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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSite PreparationSt. Margrethen SgKOF AG
KOF AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

KOF AG provides demolition, dismantling and deconstruction services, covering project planning, execution and material disposal. Services include specialist dismantling (steel, bridge and tank removal), interior stripping, concrete drilling and cutting, with an emphasis on material reuse and recycling.

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Products & services

Industry:Site Preparation
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4.2/5

KOF AG

9
Complete Demolition
Complete demolition of industrial, public, private and agricultural buildings; controlled dismantling, material separation, reuse and proper disposal.
Specialized Demolition
Specialized demolition for steel structures, bridges, facades, machines, tanks and lift systems; planning, dismantling, disposal and work in complex situations.
Strip-Out
Strip-out of industrial and private buildings; removal of non-load-bearing components, remediation of contaminants such as asbestos, and proper disposal.
Concrete Drilling and Cutting
Concrete drilling and cutting for renovation and demolition works; core drilling, concrete sawing, diamond wire sawing and joint cutting.
Disposal Services
Proper disposal of construction materials and contaminated material for demolition, dismantling and strip-out projects; sorting, recycling and transport.
Tank Demolition
Tank demolition of tank systems and oil tanks; cleaning, dismantling, cutting works, disposal and reuse in accordance with regulations.
Steel Demolition
Steel demolition of steel structures, plants and external steel structures; dismantling, cutting works, haulage and environmentally compliant disposal.
Bridge Demolition
Bridge demolition as specialized demolition for complex large projects; precise planning, dismantling and safe execution.
Facade Demolition
Facade demolition as specialized demolition for building facades; planning, dismantling and safe material separation.
Trust & reputation

ranQ Trust Score of KOF AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

KOF AG scores 85.1 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.85.924%
  • 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.80.810%
  • 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.88.08%
KOF AG scores 81.6 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.75.012%
  • 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%
KOF 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%
KOF AG scores 11.9 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 35.17.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

KOF AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 23 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 23 reviews across all connected sources

Sources
GGoogle4.923
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 18, 2023Media
Eine 20-Jahr-Feier der anderen Art | St. Margrethen
rheintal24.ch

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Location

Grasbäustrasse 8
9430 St. Margrethen Sg
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-410.333.787
Founded
2019 · 7 years
Last commercial register change
October 3, 2024
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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