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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryChemical IndustryLyssPrimus AG
Primus AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Primus AG is a specialist in fire-fighting, providing integrated fire-protection solutions. The company sells, installs and maintains fire extinguishers and detection and suppression systems, performs inspections and servicing, and offers training and fire-safety consultancy.

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Products & services

Industry:Chemical Industry
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Primus AG

✓ Offered
6
Fire protection solutions
Integrated fire protection solutions from consulting through sales to service; extinguishing aids, complete fire protection equipment and expert support across Switzerland.
Fire extinguisher service
Inspection, cleaning, functional testing and periodic replacement of portable fire extinguishers, as well as service for fire-fighting stations in accordance with VKF guidelines and cantonal regulations.
Fire protection concept
Consulting, on-site inspection, measures plan and implementation for structural, technical and organisational fire protection, including escape routes, fire detection systems and alarm coordination.
Training courses
Fire extinguisher training, CZV and ADR training, virtual training and in-house training for employees, teams and private individuals.
Portable fire extinguishers
Portable fire extinguishers for different fire classes, from the 2 kg car fire extinguisher to the 12 kg unit, available in water, foam, powder, CO₂ and grease fire extinguisher types.
Firefighting stations
Firefighting stations for stationary fire fighting, including installation, inspection and maintenance as part of the service offering.
Trust & reputation

ranQ Trust Score of Primus AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Primus AG scores 70.1 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.53.424%
  • 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.90.410%
  • 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%
Primus AG scores 95.0 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.82.07%
Primus 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%
Primus AG scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Primus AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.0 out of 5 stars from 34 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
4
of 5

Aggregated from 34 reviews across all connected sources

Sources
GGoogle434
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Südstrasse 1
3250 Lyss
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:30
Tue
08:00 - 12:00, 13:00 - 16:30
Wed
08:00 - 12:00, 13:00 - 16:30
Thu
08:00 - 12:00, 13:00 - 16:30
Fri
08:00 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.957.383
Founded
1961 · 65 years
Last commercial register change
September 16, 2026
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.95.03%
    • Full methodology

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