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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet Metal WorkSurpierreBongard S.A.
Bongard S.A. Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Bongard S.A. installs and renovates heating and sanitary systems and carries out solar thermal installations, as well as providing maintenance and repair services for thermal and sanitary equipment. The company also offers water treatment solutions and supplies propane and CO₂ bottles.

AI-generated
Offering

Products & services

Industry:Sheet Metal Work
✓ Offered5
Heating systems
Installation, maintenance and repair of heating systems, including heat pumps, gas or oil boilers, cleaning of ducts, descaling of boilers and chimney lining.
Sanitary installations
Complete bathroom and kitchen installations, municipal and private water networks, salt or CO₂ water softeners, bathtub shells and shower wall panels.
Solar thermal energy
Installation, maintenance and repair of solar thermal systems for the production of domestic hot water, including quotation, installation and monitoring.
Troubleshooting, maintenance and renovation
Rapid interventions for leaks, heating breakdowns and water pressure problems, as well as maintenance of the installations and renovation work.
Delivery of propane and CO₂ cylinders
Delivery of propane and CO₂ cylinders for the installations and water softeners.
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4.1/5

Bongard S.A.

Trust & reputation

ranQ Trust Score of Bongard 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.

Bongard 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%
Bongard 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%
Bongard S.A. scores 83.3 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).83.322%
Bongard S.A. scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bongard 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

Route du Basset 4
1528 Surpierre

At a glance

Legal form
Corporation
UID
CHE-102.315.900
Founded
1980 · 46 years
Last commercial register change
May 26, 2016
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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