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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryRetail & CommerceRetail - Machinery & Technical EquipmentGranges-Près-MarnandDespraz SA
Despraz SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Despraz SA designs and delivers thermal systems and industrial piping installations. Its services include technical studies, execution and fabrication drawings, 3D modelling, passivation, maintenance and repair, and the rental of mobile steam boiler plants.

AI-generated
Offering

Products & services

Industry:Retail - Machinery & Technical Equipment
✓ Offered12
Industrial piping
Design, fabrication and installation of industrial piping networks in stainless steel, steel, technical plastic or a specific alloy; water networks, process fluids and compressed air.
Thermal piping
Design, fabrication and installation of steam networks subject to the DESP; black steam, white steam, study, execution, certification and pressure tests.
Fine piping
Design, fabrication and installation of fine piping networks for pharmaceutical, chemical, hospital and high-tech applications; networks for technical gases, ultrapure water and cleanrooms.
Potable water & wastewater piping
Design, installation and maintenance of potable water, municipal water and wastewater networks; reservoirs, water treatment, pumping stations and wastewater treatment plants.
District heating / UVTD
Design, installation and maintenance of district heating networks; pre-insulated pipes, connections, substations, control systems, energy metering and interventions on UVTD.
Mobile boiler houses
Rental of mobile steam boiler houses for temporary heat; turnkey solutions with steam generator, fuel-oil tank, rapid commissioning and maintenance included.
Technical study
Analysis of technical and operational requirements, sizing calculations, thermal balances, schematic diagrams, compliance with DESP, energy optimization and regulatory documentation.
Technical drawings
General arrangement drawings, detail drawings, isometrics, pipe supports and structures for piping networks, thermal installations and mechanical assemblies; paper and digital deliverables.
3D modelling
3D modelling of complete installations with surveys, clash detection, coordination between trades, extraction of execution plans and bill of materials.
Execution plans
Complete technical documentation for fabrication and assembly; general arrangement drawings, piping, supports, assembly details, internal checks, client validation and as-built drawings.
Passivation
Pickling and natural passivation of stainless-steel parts and assemblies; treatment of heat marks, cleaning, corrosion resistance, traceability and quality control.
Maintenance & troubleshooting
Maintenance, troubleshooting and repair of piping networks, thermal installations and production systems; preventive maintenance, emergency interventions and maintenance contracts.
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4.4/5

Despraz SA

Trust & reputation

ranQ Trust Score of Despraz SA: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Despraz SA scores 77.6 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.73.724%
  • 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.68.910%
  • 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.100.08%
Despraz SA scores 95.9 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.90.07%
Despraz SA 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%
Despraz SA scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Despraz SA reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 14 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
4.6
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.614
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Chemin des Loveresses 10
1523 Granges-Près-Marnand
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.249.171
Founded
1988 · 38 years
Last commercial register change
September 17, 2024
Employees
51 to 100
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.85.03%
    • Full methodology

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