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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorRiva San VitaleGrandi Massimo Sagl
Grandi Massimo Sagl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Grandi Massimo Sagl is the provision of services in the construction industry, particularly in the following areas: civil construction (building and renovation of residential and commercial buildings), structural consolidation (stabilization of buildings), industrial construction (building of industrial facilities), commercial construction (building of commercial buildings), historic restoration (restoration of historic buildings), turnkey renovations (complete renovations of buildings), new constructions (new building construction), demolition (demolition of buildings), and emergency response (emergency construction services). The company thus offers a wide range of services in the construction industry and has specialized in meeting the needs of private individuals and companies.

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Service area

Offering

Products & services

Industry:Building contractor
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3.8/5

Grandi Massimo Sagl

General contractor
✓ Offered8
Residential, industrial and commercial construction
Residential, industrial and commercial construction for dwellings, industrial and commercial complexes; customised solutions for new builds, refurbishment and construction work.
Renovations and historic restorations
Renovations of private and public buildings, historic restorations and interventions on historic buildings; including restoration work on churches and other significant buildings.
New construction
New-build construction, with project management from planning to completion, in collaboration with architects and engineers.
Turnkey renovation
Turnkey renovations from A to Z, with planning, demolition, reconstruction and finishing in a single service.
Apartment renovation
Full renovation of apartments to create functional and welcoming spaces, following the client's instructions.
Drainage and piping
Work on pipes and drainage, with rapid response in case of water leaks and public or private emergencies.
Clear-outs
Clear-outs and small office or warehouse relocations, with practical support to free up space and remove materials.
Flooring work
Laying parquet, fitted boards, granite and stone floors, as well as renovation of outdoor floor coverings for houses and public areas.
Trust & reputation

ranQ Trust Score of Grandi Massimo Sagl: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

Grandi Massimo Sagl scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
Grandi Massimo Sagl scores 83.0 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%
Grandi Massimo Sagl scores 86.7 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).86.722%
Grandi Massimo Sagl scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Grandi Massimo Sagl reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via dei Gelsi 18
6826 Riva San Vitale
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-111.722.374
Founded
2004 · 22 years
Last commercial register change
June 24, 2004
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • TIRiva San Vitale
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.
88.0
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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