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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsMesoccoStudio d'ingegneria Riccardo Calastri GR SA
Studio d'ingegneria Riccardo Calastri GR SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Studio d'ingegneria Riccardo Calastri GR SA is an engineering firm providing surveying and geodata services, including cadastral measurements, technical surveys, land consolidations and land registry maintenance. The firm produces 3D models and architectural surveys using drones, laser scanners and terrestrial surveys, and prepares technical reports and documentation for property-for-floor (PPP) arrangements.

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Products & services

Industry:Civil Engineering Firms
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Studio d'ingegneria Riccardo Calastri GR SA

✓ Offered7
Official Surveying
Service for the collection, processing and distribution of official survey data for the land register and territorial information systems; delivery of official planimetrics.
Technical Surveying
Stakeout, profiles, surveys for buildings, in-house processing of SIT/GIS, precision monitoring and precision levelling.
3D Models and Architectural Surveys
Digital terrain models, sections, contour lines and building models, with surveys carried out using drones, laser scanners and terrestrial surveying.
Expert Reports
Expert reports on buildings and land; evidence for the future for buildings, roads and structures with photographic documentation, levelling and precision monitoring.
Floor-Based Ownership (PPP)
Preparation of the documents for the establishment of floor-based ownership, regulations, advice and necessary documentation.
Modinatures
Installation of telescopic modines made of aluminium and wood on existing land and buildings, with documentation to be attached to the building permit application.
Orthophotos
Custom orthophotos produced with drones and high-quality cameras, for different sizes and levels of detail.
Trust & reputation

ranQ Trust Score of Studio d'ingegneria Riccardo Calastri GR SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Studio d'ingegneria Riccardo Calastri GR SA scores 64.1 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.59.824%
  • 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.63.210%
  • 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.78.08%
Studio d'ingegneria Riccardo Calastri GR SA scores 87.8 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.89.612%
  • 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.82.07%
Studio d'ingegneria Riccardo Calastri GR SA 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%
Studio d'ingegneria Riccardo Calastri GR SA scores 2.6 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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Studio d'ingegneria Riccardo Calastri GR SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 11 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
4.1
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.111
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Benabbia
6563 Mesocco
Opening hours
Mon
07:45 - 17:00
Tue
07:45 - 17:00
Wed
07:45 - 17:00
Thu
07:45 - 17:00
Fri
07:45 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-447.531.525
Founded
2015 · 11 years
Last commercial register change
November 5, 2024
Employees
21 to 50
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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