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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryFinance & InsuranceFinancial ServicesBaselGruner Beteiligungen AG
Gruner Beteiligungen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gruner Beteiligungen AG is an engineering and planning company serving the building construction, infrastructure and energy sectors. It supports private and public clients throughout project phases, from strategic planning and construction to commissioning and the management of buildings and infrastructure.

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Offering

Products & services

Industry:Financial Services
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4.1/5

Gruner Beteiligungen AG

✓ Offered10
Building consulting and planning services
Planning and consulting for private and public buildings, including structural engineering, geotechnics, building services, fire protection, building physics, general planning and construction management.
Infrastructure consulting and planning services
Planning and consulting for rail, roads, bridges, tunnels, water, energy supply and drainage infrastructure, as well as spatial planning, geomatics and maintenance management.
Energy plant consulting and planning services
Planning and consulting for hydropower plants, dams, electricity transmission and grids, solar installations, geothermal energy, district heating and other energy projects over the entire life cycle.
Fire protection and building protection consulting
Consulting and support for fire protection, technical fire protection, fire and smoke simulation, evacuation simulation, safety concepts, as well as fire scenario and building physics topics.
Structural design
Structural and load-bearing design for buildings and bridges, including new builds, renovations, preservation and value-enhancing measures for structures.
Construction management and project steering
Construction management, Site Supervision, cost, schedule and quality steering, as well as project-accompanying control for new build, conversion and renovation projects.
Building physics and building services
Building services, heating, ventilation, air conditioning, cooling, building control, simulation of light, shade and climate, as well as integrated concepts over the life cycle of buildings.
Geotechnics and foundation design
Geotechnical investigations and design for foundations and ground conditions, focusing on safe and cost-effective solutions for construction and infrastructure projects.
Geomatics and spatial planning
Collection, processing and maintenance of spatial data, surveying, monitoring as well as spatial planning, area development, master planning and land-use planning.
Environmental planning and environmental construction supervision
Environmental technical investigations, analyses, consulting and environmental construction supervision for building, road, tunnel and open-space projects.
Trust & reputation

ranQ Trust Score of Gruner Beteiligungen AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Gruner Beteiligungen AG scores 65.5 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.60.924%
  • 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.52.910%
  • 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.95.08%
Gruner Beteiligungen AG scores 70.4 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.64.612%
  • 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%
Gruner Beteiligungen 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%
Gruner Beteiligungen AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gruner Beteiligungen AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 7 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
4.1
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.17
★TrustpilotSoon
PProvenExpertSoon

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

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Location

St. Jakobs-Strasse 199
4052 Basel
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-302.348.556
Founded
2021 · 5 years
Last commercial register change
August 27, 2024
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.
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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