Ranking the Top 20 Private Equity Firms in London

Ranking the Top 20 Private Equity Firms in London

London remains the second-largest private equity market in the world after New York, with the largest concentration of PE capital in Europe. The firms below represent the most active private equity managers operating from London, ranked broadly by assets under management and deal activity. The list covers the global mega-cap firms, the European mid-market specialists, and the UK-headquartered houses that together define the London PE landscape.

Private equity firms are listed in alphabetical order. None of the firms have paid for inclusion. The information presented reflects publicly available sources including the British Private Equity & Venture Capital Association, firm websites, and industry coverage. AUM figures are approximate and change frequently.

How This List Was Compiled

Inclusion criteria were straightforward. The firm operates from a London office with a meaningful investment team. The firm manages PE strategies (buyout, growth, or both) rather than purely venture capital. The firm has either UK headquarters or a global office in London with primary deal-making authority. The 20 firms below sit across the full size spectrum from sub-£500m mid-market specialists through to the global mega-cap houses with multi-billion-pound flagship funds.

The Firms

3i Group

FTSE 100-listed investment company headquartered in London with a private equity strategy focused on European mid-market buyouts. 3i is one of the longest-established names in UK private equity, with portfolio companies spanning consumer, industrial, business services, and healthcare. The firm operates a permanent capital model through its listed structure, which differentiates it from the typical fund-cycle PE house. Portfolio company appointments tend to be senior commercial leadership at growth-stage businesses.

Advent International

Boston-headquartered global private equity firm with a long-established London office driving its European deal activity. Advent invests across multiple sectors with particular strength in financial services, healthcare, business services, and technology. The London team handles European mid-cap and large-cap buyouts. Portfolio company senior leadership appointments are a regular feature given the active management approach Advent applies to portfolio firms.

Apax Partners

Global private equity firm with London at the centre of its operations. Apax invests across four core sectors — tech, services, healthcare, and internet/consumer — with a focus on growth-orientated investments at the larger end of the mid-market and into large-cap. The firm has been one of the most active UK-headquartered PE houses for several decades and has built a strong reputation for sector-specialist investing.

Apollo Global Management

NYSE-listed global alternative asset manager with a major London office covering European private equity, credit, and infrastructure. Apollo’s PE strategy is value-orientated and counter-cyclical, with appetite for complex situations including carve-outs, turnarounds, and distressed opportunities. The London team handles a meaningful share of Apollo’s European deal flow. Senior portfolio appointments often involve operational executives with turnaround or transformation track records.

BC Partners

European private equity firm headquartered in London with offices across major European cities and New York. BC Partners invests in mid-market and large-cap buyouts across business services, consumer, industrials, healthcare, and TMT. The firm has been one of the most consistently active European PE houses over multiple decades, with portfolio companies spanning the full range of European geographies. London is the firm’s principal office.

Bridgepoint

London-headquartered listed PE firm focused on European middle-market investing. Bridgepoint’s flagship strategy covers mid-market buyouts across business services, consumer, financial services, healthcare, and technology, with a growth-orientated investment approach. The firm has continued to scale its European franchise and is one of the most active mid-market houses operating from London.

Carlyle Group

NASDAQ-listed global alternative asset manager with one of the largest London offices among the global PE majors. Carlyle’s European PE strategy covers buyouts across consumer and retail, industrials, financial services, healthcare, and TMT. The firm has been investing in Europe for decades and has built a portfolio that spans the full size spectrum from mid-market through to large-cap deals.

Charterhouse Capital Partners

One of the oldest established London-headquartered PE firms, Charterhouse focuses on European mid-market and large-cap buyouts with a sector focus on business services, healthcare, specialty industrials, and consumer. The firm typically takes majority control positions and works actively with portfolio company management to drive growth and operational improvement.

Cinven

European private equity firm headquartered in London with offices across Europe and the US. Cinven invests in pan-European large-cap buyouts across six sectors — business services, consumer, financial services, healthcare, industrials, and TMT. The firm has been a top-tier European PE house for over two decades and continues to be one of the most active in large-cap European dealmaking.

CVC Capital Partners

One of the largest PE firms in Europe with multiple offices including a major presence in London. CVC’s flagship strategy is European and global buyouts at the large-cap end of the market, with the firm also operating credit, secondaries, and growth strategies. Portfolio companies span the full sector range and the firm regularly handles deals at the very top of the European PE market.

EQT Partners

Sweden-headquartered global private equity firm with a major London office driving UK and European deal activity. EQT operates across PE, infrastructure, and credit strategies with a focus on industrial tech, healthcare, and technology. The London office handles a meaningful share of European mid-market and large-cap deals. EQT’s listed parent provides additional capital flexibility relative to traditional fund-cycle peers.

Equistone Partners Europe

London-headquartered European mid-market PE firm focused on buyouts in the £50m–£500m enterprise value range. Equistone invests across business services, industrials, consumer, and healthcare with a particular focus on the UK, France, Germany, and the Nordics. The firm’s mid-market positioning makes it one of the most active deal-doers in the European PE market.

HgCapital (Hg)

London-headquartered private equity firm focused exclusively on software and technology services investments. Hg has built one of the most specialist franchises in European technology PE, with a portfolio of B2B software businesses across the UK, Europe, and increasingly North America. The sector focus has made Hg one of the largest European technology investors and a regular bidder on UK and European software assets.

Inflexion Private Equity

London-headquartered mid-market PE firm focused on the UK market with appetite for growth-orientated investments in services, technology, healthcare, and consumer. Inflexion has been one of the most active UK mid-market houses over the past decade and operates multiple strategies including buyout, partnership capital, and enterprise funds across different deal sizes.

KKR

NYSE-listed global investment firm with one of the largest London offices in PE. KKR’s European PE strategy covers large-cap buyouts across consumer, industrials, healthcare, financial services, and TMT, with the firm also operating credit, infrastructure, and real estate strategies from London. KKR has been one of the most consistently active large-cap European dealmakers over decades.

LDC (Lloyds Development Capital)

The mid-market PE arm of Lloyds Banking Group, headquartered in London with regional offices across the UK. LDC focuses on UK mid-market investments typically at the £10m–£300m enterprise value range, with a generalist sector approach. LDC has been one of the most consistent UK mid-market backers and is a regular partner to UK management teams seeking growth capital or buy-out support.

Livingbridge

London-headquartered mid-market PE firm focused on the UK and US markets with a particular emphasis on technology, healthcare, services, and consumer. Livingbridge typically invests in growing businesses at the £50m–£300m enterprise value range and is one of the more active mid-market houses operating from London. The firm operates multiple fund strategies across different deal sizes.

Permira

London-headquartered global PE firm with offices across Europe, North America, and Asia. Permira’s flagship strategy covers large-cap buyouts in five sectors — technology, consumer, services, healthcare, and climate. The firm has been one of the largest European PE houses for several decades and continues to operate at the very top of the European large-cap deal market.

TA Associates

Boston-headquartered growth PE firm with a long-established London office driving European deal activity. TA focuses on growth investments in technology, financial services, healthcare, business services, and consumer. The firm’s growth-orientated minority and majority investment approach differentiates it from traditional control-buyout houses. Portfolio companies tend to be high-growth businesses where the firm partners with founder-CEOs.

Vitruvian Partners

London-headquartered European growth PE firm focused on technology and services businesses at the mid-market end. Vitruvian has built a strong reputation as a growth-orientated investor across the UK and European software, fintech, e-commerce, and services landscape. The firm typically backs management teams scaling growth-stage businesses through expansion phases.

Senior Hiring Patterns in London Private Equity

PE-backed senior leadership hiring has its own logic that differs from corporate executive search. The investment horizon typically runs three to seven years, which compresses the timeline within which a CEO or CFO needs to deliver value creation. PE sponsors look for senior executives who have either run a PE-backed business before or who have operated at the scale and complexity the portfolio company is moving toward.

The standard PE senior hire profile combines three things: technical and commercial track record at relevant scale, capacity to execute against a 100-day plan and a longer value-creation roadmap, and the personal characteristics to work productively with a board that includes the PE sponsor. The chemistry between the CEO and the sponsor partner sits at the centre of the working relationship and is one of the most important assessment criteria a search needs to address.

Operating partners — the senior executives PE firms recruit to work across the portfolio rather than into a single company — are a second senior recruitment market. Operating partners typically bring experience from CEO, COO, or CFO roles at multiple companies and play a hands-on role in portfolio company governance, value creation, and executive selection. The operating partner market has grown across most of the firms above as the PE model has evolved toward more active portfolio management.

How PE Senior Recruitment Works

Most PE-backed senior appointments at the firms above run through a retained executive search process. The PE sponsor typically defines the brief jointly with the portfolio company chair or board, with the search firm running the candidate identification, assessment, and shortlist preparation. Timeline from brief to offer is typically 12 to 16 weeks, sometimes longer at the largest end where the candidate pool requires international search.

Pre-deal senior recruitment is a related but distinct market. PE firms increasingly run senior recruitment during the diligence phase of an acquisition, with the goal of having a new CEO or CFO available to step in shortly after close. This compresses the timeline and changes the dynamics of the search — confidentiality around the underlying deal is critical and the search firm typically works closely with the deal team rather than with the target’s existing management.

Operating partner appointments tend to follow a different process again. These are firm-level appointments rather than portfolio company appointments, with the firm itself making the hiring decision. The candidate pool is typically experienced CEOs and CFOs of PE-backed businesses who are between roles or moving from operating into portfolio-level engagement. The search firm working on operating partner mandates needs to understand the firm’s investment thesis and sector focus in detail.