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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSite PreparationLaufenburgERNE Immo AG
ERNE Immo AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

ERNE Immo AG is part of the ERNE Group, which presents construction, infrastructure and project-related activities on its website. The site focuses on services, reference projects and company information from the broader ERNE organisation.

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Products & services

Industry:Site PreparationProperty Management
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ERNE Immo AG

✓ Offered9
Building construction
Building construction for new builds, industrial construction, commercial construction, data centers, water construction and residential building; including complex construction projects and tailored solutions.
Civil engineering
Civil engineering for road construction, infrastructure construction and special deep construction; carried out for demanding projects with suitable specialists and equipment fleet.
Renovation and conversion
Renovation and conversion of existing buildings, including complex construction schedules and works on existing structures.
General contractor and total contractor (ERNEplus GU/TU)
General contractor and total contractor for construction projects with full project execution, from planning through to realization.
Construction specialties
Bricklaying by client’s masons, concrete drilling, building protection and demolition for specialized construction work.
Engineering
Engineering for construction projects, including technical planning and construction support.
BIM
Digital construction with BIM for model-based planning and execution of construction projects.
Collaboration models
Collaboration models for construction projects with coordinated roles and cooperative project execution.
Sustainability in construction
Sustainability in construction with a focus on resource-efficient solutions and circular economy approaches in construction projects.
Trust & reputation

ranQ Trust Score of ERNE Immo AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

ERNE Immo AG scores 73.6 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.77.424%
  • 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.88.08%
ERNE Immo AG scores 89.3 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.70.07%
ERNE Immo AG scores 86.7 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).86.722%
ERNE Immo AG scores 61.7 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: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

ERNE Immo AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 7 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.97
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

April 14, 2026Media
Erne Immo AG über die Herausforderungen beim Wohnprojekt auf dem Areal Schützegärte
aargauerzeitung.ch

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Location

Bahnhofstrasse 8
5080 Laufenburg

At a glance

Legal form
Corporation
UID
CHE-105.889.356
Founded
1983 · 43 years
Last commercial register change
June 11, 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.
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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