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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsZugJASC Contracting GmbH
JASC Contracting GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of JASC Contracting GmbH is the planning, implementation and maintenance of critical infrastructure projects, particularly in the areas of data centers, telecom networks, renewable energy systems and other critical infrastructure sectors. The company provides comprehensive services, including energy audits, maintenance, start-up and commissioning, and delivers turnkey solutions that meet the highest standards of efficiency and reliability.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered10
Design, Build & Installation
Design, build and installation for data centers, from planning and concept to precision installation, turnkey execution and compliance with performance and security standards.
Equipment Supply
Supply of equipment for data centers, telecom operations and renewable energy, including cooling systems, PDUs, UPS units, server racks, batteries, solar panels and hydrogen refueling components.
Start-up & Commissioning
Start-up and commissioning of installed systems, including system testing, documentation of commissioning procedures and integration checks before handover.
Maintenance
Preventive maintenance agreements with regular inspections, repairs, system updates and 24/7 emergency assistance to reduce downtime and keep infrastructure operational.
Renewable energy systems
Renewable energy solutions including hydrogen products and refueling stations, lithium batteries, solar systems, energy storage systems, air-to-water heat pumps, inverters and hybrid systems.
Data center solutions
Data center solutions with raised access floors, precision air conditioning, fire detection and suppression, security systems, electrical panels and works, site monitoring and structured cabling.
Data center systems
Data center systems for traditional, modular and scalable builds, DCIM monitoring, hot and cold aisle containment and network operation centers.
Telecom power supply systems
Telecom power supply systems including voltage stabilizers, DC backup solutions, UPS systems, enclosures, 48VDC gensets and batteries.
Energy audit
Energy audits to identify inefficiencies, analyze energy usage and provide optimization recommendations for lower costs and improved energy performance.
Training
Customized training programs for teams to operate and maintain installed systems, including on-site and remote formats for engineers and technicians.
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4.1/5

JASC Contracting GmbH

Trust & reputation

ranQ Trust Score of JASC Contracting 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.

JASC Contracting 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.
x
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%
JASC Contracting GmbH scores 76.0 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.75.012%
  • 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%
JASC Contracting GmbH 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%
JASC Contracting GmbH scores 8.3 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 35.8.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

JASC Contracting 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

Poststrasse 20
6300 Zug
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-447.396.032
Founded
2019 · 7 years
Last commercial register change
February 27, 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.
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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