Cross-border wealth demands long-term governance
We don't file a single tax return for you. Instead, within an annual governance framework, we help cross-border families and business owners keep making the decisive calls on tax, structure and residency—across every jurisdiction that matters.
What you lack isn't experts—it's someone to orchestrate the experts on your behalf.
The greatest risk in cross-border affairs is that every jurisdiction has its own adviser, yet no one is accountable for the whole picture. Based in Hong Kong, we act as your single long-term decision centre—drawing on Diadem Group's cross-border service network to coordinate the tax, legal and accounting modules, each doing what it does best.
Four services, all built around governance
From tax pathways to family governance, from structural design to professional coordination—a single long-term decision centre covering the critical judgements of cross-border wealth.
Not a one-off engagement—
a year-round governance relationship
What you take on isn't a single report, but a year-round relationship that keeps judging, coordinating and reviewing on your behalf—running annually, recalibrating as regulations and family circumstances change.
Year-round, someone sees clearly which path you should take—rather than filing one more return.
Draw the identity, assets and affairs scattered across jurisdictions into one governance system that runs year by year.
Turn your family's long-term goals into a governance system that keeps running—decisions settling into the system, not resting on any single person.
Governance is a living system, run year by year
Regulations and family circumstances change every year. We stay with you on an annual rhythm, rather than a one-off deliverable.
See the footprint
We map the tax footprint of your residency, assets and income sources across every jurisdiction, producing a baseline record of where you stand.
Compare and decide
For key decisions—residency, structure, timing—we lay out comparable pathways with a clear analysis of the trade-offs.
Bring it to ground
We engage licensed tax advisers and accountants to complete filings and attestation, while we own the coordination and quality control.
Recalibrate over time
Each year we test whether the chosen pathway still holds, adjusting as regulations and family circumstances evolve.
We stand only
on your side.
Independence is what makes governance possible. The three commitments below never change, for every client we serve.
We manage structure, rules and coordination—we never manage your money or handle your funds on your behalf.
Our income comes solely from the governance fee you pay, with no referral commissions from any institution—no conflict of interest.
Governance design and the selection of firms are guided by one benchmark alone: the family's goals.
Governance and execution are kept separate: the judgement rests with us, while filing and attestation are completed by independent licensed firms—a balance of checks that lowers your risk.
Long-term thinking on cross-border governance
About our services: what we do, and what we don't
Do you file my returns? Can you guarantee tax savings? How do you differ from a private bank's family office?—the questions we are asked most before a first consultation, answered in one place.
The five most common traps in cross-border tax and family arrangements
What is truly dangerous is never the plainly unlawful, but misplaced assumptions: mistaking planning for a promise, treating “lawful offshore” as a shield, taking a one-off scheme for long-term governance. We unpack each in turn.
What high-net-worth families need isn't a “tax firm”—it's a governance platform
Expert answers are not scarce. What is scarce is a system that keeps making the long-term judgements on your behalf. A structural look at why “finding someone who really knows tax” doesn't solve a cross-border family's underlying problem.
Let's start by talking through where you stand
The first consultation is free of charge and free of any sales pitch: we first help you frame your situation and questions clearly, then tell you candidly whether you actually need a governance framework.
Book an initial consultation