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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesCrissierDVG Sàrl
DVG Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of DVG Sàrl consists in the planning and execution of technical installations in buildings, industrial facilities and laboratories, particularly in the areas of: sanitary installations (water, wastewater and rainwater pipes), heating systems (gas central heating, pellet stoves, heat pumps), gas installations (natural gas, propane, medical gases) and laboratory installations (gas systems, water and wastewater pipes). The company also provides services as a technical trustee and collaborates with partners to offer comprehensive solutions.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered6
Sanitary installations
Potable water installations, drainage for wastewater and clean water for buildings, industrial installations and laboratories.
Heating installations
Heating installations for buildings, industrial installations and laboratories, with gas boilers, pellet boilers and heat pumps (PAC).
Gas installations
Natural gas and LPG (propane gas) installations, with work for buildings, industrial installations and laboratories.
Medical gases
Services related to medical gases in partnership with Gloor SA for buildings, industrial installations and laboratories.
Laboratory gases
Studies and executions of gas installations for laboratories, in addition to technical installations for buildings and industry.
Studies and technical mandates
Studies and services as a technical representative for technical installations in buildings, industry and laboratories.
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4.2/5

DVG Sàrl

Trust & reputation

ranQ Trust Score of DVG Sàrl: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

DVG Sàrl scores 74.7 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.79.424%
  • 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.52.910%
  • 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.88.08%
DVG Sàrl scores 83.0 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.55.07%
DVG Sàrl 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%
DVG Sàrl scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

DVG Sàrl reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 7 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 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Chemin de Praz 2
1023 Crissier
Opening hours
Mon
07:30 - 12:00, 13:00 - 16:30
Tue
07:30 - 12:00, 13:00 - 16:30
Wed
07:30 - 12:00, 13:00 - 16:30
Thu
07:30 - 12:00, 13:00 - 16:30
Fri
07:30 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.822.658
Founded
2002 · 24 years
Last commercial register change
September 12, 2025
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.
88.0
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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