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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementRheinfeldenRolf Müller Dienstleistungen GmbH
Rolf Müller Dienstleistungen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Rolf Müller Dienstleistungen GmbH is the provision of services in the field of construction administration, particularly for master builders, architects, general contractors, engineers, and entrepreneurs. This includes: creation of tender documents and performance specifications, construction administration and billing, estimates and quantity surveys, Building Information Modeling (BIM), construction trust and project management, insolvency proceedings and consulting, mediation and settlement negotiations, and consulting for construction companies. The company supports its customers in planning, executing, and billing construction projects, offering a comprehensive range of services.

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Products & services

Industry:Construction & Project Management
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Rolf Müller Dienstleistungen GmbH

✓ Offered8
Construction contractor accounting
Measurement and billing services for construction sites, including documentation, photographic evidence, plan documents, and review of tender documents as well as variations.
BOQ preparation
Preparation of bills of quantities and cost estimates according to NPK or a free description, including preliminary quantities, tender documents and quotation materials for construction projects.
Construction site management
Construction site management with coordination, instructions, corrections and on-site intervention, ensuring adherence to cost and schedule parameters for renovations and complex projects.
BIM (Building Information Modeling)
BIM support for construction managers, from model creation through enriching design inputs to quantity take-off and digital execution planning.
Construction trustee services
Construction trustee services with project controlling, cost and schedule monitoring, coordination of all parties involved, quality assurance, as well as independent advice and representation.
Insolvency proceedings / expert reports
Support for bankruptcy offices in construction insolvencies, review of outstanding construction accountings, negotiations with clients, and preparation of expert reports in case of dispute.
(Construction) mediation
Mediation for out-of-court dispute resolution in construction matters, confidential and neutral, also as an alternative to conciliation proceedings or on the court's recommendation.
Advisory services
Advisory for construction contractors to analyse processes, unlock operational potential and optimize the billing of construction services.
Trust & reputation

ranQ Trust Score of Rolf Müller Dienstleistungen GmbH

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

Rolf Müller Dienstleistungen GmbH 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%
Rolf Müller Dienstleistungen 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%
Rolf Müller Dienstleistungen GmbH 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%
Rolf Müller Dienstleistungen 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%

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

Quellenstrasse 37
4310 Rheinfelden

At a glance

Legal form
Limited Liability Company
UID
CHE-105.267.137
Founded
1999 · 27 years
Last commercial register change
November 3, 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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