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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionVernierM + M Montage et Maintenance SA
M + M Montage et Maintenance SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

M + M Montage et Maintenance SA is an interior fit-out company providing design, installation and maintenance of partition walls, suspended ceilings and raised access floors. It also supplies sanitary partitions, acoustic solutions, floor coverings and renovation/maintenance services for commercial and industrial interiors.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered7
Element partitions
Removable and mobile partitions, glazed partitions, sanitary partitions, self-contained boxes and changing rooms to reconfigure professional interior spaces.
Suspended ceilings
Suspended false ceilings in metal, wood, mineral fibre, wood fibre, aluminium slats, metal grilles, expanded metal and acoustic elements.
Raised access floors
Fixed or demountable raised access floors, with or without flooring coverings, with floor coverings for professional premises.
Acoustic solutions
Acoustic solutions to improve room acoustics and minimise noise disturbance in offices and other professional premises.
Assembly and maintenance
Assembly, installation and maintenance service for interior fit-out solutions, with in-house teams and project follow-up.
Full premises renovation
Renovation of offices and other premises including demolition, plastering and painting, installation of blinds and partition curtains, and renovation of existing areas.
Interior fit-out design and planning
Tailored advice and planning for interior fit-out projects, including drawing up plans and proposing the appropriate solution.
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4.4/5

M + M Montage et Maintenance SA

Trust & reputation

ranQ Trust Score of M + M Montage et Maintenance SA: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

M + M Montage et Maintenance SA scores 78.9 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.78.824%
  • 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.79.710%
  • 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.78.08%
M + M Montage et Maintenance SA scores 80.4 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%
M + M Montage et Maintenance 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%
M + M Montage et Maintenance SA scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

M + M Montage et Maintenance SA reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 22 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
4.7
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.722
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Avenue Louis-Pictet 9
1214 Vernier
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-384.767.540
Founded
2010 · 16 years
Last commercial register change
February 17, 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.76.06%
  • 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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