Dietrich Treuhand AG

«Thanks to Vertec, we have centralized all address and mandate data in one dynamic system. Every employee always knows the up to date status.»

Simon Dietrich, Managing Director, Dietrich Treuhand AG

Company

Dietrich Treuhand AG (DTAG) has been active in the fiduciary sector for almost 30 years. DTAG is a classic, independent fiduciary company, has the approval of the Swiss Federal Audit Supervisory Authority RAB and is a member of the Swiss Association of Trustees TREUHAND|SUISSE.
As of 2026, Dietrich Treuhand AG (DTAG) is managed by the Vertec sales partner Lean Business AG.

Field of activity: fiduciary, management consulting, accounting, taxes, auditing, estate administration, real estate sales

Headquarters: Dübendorf, Switzerland