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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesRiveraBM Engineering SA
BM Engineering SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of BM Engineering SA is the planning, execution and maintenance of buildings, particularly in the field of waterproofing, sealing and renovation of buildings, bridges, roads and other infrastructure. The activities include, among others: waterproofing of roofs, walls and foundations; sealing of bridges, roads and other traffic routes; renovation and restoration of existing buildings; protection against water damage and fire; special sealing and insulation; rehabilitation and strengthening of structures; injections for consolidation and sealing; waterproofing of swimming pools and other water facilities; and special seals and gaskets. The company also offers consulting, planning and execution of construction projects, as well as training and further education in the field of construction.

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Products & services

Industry:Specialized Construction Activities
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4.0/5

BM Engineering SA

✓ Offered10
Floor and wall coverings
Floor and wall coverings for new builds and renovations, with installation and surface protection.
Trafficable waterproofing
Trafficable waterproofing for surfaces exposed to traffic, with solutions for protecting and ensuring the watertightness of the built structure.
Conventional and special waterproofing
Conventional and special waterproofing for civil engineering works and buildings, with protection systems against seepage and moisture.
White, black and mixed tanks
White, black and mixed tanks for underground structures and water retention, with waterproof solutions integrated into the construction.
Special insulation and fire protection
Special insulation and fire protection for structural elements, with targeted work for safety and protection of the structures.
Structural repairs and reinforcement
Structural repairs and reinforcement for existing buildings and works, with consolidation measures and restoration of the structures.
Consolidation or waterproofing injections, moisture remediation
Consolidation or waterproofing injections and moisture remediation to counter seepage, moisture and weakening of the structures.
Waterproofing for pools and tanks
Waterproofing for pools and tanks for water containers and special works, with sealing systems and protection against seepage.
Special joints and sealing
Special joints and sealing for building elements, with solutions for watertightness, movement and protection of the connections.
Flood protection
Flood protection for buildings and structures, with measures and interventions to limit damage from overflow events or seepage.
Trust & reputation

ranQ Trust Score of BM Engineering SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

BM Engineering SA scores 61.0 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.74.424%
  • 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.49.510%
  • 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%
BM Engineering SA scores 84.6 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.97.712%
  • 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%
BM Engineering 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%
BM Engineering SA scores 10.3 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 35.10.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BM Engineering SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 6 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
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via Cantonale
6802 Rivera
Opening hours
Mon
08:00 - 18:30
Tue
08:00 - 18:30
Wed
08:00 - 18:30
Thu
08:00 - 18:30
Fri
08:00 - 18:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-399.261.918
Founded
2012 · 14 years
Last commercial register change
May 7, 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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