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Hedge Fund Companies in London: 100+ Active Firms (2026)
Hedge fund companies manage alternative investment funds using pooled capital and specialist trading strategies across London’s financial centre.
Buying centres cluster around allocator decision-making rather than departmental software budgets: investment committees, outsourced chief investment offices, consultants, family offices and wealth platforms. Most mandates are institutional or wholesale business-to-business, with public-sector capital appearing where pension schemes use external advisers. Engagements are high-value, slow to win and diligence-heavy, with fees tied to management and performance economics rather than seats or implementation projects. London managers in this niche tend to run compact specialist teams across portfolio management, trading, risk, operations and regulatory reporting, serving UK and international mandates from a financial-centre base.
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London has 176 actively trading hedge fund companies, making the market narrow by company count but specialist in operating shape. Reported employment totals 625 people, which points to lean teams rather than broad branch or service-delivery networks. The headcount footprint is consistent with portfolio managers, analysts, traders, risk staff and compliance specialists working in small units around fund mandates. Revenue scale is also concentrated: only a minority pass the lower mid-market turnover threshold, so the sector is weighted towards boutique managers and early-commercial investment businesses.
Authorisation turns on activity, assets under management, leverage and redemption terms rather than on the hedge fund label alone. UK managers generally sit within the Alternative Investment Fund Managers framework and are supervised by the FCA, with above-threshold firms treated as full-scope UK AIFMs and smaller managers falling into small authorised or small registered regimes. Policy consultation is moving towards a more graduated structure, keeping fuller requirements for larger managers while giving smaller firms baseline standards. That matters commercially: allocator due diligence usually looks for evidence of risk controls, valuation governance, reporting discipline and operational separation before capital is committed.
London appears likely to remain a specialist allocator market rather than a volume company-formation story. Newer managers can still form around niche strategies, but winning institutional mandates tends to require an auditable operating model, credible risk oversight and patient relationship-building. Scale-up scarcity may persist because regulatory costs, prime-brokerage requirements and investor due diligence favour teams with prior track records. Consolidation also looks plausible where sub-scale managers struggle to absorb reporting and operations work, though boutique firms with differentiated strategies can remain viable without becoming large employers.
176
Active firms
2026
16
Above £5M revenue
26
Incorporated since 2022
Key facts
About 9% of the trading cohort reports turnover above £5M (16 of 176 firms) — the rest sits below that revenue band.
14% of the cohort was incorporated since 2022 (26 firms), so a sizeable share is in its first few filing cycles.
UK hedge fund managers generally sit under AIFMD, with the FCA supervising the framework.
AIFMD has applied in the UK since July 2013 through Treasury regulations and FCA rules.
Managers above current AIFMD thresholds are full-scope UK AIFMs; smaller managers may sit in small authorised or small registered regimes.
UK policymakers and the FCA are consulting on a three-tier regime for large, mid-sized and small AIFMs.
The UK is the second-largest global asset management hub behind the United States, with £14 trillion total assets under management.
Top London hedge fund companies
Trafalgar Capital
Provides investment management services focused on hedge fund strategies, supporting affiliated funds. Conducts portfolio management, investment research, and regulatory functions as an…
Serves professional and institutional investors seeking hedge fund and alternative investment exposure, including clients requiring regulated investment management and Cayman-registered fund…
Location
Manages alternative credit investment strategies across the credit spectrum. Operates long/short credit funds, manages CLO loan portfolios, invests in significant risk transfer transactions, and…
Serves institutional investors and capital allocators seeking exposure to alternative credit strategies, primarily in European markets, including long/short credit, CLO, capital solutions and…
Location
HELLEBORE CAPITAL LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides investment management as an alternative investment fund manager, specialising in arbitrage strategies in over‑the‑counter derivatives markets, including credit default swaps and equity…
Serves professional investors and investment professionals with knowledge and experience of derivatives transactions, rather than retail consumers.
Financial Health
StableStable · -72% CAGR over 4y
Location
Westbeck Capital Management
Operates an investment management firm that manages hedge funds and UCITS funds focused on energy and electric metals markets. Acts as an authorised alternative investment fund manager, providing…
Serves institutional and professional investors seeking exposure to energy and electric metals markets through alternative investment and UCITS fund structures.
Location
MULVANEY CAPITAL MANAGEMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsProvides investment management through a systematic trend‑following managed futures programme, trading diversified global futures markets including agricultural, energy, metals and financial…
Serves professional and institutional investors allocating to managed futures and systematic trend-following investment strategies.
Financial Health
StrongStrong · Hiring · 19% CAGR over 4y
Location
Provides investment management services focused on alternative investment funds. Manages and promotes unregulated collective investment schemes and related strategies for professional investors and…
Serves professional clients, eligible counterparties and high-net-worth organisations seeking access to unregulated alternative investment funds; not aimed at retail/private customers or investors in…
Location
Acts as an alternative investment fund manager, managing investment funds and portfolios using event‑driven investment strategies for institutional and professional investors across public markets…
Serves investors in alternative investment funds; no specific investor type, sector or geography is stated.
Location
Manages alternative investment funds using a multi‑strategy platform. Allocates capital to independent investment teams trading equities, fixed income, commodities, currencies and derivatives,…
Serves global investors seeking access to diversified alternative investment strategies, with a dedicated investor login indicating an existing investor client base.
Location
Manages alternative investment funds and strategies for institutional and professional investors, including quantitative, systematic and fundamental approaches. Specialises in long/short equity…
Serves institutional and professional investors allocating capital to alternative investment strategies, including clients seeking global long/short equity exposure and managed investment solutions.
Location
Manages investment funds focused on global public equities and real estate lending. Conducts fundamental research, takes concentrated positions in listed companies, engages with corporate management,…
Serves investors in its funds, including institutional partners such as The Children’s Investment Fund Foundation; site content is aimed at fund investors needing access, regulatory disclosures and…
Location
Manages alternative investment funds focused on long/short strategies in pan-European small and mid-cap listed equities. Conducts in-house fundamental research and portfolio management, offering…
Serves professional and institutional investors seeking alternative equity fund exposure, including clients requiring managed accounts tailored to their risk needs in pan-European small and mid-cap…
Location
Manages alternative investment funds and strategies including quantitative, systematic and fundamental approaches with a focus on long/short equity. Uses proprietary technology and data analysis to…
Serves institutional and professional investors allocating assets to alternative investment strategies, including quantitative, systematic and fundamental long/short equity approaches.
Location
4 Eyes Capital
Acts as an alternative investment fund manager providing collective portfolio management services. Manages regulated investment funds, allocates capital across asset classes, selects underlying…
Serves professional and sophisticated investors worldwide seeking access to regulated alternative investment funds, collective portfolios and diversified asset-class strategies.
Financial Health
Insufficient historyInsufficient history
Location
Hengistbury Investment Partners
Provides discretionary investment management for professional clients and unregulated collective investment schemes. Acts as an alternative investment fund manager, managing alternative investment…
Serves professional clients and unregulated collective investment schemes in the alternative investment market, rather than retail consumers.
Location
Manages alternative investment strategies focused on event-driven opportunities arising from announced corporate actions. Operates strategies including risk arbitrage, back-end trades, and SPAC and…
Serves institutional and professional investors seeking alternative investment strategies, with investor access supported through a client portal and UK/US regulatory registrations.
Location
Haven Cove Capital Management Limited
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsProvides investment management focused on European investment‑grade credit derivatives, particularly liquid credit default swaps. Manages hedge funds and separately managed accounts using systematic…
Serves professional and institutional investors, including fund investors and separately managed account clients, seeking allocation to European investment grade credit derivatives strategies.
Financial Health
DistressedDistressed · -43% CAGR over 1y
Location
Provides investment management services for client and proprietary assets. Trades and manages portfolios across fixed income, currencies, equities, commodities, and derivatives using strategies…
Serves an international clientele of approved investment clients, with access limited to authorised users and their agents or advisers.
Location
CALIBRATE MANAGEMENT LIMITED
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates as an alternative investment manager, managing hedge fund and liquid alternative investment strategies for professional clients. Provides investment and portfolio management services focused…
Sells to professional investors only, including FCA- or PRA-authorised firms, large undertakings meeting size thresholds, and national or regional government bodies. Does not target retail clients or…
Financial Health
HealthyHealthy · Hiring · 32% CAGR over 4y
Location
Fortem Capital Limited
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides asset management focused on alternative investments. Manages liquid alternative and absolute return funds using derivative-based strategies, including equity income, commodity and growth…
Serves investors seeking access to liquid alternative investment strategies, including fund investors and clients requiring bespoke or flow investment solutions.
Financial Health
StrongStrong · Hiring · 13% CAGR over 2y
Location
ARDEN INVESTMENTS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsProvides alternative investment management focused on hedge funds, offering private funds, customised portfolios, managed account platforms and advisory services to institutional investors, along…
Serves institutional clients worldwide, alongside current and prospective investors in private funds, managed accounts, mutual funds and UCITS funds.
Financial Health
HealthyHealthy
Location
Provides investment management services for professional clients and eligible US investors. Authorised by the Financial Conduct Authority and registered with the CFTC and NFA to manage and advise on…
Serves professional clients in the UK and eligible US investors, including accredited investors, qualified eligible persons and qualified purchasers; excludes retail clients and the general public.
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsActs as an alternative investment fund manager, managing investment funds using event‑driven strategies. Provides portfolio management and investment oversight for investors and operates an online…
Serves investors in alternative investment funds; the site indicates an investor portal but does not specify whether clients are institutional, professional or retail.
Financial Health
HealthyHealthy · Hiring · 7% CAGR over 2y
Location
Lombardi Capital
Provides alternative investment management services focused on European equities, managing investment strategies and portfolios for institutional and professional investors under Financial Conduct…
Serves professional and institutional investors interested in European equities and alternative investment strategies.
Location
Provides discretionary investment management focused on global macro strategies. Manages investment funds and client portfolios, allocating capital across asset classes and geographic markets based…
Serves investors and financial clients seeking access to fund information, investor relations materials and regulated investment management, with references to UK and Swiss regulatory contexts.
Location
Manages investment strategies focused on corporate and asset‑backed opportunities, claims and special situations. Develops and structures investments in complex or process‑intensive assets for…
Serves professional investors and institutional clients seeking European corporate, asset-backed, claims and special situations investment strategies.
Location
Manages investment funds using fundamental equity strategies, conducting company research to build long and short positions in listed equities. Provides portfolio management and investor…
Serves institutional and professional investors, private wealth investors and eligible private investors, with country-specific access for markets including the UK, US, Singapore and Switzerland.
Location
SCHONFELD STRATEGIC ADVISORS (UK) LLP
Trajectory
5y · 2021–NowFinancial sub-scores
Computed from 5 filingsOperates a multi‑strategy hedge fund that manages investment capital across quantitative, fundamental equity, tactical trading, and macro and fixed‑income strategies. Uses data, technology, and risk…
Serves institutional and qualified investors allocating capital to hedge funds, including investors seeking multi-strategy exposure across asset classes and global markets.
Financial Health
DistressedDistressed · -56% CAGR over 4y
Location
ASTRA ASSET HOLDINGS LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManages alternative credit investment strategies focused on mispriced credit instruments. Invests in structured credit, credit default swaps, asset‑backed securities and distressed corporate debt,…
Serves institutional and professional investors seeking European alternative credit exposure, and corporate partners requiring capital for restructuring or growth.
Financial Health
StrongStrong · Growing · 0% CAGR over 4y
Location
SYSTEMATICA INVESTMENTS SERVICES LIMITED
Trajectory
2y · 2021–NowFinancial sub-scores
Computed from 2 filingsDevelops and manages systematic quantitative investment strategies for institutional clients. Strategies include trend‑following futures, macro relative value, equity market neutral, and…
Serves institutional and professional investors, including fund allocators and clients seeking UCITS or bespoke quantitative investment strategies across global markets.
Financial Health
StrongStrong · Growing · 3% CAGR over 1y
Location
Manages alternative credit investments focused on European markets. Specialises in securitised and structured credit, performing credit and special situations, and provides credit warehousing and…
Serves institutional investors seeking alternative credit exposure, including investors in structured credit, performing credit, special situations and tailored managed accounts, with a stated focus…
Location
REDHEDGE ASSET MANAGEMENT LLP
Trajectory
3y · 2024–NowFinancial sub-scores
Computed from 3 filingsProvides asset management services focused on market‑neutral relative value credit strategies, managing investment funds and portfolios that trade credit instruments and related securities for…
Serves qualified and sophisticated investors, including investment professionals and high-net-worth organisations, with access restricted away from the general public and prohibited jurisdictions.
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsOperates an activist investment firm focused on large-cap European public equities. Invests in publicly listed companies it considers undervalued and engages with management and boards to influence…
Financial Health
WeakWeak · -12% CAGR over 1y
Location
Pearlstone Alternative
Manages investment strategies focused on public and private European credit markets, targeting high‑yield and complex situations. Sources and invests in underserved capital structures and…
Serves professional clients and eligible counterparties, including institutional investors seeking exposure to public and private European credit markets.
Location
Trajectory
4y · 2023–NowFinancial sub-scores
Computed from 4 filingsManages a global macro hedge fund that invests across liquid asset classes using macroeconomic, political, and market analysis. Develops and manages investment portfolios and trading strategies aimed…
Serves investors seeking exposure to global macro hedge fund strategies, typically institutional allocators and other professional investment clients focused on absolute returns and long-term manager…
Financial Health
StableStable · 0% CAGR over 3y
Location
Acasta Partners UK LLP
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManages alternative investment strategies focused on global credit markets. Invests in convertible securities, distressed and stressed debt, special situations, metals and mining capital structures,…
Serves professional and institutional investors allocating to alternative investment strategies, particularly across credit, distressed assets, special situations, commodities and volatility-driven…
Financial Health
HealthyHealthy · 0% CAGR over 2y
Location
Manages alternative investment funds and managed accounts focused on pan‑European small and mid‑cap listed equities. Uses long/short strategies and in‑house fundamental research to build actively…
Serves professional and institutional investors seeking alternative equity strategies, including clients using flagship funds or managed accounts focused on European small and mid-cap listed…
Location
Caius Capital
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManages alternative investment funds focused on opportunistic credit and event‑driven strategies, investing in stressed, distressed and special situation debt. Provides access through commingled…
Serves investors using commingled funds, separately managed accounts and co-investment opportunities, with a focus on those seeking global stressed, distressed and event-driven credit exposure.
Financial Health
StrongStrong · Hiring · 7% CAGR over 5y
Location
Manages alternative investment strategies focused on global macro and quantitative trading. Develops and operates investment funds and customised portfolios, including UCITS and discretionary…
Serves global institutional investors, private wealth partners, and accredited investors seeking alternative investment strategies for diversified portfolios.
Location
WALLEYE CAPITAL (UK) LIMITED
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsProvides portfolio management and investment management services as part of a multi‑strategy hedge fund, using fundamental research, quantitative models, and artificial intelligence to trade…
Serves professional and institutional investors allocating capital to multi-strategy hedge fund portfolios across global markets.
Financial Health
StrongStrong · Hiring · 212% CAGR over 2y
Location
ACER TREE INVESTMENT MANAGEMENT LLP
Trajectory
2y · 2024–NowFinancial sub-scores
Computed from 2 filingsManages investment strategies focused on liquid credit markets, including investment‑grade and high‑yield bonds, leveraged loans, special situations and structured products. Uses fundamental credit…
Serves investors seeking European-focused credit strategies, including exposure to investment grade, high yield, leveraged loans, special situations and structured products across public and private…
Financial Health
StrongStrong · Profitable, Growing · 0% CAGR over 1y
Location
Operates a multi‑strategy investment management firm using quantitative research, data analysis and technology to develop and trade systematic strategies across global financial markets and asset…
Serves investors seeking global, multi-strategy investment management across asset classes, geographies and time horizons, including clients requiring systematic, research- and technology-led trading…
Location
Trajectory
2y · 2024–NowManages alternative investment funds using event‑driven strategies in equity and credit markets, investing in companies affected by corporate events or near‑term catalysts. Provides portfolio…
Financial Health
Insufficient historyInsufficient history
Location
SORS ASSET MANAGEMENT EUROPE LIMITED
Trajectory
5y · 2020–NowFinancial sub-scores
Computed from 5 filingsManages investment funds and portfolios using quantitative data-driven strategies focused on equities and derivatives, analysing market data and models to trade securities and related financial…
Financial Health
WeakWeak · 0% CAGR over 4y
Location
Provides investment management services, managing investment funds and portfolios for professional and qualified investors. Activities include fund management, capital raising, and investor…
Targets professional and institutional investors, including UK investment professionals, high-net-worth companies and other eligible entities, plus US qualified purchasers or accredited investors.
Location
Manages alternative investment and mutual funds using multi‑strategy approaches across equities, credit and volatility. Employs fundamental analysis, special situations, private credit, arbitrage and…
Serves investors seeking alternative investment and mutual fund exposure, including UCITS and hedge fund strategies across equity, credit and volatility.
Location
LANDSEER ASSET MANAGEMENT UK LLP
Trajectory
4y · 2022–NowManages equity investment strategies for professional investors, focusing on European equities and long/short approaches. Operates funds including global growth and AI equities, absolute return…
Serves UK professional clients and eligible counterparties, including institutional investors and qualified financial counterparties interested in European equity long/short and small-cap fund…
Financial Health
Insufficient historyInsufficient history
Location
Provides investment management services for hedge funds, operating alternative investment strategies and managing pooled investment funds and portfolios for institutional and professional investors…
Targets investors and allocators seeking access
Location
Provides investment management focused on corporate and asset-backed opportunities, claims and special situations in Europe, structuring and managing investments in complex or distressed assets and…
Location
Manages alternative investment funds using fundamental, event‑driven strategies across public and private markets. Invests in areas including real estate, litigation finance and special situations,…
Serves institutional investors seeking alternative asset management across public and private markets, including strategies in real estate, litigation investing and special situations.
Location
Trajectory
3y · 2023–NowFinancial sub-scores
Computed from 3 filingsManages alternative investment strategies for institutional clients, focusing on absolute return approaches in liquid credit, private and structured credit, long‑only credit, and European equities,…
Serves institutional and professional investors seeking alternative investment allocations, including credit-focused, bespoke fixed-income and European equity strategies.
Financial Health
HealthyHealthy · Hiring · 13% CAGR over 2y
Location
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How London hedge fund companies work and how to sell to them
What they do
Revenue usually comes from management fees on assets under management and performance fees where fund documents allow incentive economics. Some managers also run segregated mandates or advisory sleeves for institutional allocators, but the commercial unit is still capital managed rather than user seats. The service shape combines investment judgement, trading access, risk control, fund governance and reporting. Pricing is negotiated through fund terms, side letters and mandate agreements, so commercial discussions are usually linked to liquidity, strategy capacity, leverage, drawdown controls and operational set-up rather than a standard tariff. London firms often keep the core team narrow and outsource administration, custody, audit and some middle-office processes.
Who they sell to
Buyers are usually professional allocators rather than operating-company departments. Typical counterparties include pension trustees, investment committees, outsourced chief investment offices, consultants, family offices, wealth platforms and wholesale distribution teams. The day-to-day influencers tend to be CIOs, heads of alternatives, portfolio analysts, operational due-diligence leads, risk officers and legal counsel. Sales cycles are long because buyers test performance history, manager stability, service providers, valuation policy, liquidity terms and regulatory permissions before allocating capital. New mandates are usually won through direct relationship-building, consultant channels, platform access, adviser introductions and formal selection exercises rather than self-serve purchase flows.
What they buy
Spending tends to cluster around front-office, risk, compliance and investor-servicing needs. Most hedge fund managers tend to buy portfolio and order management systems, execution tools, market data, research management, performance attribution, risk analytics, reconciliation, fund accounting, document management and regulatory reporting software. Security, identity controls, backup, monitoring, data warehousing and cloud infrastructure matter because allocators expect evidence that trading and reporting processes can withstand scrutiny. They also buy specialist services: fund administration, audit, tax, regulatory advice, employment law, outsourced compliance, investor relations support, capital introduction, office services and recruitment for portfolio, quant, operations, finance and compliance roles.
Why and how to sell to them
Commercial intent often appears around fund launches, strategy expansion, new senior operations hires, FCA authorisation changes, allocator due-diligence requests, preparation for a larger mandate, or pressure to reduce manual reconciliation and reporting work. Smaller managers tend to be cost-conscious but still need controls that look credible to institutional buyers; larger boutiques may pay for lower operational risk, faster close processes and cleaner evidence trails. Outbound works better when it is specific to the investment-management workflow: audit readiness, regulatory reporting, investor transparency, cyber risk, valuation governance, trade processing or outsourced operating leverage. Generic productivity claims are less persuasive than a clear link to mandate wins, diligence outcomes or avoidable operational errors.
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.
Sources
- United Kingdom Hedge Funds Market Size & Share Analysis - Growth Trends and Forecast (2026 - 2031)
- The UK hedge fund market was valued at USD 531.22 Billion in 2025.
- The UK hedge fund market is estimated at USD 552.37 Billion in 2026 and forecast to reach USD 671.47 Billion by 2031.
- The UK hedge fund market growth rate for 2026 - 2031 is stated as 3.98% CAGR.
- Since September 2024, 47 new UCITS hedge funds debuted, a 34% increase from 2023, drawing USD 19.05 billion from European investors.
- The EU investor base has contracted by roughly 35%, according to the page's discussion of post-Brexit passporting uncertainty.
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