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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsRothristHaller Architektur AG
Haller Architektur AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Haller Architektur AG is the planning, consulting and implementation of construction projects, particularly in the areas of new construction, renovation, refurbishment and energy efficiency, as well as the creation of overall concepts for construction projects (GEAK). The company also offers services such as construction cost estimation, scheduling, construction management and cost control.

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Products & services

Industry:Architecture Firms
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3.7/5

Haller Architektur AG

5
New construction
Development, design and implementation of energy-efficient, sustainable buildings; including building-law clarifications, building application, detailed execution planning, cost and schedule planning, as well as project and construction management.
Refurbishment
Conversions, extensions, storey additions and energy-efficient modernisations; with an overall concept, condition assessment, feasibility clarifications, building application, energy performance proof, funding support as well as project and construction management.
Building restoration
Restoration of older buildings and structural remediation for building defects; including analysis of restoration potential, restoration concept, detailed execution planning, cost and schedule planning, as well as project and construction management.
GEAK + GEAK Plus
Energy consulting with GEAK and GEAK Plus; building walk-through, energy assessment, renovation and improvement options, clarification of funding eligibility, estimated costs and cost-effectiveness.
Impulse advisory for renewable heating
Advisory on alternative, renewable heating systems, solar installations, comfort ventilation systems and PV systems; as free impulse advisory on behalf of the Federal government.
Trust & reputation

ranQ Trust Score of Haller Architektur AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 100% · As of October 2026

Haller Architektur AG scores 53.8 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.70.824%
  • 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.27.910%
  • 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.35.08%
Haller Architektur AG scores 79.8 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.86.512%
  • 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%
Haller Architektur AG 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%
Haller Architektur AG scores 6.6 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 35.13.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Haller Architektur AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 2 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

November 6, 2025Media
Kontinuierliche Erweiterung -
swiss-architects.com

Knowledge

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Comparisons

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Location

Rössliweg 29b
4852 Rothrist
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-369.612.953
Founded
2016 · 10 years
Last commercial register change
June 28, 2016
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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