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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateReal Estate BrokerageBulleGrevire SA
Grevire SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Grevire SA provides design and installation of photovoltaic systems and related services, including the installation of solar panels, battery storage, electric vehicle charging stations and backup systems. The company also offers maintenance and after‑sales service, expansion of existing installations, official inspections and preparation of the technical dossier.

AI-generated
Offering

Products & services

Industry:Real Estate Brokerage
✓ Offered5
Installation of solar panels
Installation of solar panels for houses, PPE and rental buildings, with prior study, mounting, official checks and expansion of existing installations.
Installation of storage batteries
Installation of storage batteries for photovoltaic installations, integrated into the solar infrastructure and the technical commissioning of the system.
Installation of EV charging stations
Installation of EV charging stations, including the aids and subsidies mentioned for the associated installations.
Implementation of electrical backup systems
Implementation of power backup systems in the event of a power outage, with integration into the photovoltaic installation and the building infrastructure.
Photovoltaic maintenance and after-sales service
After-sales service and maintenance of photovoltaic equipment, with local interventions to ensure monitoring and upkeep of the installations.
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4.1/5

Grevire SA

Trust & reputation

ranQ Trust Score of Grevire SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Grevire SA scores 72.7 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.80.624%
  • 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.55.910%
  • 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.70.08%
Grevire SA scores 82.3 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.92.512%
  • 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%
Grevire 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%
Grevire SA scores 6.0 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 35.6.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grevire SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 8 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 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Route de Riaz 3A
1630 Bulle
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-165.380.180
Founded
2014 · 12 years
Last commercial register change
December 21, 2021
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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