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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementBaselRapp AG
Rapp AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Rapp AG provides planning and consulting services across general planning and construction management, architecture and site planning, infrastructure and environmental engineering, mobility and traffic, as well as energy systems and operations/logistics. The company is a Swiss planning and consulting group offering services such as structural engineering, building physics, energy concepts and measurement systems, and Virtual Design and Construction (VDC).

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Rapp AG

Industry:Construction & Project Management
✓ Offered12
General planning
General planning for building projects, from the first idea through to implementation; coordination of architecture, structural engineering, building physics, fire protection and other specialist planners.
Construction management
Construction management for demanding building projects; control of processes, interfaces and parties involved so that deadlines, costs and execution align throughout the project.
Architecture
Architecture for new builds, conversions and project development; planning of buildings from concept to realization, tailored to use, operation and sustainability.
Structural engineering
Structural engineering for buildings and infrastructure structures; design and dimensioning of load-bearing structures for safe, durable and economical buildings.
Building physics and acoustics
Building physics and acoustics for buildings; planning of thermal, moisture, sound and energy aspects, as well as support for functional and energy-efficient structures.
Fire protection
Fire protection for building projects; concepts and planning for safe structures in coordination with architecture, structural engineering and safety.
Safety
Safety planning for structures; support for preventive safety requirements and coordination with other specialist planning.
BIM / Virtual Design and Construction
Digital models for planning, execution and operations; linking data and stakeholders for clearer decisions and fewer surprises during the project.
Transport planning
Transport planning for mobility and infrastructure projects; development of traffic flows, access/connection planning and solutions for public, private and freight transport.
Mobility consulting
Mobility consulting for transport projects and site-specific issues; development of viable concepts for mobility solutions and their implementation.
Public transport consulting
Consulting for public transport; demand and supply analyses, operating concepts, reliability and solutions for public transport systems.
Environmental planning
Environmental planning for construction, infrastructure and energy projects; development of environmental and energy concepts that combine ecological, technical and economic requirements.
Trust & reputation

ranQ Trust Score of Rapp AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Rapp AG scores 69.0 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.72.124%
  • 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.40.910%
  • 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%
Rapp AG scores 97.0 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.90.07%
Rapp AG scores 86.7 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).86.722%
Rapp AG scores 73.4 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.46.74%
Qualifications+0.00

Rapp AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 4 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 31, 2026Media
Der Basler Staat platzt bald, so fett ist er inzwischen
primenews.ch
May 13, 2026Media
«Es geht nicht, dass der Staat die Privaten konkurrenziert»
primenews.ch
November 17, 2025Media
CEO-Übergabe bei der Rapp AG: Annette Rapp übernimmt die Führung
baublatt.ch
November 17, 2025Media
Basler Rapp AG ernennt Annette Rapp zur neuen Geschäftsleiterin
nau.ch

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Location

Hochstrasse 100
4053 Basel
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.420.304
Founded
1995 · 31 years
Last commercial register change
September 11, 2026
Employees
51 to 100
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.95.03%
    • Full methodology

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