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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesWeiachUnterland Treuhand Martin Senn
Unterland Treuhand Martin Senn Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Unterland Treuhand encompasses the provision of services in the following areas: Taxes: tax returns, tax optimization, tax consulting, real estate gains; Finance: accounting, financial accounting, controlling; Inheritance and gifts: estate administration, probate, wills, death, inheritance division; Real estate: management, sales, consulting, market value assessment; IT: IT support, network, hardware sales, website and internet page creation. The company thus offers a comprehensive range of services for private individuals and companies in the areas of finance, taxes, real estate and IT.

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Products & services

Industry:Fiduciary Offices
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3.9/5

Unterland Treuhand Martin Senn

5
Tax return
Prepare tax returns, tax optimisation and advice; also for self-employed individuals as well as tax returns for GmbH/AG and the real estate capital gains tax.
Accounting | Finance | Tax
Bookkeeping, accounting and controlling; support and ongoing assistance with bookkeeping, including proper management of vouchers and the cash ledger.
Real estate | Properties
Property management, purchase and sale of real estate, advice and market value appraisal; further services by arrangement.
Inheritance – Gift
Executor’s mandate, estate administration, will, death and distribution of the estate.
IT
IT support, networks, sale of hardware and website creation.
Trust & reputation

ranQ Trust Score of Unterland Treuhand Martin Senn: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Unterland Treuhand Martin Senn scores 67.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.81.624%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.58.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
Unterland Treuhand Martin Senn scores 69.6 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.79.212%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Unterland Treuhand Martin Senn scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Unterland Treuhand Martin Senn scores 1.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Unterland Treuhand Martin Senn reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 9 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Trottenstrasse 20
8187 Weiach

At a glance

Legal form
Sole proprietorship
UID
CHE-443.359.026
Founded
2018 · 8 years
Last commercial register change
April 10, 2018
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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