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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsAmriswilThoma Generalunternehmung AG
Thoma Generalunternehmung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Thoma Generalunternehmung AG is a real estate company providing services across the property lifecycle. Its offerings include property valuation, brokerage for buying and selling, project development, portfolio management, and rental and property administration services.

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Products & services

Industry:General Contractors
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4.4/5

Thoma Generalunternehmung AG

5
Buying and selling
Real estate sale and purchase of private properties up to investment properties; brokering of houses, apartments, commercial premises and building land, including appraisal, marketing and the land register appointment.
Renting and property management
Property management contracts for rental properties and condominium ownership (stockwerkeigentum) with 10 or more apartments, initial letting, letting individual apartments as well as commercial and office space.
Real estate appraisal
Free market price estimate and well-founded appraisal report for a house, apartment or plot of land; for sale, financing, estate division and other decision-making requirements.
Project development
Project development for new-build projects and residential developments; from concept to the implementation of owner-occupied and rental apartments as well as single-family houses.
Portfolio management
Portfolio management for real estate holdings; care and asset management of properties within the scope of comprehensive real estate services.
Trust & reputation

ranQ Trust Score of Thoma Generalunternehmung AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

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Data basis 96% · As of October 2026

Thoma Generalunternehmung AG scores 72.0 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.69.424%
  • 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.55.910%
  • 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.100.08%
Thoma Generalunternehmung AG scores 92.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.82.07%
Thoma Generalunternehmung AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Thoma Generalunternehmung AG scores 100.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Thoma Generalunternehmung AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 8 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
4.5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.58
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnhofstrasse 13a
8580 Amriswil

At a glance

Legal form
Corporation
UID
CHE-105.437.675
Founded
2000 · 26 years
Last commercial register change
May 14, 2024
Employees
21 to 50
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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