Top mid-market PE firms in the UK.
The 25 largest mid-market buyout and growth investors headquartered in the UK, covering firms that manage €500M to €14B. Every profile hand-checked from public filings. Updated weekly.
| # | GP | AUM |
|---|---|---|
| 1 | Montagu Private Equity | €14.0B |
| 2 | IK Partners | €13.8B |
| 3 | Oakley Capital | €12.7B |
| 4 | Terra Firma | €11.3B |
| 5 | Inflexion | €11.0B |
| 6 | Investindustrial | €11.0B |
| 7 | GHO Capital | €9.0B |
| 8 | Charterhouse Capital Partners | €7.0B |
| 9 | EMK Capital | €7.0B |
| 10 | Equistone Partners Europe | €4.8B |
| 11 | Livingbridge | €4.4B |
| 12 | Exponent Private Equity | €4.4B |
| 13 | Caledonia Investments | €3.5B |
| 14 | G Square Healthcare PE | €3.3B |
| 15 | Epiris | €3.2B |
| 16 | Duke Street | €3.0B |
| 17 | Stirling Square Capital Partners | €3.0B |
| 18 | Alchemy Partners | €2.9B |
| 19 | ECI Partners | €2.8B |
| 20 | Bowmark Capital | €2.3B |
| 21 | Apis Partners Group | €2.1B |
| 22 | Synova | €2.0B |
| 23 | AnaCap Financial Partners | €1.9B |
| 24 | Mayfair Equity Partners | €1.9B |
| 25 | Endless | €1.8B |
Common questions.
Who is the largest mid-market private equity firm in the UK?
Montagu Private Equity is the largest mid-market private equity firm headquartered in the UK in the GP Intel database, with €14.0B in assets under management.
What counts as mid-market private equity?
Definitions vary by fund size and deal size. This ranking uses a stated, reproducible band: firms managing between €500M to €14B in assets. GP Intel tracks 53 verified UK buyout and growth firms inside that band.
How is this ranking compiled?
Firms are ranked by assets under management, sourced from public disclosures and annual reports, with aggregate fund sizes used when standalone AUM is not published. Only hand-verified firm profiles are included. Venture-only and real-estate-only managers are excluded.
Other rankings
Browse the full database
1,000+ European GPs with fund histories, portfolio companies, exit buyers (Pro), and verified events.