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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesOllon VdJean-Christophe Lack S.A.
Jean-Christophe Lack S.A. Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Lack SA specializes in the planning, installation, maintenance, and repair of sanitary facilities, heating systems, ventilation systems, and gas pipelines. The company also offers emergency services and maintenance services. Its core activities include: Sanitary installations (bathrooms, kitchens, toilets, etc.), Heating systems (heat generation, heat distribution, etc.), Ventilation systems, Gas pipelines and installations, Maintenance and repair of sanitary facilities, heating systems, and ventilation systems, Emergency services and 24/7 support. The company is also a concessionaire for the water network of the municipality of Ollon and for the installation of gas pipelines.

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Products & services

Industry:Plumbing & Building Services
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4.1/5

Jean-Christophe Lack S.A.

3
Sanitary installations
Sanitary installations for kitchen, bathroom, WC and laundry room; new installations, renovations, maintenance, descaling and troubleshooting.
Heating
Heat and hot-water production from all types of energy; solar, heat pumps, pellets, wood, natural gas, propane, heating oil, refurbishment of boiler rooms, flue lining and ventilation.
Water & Gas
Concession holder for the municipal water network of Ollon and the installation of natural gas pipes before and after the meter; technical study, coordination, maintenance and troubleshooting.
Trust & reputation

ranQ Trust Score of Jean-Christophe Lack S.A.: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Jean-Christophe Lack S.A. has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Jean-Christophe Lack S.A. scores 85.5 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.55.07%
Jean-Christophe Lack S.A. 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%
Jean-Christophe Lack S.A. scores 4.9 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 35.4.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jean-Christophe Lack S.A. reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

chemin des Esserts
1867 Ollon Vd
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.833.599
Founded
1995 · 31 years
Last commercial register change
November 26, 2008
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.
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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