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Private Equity Companies in London: 7,800+ Active Firms (2026)
Private equity firms in London invest institutional capital into private companies, from growth-stage businesses to buyouts.
Buying centres tend to sit with investment committees, partner groups, portfolio operations teams and institutional allocator relationships, rather than a single procurement function. London managers in this category serve pension capital, professional investors, family-office-style capital pools and private company owners seeking growth funding, buyout succession or transaction advice. Engagements are high-touch and relationship-led: diligence, valuation, structuring, monitoring and exit planning matter as much as origination. The operating shape is therefore closer to fund management and advisory services than to a volume financial product, with European and international deal activity often handled from a London base.
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London has 7,817 actively trading private equity firms in this list, making the capital’s private-markets cluster a sizeable pool of managers, advisers and portfolio support entities rather than a narrow buyout-only segment. Reported headcount totals 786 people, which points to a visible employment footprint but also to a market where many entities may be management vehicles, advisory companies or compact specialist teams. The cohort contains both operating-scale managers and younger entities, so revenue ranking is a cleaner guide to the largest firms than incorporation age or simple entity count.
Fund managers and investment advisers usually operate around a regulated perimeter shaped by who controls capital, who gives advice and how interests are marketed to professional investors. Buyout and growth-capital work also brings less formal market-structure constraints: limited-partner reporting cycles, valuation governance, conflicts procedures and portfolio-company oversight. London’s role as an allocator and advisory centre means some entities look like fund managers, while others are transaction advisers or operating partners attached to private company acquisitions. That split matters, because regulatory exposure tends to follow the activity performed rather than the private equity label.
Newer entrants appear numerous, but the operating burden favours managers with repeatable fundraising relationships, credible reporting processes and the capacity to support portfolio companies between transactions. Smaller advisory and deal-originating entities may remain compact, while larger managers tend to add portfolio operations, compliance and investor-relations functions as mandates become more institutional. Fee pressure and longer exit timetables have been pushing attention toward value creation inside existing holdings rather than relying on buoyant sale markets. London should remain attractive for cross-border private markets work, though not every entity in the cohort will develop into a full fund-management platform.
7,817
Active firms
2026
184
£5M+ revenue
larger revenue band
2,823
New since 2022
recent incorporations
Key facts
About 2% of the trading cohort reports turnover above £5M (184 of 7,817 firms) — the rest sits below that revenue band.
36% of the cohort was incorporated since 2022 (2,823 firms), so a sizeable share is in its first few filing cycles.
Private equity buyers tend to split spending across deal origination, due diligence, portfolio operations, finance, compliance and investor reporting.
London’s market includes investment vehicles, fund managers and diversified operating groups, so supplier qualification often needs activity-level segmentation rather than a single private-equity label.
Compliance workload often sits around anti-money-laundering checks, investor onboarding, valuation governance and reporting controls.
Origination-led teams tend to prioritise market mapping and diligence tooling, while portfolio-operations teams usually buy finance, people, procurement and analytics services.
Top London private equity companies
GREAT HILL PARTNERS UK LLP
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides private equity investment to high‑growth companies, focusing on sectors including software, financial services, healthcare, consumer, and business services. Partners with management teams to…
Serves institutional limited partners and high-growth businesses seeking private equity investment, focused on software, financial services, healthcare, consumer and business services.
Financial Health
StrongStrong · Hiring · 33% CAGR over 1y
Location
Operates as an investment and fund management business focused on private equity and infrastructure. Invests in and manages stakes in mid‑market companies and infrastructure assets, overseeing…
Serves institutional investors and shareholders, and invests in mid-market businesses in Europe and North America, particularly companies in consumer, private label, healthcare, industrial services…
Location
Operates a private equity investment firm that raises and manages funds to acquire stakes in companies across sectors such as business services, consumer, financial services, healthcare, industrials…
Serves institutional investors and management teams of growth-oriented businesses in business services, consumer, financial services, healthcare, industrials and TMT sectors.
Location
Provides private equity investment, partnering with management teams to fund business growth, acquisitions and buyouts. Manages a portfolio of companies across multiple sectors and provides strategic…
Serves ambitious management teams and business leaders at UK mid-market companies seeking private equity backing, across business services, consumer, healthcare, ICT, industrials, media and…
Location
Operates a private equity investment firm that raises and manages funds to acquire stakes in businesses across sectors including business services, consumer, financial services, healthcare,…
Serves institutional investors and management teams of growth-oriented businesses, with sector focus on business services, consumer, financial services, healthcare, industrials and TMT.
Location
Charme Capital Partners Limited
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsOperates a private equity investment firm focused on mid‑market European companies. Invests in businesses with enterprise values of about €100m–€500m, partnering with management teams and…
Serves management teams and shareholders of European mid-market businesses with €100m-€500m enterprise value, plus institutional investors seeking private equity exposure.
Financial Health
StrongStrong · Profitable, Growing, Hiring · 9% CAGR over 5y
Location
Private equity investment firm that raises and manages funds to acquire and invest in businesses across sectors including business services, consumer, financial services, healthcare, industrials and…
Serves institutional investors seeking private equity exposure and management teams of high-performing growth businesses, particularly in business services, consumer, financial services, healthcare,…
Location
Operates as an investment company providing private equity and infrastructure investment, funding and managing stakes in mid‑market businesses and infrastructure assets, primarily in Europe and North…
Targets mid-market companies seeking private equity or infrastructure investment, mainly headquartered in Europe and North America, across consumer, healthcare, industrial, services and software…
Location
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsPrivate equity investment firm that acquires and develops businesses with strategic asset bases. Invests in mid‑market companies and works with management to grow cash flows and value, managing a…
Serves institutional investors and management teams of Western European strategic-asset businesses, typically with enterprise values of €50m-€1bn, across sectors including TMT, transport and…
Financial Health
DistressedDistressed
Location
Manages private equity funds that invest in mid‑market companies across Europe. Provides capital and strategic support to portfolio businesses and manages investments across sectors, aiming to grow…
Sells to mid-market businesses across Europe seeking private equity investment, and to institutional investors interested in its funds. Targets established, growing companies and investor audiences…
Location
Private equity firm that invests in and partners with mid‑market companies. Provides capital and strategic support to management teams, manages investment funds for investors, and develops portfolio…
Serves institutional investors and management teams of UK mid-market businesses valued around £30m-£150m across a range of sectors seeking private equity backing.
Location
Manages private equity funds that invest in and acquire stakes in mid‑market companies across sectors. Partners with management teams to finance acquisitions, support operational development, and…
Targets entrepreneurial management teams and business owners seeking private equity backing, across sectors including healthcare, business services, industrials, utilities, energy and IT.
Location
Trajectory
1y · 2025–NowOperates a private equity and fund management business investing in mid‑market software, data, and analytics companies. Partners with management teams to acquire, develop, and scale software and…
Targets mid-market enterprise software, data, analytics and software-enabled technology services companies, working with management teams; also addresses institutional investors seeking private…
Financial Health
Insufficient historyInsufficient history
Location
Manages private equity funds and invests in mid‑market European companies. Provides capital and strategic support to portfolio businesses across sectors, acquiring stakes and working with management…
Serves institutional fund investors and owners or management teams of growing mid-market businesses across Europe seeking private equity capital and partnership.
Location
Rhone Group Limited Liability Partnership
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates a private equity investment firm focused on transatlantic middle‑market companies. Invests in industrial and consumer businesses through carve‑outs and partnerships with founding families,…
Serves institutional and private investors, and targets founding families and corporate sellers of transatlantic middle-market industrial and consumer businesses.
Financial Health
DistressedDistressed · -71% CAGR over 4y
Location
Provides private equity investment services, raising funds and acquiring stakes in companies across sectors. Partners with management teams to support business growth and operational changes, and…
Serves management teams and owners of established European businesses seeking private equity investment, across sectors including healthcare, technology, manufacturing and consumer products.
Location
Private equity investment group that acquires and develops mid‑market companies, primarily in Europe. Provides capital, industrial expertise, and operational support to portfolio businesses across…
Serves institutional investors and owners of predominantly European mid-market private companies seeking private equity backing and international expansion.
Location
Provides private equity investment in asset‑based businesses across multiple sectors. Supplies equity capital and financing expertise, partners with management teams, and manages investment funds…
Targets management teams and owners of Western European strategic-asset businesses, typically capital-intensive companies with enterprise values of €50 million to €1 billion across sectors such as…
Location
CENTRICUS ASSET MANAGEMENT LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides investment advisory, private equity and asset management services, managing and structuring investments for institutional clients and funds across sectors including financial services,…
Serves institutional capital providers, including sovereign wealth funds, and companies or assets in financial services, technology, infrastructure, and consumer, media, entertainment and sports.
Financial Health
HealthyHealthy · Growing · 0% CAGR over 2y
Location
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsManages private markets investment funds and strategies focused on small business buyouts, private credit, emerging markets, real estate and energy. Connects institutional and private investors with…
Serves institutional investors, family offices and private investors, plus companies and assets seeking capital and investment managers seeking partnerships in niche private markets globally.
Financial Health
StrongStrong · Hiring · 100% CAGR over 1y
Location
Private equity investment entity associated with Montagu, participating in acquisitions and co‑investments in portfolio companies. Focuses on businesses providing products and services in sectors…
Serves institutional investors and management teams of mid-market businesses, especially carve-outs, in healthcare, financial sector services, critical data, digital infrastructure and education.
Location
Private equity investment firm that acquires and develops businesses, particularly corporate carve‑outs, and works with management teams to grow companies. Focuses on sectors including healthcare,…
Serves institutional investors and management teams or owners of established businesses in healthcare, financial services, critical data, digital infrastructure and education, with emphasis on…
Location
Provides private equity investment services, acquiring and developing companies through buyouts and corporate carve-outs. Focuses on sectors including healthcare, financial sector services, critical…
Serves institutional investors and management teams or corporate parents of mid-market businesses in healthcare, financial sector services, critical data, digital infrastructure and education,…
Location
Aurelius Investment Advisory Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides investment management and advisory services focused on private equity, private debt and real estate. Targets mid‑market buyouts and growth investments, sourcing, acquiring and managing…
Targets mid-market and lower-mid-market businesses, private debt opportunities and real estate counterparties, with a focus on companies and assets across Europe and North America.
Financial Health
HealthyHealthy · -3% CAGR over 2y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides private equity investment, taking majority stakes in established businesses. Invests €100m–€300m of equity and works with management teams to expand through acquisitions, international…
Targets high-performing, cash-flow-generative European businesses seeking majority investment, particularly management-led companies in business services, consumer, education and healthcare sectors…
Financial Health
StrongStrong · Hiring · 17% CAGR over 4y
Location
Operates as an investment company focusing on private equity and infrastructure. Invests in and manages stakes in mid‑market businesses, builds portfolios, and provides capital and strategic support…
Serves mid-market businesses headquartered in Europe and North America, especially consumer, healthcare, industrial, services and software companies, alongside infrastructure fund investors.
Location
Aurelius Finance Property One Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsInvests in and manages businesses and assets through private equity, private debt and real estate strategies. Focuses on mid‑market buyouts, growth investments and property assets, supporting…
Targets mid-market and lower mid-market companies, borrowers and real estate opportunities seeking private equity, private debt or real estate investment across Europe and North America.
Financial Health
StrongStrong
Location
Rhone Holdings (UK) Limited
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides corporate finance advisory and private equity investment services. Invests in and manages stakes in middle‑market companies, including carve‑outs and family-owned businesses, primarily in…
Serves institutional investors and owners of transatlantic middle-market businesses, including founding families and Fortune 500 groups seeking carve-out partnerships, mainly across industrial and…
Financial Health
StableStable · -73% CAGR over 4y
Location
Provides private equity investment and advisory services. Acquires and invests in mid‑market companies, partnering with management teams to improve operations, implement performance improvements, and…
Targets founders and management teams of established European businesses in growing markets, particularly platform companies with €50m–€1bn revenues and add-on acquisition opportunities for existing…
Location
Operates a private equity investment vehicle that acquires and supports businesses, including corporate carve‑outs, in sectors such as healthcare, financial sector services, critical data, digital…
Serves institutional investors and management teams of mid-market businesses in healthcare, financial sector services, critical data, digital infrastructure and education, with emphasis on corporate…
Location
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsPrivate equity investment manager that invests £/€30–100 million in mid‑market companies. Focuses on growth-stage businesses in business services, financial services, and energy or industrial…
Serves founders and management teams of growing mid-market European businesses seeking £/€30-100m investment, particularly in business services, financial services, and energy/industrial services.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
BLACKMOOR INVESTMENT PARTNERS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsPrivate investment firm providing private equity investment in small and mid-sized companies across Europe. Manages concentrated investment portfolios and works with portfolio companies through an…
Targets professional and institutional investors seeking exposure to European small and mid-sized private equity opportunities, including those looking for a hands-on, concentrated investment…
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
Private equity investment firm that acquires and develops mid‑market companies, primarily in Europe. Provides capital, strategic guidance and operational support to portfolio businesses across…
Serves institutional and professional investors, and predominantly European mid-market private companies across sectors seeking growth capital and international expansion support.
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsOperates as a private equity investment firm. Raises and manages investment funds and acquires stakes in businesses, partnering with management teams to develop and grow portfolio companies and…
Serves institutional investors and entrepreneurial European companies, targeting business owners and management teams seeking private equity partnership and growth capital.
Financial Health
StableStable · Hiring · 183% CAGR over 2y
Location
Trajectory
1y · 2025–NowManages investment funds that acquire and combine small and medium‑sized businesses in fragmented sectors, building platform companies and overseeing strategy and operations while providing…
Serves international institutional investors seeking SME exposure and entrepreneurial owners of profitable SMEs in fragmented, growing sectors, including healthcare, building compliance, low-energy…
Financial Health
Insufficient historyInsufficient history
Location
Provides investment advisory services for a growth-focused private equity firm, supporting investments in expansion-stage companies in technology, healthcare and life sciences, and growth products…
Targets category-leading growth companies and executive teams in technology, healthcare and life sciences, and growth products and services, including firms seeking minority or majority investment…
Location
Private equity investment firm focused on lower mid‑market companies. Acquires majority or significant stakes in established businesses and partners with founders and management teams to support…
Targets successful founders and management teams of lower mid-market European businesses, especially market-leading companies in fragmented industries providing essential products and services; also…
Location
CGE INVESTMENTS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsPrivate equity firm that invests in information, data and software companies. Acquires majority stakes and provides growth capital and strategic support, focusing on businesses aligned with…
Serves owners and management teams of information, data and software businesses in Northern and Western Europe seeking private equity backing, typically for majority transactions of €30m–€100m.
Financial Health
StableStable · Hiring · 32% CAGR over 4y
Location
Private equity investment firm that acquires and invests in mid‑market Western European companies. Focuses on consumer, healthcare, industrial and services sectors, supporting portfolio businesses…
Targets mature mid-market businesses in Western Europe with €50m-€350m enterprise value, across consumer, healthcare, industrials & engineering, and services sectors.
Location
FARVIEW EQUITY PARTNERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsPrivate equity investment firm that invests in enterprise technology businesses, particularly SaaS, business and information services, and financial technology companies. Partners with management…
Targets European enterprise technology businesses, especially SaaS, business and information services, and fintech companies beyond product-market fit, led by entrepreneurs seeking growth capital and…
Financial Health
HealthyHealthy · Hiring · 15% CAGR over 4y
Location
MONTAGU VENTURES INTERNATIONAL LTD
Trajectory
2y · 2023–NowFinancial sub-scores
Computed from 2 filingsProvides private equity investment and management consultancy, acquiring and supporting companies including corporate carve‑outs, and working with management teams to develop and grow businesses…
Serves institutional investors, corporate sellers and management teams of mid-market businesses in healthcare, financial sector services, critical data, digital infrastructure and education, with…
Financial Health
HealthyHealthy · 0% CAGR over 1y
Location
Private equity investment firm making majority and significant minority investments in European businesses. Partners with management teams to support growth, acquisitions, international expansion and…
Serves founders, management teams and shareholders of ambitious European businesses seeking majority or significant minority private equity investment, across business services, technology, financial…
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates as an investment and private equity entity, managing funds that invest in companies across sectors including technology, healthcare, infrastructure, and real assets, and supporting portfolio…
Serves institutional investors, private wealth clients and other capital providers seeking exposure to private capital, infrastructure, real estate and life sciences investments; also addresses…
Financial Health
StableStable · -68% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsPrivate equity investment firm that invests in technology and tech‑enabled businesses. Provides growth capital and strategic support to portfolio companies, including acquisitions, operational…
Serves ambitious founders and management teams of high-growth tech and tech-enabled businesses, particularly software and tech-enabled services firms seeking scale-up investment and support.
Financial Health
StrongStrong · Growing, Hiring · 28% CAGR over 4y
Location
Private equity investment firm that invests in growth-stage companies in services and technology sectors. Provides equity investments and strategic support to businesses in areas such as data and…
Serves management teams and owners of growth-stage services and technology companies valued up to £300m, especially in data and insight, managed IT services, software and tech-enabled business…
Location
CADENCE EQUITY PARTNERS LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides private equity investment in businesses that deliver technology‑enabled or knowledge‑based products and services. Undertakes direct and portfolio acquisitions, supplying capital and…
Serves motivated management teams and business owners seeking long-term private equity backing, especially companies offering technology- or know-how-led solutions and services across varied…
Financial Health
HealthyHealthy · 0% CAGR over 4y
Location
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsManages private equity funds and invests equity or equity-type capital in established companies, partnering with management teams to support growth, strategic development, and operational…
Targets mature companies in Central and South Eastern Europe, particularly businesses led by experienced management teams with successful track records seeking equity or equity-type investment.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
Private equity investment firm that acquires and develops mid‑market businesses, including corporate carve‑outs. Focuses on sectors such as healthcare, financial sector services, critical data,…
Serves institutional investors and management teams of businesses in healthcare, financial sector services, critical data, digital infrastructure and education, including corporate carve-outs.
Location
Private equity investment firm that invests in mid‑market digital and technology‑enabled businesses. Provides growth capital and strategic support to companies in sectors such as AI‑enabled services,…
Serves management teams and founders of UK mid-market digital businesses, typically companies valued £50m-£300m seeking £30m-£150m investment, across AI-enabled services, digital media, marketplaces…
Location
Operates a private equity investment platform providing majority and minority equity, credit, and fund investments in mid‑market companies. Focuses on growth, buyouts, co‑investments, and secondaries…
Serves institutional and private investors, and targets mid-market companies and funds across North America and Europe, including software, consumer, food and beverage, business services, climate and…
Location
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How London private equity companies work and how to sell to them
What they do
Private equity firms make money from fund-management fees, carried interest on realised gains, advisory retainers and transaction-related fees. Their product is not a standardised financial account; it is access to private-company investment strategy, deal sourcing, diligence, structuring, governance and exit execution. Pricing usually follows a percentage fee on committed or invested capital, with performance economics agreed in fund documents. Advisory-only entities may charge retainers or success fees around acquisitions, disposals and capital raises. Engagements are long-dated and relationship-based, so revenue quality depends on fundraising cadence, portfolio performance and repeat allocator confidence rather than short sales cycles.
Who they sell to
Most London private equity firms sell to two related markets: capital providers and private-company stakeholders. On the capital side, buyers are typically pension schemes, insurers, endowments, family-office-style allocators, wealth channels and professional investors, with CIOs, investment committees and consultant gatekeepers shaping approval. On the deal side, they engage founders, management teams, corporate sellers, lenders and advisers. Procurement rarely looks like a simple vendor purchase. Fund commitments move through due diligence questionnaires, reference checks, legal review and committee approval, while transaction opportunities tend to come through adviser networks, sector relationships and direct origination.
What they buy
Most private equity firms tend to spend on systems and services that reduce friction in fundraising, diligence, reporting and portfolio oversight. Common software categories include investor CRM, fund accounting, portfolio monitoring, document management, secure data rooms, workflow tools, market intelligence, compliance reporting, cyber security, HR systems and analytics. Service spend often sits with legal advisers, tax advisers, audit, fund administration, valuation support, due diligence providers, communications advisers and recruitment firms. Larger managers may also buy portfolio operations support, procurement benchmarking, technology assessments and finance-transformation help for companies they control, particularly where value creation is more important than financial engineering alone.
Why and how to sell to them
Private equity buyers tend to evaluate vendors when a fundraise is under way, a new fund has closed, reporting demands increase, a portfolio expands, a compliance gap appears or a transaction pipeline becomes harder to manage manually. Outreach works better when it connects to those events rather than a generic efficiency claim. Useful angles include faster investor reporting, cleaner audit trails, lower diligence workload, better visibility across holdings, reduced cyber exposure and more repeatable portfolio-company execution. Credibility matters: sales teams should expect confidentiality concerns, legal review, partner-level scrutiny and a preference for references from comparable regulated or private-markets teams.
How this list is built
Data sources
This list is built from UK Companies House filings, XBRL accounts data, and semantic analysis of each company's public website. Revenue and headcount figures come from the most recent filed accounts; where the company has not filed, values are estimated using a model trained on filed history and peer benchmarks and are labelled as estimates.
Classification
Rather than relying solely on SIC codes, Firmbase classifies each company semantically: the company's website is crawled, an AI model reads what the company actually sells, and the company is placed into the relevant industry and subsectors. SIC codes are used as one signal but not the only one. This means a company that registered under a generic SIC code but pivoted into (for example) fintech is correctly identified as fintech, not as its original SIC category.
Freshness
The underlying company data is refreshed from Companies House continuously; filings appear in the list within days of submission. The curated list ordering is regenerated when the underlying data moves meaningfully (company count changes by more than 5%, a new company enters the top-ranked segment, or the filed-revenue numbers for the top firms change). You can see the last-updated timestamp near the top of the page.
Also in London
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