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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingSchlierenSPEZIDA Gebäudehüllen AG
SPEZIDA Gebäudehüllen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Spezida is the provision of services in the field of building envelopes, particularly in the areas of: metalworking (sheet metal processing, roofing, etc.), carpentry (wood construction, roof trusses, etc.), roofing (roofing, facades, etc.) and solar technology (installation of solar systems, etc.). The company offers these services for new buildings, conversions and renovations and has its own team of experts trained and experienced in these areas.

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Offering

Products & services

Industry:Roofing
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4.6/5

SPEZIDA Gebäudehüllen AG

✓ Offered4
Roofing work
Pitched roof and flat roof work, roof renovations, new builds, renovations and sealing against wind, rain, snow, heat, cold and moisture.
Carpentry / timber construction
Timber construction for new builds, conversions, renovations and maintenance/repair, prefabricated element construction, conventional timber construction, roof extensions, raised knee walls, interior fit-out and structural additions.
Sheet metal work
Metal cladding, penetrations, flue/chimney guides, drainage, edge-of-roof flashings, metal roofs and lightning protection for the roof and building envelope.
Photovoltaic systems / solar
Advisory, planning and installation of photovoltaic systems for all types of buildings, including roof-mounted, integrated and solar roof tile solutions, as well as support through commissioning and registration with Pronovo.
Trust & reputation

ranQ Trust Score of SPEZIDA Gebäudehüllen AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

SPEZIDA Gebäudehüllen AG scores 94.4 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.93.424%
  • 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.96.210%
  • 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.95.08%
SPEZIDA Gebäudehüllen AG scores 92.3 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.82.07%
SPEZIDA Gebäudehüllen AG 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%
SPEZIDA Gebäudehüllen AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SPEZIDA Gebäudehüllen AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 43 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 43 reviews across all connected sources

Sources
GGoogle543
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Wiesenstrasse 24
8952 Schlieren
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.316.077
Founded
2005 · 21 years
Last commercial register change
February 11, 2025
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.
100.0
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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