Family offices in Asia and the stock market crash: wealth preservation planning

Why does a stock market crash matter to family offices in Asia?

A family office is a privately held company that handles investment and wealth management for a wealthy family, with the goal of growing and passing on wealth across generations (Wikipedia). Running one can cost over $1 million a year. Fixed costs continue in a crash while portfolio values fall, so a family office feels both sides of the squeeze.

Asia is a large base. Around 2,700 single family offices operated in Hong Kong as of end-2023, and the Hong Kong government expects the number to pass 3,000 (government reply of July 2025). Singapore runs its own family office tax schemes. Both markets saw index falls in 2008, of 49.41% and 48.27%, so the local crash history is part of a family office’s risk picture.

What does wealth preservation mean in a family office plan?

Wealth preservation means keeping the family’s purchasing power and its ability to meet obligations through a downturn, across generations. It differs from maximising return. A plan sets the amount of liquid funds needed for several years of spending, the largest loss the family accepts, and the order in which assets are sold if cash is needed.

Writing these limits down in calm periods has a practical benefit: decisions in a crash then follow the plan and avoid improvisation. Wikipedia lists the functions that a family office covers, including investment management, succession planning, family governance, and philanthropy coordination. A crash touches every one of them at once.

How do Singapore family office tax thresholds react to a crash?

Singapore’s section 13O and 13U schemes exempt the qualifying income of family office funds. The fund needs at least S$20 million of assets in designated investments for 13O, or S$50 million for 13U, and at least 2 or 3 qualifying investment professionals, of whom 1 is not a family member (MAS).

The MAS FAQ states that if assets fall below the minimum at the end of a basis period, the fund cannot claim the exemption for that period. It can claim again in a later period when it meets the minimum again. A crash can therefore cost a tax exemption as well as portfolio value, and the buffer above the threshold matters.

How do Hong Kong family office tax thresholds react to a crash?

Hong Kong’s concession for family-owned investment holding vehicles, in operation since 19 May 2023, sets a 0% profits tax rate on qualifying transactions. The vehicle must be managed by an eligible single family office with aggregate net asset value of at least HK$240 million (Inland Revenue Department).

The rule has a look-back. If the value falls below HK$240 million in the subject year, the threshold is still met when the value was at least HK$240 million at the end of either of the two preceding years. The look-back covers two years after a fall. Compare it with the Singapore end-of-period test when you choose a structure.

How much cushion does a family office need above a threshold?

Take an illustration, not a forecast. A Singapore fund of S$40 million invested only in an index that falls 49.41%, the fall of the Straits Times Index in 2008, ends near S$20.2 million, just above the S$20 million floor of the 13O scheme. At S$30 million the same fall ends near S$15.2 million, below the floor.

In Hong Kong, a vehicle of HK$480 million exposed to a 48.27% fall, the fall of the Hang Seng Index in 2008, ends near HK$248 million, still above the HK$240 million threshold. The arithmetic shows why a family office tests its portfolio against a historical fall before a crash and holds assets outside the index. Each family sets its own cushion.

Which policies protect a family office portfolio in a crash?

Four written policies carry most of the protection: a liquidity reserve for several years of spending, a concentration limit per asset and per market, a rebalancing rule with dates and bands, and a list of assets to sell first when cash is needed. The schemes themselves use written rules, for example Singapore’s capital deployment requirement, which asks a fund to invest the lower of 10% of its assets or S$10 million in qualifying investments (MAS).

Policies need an owner and a review date. A quarterly review compares each reading with its limit and records the result. The family council signs off changes in calm periods only. This governance habit matters more than any single instrument, because a crash tests people before it tests products.

How can a family office start wealth preservation planning today?

Start with five steps as of October 2026: list the assets and where they sit, mark the tax thresholds that apply, test the portfolio against the falls of 2008 in Singapore and Hong Kong, write the four policies, and set the quarterly review date. Each family also needs its own legal and tax advisers for the final structure.

The EQOS Asia private page describes cases such as succession and wealth transfer for founders and family groups across Singapore, Hong Kong, mainland China, and ASEAN. A 30-minute pre-diagnostic through the contact page applies the scoring to your family’s exposure, and the Λ simulator lets you test a soft landing, a correction, and a crash first.

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About the author

Stéphane Jambu

President, EQOS Forecast Asia

Stéphane Jambu leads EQOS Forecast Asia and works as a consultant in e-commerce, search visibility, and AI. LinkedIn profile