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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionHerisauAlder + Kuratli GmbH
Alder + Kuratli GmbH Logo
Verified· 4 sourcesOwner confirmed
Last updatedSeptember 24, 2026
Summary

About the company

The company Alder + Kuratli GmbH is a construction company that specializes in various areas of the construction industry. The core activities include: *Drywall * Painting * Plastering *Acoustic ceilings *Glazed partition walls The company offers consulting and execution of construction projects and places emphasis on high quality and the best possible cost-benefit for its customers.

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Products & services

Industry:Interior Construction
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Trust Score4.2/5

Alder + Kuratli GmbH

Painting & Plastering
✓ Offered6
Interior fit-out
Interior fit-out for building projects, including drywall, plastering work, painting work, acoustic and sound insulation measures, fire protection measures, and special floor coverings.
Drywall
Drywall work for ceilings, walls and partition walls, including glass partition walls, as well as installation of fire-stopping and fire protection requirements.
Plastering work
Plastering work for partition walls, ceilings and finished plastered façades, as part of interior fit-out and carried out by a single provider.
Painting work
Painting work for façades and rooms, as a supplementary service in interior fit-out and carried out by a single provider.
Acoustic and sound insulation measures
Acoustic and sound insulation measures for walls and ceilings, including installation of the corresponding components in the interior fit-out.
Insulations / thermal insulation
Insulation and thermal insulation works for building projects, as a supplementary service to interior fit-out.
Trust & reputation

ranQ Trust Score of Alder + Kuratli GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Alder + Kuratli GmbH scores 70.6 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.62.224%
  • 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.67.110%
  • 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%
Alder + Kuratli GmbH scores 89.7 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%
Alder + Kuratli GmbH scores 90.0 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).90.022%
Alder + Kuratli GmbH scores 41.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.57.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.26.74%
Qualifications+0.00

Alder + Kuratli GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 13 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.2
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.213
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 31, 2025Media
Gemeinde besucht die «Alder + Kuratli GmbH»
appenzell24.ch
December 16, 2011Media
Alder + Kuratli GmbH übernimmt H. J. Diem AG
appenzellerzeitung.ch
Knowledge

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Contact

Location

Sonnenbergstrasse 4
9100 Herisau
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.699.295
Founded
2007 · 19 years
Last commercial register change
September 12, 2019
Employees
21 to 50

39 km radius from Sonnenbergstrasse 4, 9100 Herisau

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