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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringBürglen TgConvia Bau AG
Convia Bau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Convia Bau AG is road and civil engineering, including surfacing works, environmental construction, sports facility construction, innovations and special works.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered6
Road construction
New construction and renovation of roads, from secondary roads to high-capacity roads, with short traffic interruptions and implemented reference projects in expansion and renewal.
Civil engineering
Construction of supply and disposal lines as well as solutions for demanding and complex underground projects.
Road surfacing
Renewal and asphalt surfacing of pavements, access roads, residential streets and forecourts, as well as works related to road surfaces.
Site development
Design and enhancement of areas around industrial, commercial and private properties, including consulting and site design.
Sports field construction
Construction and renovation of sports facilities such as school sports facilities, athletics oval tracks and all-weather pitches.
Innovations and special works
Special procedures and construction innovations such as InLinePave, Beschicker, rapid construction and maintenance of farm roads for more efficient implementation.
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4.2/5

Convia Bau AG

Trust & reputation

ranQ Trust Score of Convia Bau AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Convia Bau AG scores 67.5 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.62.424%
  • 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.63.210%
  • 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.88.08%
Convia Bau AG scores 97.5 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.90.07%
Convia Bau AG scores 86.7 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).86.722%
Convia Bau AG scores 34.1 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 35.31.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.36.74%
Qualifications+0.00

Convia Bau AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 11 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.211
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 23, 2022Media
Baufirma organisiert Grabenstrassenfest als Dankeschön
thurgauerzeitung.ch
December 3, 2021Media
Bürglen: Convia kürt drei glückliche Gewinner
nau.ch
August 1, 2018Media
Der Thurgau zieht die Convia nicht mehr im Einladungsverfahren bei
thurgauerzeitung.ch
July 31, 2018Media
Deutsches Bauunternehmen mischt den Thurgauer Markt auf
thurgauerzeitung.ch

Knowledge

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Comparisons

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Location

Weinfelderstrasse 966
8575 Bürglen Tg

At a glance

Legal form
Corporation
UID
CHE-114.458.966
Founded
2008 · 18 years
Last commercial register change
August 17, 2026
Employees
51 to 100
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.100.03%
    • Full methodology

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