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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingSigriswilGerhard Leu AG
Gerhard Leu AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Gerhard Leu AG is the consulting and support of organizations in the areas of Strategic Planning, Project Management, Process Optimization and Quality Management. The company offers services such as analyses, evaluations, Strategic Planning, Project Management, IT Project Management, Risk and Quality Management, as well as Business Excellence implementation.

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Offering

Products & services

Industry:Management Consulting
✓ Offered
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4.0/5

Gerhard Leu AG

5
Management Consulting
Strategic planning and implementation for organisations; analyses, project optimisations, reporting & controlling, requirements engineering, risk and quality management, business process engineering.
Analyses and Evaluations
Statistical data analyses, evaluations, EFQM assessments, reviews and audits to assess organisations, processes and results.
Strategic Planning
Strategic analyses, strategic options, project optimisations, simulations as well as reporting & controlling for aligning and steering initiatives.
Project Management
Strategic projects, IT project management, requirements engineering, risk and quality management, and support for public tenders.
Business Excellence
EFQM implementation, EFQM training, operational excellence, ICT service management and business process engineering.
Trust & reputation

ranQ Trust Score of Gerhard Leu AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Gerhard Leu AG scores 61.3 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.68.224%
  • 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.17.610%
  • 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%
Gerhard Leu AG scores 85.5 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%
Gerhard Leu AG scores 83.3 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).83.322%
Gerhard Leu AG scores 11.4 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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gerhard Leu AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Feldenstrasse 4
3655 Sigriswil
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-112.313.328
Founded
2005 · 21 years
Last commercial register change
May 29, 2017
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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