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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryFinance & InsuranceFiduciary OfficesAmriswilTrewim AG
Trewim AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Trewim AG encompasses the provision of services in the following areas: Trust services (financial and accounting, tax and corporate consulting, auditing), Real estate (management, condominium ownership, sales, rentals), and Pension and inheritance planning. The company positions itself as a partner for businesses and private individuals, offering competent consulting and services in these areas.

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Products & services

Industry:Fiduciary OfficesProperty Management
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Trewim AG

Real Estate Brokerage
✓ Offered8
Finance & accounting
Financial accounting, payroll processing and controlling as a planning and management instrument for companies.
Tax & business consulting
Tax advice for companies and private individuals, consulting on structuring and restructuring, and support with strategic decisions and business successions.
Auditing
Audit and business auditing to create transparency, clarity and more understandable annual financial statements.
Pension & inheritance
Administrative support and planning for pension and inheritance matters to avoid incorrect decisions.
Property management
Administration and care of properties to reduce costs and increase income.
Condominium ownership
Condominium ownership management and support for owners' associations with neutral administration of the shared property.
Real estate sales
Marketing and sale of apartments and houses, including buyer search, market knowledge and regular updates on the sales status.
Abacus software solutions
Accounting solutions with Abacus and AbaWeb for financial accounting, payroll processing, cloud access and modular use.
Trust & reputation

ranQ Trust Score of Trewim AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Trewim AG scores 84.8 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.77.124%
  • 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.95.110%
  • 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.95.08%
Trewim AG scores 89.3 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.100.012%
  • 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.70.07%
Trewim AG 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%
Trewim AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trewim AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 41 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
4.6
of 5

Aggregated from 41 reviews across all connected sources

Sources
GGoogle4.641
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Nordstrasse 13
8580 Amriswil
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-110.531.624
Founded
2004 · 22 years
Last commercial register change
May 12, 2022
Employees
11 to 20
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.
100.0
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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