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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeEnnetbadenGähler und Partner AG
Gähler und Partner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gähler und Partner AG is a planning and engineering firm providing integrated building and general planning services. Its offerings include architecture, structural engineering, building services, project management and real-estate development, as well as infrastructure design for roads, rail and underground works; the firm also provides owner-representation, energy and building-physics studies and seismic safety assessments.

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Products & services

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Gähler und Partner AG

✓ Offered12
Client Representation
Technical and organisational support for construction projects on behalf of the client, including coordination of stakeholders, schedule, cost and quality monitoring, as well as design submissions and assistance with award procedures.
Client Support
Support for the client through SIA phases 1–5, from idea development and selection of design partners through to construction execution and acceptance, focusing on risk, quality, schedules and costs.
Construction Fiduciary Services
Fiduciary responsibility for planning, steering and controlling construction projects, including project organisation, contract and cost management, schedule monitoring and quality assurance.
Overall Site Management
Overall steering and coordination on the construction site, advisory role in the submission phase, and interface work between client, design and construction.
Support for Competition Procedures
Support for competitive procedures according to SIA 142/143, including selection of the procedure, programme, process coordination, jury support, evaluation and preparation of results.
Real Estate Project Development
Development of real estate projects along the value-creation chain, from land securing and planning through to realisation and marketing.
Investment Management
Economic feasibility calculations based on financing models, potential analyses for development projects and assessment of cost-to-income relationships.
Real Estate Market Analyses
Analysis of supply, demand and market development in the real estate sector, with assessments of rents and returns as well as revaluation of portfolios.
Architecture and Structural Engineering
Planning of new builds and conversions, coordination and supervision of specialists, and ensuring schedules, costs, quality and sustainable solutions.
Building Services Engineering
Design of electrical building equipment, heating and cooling systems, ventilation and air-conditioning systems, sanitary facilities, building automation, energy concepts and building simulation.
Transport Infrastructure Construction
Planning and realisation of road construction, railway facilities, structural civil engineering, utilities (supply and disposal), dismantling and disposal, special deep construction and site management.
Underground Construction
Planning of railway and road tunnels, adits, shafts and caverns, as well as geotechnics, rock mechanics, repair and preservation and power plant construction.
Trust & reputation

ranQ Trust Score of Gähler und Partner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Gähler und Partner 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.
x
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%
Gähler und Partner AG scores 93.9 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.82.07%
Gähler und Partner 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%
Gähler und Partner AG scores 30.0 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 35.60.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Gähler und Partner 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 58%, 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.

Press

Media

December 10, 2025Media
Generationenwechsel: Gähler und Partner setzt auf weibliche Führungskräfte
badenertagblatt.ch

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Location

Sonnenbergstrasse 1
5408 Ennetbaden

At a glance

Legal form
Corporation
UID
CHE-106.042.730
Founded
1988 · 38 years
Last commercial register change
March 2, 2026
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.85.03%
    • Full methodology

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