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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionWinterthurHarder Schreinerei AG
Harder Schreinerei AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Harder Schreinerei AG is the manufacture and installation of high-quality interior fittings, furniture and carpentry work, including kitchens, bathrooms, tables, cabinets, doors, flooring and shopfitting conversions, as well as the creation of school furniture and special carpentry work such as turnery and accessories.

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Products & services

Industry:Interior ConstructionJoinery
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Harder Schreinerei AG

✓ Offered12
Kitchens
Custom-made kitchens, conversions and renovations, including Kunstschiefer kitchens, chromed steel worktops, glass doors, storage solutions and brand-name kitchens in cooperation with Elementküchen Frauenfeld.
Furniture
Custom-made furniture, including sideboards, beds, cupboards, room dividers, wall units and rolling furniture; with design coordination and CAD planning for integration into living spaces.
Complete interior fit-out
Complete interior fit-out for conversions and new builds, including staircases, dressing rooms, built-ins, kitchen and furnishing solutions, and implementation according to the architect’s plans.
Shopfitting
Custom shopfitting and retail store fixtures, with sales counters, display shelving, reception areas, presentation and sales furniture made from various materials.
Carpentry service – repairs
Maintenance and repair work for homeowners, tenants and property administrations, including service visits with a vehicle fleet and minor repairs on site.
School desks
Multifunctional custom school desks and IT desks, with monitor lift, keyboard pull-out, cable ducts, stackable function and robust design.
Bathroom furniture
Custom-made bathroom furniture, bathroom conversions, sauna installations and bathroom solutions using materials such as Corian, stone, wood, Kunstschiefer and glass.
Kunstschiefer
Furniture and built-ins made from Kunstschiefer, including staircases, bed and wall furniture, room dividers, claddings and special made-to-measure items.
Scobalit
Scobalit components and cladding, mainly for staircases, balustrades, ceilings, seating benches and room-separating elements; remaining and stock boards are sold off.
Terrace flooring
Terrace flooring in solid wood and WPC, including substructures, edge trims, seating benches and finishes for balcony, terrace and pergola.
Planning – CAD
Planning, CAD visualisation and on-site construction support for furniture, rooms and conversions, including visualisation in colours and variants before implementation.
Turned-wood accessories
Turned wooden accessories, including bowls, tins, bread boxes and serving trays; individual items from stock or to order.
Trust & reputation

ranQ Trust Score of Harder Schreinerei AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Harder Schreinerei AG scores 79.4 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.83.324%
  • 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.63.210%
  • 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%
Harder Schreinerei AG scores 89.3 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%
Harder Schreinerei 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%
Harder Schreinerei AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Harder Schreinerei 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 11 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 11 reviews across all connected sources

Sources
GGoogle511
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Wildbachstrasse 11
8400 Winterthur
Opening hours
Mon
06:45 - 11:45, 13:15 - 17:15
Tue
06:45 - 11:45, 13:15 - 17:15
Wed
06:45 - 11:45, 13:15 - 17:15
Thu
06:45 - 11:45, 13:15 - 17:15
Fri
06:45 - 11:45, 13:15 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.664.255
Founded
1992 · 34 years
Last commercial register change
May 29, 2009
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.
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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