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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementWädenswilMario Widmer Baubegleitung GmbH
Mario Widmer Baubegleitung GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Mario Widmer Baubegleitung GmbH is an architecture and construction management firm that plans, coordinates and supervises building projects during the execution phase. Services include building-permit submissions, cost estimates and cost control, tendering and bid comparison, schedule management, construction accounting and client advisory and representation.

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Products & services

Industry:Construction & Project ManagementOwner's Representative
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4.3/5

Mario Widmer Baubegleitung GmbH

✓ Offered10
Client advisory services / construction supervision
Advisory and support for construction projects as an external specialist, with ongoing monitoring of costs, quality and schedules during execution.
Client representation
Support and representation of the client vis-à-vis general contractors and individual contractors during the construction project.
Construction and project management
Management and coordination of the entire execution from site start to handover of keys, including monitoring schedules, quality and costs.
Planning
Preparation of plans from the initial project stage through to revision plans, as well as drafting building submission documents for construction projects.
Cost estimate and cost quotation
Preparation of cost estimates based on initial drawings and cost quotations based on current drawings.
Cost controls
Ongoing monitoring of construction costs against the cost quotation, including review of contractor invoices and cost status reports available at any time.
Tendering
Preparation of the required tender documents for construction phases excluding building services, as well as producing offer comparisons as a basis for award decisions.
Schedule planning
Preparation and monitoring of the schedule for the entire construction project, including defining interim targets and milestones with the contractors.
Building submissions
Preliminary clarifications with authorities and preparation of the complete building submission documents for planned construction projects.
Construction accountings
Preparation of construction accountings after completion of the construction work.
Trust & reputation

ranQ Trust Score of Mario Widmer Baubegleitung GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Mario Widmer Baubegleitung GmbH scores 83.3 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.85.424%
  • 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.68.910%
  • 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.95.08%
Mario Widmer Baubegleitung GmbH scores 83.0 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.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%
Mario Widmer Baubegleitung GmbH scores 85.0 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).85.022%
Mario Widmer Baubegleitung GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Mario Widmer Baubegleitung GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 14 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 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Zugerstrasse 50e
8820 Wädenswil
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-105.008.564
Founded
1999 · 27 years
Last commercial register change
January 6, 2023
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.88.06%
  • 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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