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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesYverdon-Les-BainsGROUPE TRAVAUX SPECIAUX SA
GROUPE TRAVAUX SPECIAUX SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of GTS (Groupe Travaux Spéciaux SA) consists of carrying out specialized work in the construction sector, particularly in the following three domains: 1. **Waterproofing**: This includes work such as sealing buildings, renovating water damage, injecting joints, and applying sealing materials. 2. **Renovation**: This encompasses work such as cleaning and renovating concrete, applying corrosion protection agents, injecting joints, and applying protective coatings. 3. **Floor Coatings**: This involves applying various coating materials such as epoxy resin, polyurethane, PMMA, and others to floor surfaces to protect and enhance them. These activities are carried out in various sectors such as construction, industry, administration, and others.

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Products & services

Industry:Specialized Construction Activities
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4.1/5

GROUPE TRAVAUX SPECIAUX SA

✓ Offered6
Waterproofing
Waterproofing coating, sprayed waterproofing, waterproofing of buried structures, joints, building tanking (cuvelage), tanks, swimming pools, cellars, balconies, terraces and bridges.
Concrete rehabilitation
Removal and re-profiling of degraded concrete, passivation of steel reinforcement, corrosion inhibitor, protective coatings, injection of cracks, sandblasting, reinforcement of structures.
Industrial resin floor coatings
Epoxy resin, polyurethane, PMMA, epoxy and polyurethane mortar, poured cement-based coating, floor paint for industrial buildings, car parks, hospitals and commercial surfaces.
Water infiltration treatment by injection
Injection of water ingress points and injection of cracks to treat infiltrations in buildings, buried structures, tanks and other structures.
Structural strengthening
Strengthening the structure against punching shear, carbon lamellas and fabrics, steel lamellas, repair and consolidation of structures, buildings and structural elements.
Diagnostics and assessments
Diagnostics and technical assessments for structures and civil engineering works, buildings, residences, sewage treatment plants and tanks, to support special works.
Trust & reputation

ranQ Trust Score of GROUPE TRAVAUX SPECIAUX SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

GROUPE TRAVAUX SPECIAUX SA scores 61.7 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.55.624%
  • 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.49.510%
  • 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%
GROUPE TRAVAUX SPECIAUX SA scores 95.0 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.82.07%
GROUPE TRAVAUX SPECIAUX SA 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%
GROUPE TRAVAUX SPECIAUX SA scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GROUPE TRAVAUX SPECIAUX SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 6 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
3.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle3.86
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hier entsteht die Karte
Route de Lausanne 25
1400 Yverdon-Les-Bains
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:00
Tue
08:00 - 12:00, 13:00 - 16:00
Wed
08:00 - 12:00, 13:00 - 16:00
Thu
08:00 - 12:00, 13:00 - 16:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.283.359
Founded
2008 · 18 years
Last commercial register change
June 6, 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.95.03%
    • Full methodology

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