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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringOtelfingenCONCRETAG Beratende Bautechnologen AG
CONCRETAG Beratende Bautechnologen AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of CONCRETAG Beratende Bautechnologen AG is consulting in the field of building maintenance, particularly conducting condition surveys, developing repair concepts, tendering, construction management and quality control for existing buildings.

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Products & services

Industry:Technical Consulting & Engineering
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CONCRETAG Beratende Bautechnologen AG

✓ Offered7
Building conservation
Building conservation for existing buildings: restore damaged and old building fabric permanently and with low maintenance, preserving the value of structures.
Condition assessments and condition analyses
Comprehensive condition assessments and condition analyses with measurements such as potential field, reinforcement cover, compressive strength, carbonation, crack widths and moisture.
Repair concepts
Development of repair concepts including costs, prioritisation, remediation strategy, feasibility review and definition of procedures.
Design and planning
Design and planning of renovations and conversions, including needs assessment, solution development, preparation of plans, structural calculations, cost planning and obtaining approvals.
Tendering and bills of quantities
Tendering and bills of quantities for all trades, obtaining and reviewing bids, preparing contracts and coordinating specialist designers.
Site management and specialist site supervision
Site management and specialist supervision with management of construction works and meetings, coordination of specialist designers and advising the client.
Quality checks and quality assurance
Quality checks and quality assurance during planning and execution, including quality control, handovers and construction documentation.
Trust & reputation

ranQ Trust Score of CONCRETAG Beratende Bautechnologen AG: 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.

CONCRETAG Beratende Bautechnologen 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.
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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%
CONCRETAG Beratende Bautechnologen AG scores 85.5 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.55.07%
CONCRETAG Beratende Bautechnologen AG 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%
CONCRETAG Beratende Bautechnologen AG scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

CONCRETAG Beratende Bautechnologen 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.

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Location

Im Geeren 29
8112 Otelfingen

At a glance

Legal form
Corporation
UID
CHE-103.701.967
Founded
1986 · 40 years
Last commercial register change
November 21, 2025
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.100.06%
  • 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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