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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryMuttenzBertrams AG
Bertrams AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Bertrams AG is an engineering company specializing in the design and supply of chemical plants for the evaporation and concentration of alkalis and acids. It delivers services from basic engineering to turnkey solutions and provides project management, process engineering, automation, spare parts and after‑sales support.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered10
Caustic liquor concentration plants
Concentration and solidification plants for caustic liquors in the chlor-alkali industry, including evaporators, concentrators, flaking, prilling and carbonation plants.
Acid recovery plants
Plants for concentration, purification and recovery of sulphuric and nitric acid, including denitration, stabilization of spent acids and NOx recovery.
Engineering
Basic to detailed engineering for new and existing plants, including feasibility studies, process, equipment, civil, piping, electrical and instrumentation engineering.
Project management
Project management for plant construction projects, from plant planning and coordination through to the safe delivery of revamping, individual and turnkey projects.
Customer Service
Installation and commissioning, plant inspection, technical hotline, training and qualification as well as overhaul to support operation and maintenance.
Spare parts
Original spare parts and spare parts packages, including Spare Parts Packages, First Aid Package, Advanced Spare Parts Package and Premium Spare Parts Package.
Revamping
Modernization, conversion and relocation of existing plants, including feasibility studies, basic and detailed engineering as well as complete plant packages.
HEAT TRANSFER SYSTEMS
Turnkey heat transfer systems for chemical and process engineering plants, with design, project engineering and fabrication for different heat transfer media and temperature ranges.
Process Control & Automation
Industrial and process automation with control systems, electrical design, programming, simulation, migration, commissioning and support, including field instrumentation.
Components
Specific key components for concentration and processing technologies, including evaporators, flakers, burners, heat exchangers, prilling components, tanks and heating pipes.
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3.9/5

Bertrams AG

Trust & reputation

ranQ Trust Score of Bertrams AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Bertrams AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Bertrams AG scores 92.3 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.82.07%
Bertrams 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%
Bertrams AG scores 37.2 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 35.74.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Bertrams AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 19, 2016Media
Wärmetechnologie-Firma wird geschlossen - 35 Stellen in Pratteln weg
bzbasel.ch

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Location

Eptingerstrasse 41
4132 Muttenz

At a glance

Legal form
Corporation
UID
CHE-321.797.452
Founded
2011 · 15 years
Last commercial register change
December 23, 2025
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.70.03%
    • Full methodology

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