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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementTäuffelenMartin Kunz
Martin Kunz Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Martin Kunz provides construction management and site supervision services, including claims/variation management, cost and schedule control, tendering and building-permit support. Additional services include client representation, condition assessments, mediation and real-estate fiduciary services.

AI-generated
Offering

Products & services

Industry:Construction & Project Management
✓ Offered10
Construction management
Supervision and coordination of construction sites, work and safety checks, site accounting and site log; taking over warranty work after completion.
Construction execution
Professional construction execution for general contractors, including work preparation, scheduling, billing with SORBA, performance monitoring and coordination of subcontractors.
Building permit application
Advisory and support for building permit applications, providing forms, preparing site and permit plans, and accompanying the process until building approval.
Tender submission management
Handling the tendering process, preparing complete submission documents, obtaining and comparing offers, negotiating bids and concluding construction contracts.
Cost planning and control
Cost estimates and cost forecasts, systematic management of construction costs, checking contractor invoices as well as documentation and quantity take-offs.
Schedule planning
Planning of work processes, scheduling coordination of all parties and visualization of milestones to meet deadlines in the construction project.
Construction consulting / client representation
Construction consulting before purchase or during ongoing projects, advice on work contracts, construction management and the construction industry, as well as second opinions for clients.
Condition inspection
Thorough condition inspection of the structural substance, real estate documentation and documentation of individual components as a basis for assessments and decisions.
Cost estimation for general contractor work
Cost estimation for general contractor work, preparing bills of quantities and accounting for general contractor costs; on request, support and further training for junior staff.
Training and further education
Training and further education with lectures on current events, changes in legislation and tools for increasing revenue or legal protection.
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4.3/5

Martin Kunz

Trust & reputation

ranQ Trust Score of Martin Kunz: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Martin Kunz scores 97.4 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.95.524%
  • 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.100.010%
  • 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.100.08%
Martin Kunz scores 57.0 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.50.012%
  • 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%
Martin Kunz 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%
Martin Kunz scores 6.0 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 35.6.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Martin Kunz reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 67 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 67 reviews across all connected sources

Sources
GGoogle567
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 59
2575 Täuffelen
Opening hours
Mon
06:00 - 19:00
Tue
06:00 - 19:00
Wed
06:00 - 19:00
Thu
06:00 - 19:00
Fri
06:00 - 19:00
Sat
09:00 - 17:00
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-345.359.605
Founded
2023 · 3 years
Last commercial register change
March 2, 2023
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.
67.0
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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