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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationPampignyChristian et Isabelle Grandchamp Sàrl
Christian et Isabelle Grandchamp Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Grandchamp Electricité is the provision of services in the field of electrical engineering, including: installation of electrical systems (high and low voltage), repair and maintenance of electrical systems, sale and installation of electrical appliances (e.g. washing machines, dryers, cooking appliances, dishwashers, refrigerators, freezers), renovation and transformation of electrical systems, installation of photovoltaic systems and heating systems, and laying of networks and intercom systems. The company also offers a maintenance and repair service for electrical appliances and has a selection of brands such as Electrolux, AEG, Zanussi and Miele.

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Products & services

Industry:Electrical Planning & Installation
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4.0/5

Christian et Isabelle Grandchamp Sàrl

3
Electrical installations
Installations for high- and low-voltage systems, new builds, renovations, conversions, kitchen refurbishments, lighting, network cabling, intercoms and photovoltaic connections.
Electrical service and fault repair
Fault repair, small maintenance work such as installing lamps and sockets, and corrective work after inspections.
Appliance sales and installation
Sales, delivery and/or installation of washing machines, dryers, cooking appliances, dishwashers, refrigerators and freezers.
Trust & reputation

ranQ Trust Score of Christian et Isabelle Grandchamp Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Christian et Isabelle Grandchamp Sàrl scores 64.2 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.76.724%
  • 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.45.610%
  • 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.50.08%
Christian et Isabelle Grandchamp 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%
Christian et Isabelle Grandchamp Sàrl 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%
Christian et Isabelle Grandchamp Sàrl scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Christian et Isabelle Grandchamp Sàrl reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de la Tuilière 15
1142 Pampigny
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.443.769
Founded
2001 · 25 years
Last commercial register change
June 12, 2023
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.88.06%
  • 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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