Directory

Alvarium

PEOtherFinanceForeign

Alvarium Investments was a London-based independent multi-family office and wealth management firm, originally established in 2009 as LJ Partnership before rebranding as Alvarium Investments in 2019. In January 2023, Alvarium merged with Tiedemann Group and listed on NASDAQ as AlTi Global (ticker: ALTI), an ultra-high-net-worth wealth and asset management business with approximately $90 billion in assets under management and administration as of early 2026.

Amadeus Capital Partners

VCAISpaceBritish

Amadeus Capital Partners is a deep tech venture capital firm founded in 1997 by Anne Glover and Hermann Hauser, with offices in London, Cambridge, and Oxford. Having raised over $1.3 billion and backed more than 200 companies, the firm invests from seed to growth stage across three focus areas: Intelligence (AI, advanced computing, quantum), Human (health, medicine, wellness), and Planet (sustainability, energy, novel materials, space), with strong links to Cambridge and Oxford universities.

Amex Ventures

VCFinanceConsumerForeign

Amex Ventures is the corporate venture capital arm of American Express, investing in startups since 2011 that are transforming commerce, payments, fraud prevention, data analytics, and enterprise technology. It has backed over 70 startups including Stripe, Instacart, and Plaid, and collaborates closely with portfolio companies to drive innovation across American Express's global business.

Anduril UK

CorporateDefenceForeign

UK subsidiary of Anduril Industries, developing autonomous defence systems including drones, counter-UAS solutions, surveillance towers, the Lattice OS command software and ground robotics for allied militaries.

Apax Partners

PESaaSFinanceBritish

Apax Partners is one of the world's leading global private equity advisory firms, founded in 1972 and headquartered in London. The firm has raised approximately $80 billion in aggregate funds and invests across three core sectors: technology, services and healthcare, with strategies spanning global buyout, digital growth, mid-market Israel, global impact and credit.

Apollo Global Management

PEOtherFinanceForeign

Apollo Global Management is a high-growth global alternative asset manager founded in 1990, headquartered in New York City and publicly listed on the NYSE. The firm manages approximately $938 billion in assets under management across private equity, credit and real assets strategies, with offices across North America, Europe and Asia.

Aquiline

PEFinanceSaaSVCForeign

Aquiline Capital Partners is a New York and London-based private investment specialist focused on financial services and technology, founded in 2005. The firm operates across private equity, venture and credit strategies, investing in businesses ranging from early-stage to established companies with enterprise values up to $2.5 billion. Aquiline has raised over $3.4 billion in capital commitments across its funds.

Ardian

PEOtherForeign

Ardian is a global diversified private markets firm managing or advising approximately $180 billion of assets across private equity, real assets, and credit. Originally founded in 1996 as AXA Private Equity, the firm became fully independent in 2013 following an employee buyout. It operates from offices in Beijing, Frankfurt, Jersey, London, Luxembourg, Milan, New York, Paris, Singapore, and Zurich, with its UK office in Mayfair, London.

Ares

PEOtherReal EstateVCForeign

Ares Management Corporation (NYSE: ARES) is a leading global alternative investment manager with approximately $644 billion in assets under management across credit, private equity, real estate, and infrastructure. Founded in 1997 in Los Angeles, the firm operates from over 60 offices worldwide and serves more than 3,500 institutional investors. Its diversified platform spans mid-market buyouts, infrastructure, real assets, and private credit.

Aroundtown

CorporateReal EstateForeign

Aroundtown SA is a publicly listed real estate company, registered in Luxembourg and operationally headquartered in Berlin, focused on income-generating commercial and residential properties with value-add potential in central locations across top-tier European cities. Founded in 2004, the company is one of the largest commercial real estate operators in Europe and is listed on the Frankfurt Stock Exchange as a component of the MDAX index. Its portfolio spans properties primarily in Germany and the Netherlands.

Arqit Quantum

ScaleupCybersecurityQuantumBritish

Quantum-safe encryption company providing symmetric key agreement and Encryption Intelligence cryptographic discovery/migration tooling to help organisations transition to post-quantum cryptography; listed on Nasdaq (ARQQ).

Ashurst

Professional ServicesOtherBritish

Ashurst is a British multinational law firm headquartered in London, founded in 1822, with over 2,800 employees across 30 offices in 18 countries. The firm specialises in mergers and acquisitions, corporate and structured finance, investment funds, energy, infrastructure, and dispute resolution, serving corporates, financial institutions, and governments globally. As of 2026, Ashurst and Perkins Coie have voted to merge, creating a combined firm of approximately 3,000 attorneys.

Astellas Pharma Inc.

CorporateBiotech & Life SciencesForeign

Astellas Pharma is a Japanese multinational pharmaceutical company focused on oncology, urology, immunology, and rare diseases, with a significant UK clinical and commercial presence.

Atlassian Ventures

CorporateSaaSAIForeign

Corporate venture arm of Atlassian investing $1–5M in seed-to-Series B enterprise software and SaaS startups building on or alongside the Atlassian platform.

Atomico

VCAIFinanceBritish

Atomico is a founder-built European venture capital firm, founded in 2006 and headquartered in London. The firm invests in ambitious technology entrepreneurs across Europe and beyond, with a focus on areas including digital infrastructure, enterprise AI, frontier tech, fintech, medtech and climate. It has backed companies such as Klarna, DeepL and Hinge Health.

BC Partners

PESaaSMediaBritish

BC Partners is a British international alternative investment manager founded in 1986 and headquartered in London, with over $40 billion of assets under management across private equity, private credit and real estate. The firm invests in upper mid-market companies across Europe and North America with offices in London, Paris, Hamburg and New York.

BCG

Professional ServicesOtherForeign

Boston Consulting Group (BCG) is a global management consulting firm and one of the world's leading advisors on business strategy. Founded in 1963, it works with clients across private, public, and social sectors to identify opportunities, address challenges, and transform organisations. BCG operates from more than 100 offices in over 50 countries worldwide.

BCS

Ecosystem Bodies, Catapults & InstitutionsOtherBritish

BCS, The Chartered Institute for IT, is the UK's professional body and chartered institute for those working in digital, data, and technology roles, with over 70,000 members across 150 countries. Founded in 1957 and incorporated by Royal Charter in 1984, it promotes the education, practice, and ethics of IT for the benefit of the public. BCS awards professional certifications, accredits degree programmes, and is the regulatory body for the Chartered IT Professional (CITP) qualification.

BDO

Professional ServicesOtherBritish

BDO LLP is one of the UK's largest accountancy and business advisory firms, providing audit, tax, advisory and business outsourcing services to companies across all sectors of the economy. The UK firm employs approximately 8,000 people across 17 offices and is a member of the global BDO network operating in 166 countries.

BGF

PEOtherAIVCBritish

BGF (formerly Business Growth Fund) is the most active equity investor in the UK and Ireland, providing long-term, minority growth capital to ambitious SMEs and scaling businesses. Established in 2011 and backed by Barclays, HSBC, Lloyds, NatWest and Standard Chartered, BGF has deployed more than £4.7bn across over 650 businesses and operates with an evergreen balance sheet, investing across all regions and sectors in the UK and Ireland.

BNY Mellon Innovation Center

CorporateFinanceForeign

BNY Mellon Innovation Center is a network of internal corporate innovation hubs operated by Bank of New York Mellon, with centres in Pittsburgh, New York, Silicon Valley, London, Singapore, and other locations. The centres focus on financial technology research, prototyping, and collaboration with fintech startups to drive digital transformation across the bank's operations, including its NEXEN open digital ecosystem.

Babcock International Group

CorporateDefenceBritish

Defence engineering and support services company listed on the London Stock Exchange; capabilities span naval shipbuilding and support, nuclear, land systems, training, mission systems and critical infrastructure across more than 30 countries.

Baillie Gifford

PEOtherAIVCBritish

Baillie Gifford is an independent, partner-owned investment management firm founded in Edinburgh in 1908. It manages a broad range of equity and multi-asset funds and investment trusts with a long-term, growth-oriented philosophy. The firm manages over £286 billion in assets on behalf of institutional and individual clients worldwide.

Bain Capital

PEOtherVCForeign

Bain Capital is a global private multi-asset investment firm founded in 1984, managing approximately $225 billion in assets across private equity, venture capital, public equity, credit, and real estate. The firm partners with management teams worldwide to accelerate growth and create lasting value. It operates from 24 offices across North America, Europe, Asia, and Australia.