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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSt. GallenSenn Construction AG
Senn Construction AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Senn Construction AG acts as a total and general contractor for the realization and renovation of residential, commercial and industrial properties. The company manages projects with in-house project and site managers and provides services including land acquisition, development, marketing, sustainability consulting, building services engineering and digital construction.

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Products & services

Industry:Architecture FirmsGeneral Contractors
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Senn Construction AG

✓ Offered7
Development
Development of future-proof usage concepts up to building readiness, together with partners; sustainable real estate developments with architectural quality and a consistent focus on users, followed by our own marketing.
Delivery
Delivery and refurbishment of residential, commercial and business properties as a total or general contractor with our own project and site managers, cost-conscious, quality-compliant and on schedule.
Land acquisition
Acquisition of plots of land and properties for further development; sourcing of undeveloped plots, infill sites, brownfields as well as properties with potential for renovation, change of use or value enhancement.
Marketing
Marketing of residential, commercial and office spaces as part of the development; development of communication storylines, outreach to prospective tenants and support of current projects during marketing.
Sustainability consulting
Consulting for sustainable construction projects covering material ecology, renewable energies, energy concepts, sustainability certifications, on-site quality assurance, ESG reporting and greenhouse gas balances.
Building services
Building services engineering and automation for residential, commercial and laboratory spaces; property management focused on reliable quality, certified sustainability and technical solutions.
Digital construction
Creation, modelling, coordination, analysis and maintenance of digital building models; BIM-supported digital twins, dashboards and cross-project optimisation of planning, construction and operating processes.
Trust & reputation

ranQ Trust Score of Senn Construction AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Senn Construction 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%
Senn Construction AG scores 90.2 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.95.212%
  • 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%
Senn Construction AG 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%
Senn Construction AG scores 55.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Senn Construction 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 58%, 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.

Press

Media

September 1, 2020Media
Den Ort verstehen
hochparterre.ch

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Location

Brühlgasse 37
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-191.081.949
Founded
2013 · 13 years
Last commercial register change
March 3, 2025
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
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