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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesRoofingZollikofenAllemann AG Zollikofen
Allemann AG Zollikofen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Allemann AG is the provision of services in the field of mastic asphalt, flat roof and terrace coatings, green roofs and sealings, particularly in civil engineering and the construction industry.

AI-generated
Offering

Products & services

Industry:Roofing
✓ Offered9
Flat roof
Flat roof work for new builds and renovations, including small areas from 1 m², as well as waterproofing areas, with work that can be combined with sheet-metal, metalwork and scaffolding services.
Civil engineering waterproofing
Groundwater waterproofing, underdrain waterproofing, PBD waterproofing and mastic asphalt for civil engineering structures such as motorways, covers and bridges.
Mastic asphalt
Mastic asphalt for above-ground and civil engineering construction, parking decks, underground garages, landscaped areas and interior floors; manual and machine laying, ground asphalt.
Maintenance & service
Maintenance and cleaning of roofs and terraces, technical inspections, cleaning of drainage systems, removal of unwanted growth, as well as installation and maintenance of fall protection.
Roof greening
Extensive and intensive roof greening with root-resistant roof covering, various substrate layers, and either hand seeding or machine-based sprayed greening.
Terrace surfaces
Terrace and roof surface coverings as wearing layers over waterproofing, with cement boards, ceramic tiles on a gravel bed, as well as block steps and separations for intensive greening.
Liquid plastic
Waterproofing with liquid plastic for flat roofs, including connections and details, with consulting and project planning.
Refreshing mastic asphalt
Renovation and refreshing of existing mastic asphalt surfaces with sealing, for example on paths and walkways.
Crane rental
Crane work with truck-mounted cranes and pneumatic cranes, also in confined spaces, on flat roofs, away from the road, and up to 50 metres in height.
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4.2/5

Allemann AG Zollikofen

Trust & reputation

ranQ Trust Score of Allemann AG Zollikofen: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Allemann AG Zollikofen scores 75.8 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.72.924%
  • 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.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.100.08%
Allemann AG Zollikofen 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%
Allemann AG Zollikofen 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%
Allemann AG Zollikofen scores 10.9 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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Allemann AG Zollikofen reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 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
4.6
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.611
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Kirchlindachstrasse 94
3052 Zollikofen
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.831.150
Founded
1969 · 57 years
Last commercial register change
March 19, 2026
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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