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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsGrolleyJ-B GRIVEL & FILS SA
J-B GRIVEL & FILS SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of J-B GRIVEL & FILS SA is the installation, maintenance and repair of heating systems, including boilers, burners, heating oil tanks and chimneys. The company also provides services in the field of energy production through solar energy.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered9
Heating maintenance contracts
Maintenance contracts for heating installations, with regular monitoring of boilers and burners and maintenance interventions.
Heating installation, renovation and maintenance
Installation, renovation and maintenance of heating installations, with technical advice for boilers, burners and associated equipment.
Boiler and burner maintenance
Maintenance of oil-fired or gas-fired boilers and of oil or gas burners, with operating and monitoring service.
Boiler refurbishment
Boiler refurbishments to bring heating installations back into working condition or to extend their operating life.
Inspection and refurbishment of fuel tanks
Inspections and refurbishments of fuel tanks, with checks and restoration of the reservoirs linked to heating installations.
Chimney flue liners
Chimney flue liners for heating installations, with adaptation of the exhaust ducts to technical requirements.
Solar energy
Services related to solar energy, integrated into installation and heating equipment projects.
Breakdown service 7 days / 7
Breakdown service available seven days a week for heating installations and their components.
Projects and quotes
Preparation of projects and quotes for heating installations, renovations and related work.
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4.1/5

J-B GRIVEL & FILS SA

Trust & reputation

ranQ Trust Score of J-B GRIVEL & FILS SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

J-B GRIVEL & FILS SA scores 57.5 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.70.024%
  • 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.35.08%
J-B GRIVEL & FILS SA 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%
J-B GRIVEL & FILS SA 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%
J-B GRIVEL & FILS SA scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

J-B GRIVEL & FILS SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 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
4.6
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.65
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de Fribourg 30
1772 Grolley
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
Corporation
UID
CHE-107.920.600
Founded
1987 · 39 years
Last commercial register change
January 13, 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.
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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