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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementBissoneR. & M. Rezzonico SA
R. & M. Rezzonico SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

R. & M. Rezzonico SA is a construction company operating as a general contractor, providing design, project management and construction services for residential and commercial buildings. Services include renovations and historic building restoration, civil and infrastructure works, maintenance and material transport; the company holds certification to UNI EN ISO 9001:2015.

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Offering

Products & services

Industry:Construction & Project Management
✓ Offered8
General construction company
General construction company for private and industrial building; followed by design, administrative procedures, construction management, construction and handover of the projects.
Design and administrative procedures
Design and handling of administrative procedures to obtain permits, with support for the preliminary phases of building projects.
Construction management
Construction management services with progressive cost control during the execution of the works.
Construction of residential and commercial buildings
Erection of residential homes and commercial buildings, for private and public clients.
Renovation and refurbishment of buildings
Refurbishment of premium buildings and renovation of multifunctional facilities, with recovery and modernisation works.
Restoration of historic monuments
Restoration of historic monuments, churches and chapels, with interventions on historic buildings.
Civil engineering works
Civil engineering works, installation of pipelines and technological infrastructure, as well as maintenance works and material transport.
Various paving and stonework
Stonework and paving in granite, pebbles and granite slabs.
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4.1/5

R. & M. Rezzonico SA

Trust & reputation

ranQ Trust Score of R. & M. Rezzonico SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

R. & M. Rezzonico SA scores 66.6 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.67.924%
  • 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.40.910%
  • 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.95.08%
R. & M. Rezzonico 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%
R. & M. Rezzonico 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%
R. & M. Rezzonico SA scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

R. & M. Rezzonico SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 4 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
4.5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.54
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via Collina 15
6816 Bissone
Opening hours
Mon
08:00 - 12:00, 14:00 - 17:00
Tue
08:00 - 12:00, 14:00 - 17:00
Wed
08:00 - 12:00, 14:00 - 17:00
Thu
08:00 - 12:00, 14:00 - 17:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.752.875
Founded
1986 · 40 years
Last commercial register change
August 6, 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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