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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSealing & InsulationZuzwil SgTrendisol GmbH
Trendisol GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Trendisol GmbH is blow-in technology, particularly the application of blow-in procedures for building insulation, as well as the implementation of blower door tests and thermography. The company also offers training and expert advice in the field of blow-in technology and distributes various insulation materials such as cellulose fiber, rock wool, mineral wool, EPS granulate and wood fiber.

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Products & services

Industry:Sealing & Insulation
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4.1/5

Trendisol GmbH

8
Insulation blowing technique
Comprehensive insulation solutions with blown-in insulation for roofs, walls, service ducts and floors; planning, execution, quality control and measurements for insulation and airtightness testing.
Airtightness testing
Blower Door measurements and thermography for leak detection, proof of airtightness, and measurements in the construction and final phases, including documentation of the building envelope.
Boarding
Drywall boarding for partition walls, lining boards, installation walls, as well as damp, wet and fire-protection areas, with single- or multi-layer systems and clean surfaces.
Machine service
Maintenance, repairs, spare parts, conversions, optimisations, as well as delivery and commissioning of blowing machines and plant technology—manufacturer-independent and also on site.
Insulation blowing training
Theory and practical training on material knowledge, building physics, airtightness, machine operation and blowing techniques; on request, 1:1 on-site instruction at the object.
Machine technology
Blowing machines, mobile and stationary systems for construction sites, workshops and industrial timber element production, as well as accessories, special tools, consulting and service.
Blown-in insulation materials
Blown-in insulation materials such as cellulose fibre, stone wool, glass wool, EPS granulate, wood fibre and straw for seamless insulation in cavities and constructions.
Airtightness
Vapour barrier, roofing membrane, façade membrane, windproofing and adhesive tape systems for roofs, walls, windows, plinth areas and bonding techniques.
Trust & reputation

ranQ Trust Score of Trendisol GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Trendisol GmbH scores 63.1 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.65.024%
  • 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.70.08%
Trendisol GmbH scores 86.7 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.70.07%
Trendisol GmbH 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%
Trendisol GmbH scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trendisol GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 7 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
4.3
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.37
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Herbergstrasse 29
9524 Zuzwil Sg
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-109.671.448
Founded
2002 · 24 years
Last commercial register change
October 3, 2016
Employees
11 to 20
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

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