AURELIAN

Strategic Advisory & Private Capital

Capital Advisory M&A Strategy Family Office Institutional Partnerships Private Equity Wealth Preservation Legacy Planning Global Stewardship Capital Advisory M&A Strategy Family Office Institutional Partnerships Private Equity Wealth Preservation Legacy Planning Global Stewardship
Enter the Ledger
I — The Letter

Our firm was founded on the conviction that capital, thoughtfully deployed, is the most powerful instrument of lasting enterprise. We do not manage assets. We steward institutions.

For three generations, AURELIAN has served a select roster of families, foundations, and institutions whose ambitions extend beyond the fiscal quarter. Our mandate is not growth for its own sake, but the preservation and cultivation of legacy — the careful architecture of wealth that outlives its architects.

In an age of velocity, we choose deliberation. In a culture of transaction, we build relationship. Every engagement begins not with a pitch, but with a question: What are we building that will matter in fifty years?

On stewardship — The term derives from Old English stigweard, "keeper of the hall." We take the etymology seriously.
Founder portrait, sepia-toned bookplate A. C. Whitmore — Founding Partner, MCMXLII

From a private study in Geneva to a practice spanning three continents, the principles that guided our founding remain unchanged: discretion, precision, and the long view.

II — Our Approach

Table of Contents

We organise our practice around four pillars. Each is a discipline, not a product.

01
Capital Advisory
Strategic allocation across public and private markets, with a bias toward concentrated positions and multi-generational holding periods. We do not trade; we build.
02
M&A Strategy
Buy-side and sell-side advisory for transactions that reshape industries. We represent principals, not processes — every mandate is a relationship, not a mandate number.
03
Family Office
Integrated wealth architecture for single-family and multi-family offices: governance, succession, philanthropy, and direct investment. The family's balance sheet as an instrument of purpose.
04
Institutional Partnerships
Endowment and foundation advisory for institutions that think in half-centuries. We align capital structure with mission, not benchmark.
Luxury advisory office interior

Geneva — London — Singapore — each office is a permanent outpost, not a flag. Our partners are present, not remote.

III — Select Engagements
IV — Masthead

The Partners

  • A. C. Whitmore Managing Partner — Geneva

    Thirty years leading cross-border mandates in private capital, M&A, and family office design. Formerly Deputy Chairman, Coutts & Co. Trustee to three multi-family offices.

  • M. E. Laurent Partner — London

    Former partner at Slaughter and May specialising in private M&A and corporate governance. Advises on complex cross-jurisdictional transactions and family governance structures.

  • J. T. K. Tan Partner — Singapore

    Twenty years in Asian private markets, including sovereign wealth fund advisory and direct infrastructure investment. Board member of three SE Asian family conglomerates.

  • E. V. Castellano Partner — Geneva

    Chief Investment Officer. Previously led the $14B endowment investment team at a major European foundation. Expertise in alternative assets, factor allocation, and mission-aligned investing.

Associates & Counsel

H. M. FischerSenior Counsel — Zurich
R. K. PatelDirector — London
S. A. OkaforVice President — Geneva
L. J. ParkVice President — Singapore
C. D. BeaumontAnalyst — Geneva
Partners gathered in a private library

We do not publish individual biographies. Our reputation is collective, not personal. The firm endures; individuals are its stewards for a season.

V — Reading Room

Insights

From the library. Select reflections on capital, governance, and the long view.

The Architecture of Patience
"The most enduring portfolios are not the most complex. They are the most deliberate. Structure follows conviction, not the reverse."
Read more
Beyond the Benchmark
"A family office that outsources its thinking has outsourced its future. The premium is not in selection — it is in conviction."
Read more
The Stewardship Contract
"Capital without governance is speculation. Governance without capital is theory. The synthesis is where lasting institutions are built."
Read more
Continuity & Change
"The families that navigate succession best treat it not as a single event but as a continuous process — a conversation that spans decades."
Read more
VI — Correspondence

We invite your inquiry.

We accept introductions by referral and welcome direct correspondence from principals and their advisors.

→ Submit inquiry

"In all affairs, be led by those who have seen further."

— Firm maxim

Geneva
2nd Floor, Quai des Bergues 17
1201 Geneva, Switzerland
London
37 St. James's Street
London SW1A 1JD
Singapore
6 Battery Road, #32-01
Singapore 049909

AURELIAN — Founded MMXXIV — Geneva — London — Singapore

Established in the year of our Lord two thousand and twenty-four