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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementSt. Margrethen SgBirinci Projekt & Baumanagement GmbH
Birinci Projekt & Baumanagement GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Birinci Projekt & Baumanagement GmbH is the provision of services in the field of insulation and fire protection in the construction industry. This includes in particular: Technical insulation (cold, heating, steam and sanitary pipes, apparatus, equipment, container and valve insulation and cladding), thermal insulation (heat with rock wool or synthetic rubber), fire protection (approved fire-resistant insulation EI 30 to EI 120 with rock wool products), and ventilation and penetration insulation. The company offers these services as a general contractor or subcontractor and supports its customers in the planning, execution and settlement of construction projects.

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Products & services

Industry:Construction & Project Management
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Birinci Projekt & Baumanagement GmbH

Owner's Representative
Specialized Construction Activities
✓ Offered6
Technical insulation
Thermal insulation, cold insulation and ventilation insulation for heating, domestic hot water, cold and ventilation systems as well as pipes, equipment and containers.
Fire protection insulation
VKF-approved fire protection systems, penetration insulation as well as soft and mortar firestop partition systems for firestopping service penetrations.
Sheet-metal works & cladding
Custom-fabricated cladding and sheet-metal casings made of aluminium, stainless steel or galvanized sheet metal to protect insulation on plants and pipelines.
Construction coordination
Coordination of construction projects from small building projects to complex industrial plants, with support and coordination of the execution.
Project management
Project management for construction projects and industrial facilities, from planning to completion, implemented efficiently, cost-effectively and in compliance with regulations.
Special solutions for industrial plants
Tailor-made insulation solutions for industry, commercial applications and technical rooms, from planning to completion.
Trust & reputation

ranQ Trust Score of Birinci Projekt & Baumanagement GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Birinci Projekt & Baumanagement GmbH scores 70.0 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.72.924%
  • 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.63.210%
  • 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.70.08%
Birinci Projekt & Baumanagement GmbH scores 83.0 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.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.55.07%
Birinci Projekt & Baumanagement 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%
Birinci Projekt & Baumanagement GmbH scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Birinci Projekt & Baumanagement GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 11 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 11 reviews across all connected sources

Sources
GGoogle4.611
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Turnhallenstrasse 2a
9430 St. Margrethen Sg
Opening hours
Mon
06:00 - 18:00
Tue
06:00 - 18:00
Wed
06:00 - 18:00
Thu
06:00 - 18:00
Fri
06:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-113.688.104
Founded
2007 · 19 years
Last commercial register change
June 27, 2019
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.88.06%
  • 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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