Contact Mueller Stöckli Treuhand AG in Zug — Alpine lake, Swiss Alps
Zug, CH
Address Stockerstrasse 21
6300 Zug, Switzerland
Office hours Mon–Fri, 08:30–17:30

Get in touch

Tell us how
we can help

We respond to all enquiries within one business day. The initial 30-minute consultation — by phone or in person at our Zug office — is free of charge and carries no obligation. All discussions are subject to strict professional secrecy under Swiss law. For urgent matters please call us directly on +41 41 511 21 05.

What to expect

From first contact
to engagement

  1. 1

    Submit your enquiry

    Use the form on this page or call us directly. A few words about your situation are enough.

  2. 2

    Response within one business day

    A member of our team contacts you to confirm receipt and arrange the next step.

  3. 3

    30-minute initial consultation — free of charge

    By phone or in person at Stockerstrasse 21, Zug. No obligation. We listen, assess your situation, and explain how we can help.

  4. 4

    Written proposal with fixed fee

    We send a written engagement letter setting out the scope of work and a fixed monthly or one-off fee. No hourly billing surprises.

  5. 5

    Engagement starts

    You have immediate access to your dedicated fiduciary. We handle onboarding, authority registrations, and system setup.

Office information

Find us
in Zug

Office hours

Monday – Friday: 08:00 – 17:30
By appointment outside these hours on request.

Languages

German (primary), English, French on request.

Location & access

Stockerstrasse 21, 6300 Zug.
Five minutes on foot from Zug Bahnhof (main station). Parking available on Stockerstrasse.

FAQ

Common questions

How quickly will you respond to my enquiry?

We respond to all enquiries within one business day. For urgent matters, call us directly on +41 41 511 21 05.

Is the initial consultation free?

Yes. The first 30-minute consultation is free of charge, with no obligation. We use it to understand your situation and explain how we can help. There is no pressure to proceed.

What information should I prepare before contacting you?

For company matters: company name, legal form (AG or GmbH), approximate annual turnover, number of employees, and the specific service you need. For personal tax enquiries: residency status, permit type if applicable, current tax canton, and any particular circumstances (e.g. foreign income, real estate, share options). The more context you provide, the faster we can assess your situation.

For a full overview of what we offer, visit our services page. Fixed fees are listed on our pricing page. Background on the firm and our team is on the about us page.

Address Stockerstrasse 21, 6300 Zug
Office hours Mon–Fri  08:30–17:30