Arbion
Also known as Arbion Limited
London investment management and advisory firm (FCA-regulated, SEC-registered) offering an outsourced investment office to families; USD 5.6bn under management and supervision.
USEFUL FOR Fund managers raising capital · Business owners seeking a long-term partner · Co-investors
Identity
- HEADQUARTERS
- London, United Kingdom
- FOUNDED
- 2009
- AUM
- $5.6B (2026)
Investment approach
- GEOGRAPHY
- Global
- ROUTES
- Direct investments · Funds (as LP)
- STRATEGIES
- Private equityPrivate creditReal estatePublic equitiesHedge funds
Overview
Arbion Limited is an independently owned investment management and advisory firm at One Connaught Place, London, incorporated in 2009 and regulated by the FCA (FRN 513138) and registered with the SEC as an investment adviser. It describes an outsourced investment office for global families, alongside bespoke portfolios for private investors, charities, family offices and institutions, multi-asset and fund-selection mandates, and UCITS funds. Its platform lets clients participate in selected private equity, private debt and real estate deals that it diligences itself. It reports USD 5.6 billion in assets under management and supervision as of May 2026.
People
- Marco PabstChief Investment Officer, Partner · source
- Ammalan AnnalingamHead of Multi-Asset Investments · source
- Michael RosenthalHead of Alternative Investments · source
- Alex JacksonInvestment Analyst · source
- Belinda EverettInvestment Analyst · source
- Carnegie SmythChief Executive Officer, Partner (co-founder) · source
- Greg MalonePartner (co-founder) · source
- Alisevket KaracaPartner · source
- Daniel PasiniPartner · source
- Dotan LiebermanPartner · source
- Egemen EdguPartner · source
- Jeremy TrabaudPartner · source
- Richard HanlonPartner · source
- Simon DurrantPartner · source
- Matthew BarnesHead of Fixed Income, Head of Credit · source
- Robert LeeHead of MPS, Head of Rates · source
- Robert SeiverHead of Risk · source
- Neesha JeshaniFinance Director · source
- Changmao SongHedge Fund Analyst · source
- Sachin OberoiFinancial Analyst · source
Classification
Multi Family Office. Provides family-office services to several families and invests or allocates their money — through mandates, its own programmes or club deals. Advice-only firms are not listed. How family capital is classified →
FAQ
Arbion is a multi family office based in London, the United Kingdom, founded in 2009.
Arbion invests directly in companies and in third-party funds as an LP. Its stated asset mix includes private equity, private credit, real estate, public equities and hedge funds.
Key people at Arbion include Carnegie Smyth (Chief Executive Officer, Partner (co-founder)), Greg Malone (Partner (co-founder)), Marco Pabst (Chief Investment Officer, Partner) and Alisevket Karaca (Partner).