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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringRotkreuzDr. Hartmann Chemietechnik Schweiz GmbH
Dr. Hartmann Chemietechnik Schweiz GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company is a specialist in industrial process water treatment and offers solutions for the treatment of cooling water, process water, steam boiler and hot water systems, drinking water systems, system renovation, disinfections and cleanings. It develops and produces chemical products and plant technology, offers plant service, engineering, technical laboratory services and training. The company focuses on the development of customer-specific treatment programs to promote efficiency, asset preservation and environmental protection.

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Offering

Products & services

Industry:Technical Consulting & EngineeringChemical Industry
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4.1/5

Dr. Hartmann Chemietechnik Schweiz GmbH

✓ Offered12
Cooling water treatment and conditioning
Cooling water treatment and conditioning for evaporative cooling systems and cooling water circuits; treatment programs, biocides, inhibitors, water treatment plants, cleaning, disinfection and remote monitoring.
Process water treatment
Water treatment and process water treatment for industrial plants; custom process engineering, chemical products, water treatment plants, instrumentation and control technology, and tailored treatment programs.
Boiler water treatment for steam boilers / hot-water systems
Boiler water treatment for steam boilers, hot-water systems and district heating networks; water analysis, individual conditioning, compliance with guidelines, steam quality and efficient operation.
Potable water treatment
Potable water treatment for industrial and building systems; potable water analysis, hygienic flushing, disinfection of pipe networks, fittings and draw-off points, monitoring and documentation.
Heating water treatment and system refurbishment
Heating water treatment and system refurbishment for heating systems and closed cooling circuits; analysis, bypass treatment, refurbishment during ongoing operation, and prevention of corrosion and sludge deposition.
Disinfection and chemical cleaning
Disinfections and chemical cleaning of evaporative cooling systems, humidifiers and air coolers; mechanical and chemical cleaning, laboratory analysis, documentation and refurbishment.
Plant engineering for water treatment
Plant engineering for industrial water treatment; softening systems, reverse osmosis plants, dosing systems, filtration plants, brine/scale removal plants, pH controllers and accessories.
Chemical products for water treatment
Chemical products for cooling circuits, boiler water, heating circuits, potable water, plant disinfection/cleaning, and marine and wastewater treatment plant applications.
W|C|S® WaterCareSystem
Online-based water management with dashboard, e-service, reporting management for the 42nd BImSchV, e-Secure and on-board hardware for measurement, control, data acquisition and remote monitoring.
Plant service for water treatment plants
Assembly, commissioning, maintenance, inspection, repairs, disinfections, chemical cleaning, spare-parts service, refurbishments and full support for water treatment plants.
Engineering for water infrastructure
Analysis of existing water treatment plants and water circuits, design of tailored solutions, implementation, commissioning, on-site service, maintenance and training.
Technical laboratory
Technical laboratory for sampling and analytics of process water; evaluation of water parameters, test reports with commentary and recommendations for action.
Trust & reputation

ranQ Trust Score of Dr. Hartmann Chemietechnik Schweiz GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Dr. Hartmann Chemietechnik Schweiz GmbH 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.
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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%
Dr. Hartmann Chemietechnik Schweiz GmbH scores 83.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.92.512%
  • 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%
Dr. Hartmann Chemietechnik Schweiz GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Dr. Hartmann Chemietechnik Schweiz GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dr. Hartmann Chemietechnik Schweiz GmbH 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 October 2026.

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

Knowledge

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Location

Birkenstrasse 49
6343 Rotkreuz

At a glance

Legal form
Limited Liability Company
UID
CHE-214.797.736
Founded
2014 · 12 years
Last commercial register change
August 9, 2017
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.88.06%
  • 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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