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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting & Inspection CentersErstfeldTPA Gesellschaft für Qualitätssicherung und Innovation GmbH
TPA Gesellschaft für Qualitätssicherung und Innovation GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of TPA Gesellschaft für Qualitätssicherung und Innovation GmbH is the provision of laboratory and testing services for the construction and environmental industries, particularly in the areas of: asphalt and bitumen technology, concrete technology, earth and foundation engineering, geotechnics, environmental technology and analytics, pavement engineering and pavement management, and technical petrography and mineralogy. The company operates as an independent laboratory organization and serves as the building materials technology competence center of the STRABAG Group.

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Products & services

Industry:Testing & Inspection Centers
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TPA Gesellschaft für Qualitätssicherung und Innovation GmbH

✓ Offered5
Asphalt and bitumen technology
Asphalt mix designs, initial tests and factory production control for asphalt mixing plants, installation optimization, extended testing and functional performance testing for traffic areas, roads, railway construction, water and landfill structures.
Concrete technology
Technical support, plausibility checks, concrete mix designs and initial tests, material optimization, quality monitoring as well as fresh and hardened concrete testing and quality assurance of concrete mixing plants.
Technical rock science and mineralogy
Mineralogical and petrographic assessment of rocks, initial tests, certificates of conformity, quality and quantity estimates, structural hazard assessment in the quarry and verification of hazardous minerals.
Environmental technology and analytics
Chemical analyses of soil, water, waste and recycling materials, waste assessments, investigations of pollutants, subsoil and contaminated site investigations, water testing and chemical construction supervision.
Pavement Engineering and Pavement Management
Condition assessment and damage diagnosis of road lanes, advice on renewal and strengthening, dimensioning of pavement structures, maintenance planning and non-destructive pavement diagnostics.
Trust & reputation

ranQ Trust Score of TPA Gesellschaft für Qualitätssicherung und Innovation GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

TPA Gesellschaft für Qualitätssicherung und Innovation GmbH 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.
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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%
TPA Gesellschaft für Qualitätssicherung und Innovation GmbH scores 86.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
TPA Gesellschaft für Qualitätssicherung und Innovation GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
TPA Gesellschaft für Qualitätssicherung und Innovation GmbH scores 100.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TPA Gesellschaft für Qualitätssicherung und Innovation GmbH 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

Bifang 4
6472 Erstfeld

At a glance

Legal form
Limited Liability Company
UID
CHE-114.752.213
Founded
2009 · 17 years
Last commercial register change
September 5, 2025
Employees
11 to 20
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.88.06%
  • 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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