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Family office

What is a private trust company?

Short definition

A private trust company is a company acting as trustee exclusively for the trusts of one family. Instead of appointing a professional trustee, the family sets up its own company whose board includes family members and advisers, keeping more influence over trust administration.

Many wealthy families use trusts but do not want to leave administration entirely to an outside trustee. A private trust company combines both: the trusts remain, but a company close to the family acts as trustee.

Structure

The PTC is usually a company whose shares are held by a purpose vehicle, a foundation or its own trust, so it does not sit directly in a family member’s estate. Its board consists of family members, independent professionals and often a representative of the family office. Day-to-day administration is frequently handled by a family office or an appointed provider.

Regulatory classification

Trustees in Switzerland generally need a licence under the FinIA. Exemptions exist for structures managing exclusively the assets of persons with family ties; whether a specific PTC qualifies depends on its design and belongs in a legal assessment. Abroad, depending on the seat, own rules apply, such as registration duties or PTC exemptions.

Day-to-day duties

A PTC must also document trust deeds, resolutions, distributions and beneficiaries properly. Banks require Form T for the trusts’ accounts, and for automatic exchange of information it must be clarified whether the PTC or the trust counts as a reporting financial institution. A clear family charter also sets out who sits on the board and how conflicts are resolved.

Sources and references
  • Federal Act on Financial Institutions (FinIA, SR 954.1), provisions on trustees and family structures

Legal position as of October 2026. Not legal advice for an individual case.

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