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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsHemmentalLeanCONS ag
LeanCONS ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of LeanCONSag is the provision of services in the construction industry, particularly in construction management, consulting and training. Specifically, this includes: Construction management and project management, Consulting on construction projects, Training and further education for construction professionals, Management of subcontractor liability, Tenders and billings, Lean construction and process optimization. The company offers its services to both private and public building owners, planners, general contractors, construction companies and craft businesses.

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Products & services

Industry:Architecture Firms
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LeanCONS ag

Construction & Project Management
General Contractors
Owner's Representative
✓ Offered11
Lean Construction
Lean Construction, Last Planner and BIM; support from scheduling to construction production planning, guidance from groundbreaking to handover of keys, coaching and facilitation.
Construction / Project Management
Construction and project management for public clients, planners and general contractors; support in construction projects, coordination and assistance with staffing bottlenecks.
Tendering and Bills of Quantities
Tendering and bills of quantities for public clients as well as planners and general contractors; preparation and support regarding tender documents.
Construction Cost Controlling and Cost Optimization
Construction cost controlling, cost optimization and cost steering for construction projects; support in reducing costs and in controlling construction costs.
Invoicing Controls and Quantity Measurement
Invoice reconciliation checks, quantity measurement and complete billing of construction services; review of final accounts and support for earthworks, trench and civil engineering works.
Construction Law and Expert Reports
Construction law, SIA standards and expert reports; expert opinions, contract law, neutral expert reports in disputes, evidence preservation and technical statements.
Training and Further Education
Training sessions, workshops, lectures and tailored one-day seminars for construction executives, site managers and foremen; topics including Lean Construction, cost optimization and site leadership.
PQM / Risk Management
PQM and risk management for planners and general contractors; support in quality management, risk analysis and project-related processes.
Subcontractor Liability Management
Management of subcontractor liability for construction companies, specialist trades, planners and public clients; support with liability issues and construction-related risks.
Disrupted Construction Processes
Analysis and support for disrupted construction processes; technical clarification of delays, disruptions and their effects on construction projects.
Client Representation
Support and representation of private, public and institutional clients; assistance with new builds, conversions, renovations and project execution.
Trust & reputation

ranQ Trust Score of LeanCONS ag: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 88% · As of October 2026

LeanCONS ag scores 53.3 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: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
LeanCONS 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%
LeanCONS 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%
LeanCONS ag scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

LeanCONS ag reaches a ranQ Trust Score of 3.8 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 88%, 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.

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Location

Hochrahn 73
8231 Hemmental

At a glance

Legal form
Corporation
UID
CHE-243.502.972
Founded
2016 · 10 years
Last commercial register change
November 26, 2019
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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