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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionZurichHert & Co AG
Hert & Co AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hert + Co. AG is carpentry, particularly the provision of carpentry services such as window and door services, glass repairs, burglary protection and repair work.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered6
General carpentry work
Single-piece custom jobs, general wood repairs, made-to-measure furniture production and wood cutting; interior fit-out with curtain shelves and new built-in cabinets.
Window service
Repair of all types of windows made of wood, wood/metal, plastic or metal; replacement and restoration to ensure functionality and clear sight.
Door service
Repair and replacement of doors made of wood, metal or plastic; installation and service for entrance doors, apartment doors, interior doors, office doors, basement doors and fire-protection doors.
Glass repairs
Replacement and repair of glass panes on doors, windows, shop fronts, mirrors and mirrored door panels; including float glass, insulated glass, safety glass and fire-protection glass.
Burglary protection & repairs
Provisional emergency repairs after break-ins or vandalism, sealing doors and windows with boards and subsequent final repairs.
Apartment service works
Restoration and repairs for properties with an equipped mobile workshop for flexible assignments.
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4.4/5

Hert & Co AG

Trust & reputation

ranQ Trust Score of Hert & Co AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Hert & Co AG scores 87.1 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.89.424%
  • 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.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%
Hert & Co 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%
Hert & Co AG scores 83.3 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).83.322%
Hert & Co 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

Hert & Co AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 23 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 23 reviews across all connected sources

Sources
GGoogle523
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Affolternstrasse 142
8050 Zurich
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
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.406.098
Founded
1974 · 52 years
Last commercial register change
February 19, 2013
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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