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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionAllschwilSandro GmbH
Sandro GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company 'Sandro GmbH' is a craft business offering general craft services. The core activity of the company is to provide craft services such as repairs, renovations and other works for private individuals and companies. The owner, Sandro D'Alfonso, offers his services as a 'craftsman generalist', indicating that the company offers a wide range of craft services.

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Products & services

Industry:Interior Construction
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3.9/5

Sandro GmbH

✓ Offered
12
General repairs
General repairs to kitchen cupboards, door fittings, oven doors and furniture.
Installations
Installations of railings, bicycle shelters and TV wall mounts.
Carpentry work
Carpentry work with made-to-measure shelving and surface treatment.
Floor coverings
Laying of laminate, parquet and Novilon.
Sealing / Insulation
Sealing and insulation on heating lines, water lines, joints in the kitchen and bathroom as well as in masonry.
Plumbing work
Plumbing repairs to faulty WC cisterns and dripping water taps.
Special work
Special work including installation and removal of door frames, installation of garage door openers and replacement of locks.
Glazing work
Glazing work with VSG awnings and repairs to windows.
Clearances
Clearances of cellars, attic space and storage areas as well as proper disposal of special waste.
Home maintenance
Assembly and repair of lamps, curtain rails and furniture.
Metalworking
Metalworking with welding work and brazing work.
Transport services
Transport of household items, pictures and similar items on request.
Trust & reputation

ranQ Trust Score of Sandro GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Sandro GmbH scores 60.4 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.70.824%
  • 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.27.910%
  • 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.70.08%
Sandro GmbH scores 74.1 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.79.212%
  • 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%
Sandro GmbH 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%
Sandro GmbH scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sandro GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Fabrikstrasse 10
4123 Allschwil

At a glance

Legal form
Limited Liability Company
UID
CHE-217.299.417
Founded
2018 · 8 years
Last commercial register change
December 19, 2018
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.
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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