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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesMuri B. BernGrize Rohrleitungsbau AG
Grize Rohrleitungsbau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Grize Rohrleitungsbau AG is the Grize group's company responsible for pipework (Rohrleitungsbau) and, according to the group's service structure, carries out planning and execution of pipeline projects.

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Products & services

Industry:Plumbing & Building Services
✓ Offered4
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Grize Rohrleitungsbau AG

Sanitary Installations and Bathroom Renovations
Sanitary installations, bathroom renovations and bathroom renewals with planning, on-site consultation, project management, scheduling, coordination and commissioning.
Sanitary Service and Pipe Cleaning
Sanitary service for repairs, in-house pipe cleaning, leaking fittings, boiler service, shower partitions, silicone joints, dehumidification and water damage.
Heating Installations and Heating Renovations
Heating installations, new heating systems, heating renovations, heat pumps, solar thermal systems, underfloor heating, wood heating, district heating and boiler replacement.
Heating Maintenance and On-Call Service
Heating maintenance and repairs with flushing and bleeding, refilling water, replacing radiators, valves and circulation pumps, plus on-call service.
Trust & reputation

ranQ Trust Score of Grize Rohrleitungsbau AG: 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.

Grize Rohrleitungsbau AG 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%
Grize Rohrleitungsbau AG scores 92.3 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.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%
Grize Rohrleitungsbau AG 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%
Grize Rohrleitungsbau AG 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

Grize Rohrleitungsbau AG 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

Thunstrasse 29
3074 Muri B. Bern
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.638.827
Founded
1997 · 29 years
Last commercial register change
May 7, 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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