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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionBütschwilSenn Bauprojekt GmbH
Senn Bauprojekt GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Senn Bauprojekt GmbH is the provision of services in the areas of construction management, construction planning, and project management for various types of construction projects, including single-family homes, multi-family homes, renovations, conversions, commercial buildings, additions, and extensions. The specific services include: construction management, cost planning and cost control, planning support, scheduling and monitoring, warranty work supervision, project management, tendering and billing, and acceptance testing. The company supports customers in planning and executing construction projects and offers comprehensive services to ensure that projects are successfully and efficiently completed.

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Products & services

Industry:Building Construction
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Senn Bauprojekt GmbH

Building Maintenance
✓ Offered8
Construction planning
Planning and project design, design of single- and multi-family houses as well as commercial buildings, including feasibility studies and house analysis.
Construction management
Project and construction management, scheduling and supervision, tendering and bill-of-quantities preparation, acceptance inspections and monitoring of warranty work.
Cost planning and cost control
Cost planning and cost control for construction projects as part of project support and coordination.
Project coordination
Support and coordination of individual construction projects from concept to handover of the keys as a central point of contact.
Feasibility study
Feasibility study with house analysis to assess what is possible on a property and how construction projects can be implemented.
Single-family home projects
Planning, project design and support for single-family homes, including new builds, conversions, renovations and extensions or additions.
Multi-family building projects
Planning, project design and support for multi-family buildings, including new builds, conversions, renovations and roof refurbishment.
Commercial building projects
Support and coordination of commercial buildings as part of planning, project design and construction management.
Trust & reputation

ranQ Trust Score of Senn Bauprojekt GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Senn Bauprojekt GmbH scores 56.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.68.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.70.08%
Senn Bauprojekt GmbH scores 65.0 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.58.012%
  • 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%
Senn Bauprojekt GmbH 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 Bauprojekt GmbH 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%
Qualifications+0.00

Senn Bauprojekt GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Landstrasse 30
9606 Bütschwil

At a glance

Legal form
Limited Liability Company
UID
CHE-433.086.447
Founded
2022 · 4 years
Last commercial register change
November 29, 2022
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.
88.0
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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