Fiduciary Offices in
Seon

William Diana Consulting

Since 2006 · 1–10 empl.

William Diana Consulting provides personal financial and insurance advisory services for private individuals. Its core activities include insurance optimization, retirement planning, taxes, wealth building, and property financing.

WD Consulting GmbH

Since 2021 · 1–10 empl.

The core activity of WD Consulting GmbH is the comprehensive consulting and support of private individuals and small and medium-sized enterprises (SMEs) in the following areas: Taxes (tax optimization, tax returns), Accounting (compliant accounting, personnel management, income statement & balance sheet), Insurance (advice and brokerage of insurance solutions), Pension and asset planning (advice and planning), and Real Estate (advice and support in real estate transactions). The company offers a holistic approach and solution to meet the needs of its clients and supports them in achieving their specific goals in all personal and business areas.

perFITALIS gmbh

Since 2012 · 1–10 empl.

Wernli Treuhand GmbH

Since 1998 · 1–10 empl.

AZ Treuhand Consulting, André Zemp

Since 2013 · 1–10 empl.

wernli consulting gmbh

Since 2016 · 1–10 empl.

Zahlenkompass GmbH

Since 2025 · 1–10 empl.

WD Immobilien & Finanz GmbH

Since 2025 · 1–10 empl.