A long-term governance relationship, not a one-off service
Diadem membership isn't about buying a report. It's about entrusting your entire cross-border journey to a long-term decision centre that runs year by year—continuously judging, coordinating and reviewing.
Regulations and family circumstances change every year, so governance must run year by year.
The biggest risk of a one-off engagement is treating dynamic family affairs as a static deliverable. A membership relationship lets judgement carry forward: each year the pathway is reviewed and recalibrated to change, so that decisions settle into a system.
Deepening tier by tier, with complexity and depth of trust
We don't post prices online—every family's structure is different, and pricing is tailored to complexity and depth of engagement. Book first, and we'll help you judge which tier you need.
- A multi-jurisdiction tax-obligation map (baseline record)
- Year-round monitoring of your tax pathway and prompts on key decisions
- Selection and coordination of licensed tax advisers and accountants
- Annual governance meeting and review report
Year-round, someone sees clearly which path you should take—rather than filing one more return.
- Everything in Foundation
- A family risk map with annual updates
- Quarterly governance reports · two expert sessions a year
- Cross-jurisdiction structural check-up and adjustment recommendations
Draw the identity, assets and affairs scattered across jurisdictions into one governance system that runs year by year.
- Everything in Family
- Family charter and succession planning
- A dedicated adviser · full coordination of affairs
- Priority on project work (structuring, trusts) and member pricing
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.
Membership provides governance advisory and coordination of affairs; it does not constitute tax, legal or investment advice, nor does it promise any tax outcome, and it does not involve regulated asset management or securities business. Specific filings, attestation and the drafting of legal documents are completed by independent licensed professional firms in accordance with their own professional standards.