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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,194 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesSarnenMathias Steiner Treuhand GmbH
Mathias Steiner Treuhand GmbH Logo
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Mathias Steiner Treuhand GmbH

Summary

About the company

The company's core activity is the provision of trust services, in particular: accounting, payroll administration, tax consulting, business consulting, and auditing. The company focuses on the needs of small and medium-sized enterprises (SMEs) and offers individual consulting and support in these areas.

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Offering

Products & services

Industry:Fiduciary Offices
✓ Offered5
Bookkeeping
Bookkeeping, annual financial statements and VAT returns; including annual closing review, Abaweb fiduciary support, classic outsourcing, or simplified bookkeeping for sole proprietorships.
Payroll administration
Payroll calculations, accident and sickness notifications, social security declarations and salary certificates; full payroll administration or support with specific questions.
Tax advisory
Tax returns, objection and appeal letters, real estate gains tax, tax optimisation, and review or full representation before the tax authorities.
Business consulting
Strategic planning, reorganisations, controlling, business management support, company formation and liquidations; guidance for business decisions.
Audit
Limited audit under Art. 727 et seq. of the Swiss Code of Obligations, performed by an approved auditor registered with the Federal Audit Oversight Authority.
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Location

Güterstrasse 3
6060 Sarnen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:30
Tue
07:30 - 12:00, 13:30 - 17:30
Wed
07:30 - 12:00, 13:30 - 17:30
Thu
07:30 - 12:00, 13:30 - 17:30
Fri
07:30 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.809.534
Founded
2002 · 24 years
Last commercial register change
June 22, 2026
Employees
1 to 10

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