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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringLes VerrièresAADTEC - Sandra Streit
AADTEC - Sandra Streit Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of AADTEC is the provision of technical and administrative services in the construction sector, particularly in the areas of: building planning and coordination, energy analysis and consulting, project management and supervision, creation of plans and drawings, cost estimation and financial planning, support in the preparation of building applications and permits, and consulting for the renovation and refurbishment of buildings. The company offers these services to companies, private individuals, administrations, and fiduciaries.

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Products & services

Industry:Technical Consulting & Engineering
✓ Offered6
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AADTEC - Sandra Streit

Building technician services
Surveys of rooms and buildings, bill-of-quantities and control quantities, financial and time estimates, planning, coordination, site monitoring.
Building energy analyses
Base CECB labels, comprehensive CECB+ energy analyses, cost and savings evaluation, advice on major renovation work and subsidies.
Project and execution drawings
Drawings, project and execution plans, details, transfer of paper plans into digital drawings, drawings for partial mandates.
Permit and subsidy file management
Minor-importance building permits, SATAC forms, subsidy applications, drafting and sending administrative documents.
Tender calls and bid comparisons
Drafting tender documents, comparative analyses, award decisions, estimates, preparing quotations, letters and invoices related to the mandates.
Advisory and support for companies and property managements
Advice on SIA, OIBT, AIEI standards and public procurement, delegation of work, site coordination and long-term planning of real estate portfolios.
Trust & reputation

ranQ Trust Score of AADTEC - Sandra Streit

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

AADTEC - Sandra Streit 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%
AADTEC - Sandra Streit scores 63.3 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.64.612%
  • 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%
AADTEC - Sandra Streit 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%
AADTEC - Sandra Streit scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Meudon 12
2126 Les Verrières

At a glance

Legal form
Sole proprietorship
UID
CHE-200.487.206
Founded
2021 · 5 years
Last commercial register change
March 15, 2021
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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