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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceBiel/BienneFMDICHT AG
FMDICHT AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of FM DICHT AG is the sealing and insulation of buildings and structures. Specifically, the company offers services such as joint sealing, tapes and film systems, special seals, fire compartmentalization, joint renovation, sealing with liquid plastic and technical insulation.

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Products & services

Industry:Building Maintenance
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3.9/5

FMDICHT AG

Joint sealing
Joint sealing for wet rooms, parquet joints, façade joints as well as window and door connections and other component junctions.
Strips and foil systems
Water-repellent foils and vapour barrier films for façades, window fronts and structural components.
Special waterproofing
Special waterproofing with Combiflex systems for building separation joints and expansion joints.
Fire stopping
Fire stopping for pipe and cable shafts, ceiling and wall penetrations, as well as fire-protection joints.
Joint renovation
Joint renovation as an independent maintenance service for sealing and servicing joints.
Liquid plastic waterproofing
Liquid plastic waterproofing for building-related sealing work.
Technical insulation
Technical insulation for heating and air conditioning, with synthetic rubber, sheet-metal cladding and PVC jacketing.
Consulting
Advice on selecting and planning the implementation; appointment scheduling by phone.
Trust & reputation

ranQ Trust Score of FMDICHT AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

FMDICHT AG scores 56.8 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.73.124%
  • 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.35.310%
  • 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.35.08%
FMDICHT AG scores 85.5 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.55.07%
FMDICHT AG 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%
FMDICHT AG scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

FMDICHT AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Mettlenweg 25
2504 Biel/Bienne

At a glance

Legal form
Corporation
UID
CHE-114.284.896
Founded
2008 · 18 years
Last commercial register change
May 23, 2018
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.
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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