners is a private equity strategy focused on secondary private markets globally.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 109 contacts → | ||||
Exact match “TDR is a leading private equity firm with over €16 billion of assets under management and typically invests in strong European companies that are leaders in their markets.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 109 contacts → | ||||
Exact match “Terra Firma drives value creation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 98 contacts → | ||||
Exact match “EMK Capital is a growth-focused private equity firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 98 contacts → | ||||
Exact match “Livingbridge is a leading mid-market private equity firm.” 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 “upper middle market private equity firms”. 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 820 upper middle market private equity firms based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 7,789 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Upper middle market private equity firms 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 820 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 “upper middle market private equity firms” 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 7,789 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 “upper middle market private equity firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many upper middle market private equity firms are there based in the United Kingdom?
RevenueBase identified 820 company matches for upper middle market private equity firms 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?
ICG tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most upper middle market private equity firms?
London leads with 588 company records, followed by Leeds (11) and Manchester (11).
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 7,789 professional contacts with verified work emails tracked across these 820 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 820 upper middle market private equity firms based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Upper middle market private equity firms by geography
- Upper middle market private equity firms based in Calgary, Canada
- Upper middle market private equity firms based in Montreal, Canada
- Upper middle market private equity firms based in Toronto, Canada
- Upper middle market private equity firms based in Vancouver, Canada
- Upper middle market private equity firms based in Berlin, Germany
- Upper middle market private equity firms based in Munich, Germany
- Upper middle market private equity firms based in Atlanta, United States
- Upper middle market private equity firms based in Austin, United States
- Upper middle market private equity firms based in Beverly Hills, United States
- Upper middle market private equity firms based in Birmingham, United States
- Upper middle market private equity firms based in Boca Raton, United States
- Upper middle market private equity firms based in Boston, United States
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
- Upper middle market private equity firms based in Calgary, Canada
- Upper middle market private equity firms based in Montreal, Canada
- Upper middle market private equity firms based in Toronto, Canada
- Upper middle market private equity firms based in Vancouver, Canada
- Upper middle market private equity firms based in Berlin, Germany
- Upper middle market private equity firms based in Munich, Germany
Company intelligence · public preview
Top 25 upper middle market private equity firms 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 820 matching company records for upper middle market private equity firms based in the United Kingdom, with 14,826 tracked contacts and 7,789 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 upper middle market private equity firms 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 |  ICGicgam.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 797 contacts → |
“ICG (LSE: ICG) is a global alternative asset manager with $126bn* in AUM and more than three decades of experience generating attractive returns.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Permirapermira.comHQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 629 contacts → |
“Permira is a global investment firm that backs successful businesses with growth ambitions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bridgepoint Groupbridgepointgroup.comHQ: West End, United KingdomReported employees: 201-500 | West End, United Kingdom | 201-500 | Exact match | 553 contacts → |
“Bridgepoint Group is one of the world's leading mid-market investors, specialising in private equity, infrastructure, credit, secondaries and private wealth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LDCldc.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 536 contacts → |
“For over 40 years, LDC has been the trusted investment partner for ambitious management teams.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Privet Capital LLPprivetcapital.co.ukHQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 469 contacts → |
“We identify the hidden value in companies that are often in challenging or complex situations, but have a strong core offering.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Coller Capitalcollercapital.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 376 contacts → |
“Coller Capital, founded in 1990, is one of the world's leading investors in the secondary market for private assets – and widely acknowledged as an innovator in secondaries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  3i Group PLC3i.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 337 contacts → |
“3i is a leading international investment company with two complementary businesses, Private Equity and Infrastructure, specialising in core investment markets in northern Europe…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BC Partnersbcpartners.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 333 contacts → |
“BC Partners is an international investment firm that offers select, focused investment strategies designed to complement each other and create synergies that benefit our investors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aureliusaurelius-group.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 328 contacts → |
“AURELIUS is a global alternative investor, distinguished and widely recognised for its operational approach.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Epic Investment Partnersepicip.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 301 contacts → |
“EPIC Investment Partners is an independent investment, administration and advisory firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Cinvencinven.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 294 contacts → |
“We are a leading pure-play, international private equity firm that has been investing for nearly 50 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hayfin Capital Management LLPhayfin.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 277 contacts → |
“Hayfin Capital Management is a leading alternative asset management firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  BGFbgf.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 276 contacts → |
“BGF is the most active and influential investor in small and mid-sized businesses in the UK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  IK Partnersikpartners.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 273 contacts → |
“IK Partners (“IK”) is a European private equity firm focused on investments in the Benelux, DACH, France, Nordics and the UK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Triple Pointtriplepoint.co.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 258 contacts → |
“Triple Point believes in the power of connections.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Investindustrialinvestindustrial.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 248 contacts → |
“Investindustrial is a leading European investment firm, founded in 1990, with €17 billion of raised fund capital.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Inflexioninflexion.comHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 214 contacts → |
“Inflexion is a leading European mid-market private equity firm with €20bn under management investing in high growth, entrepreneurial businesses with ambitious management teams and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Vitruvian Partnersvitruvianpartners.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 187 contacts → |
“Vitruvian Partners is an international investment firm that supports the most ambitious and talented entrepreneurs and higher growth companies to achieve their goals.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Park Square Capitalparksquarecapital.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 153 contacts → |
“Park Square Capital is one of Europe’s leading private credit investors, providing mid-market direct loans, large-sized senior debt and junior capital solutions to high-quality…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Walter Scottwalterscott.comHQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 130 contacts → |
“Welcome to Walter Scott.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  CVC Secondary Partnerscvc.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 111 contacts → |
“CVC Secondary Partners is a private equity strategy focused on secondary private markets globally.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  TDR Capitaltdrcapital.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 109 contacts → |
“TDR is a leading private equity firm with over €16 billion of assets under management and typically invests in strong European companies that are leaders in their markets.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Terra Firmaterrafirma.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 109 contacts → |
“Terra Firma drives value creation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  EMK Capitalemkcapital.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 98 contacts → |
“EMK Capital is a growth-focused private equity firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Livingbridgelivingbridge.comHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Livingbridge is a leading mid-market private equity firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 820 company matches
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Upper middle market private equity firms: 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
818 records in the displayed employee bands.
2 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 820 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 upper middle market private equity firms?
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 upper middle market private equity firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 820 matching company records, 14,826 tracked contacts and 7,789 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
Upper middle market private equity firms by geography
- Upper middle market private equity firms based in Calgary, Canada
- Upper middle market private equity firms based in Montreal, Canada
- Upper middle market private equity firms based in Toronto, Canada
- Upper middle market private equity firms based in Vancouver, Canada
- Upper middle market private equity firms based in Berlin, Germany
- Upper middle market private equity firms based in Munich, Germany
- Upper middle market private equity firms based in Atlanta, United States
- Upper middle market private equity firms based in Austin, United States
- Upper middle market private equity firms based in Beverly Hills, United States
- Upper middle market private equity firms based in Birmingham, United States
- Upper middle market private equity firms based in Boca Raton, United States
- Upper middle market private equity firms based in Boston, United States
Cite this list
RevenueBase Data Team. Top 25 upper middle market private equity firms based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/upper-middle-market-private-equity-firms/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
- Upper middle market private equity firms based in Calgary, Canada
- Upper middle market private equity firms based in Montreal, Canada
- Upper middle market private equity firms based in Toronto, Canada
- Upper middle market private equity firms based in Vancouver, Canada
- Upper middle market private equity firms based in Berlin, Germany
- Upper middle market private equity firms based in Munich, Germany
Company intelligence · public preview
Top 25 upper middle market private equity firms based in the United Kingdom
RevenueBase records 820 matching company records for upper middle market private equity firms based in the United Kingdom, with 14,826 tracked contacts and 7,789 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 upper middle market private equity firms 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 | ICGicgam.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 797 contacts → |
“ICG (LSE: ICG) is a global alternative asset manager with $126bn* in AUM and more than three decades of experience generating attractive returns.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Permirapermira.com HQ: London, United KingdomReported employees: 501-1,000 | London, United Kingdom | 501-1,000 | Exact match | 629 contacts → |
“Permira is a global investment firm that backs successful businesses with growth ambitions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bridgepoint Groupbridgepointgroup.com HQ: West End, United KingdomReported employees: 201-500 | West End, United Kingdom | 201-500 | Exact match | 553 contacts → |
“Bridgepoint Group is one of the world's leading mid-market investors, specialising in private equity, infrastructure, credit, secondaries and private wealth.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LDCldc.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 536 contacts → |
“For over 40 years, LDC has been the trusted investment partner for ambitious management teams.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Privet Capital LLPprivetcapital.co.uk HQ: London, United KingdomReported employees: Not recorded | London, United Kingdom | Not recorded | Exact match | 469 contacts → |
“We identify the hidden value in companies that are often in challenging or complex situations, but have a strong core offering.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Coller Capitalcollercapital.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 376 contacts → |
“Coller Capital, founded in 1990, is one of the world's leading investors in the secondary market for private assets – and widely acknowledged as an innovator in secondaries.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 3i Group PLC3i.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 337 contacts → |
“3i is a leading international investment company with two complementary businesses, Private Equity and Infrastructure, specialising in core investment markets in northern Europe…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BC Partnersbcpartners.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 333 contacts → |
“BC Partners is an international investment firm that offers select, focused investment strategies designed to complement each other and create synergies that benefit our investors.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aureliusaurelius-group.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 328 contacts → |
“AURELIUS is a global alternative investor, distinguished and widely recognised for its operational approach.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Epic Investment Partnersepicip.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 301 contacts → |
“EPIC Investment Partners is an independent investment, administration and advisory firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Cinvencinven.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 294 contacts → |
“We are a leading pure-play, international private equity firm that has been investing for nearly 50 years.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hayfin Capital Management LLPhayfin.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 277 contacts → |
“Hayfin Capital Management is a leading alternative asset management firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | BGFbgf.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 276 contacts → |
“BGF is the most active and influential investor in small and mid-sized businesses in the UK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | IK Partnersikpartners.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 273 contacts → |
“IK Partners (“IK”) is a European private equity firm focused on investments in the Benelux, DACH, France, Nordics and the UK.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Triple Pointtriplepoint.co.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 258 contacts → |
“Triple Point believes in the power of connections.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Investindustrialinvestindustrial.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 248 contacts → |
“Investindustrial is a leading European investment firm, founded in 1990, with €17 billion of raised fund capital.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Inflexioninflexion.com HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 214 contacts → |
“Inflexion is a leading European mid-market private equity firm with €20bn under management investing in high growth, entrepreneurial businesses with ambitious management teams and…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vitruvian Partnersvitruvianpartners.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 187 contacts → |
“Vitruvian Partners is an international investment firm that supports the most ambitious and talented entrepreneurs and higher growth companies to achieve their goals.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Park Square Capitalparksquarecapital.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 153 contacts → |
“Park Square Capital is one of Europe’s leading private credit investors, providing mid-market direct loans, large-sized senior debt and junior capital solutions to high-quality…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Walter Scottwalterscott.com HQ: Edinburgh, United KingdomReported employees: 51-200 | Edinburgh, United Kingdom | 51-200 | Exact match | 130 contacts → |
“Welcome to Walter Scott.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | CVC Secondary Partnerscvc.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 111 contacts → |
“CVC Secondary Partners is a private equity strategy focused on secondary private markets globally.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | TDR Capitaltdrcapital.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 109 contacts → |
“TDR is a leading private equity firm with over €16 billion of assets under management and typically invests in strong European companies that are leaders in their markets.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Terra Firmaterrafirma.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 109 contacts → |
“Terra Firma drives value creation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | EMK Capitalemkcapital.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 98 contacts → |
“EMK Capital is a growth-focused private equity firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Livingbridgelivingbridge.com HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 98 contacts → |
“Livingbridge is a leading mid-market private equity firm.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Upper middle market private equity firms: 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
818 records in the displayed employee bands.
2 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 820 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 upper middle market private equity firms?
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 upper middle market private equity firms did RevenueBase find based in the United Kingdom?
The saved snapshot records 820 matching company records, 14,826 tracked contacts and 7,789 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
Upper middle market private equity firms by geography
- Upper middle market private equity firms based in Calgary, Canada
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- Upper middle market private equity firms based in Munich, Germany
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- Upper middle market private equity firms based in Boston, United States
Cite this list
RevenueBase Data Team. Top 25 upper middle market private equity firms based in the United Kingdom. Snapshot: September 21, 2026. https://revenuebase.ai/companies/upper-middle-market-private-equity-firms/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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- Upper middle market private equity firms based in Calgary, Canada
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- Upper middle market private equity firms based in Munich, Germany