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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Machinery & Electronic DevicesWinterthurSelzam AG
Selzam AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Selzam AG is the marketing and distribution of products and services in the field of gas, grill and outdoor technology, including camping and caravaning accessories, gas cooking and heating appliances, grill products and accessories, as well as rental equipment and workshop services.

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Offering

Products & services

Industry:Repair of Machinery & Electronic DevicesRetail - Machinery & Technical Equipment
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Selzam AG

✓ Offered5
Gas inspection
Periodic gas inspections, maintenance and testing of technical installations, issuance of inspection certificates and vignettes for caravans, events, commercial use, building services and ships.
Workshop service for caravan and motorhome
Repairs, installations, retrofits and maintenance for heaters, air-conditioning systems, manoeuvring systems, awnings, bike racks, toilets, built-in appliances, gas installations and gas tanks.
Grilling
Grills for home and catering, grill accessories, grilling courses, as well as professional grills and branded products for private and professional use.
Gas technology
Pressure regulators, hoses, threaded fittings, gas containers and gas tanks, soldering sets, propane gas, cylinder gas, technical gas and safety accessories.
Rental equipment
Rental equipment for grilling, heating and cooking, tested for function and leak tightness; pickup in Winterthur, on request initial commissioning by the landlord.
Trust & reputation

ranQ Trust Score of Selzam AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

Selzam AG scores 87.2 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.79.224%
  • 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.100.010%
  • 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.95.08%
Selzam 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%
Selzam 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%
Selzam AG scores 50.2 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 35.77.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

Selzam AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.6 out of 5 stars from 185 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 185 reviews across all connected sources

Sources
GGoogle4.6185
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 16, 2026Media
Wirtschaft in Winterthur: Das sind die drei Finalisten für den KMU-Max
tagesanzeiger.ch

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Location

Harzachstrasse 8
8404 Winterthur
Opening hours
Mon
07:30 - 17:30
Tue
07:30 - 17:30
Wed
07:30 - 17:30
Thu
07:30 - 17:30
Fri
07:30 - 17:30
Sat
09:00 - 16:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-450.682.863
Founded
2011 · 15 years
Last commercial register change
December 2, 2025
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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