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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryRetail & CommerceStationery storeBaselErwin Schwarz AG
Erwin Schwarz AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Erwin Schwarz AG is a specialist retailer of office furnishings and supplies. Its services include advising on, planning and selling office furniture, supporting furnishing projects, delivery and installation, and cleaning and repairing office chairs.

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Service area

Offering

Products & services

Industry:Stationery store
✓ Offered
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4.1/5

Erwin Schwarz AG

4
Office furniture consulting, planning and sales
Consulting, office furnishing planning, selection of samples, delivery and installation of office furniture; including workstation instruction, follow-up and disposal of old furniture.
Office supplies range and online shop
Comprehensive catalogue for office supplies with online shop, 35,000 items, delivery within 24 hours as well as monthly promotions and, on request, cost-centre invoicing.
Chair cleaning and repair service
Professional cleaning, repair and refurbishment of office swivel chairs; including on-site condition check, replacing castors and springs, reupholstery, spare parts as well as collection and return transport.
Office swivel chair check-up
On-site inspection of the overall condition of office swivel chairs as a preventive measure and basis for cleaning, repair or spare parts.
Trust & reputation

ranQ Trust Score of Erwin Schwarz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Erwin Schwarz AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Erwin Schwarz 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%
Erwin Schwarz AG scores 86.7 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).86.722%
Erwin Schwarz AG scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Erwin Schwarz AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

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

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Location

Blauenstrasse 21
4054 Basel
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.437.216
Founded
1974 · 52 years
Last commercial register change
May 30, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BSBasel
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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