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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceWholesale - Construction & Raw MaterialsAltstätten SgStark AG
Stark AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of STARK AG is the distribution and sale of wood products, in particular solid wood panels, decorative panels, ThermoWood and other wood-based materials, as well as consulting and supporting customers, in particular carpenters and other professionals, in the selection and use of these products.

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Products & services

Industry:Wholesale - Construction & Raw Materials
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Stark AG

Wood and panel materials
Raw panels, plywood, laminated veneer lumber (LVL), solid wood panels, woodworking panels, lightweight panels and fire-protection boards for timber construction, interior fit-out and structural applications.
Interior fit-out and floor coverings
Parquet, design flooring, laminate, floor build-up, floor accessories, wall and ceiling claddings, as well as finished parts such as worktops, window sills and stair treads.
Doors and door systems
Raw doors, pre-fabricated/finished doors, VKF doors, entrance doors, door frame elements, hardware and veneered door formats for indoor and outdoor areas.
Timber construction and insulation
Interior walls and cladding/boarding, studs and insulation, façades, under-roof coverings, roof windows, as well as wood, stone and glass wool for timber construction.
Outdoor applications in wood and panels
ThermoWood, wooden façades, façade boards/panels, render backing boards, terrace decking boards and balcony panels, including accessories, installation and maintenance products.
Adhesives, films and sealing systems
Adhesives and sealants, primers, assembly adhesives, mounting foam, vapour barriers, vapour retarders, windproof paper, façade membranes and floor sealing systems.
Decor composite and surface materials
Decor boards, decorative laminate / HPL, compact panels, worktops, niche back panels, edges/edgebands, composite panels and veneered panels from different brands.
Room acoustics and sound insulation
Acoustic panels, acoustic baffles/soffits, acoustic wall panelling, acoustic boards, sound-insulation film, sound-insulating studs/edge elements and other sound-control solutions for building.
Planning, storage and logistics
Planners, storage, logistics/delivery, self-collection, downloadable documents and sample ThermoWood® to support projects and orders.
Trust & reputation

ranQ Trust Score of Stark AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Stark AG scores 84.1 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.76.524%
  • 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.89.710%
  • 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%
Stark AG scores 94.3 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.90.07%
Stark AG scores 86.7 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).86.722%
Stark AG scores 57.9 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 35.85.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.30.04%
Qualifications+0.00

Stark AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 33 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 33 reviews across all connected sources

Sources
GGoogle4.633
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 1, 2026Media
Holzhändler regelt Nachfolge per Anfang 2027
rheintaler.ch
July 1, 2026Media
Stark AG regelt Nachfolge an der Unternehmensspitze
leaderdigital.ch

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Location

Industriestrasse 1
9450 Altstätten Sg
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:30
Tue
07:00 - 12:00, 13:00 - 17:30
Wed
07:00 - 12:00, 13:00 - 17:30
Thu
07:00 - 12:00, 13:00 - 17:30
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.815.850
Founded
1961 · 65 years
Last commercial register change
August 19, 2025
Employees
51 to 100
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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