Fiduciary Offices in
Susten

Quadis Treuhand AG

Since 1978 · 21–50 empl.

Quadis Treuhand AG provides fiduciary and advisory services, including tax advice for individuals and legal entities, accounting, payroll, HR and business consultancy. The group also offers audit services (performed by Quadis Revisionen GmbH), management mandates and family office support, explicitly excluding asset management.

PFR Investment AG

Since 2008 · 1–10 empl.

The core activity of PFR Investment AG is the provision of trust and financial services, including administration, for clients throughout Switzerland.

Quadis Management GmbH

Since 2012 · 1–10 empl.

Quadis Management GmbH provides management and financial advisory services, including international tax advice, assistance with restructurings, and the provision of board mandates or temporary executive management.

Quadis Revisionen GmbH

Since 2012 · 1–10 empl.

Quadis Revisionen GmbH provides statutory audit and assurance services, reviewing annual financial statements and offering limited audits, public-sector audit mandates, corporate-law special examinations, due diligence and the design and testing of internal control systems.

LOL and Seven GmbH

Since 2019 · 1–10 empl.

Purana GmbH

Since 2025 · 1–10 empl.