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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeBottmingenRoger Gilli AG Baumanagement und Bauleitungen
Roger Gilli AG Baumanagement und Bauleitungen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Roger Gilli AG is the provision of construction management and construction supervision services for various types of construction projects, particularly in the areas of residential, commercial and hospital buildings. This includes the planning, organization and monitoring of construction projects, including cost planning, scheduling, tendering, awarding of contracts and construction management. The company supports its customers from the initial idea to the commissioning and operation of the building.

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3.8/5

Roger Gilli AG Baumanagement und Bauleitungen

✓ Offered8
Construction management
Construction management for new-build, conversions and renovation projects; guidance from the first idea through to commissioning and operations, including consulting, planning and construction coordination.
Client representation
Client representation for renovations, conversions and new builds; preparing decision support documents, reviewing schedules, cost calculations and final construction accounts.
Construction supervision
Construction supervision for residential, commercial, senior living and care, as well as hospital buildings; site organisation, measurement works, inspection of the structure, acceptance of work, invoice checks and warranty monitoring.
Planning of building projects
Planning of new-build and conversions on CAD; support for strategic planning as well as for renovations, conversions and new builds.
Cost planning
Cost estimates, cost calculations and rough cost analyses for conversions and renovations of residential, commercial and hospital buildings.
Schedule planning
Scheduling of construction dates with work-flow, tender and award organisational charts, as well as bar charts.
Tendering and award
Preparing specifications according to NPK, tender documents, offer reviews, bid evaluations, offer comparisons and recommendations for award.
Work contract awards
Negotiations with contractors as well as conclusion of work and supply contracts as part of the award processes.
Trust & reputation

ranQ Trust Score of Roger Gilli AG Baumanagement und Bauleitungen: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Roger Gilli AG Baumanagement und Bauleitungen scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.35.08%
Roger Gilli AG Baumanagement und Bauleitungen scores 85.5 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.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%
Roger Gilli AG Baumanagement und Bauleitungen 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%
Roger Gilli AG Baumanagement und Bauleitungen scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roger Gilli AG Baumanagement und Bauleitungen reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». 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

Birsigstrasse 10
4103 Bottmingen

At a glance

Legal form
Corporation
UID
CHE-108.215.384
Founded
2003 · 23 years
Last commercial register change
June 10, 2026
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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