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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryLe LignonMaison V. Guimet fils, Société Anonyme
Maison V. Guimet fils, Société Anonyme Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the maintenance, inspection, repair and construction of sewage systems, including: inspection and diagnosis of sewage systems, repair and maintenance of sewage systems, construction and rehabilitation of sewage systems, camera inspection of sewage systems, leak detection and odor tracing, creation of schematic plans, performance of tightness tests, repair and maintenance of pumps and lifting stations, transportation and pumping of liquids. The company also offers emergency services and has a long history dating back to 1873.

AI-generated
Offering

Products & services

Industry:Waste Management Industry
✓ Offered11
Sewer maintenance
Maintenance and upkeep of sewer lines, preventive cleaning and proactive system management; preventing blockages, leaks, flooding and wastewater emergency interventions.
Drain-down stack maintenance
Cleaning and maintenance of drain-down stacks in condominiums, residential buildings and commercial premises; preventing clogs, bad odours and overflows.
Lift pumps
Maintenance and troubleshooting of wastewater lift pumps; cleaning, degreasing, adjustment of floats and check valves, electrical inspection, replacement of parts, preventive maintenance.
Pumping and transport
Pumping of septic tanks, grease separators, hydrocarbon separators and road sacks; transport of hazardous materials and disposal of wastewater, oils and fats.
Camera inspection
Camera inspection of sewer lines to detect blockages, cracks, leaks, invasive roots and other defects; detailed report with images and videos.
Leak detection
Water leak detection in sewer lines, under floors or within plumbing installations; fast and precise detection using thermal camera, acoustic listening and pressure tests.
Odour detection
Search and identification of bad odours in sewer lines and the drainage network; locating blockages, dried-out siphons, micro-leaks and ventilation problems.
Leak tightness testing
Leak tightness testing of sewer lines and tanks by injecting air or water under pressure; compliance checks, work acceptance and verification after repair.
Schematic survey
Schematic survey of sewer lines and up-to-date mapping of wastewater networks; identification, tracing and documentation of installations for maintenance and interventions.
Sewer rehabilitation
Sewer rehabilitation by pipe lining; repair without excavation, wall reinforcement, improved sealing and extended service life of the conduits.
Masonry work
Specialist masonry for wastewater works; repair of cracked inspection chambers and septic tanks, creation or renovation of lift station units, sealing, frames, covers and bulkheads.
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4.2/5

Maison V. Guimet fils, Société Anonyme

Trust & reputation

ranQ Trust Score of Maison V. Guimet fils, Société Anonyme: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Maison V. Guimet fils, Société Anonyme scores 67.0 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.56.824%
  • 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.65.210%
  • 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.100.08%
Maison V. Guimet fils, Société Anonyme scores 89.3 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.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.70.07%
Maison V. Guimet fils, Société Anonyme 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%
Maison V. Guimet fils, Société Anonyme scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Maison V. Guimet fils, Société Anonyme reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 12 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
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle412
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin du Château-Bloch 15
1219 Le Lignon
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-107.024.083
Founded
1931 · 95 years
Last commercial register change
July 3, 2026
Employees
11 to 20
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.100.06%
  • 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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