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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryGlass, Ceramics, Stone & Construction Materials IndustryNiederglatt ZhSto AG
Sto AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Sto AG supplies products and system solutions for façades and interior surfaces, including external wall insulation systems, ventilated rainscreen cladding, façade and interior coatings, and plasters. The range also includes acoustic systems, floor coatings, products for concrete repair and protection, as well as related tools and services.

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Products & services

Industry:Glass, Ceramics, Stone & Construction Materials IndustryWholesale - Construction & Raw Materials
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Sto AG

✓ Offered12
Facade systems
External thermal insulation composite systems (ETICS), ventilated rainscreen facade systems, renovation and protective systems, facade coatings and facade claddings for new build and renovation.
Interior systems
Insulation systems for interior walls and ceilings, functional wall and ceiling systems, interior coatings and interior claddings for interior fit-out and design.
Acoustic systems
Suspended and bonded acoustic systems, acoustic elements, acoustic renovation and system components for improved room acoustics.
Lacquers and stains
Primer coats, undercoats, topcoats, clear coats and stains in solvent-based and water-based finishes.
Floor coating systems
Industrial coatings, traffic-area coatings, electrically conductive coatings, cleanroom coatings, food-industry coatings, functional coatings and balcony coatings.
Concrete repair and concrete protection
Mortars, surface protection, waterproofing, crack injection, joint repair and tunnel systems for the repair, protection and renovation of concrete structures.
Tools and machines
Personal protective equipment, masking and covering, surface preparation, smoothing, puttying, plastering, applying paints and lacquers, and system tools.
Planning & consulting
Consulting for planners and specialist tradesmen, site appointment scheduling, referral of project structural engineers, building-physics calculations, detail drawings and pre-sizing of substructures and anchors/dowels.
StoService Planning
Digital inventory survey, bill of quantities, visualisation, cost estimate, sample selection and technical advice for façade renovations.
Showrooms
Showrooms in Switzerland for façade, interior, acoustic and floor-coating surfaces, including a sample and rental library.
Online Shop
Online ordering of products for processing companies around the clock via mobile phone, tablet or PC.
Continuing education
Further training for specialist tradespeople and other target groups on products, applications, process engineering and hands-on processing.
Trust & reputation

ranQ Trust Score of Sto AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Sto AG scores 65.8 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.67.124%
  • 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.52.910%
  • 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.78.08%
Sto 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%
Sto 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%
Sto AG scores 60.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

Sto AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 7 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

August 18, 2022Media
Sto AG: Ästhetisches, nachhaltiges und funktionales Bauen
baublatt.ch
June 12, 2019Media
New Managing Director at Sto AG Switzerland: Jan Malmström
organisator.ch

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Location

Südstrasse 14
8172 Niederglatt Zh
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.958.709
Founded
1972 · 54 years
Last commercial register change
September 8, 2026
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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