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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsMelsTuffli & Partner AG
Tuffli & Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Tuffli & Partner AG provides civil engineering and planning services for infrastructure projects, covering areas such as transport infrastructure, utilities and drainage, structural engineering, environmental services, noise and acoustics, safety, and client support/project management.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered7
Transport infrastructure
Studies, concepts, expert reports, project engineering, site supervision, RSA, RSI, monitoring and construction acceptance for road construction, traffic routes, railway facilities, pedestrian and two-wheeler facilities.
Utilities and waste management
Studies, concepts, hydraulic and cost-benefit calculations, multi-year maintenance programmes as well as planning and implementation for water supply, municipal drainage, utility line construction, district heating and gas.
Structural civil engineering
Design, project engineering, construction inspections, site supervision and construction acceptance for culverts, retaining structures and excavation shoring.
Environment
Environmental impact assessments, environmental planning, environmental construction supervision, hydraulic engineering, renaturalisation and flood protection with studies, concepts, project engineering, site supervision and construction acceptance.
Noise and acoustics
Noise expert reports, noise compliance verification, noise remediation projects, noise burden maps and noise measurements as well as support during concept, planning and construction phases.
Safety
Advisory and support for traffic safety, health and fire protection, emergency planning and occupational safety; hazard analyses, risk assessments, safety concepts, measures planning, audits and training.
Client support and project management
Client support, procurement of planners, coordination mandates, overall management and site supervision for large and small projects, municipal engineering, land development servicing and contribution procedures.
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4.1/5

Tuffli & Partner AG

Trust & reputation

ranQ Trust Score of Tuffli & Partner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Tuffli & 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%
Tuffli & Partner AG scores 87.1 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%
Tuffli & Partner 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%
Tuffli & Partner AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Tuffli & 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 54%, 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.

Knowledge

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Location

Bahnhofstrasse 8
8887 Mels

At a glance

Legal form
Branch
UID
CHE-206.957.908
Founded
1989 · 37 years
Last commercial register change
October 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.
76.0
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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