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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementZurichpromacom engineering GmbH
promacom engineering GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of promacom engineering GmbH is project management and commissioning of large-scale projects in plant and industrial construction, particularly in the areas of energy, waste management and infrastructure. The company offers services such as project management, commissioning, scheduling, cost and quality management, as well as interim management and coaching.

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Offering

Products & services

Industry:Construction & Project Management
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4.1/5

promacom engineering GmbH

✓ Offered
3
Overall project management
Overall project management for energy-from-waste plants, standby power plants and railway energy projects; planning, bid project management, mechanical and electrical construction as well as commissioning.
Commissioning
Commissioning of plants and subunits, in particular flue-gas cleaning systems, grate firing, steam boilers, thermal systems as well as electrical and mechanical systems.
Planning of railway power supply
Planning and installation of the 50 Hz railway power supply for high-speed lines, including medium- and low-voltage systems, transformers, cabling, UPS, earthing and tunnel safety lighting.
Trust & reputation

ranQ Trust Score of promacom engineering GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

promacom engineering 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%
promacom engineering GmbH scores 77.2 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.86.512%
  • 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.55.07%
promacom engineering GmbH scores 85.0 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).85.022%
promacom engineering GmbH scores 2.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

promacom engineering 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

Heinrichstrasse 267
8005 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-361.998.749
Founded
2016 · 10 years
Last commercial register change
March 18, 2016
Employees
1 to 10
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.
88.0
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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