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

About the company

The core activity of FugenFix is the execution of joint sealing and renovation, including elastic joint sealing, mortar joints, fire protection and renovation of silicone joints, cracked plates or open cement joints. The company also offers services in the field of vapor barriers, waterproofing membranes and sealings.

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Products & services

Industry:Sealing & Insulation
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4.3/5

Fugenfix GmbH

✓ Offered7
Joint sealing
Putty joints, mortar joints, joint sealing, water membranes, liquid plastic and Kompriband for civil engineering and building, at home and in business.
Joint renovation
Renovation of silicone joints, cement joints and cracked or moulded joints in wet areas, on tiled, natural stone and facade surfaces.
Firestop protection
Firestop protection for building separation joints, cable and pipe penetrations as well as ventilation lines, with smoke-gas tightness and fire resistance.
Soft firestop systems
Soft firestop systems for wall and ceiling openings, cable and pipe penetrations, fire- and smoke-gas-tight closures with fire protection certificates.
Fire-protection joints
Fire-protection putty joints for firestop protection at building separation joints and at penetrations with requirements for smoke-gas tightness and fire resistance.
Vapour barriers and water membranes
Vapour barrier films, vapour retarders and water-repellent membranes for window and door connections, diffusion-tight on the inside and wind- and driving-rain tight on the outside.
Tapes & profiles
Joint tapes and profiles that are wind- and driving-rain-tight for different joint widths, uneven joint edges and additional protection of putty joints.
Trust & reputation

ranQ Trust Score of Fugenfix GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

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Data basis 96% · As of October 2026

Fugenfix GmbH scores 84.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.85.424%
  • 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.68.910%
  • 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.100.08%
Fugenfix GmbH scores 79.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.92.512%
  • 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%
Fugenfix GmbH scores 85.0 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).85.022%
Fugenfix GmbH scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fugenfix GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 14 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
5
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Dielsdorferstrasse 24
8107 Buchs Zh
Opening hours
Mon
06:30 - 17:30
Tue
06:30 - 17:30
Wed
06:30 - 17:30
Thu
06:30 - 17:30
Fri
06:30 - 17:30
Sat
08:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-300.396.811
Founded
2014 · 12 years
Last commercial register change
July 30, 2021
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.
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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