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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMuttenzRudolf Keller & Partner Verkehrsingenieure AG
Rudolf Keller & Partner Verkehrsingenieure AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Rudolf Keller & Partner AG is an engineering firm specializing in the planning, design and implementation of transportation systems. The core activities include: Traffic planning: Strategic planning and conceptual work for transportation systems; Traffic engineering: Traffic engineering investigations and installations, such as traffic signal systems and guidance systems; Traffic infrastructure: Design and construction management of traffic infrastructure, such as roads, railways and other transportation routes. The company thus offers comprehensive services for the planning, implementation and management of transportation systems.

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Products & services

Industry:Technical Consulting & Engineering
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Rudolf Keller & Partner Verkehrsingenieure AG

✓ Offered12
Transport planning
Surveys, analyses and planning for public transport, motorised individual transport, pedestrians and cyclists, up to comprehensive overall transport plans.
Transport infrastructure
Planning of transport infrastructure up to execution and construction management, including access and parking facilities, junctions, stops, roads and rail access points.
Traffic engineering
Planning and control for operation of transport infrastructure, traffic guidance systems and traffic signal systems, including control and metering concepts, traffic computers and traffic system management.
Mobility concepts
Mobility monitoring and concepts for settlement, district and site developments, and for coordinating traffic with land use.
Traffic surveys
Traffic counts, measurements and surveys as a basis for analyses, forecasts, impact assessments and planning.
Traffic forecasts and models
Traffic forecasts, modelling and variant studies to assess future loads and to test measures.
Traffic, operating and design concepts
Traffic, operating and design concepts for road spaces, junctions, districts and developments, including traffic engineering support.
Traffic management during construction
Traffic management, detour concepts and traffic engineering implementation during construction and renovation works.
Traffic safety, reports and audit (ISSI)
Traffic safety analyses, reports and audits, including Road Safety Audit and thematic safety assessments.
Traffic signal systems (LSA)
Planning, design, procurement and realisation of traffic signal systems, including control adaptations and bus prioritisation.
Traffic guidance systems (VLS)
Traffic guidance systems for tunnels, networks and junctions, including overarching traffic routing and operational control.
Parking guidance systems (PLS)
Parking guidance systems and parking routing for parking garages, sites and larger locations.
Trust & reputation

ranQ Trust Score of Rudolf Keller & Partner Verkehrsingenieure AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Rudolf Keller & Partner Verkehrsingenieure AG 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%
Rudolf Keller & Partner Verkehrsingenieure AG scores 95.0 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.82.07%
Rudolf Keller & Partner Verkehrsingenieure AG 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%
Rudolf Keller & Partner Verkehrsingenieure AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rudolf Keller & Partner Verkehrsingenieure AG reaches a ranQ Trust Score of 4.1 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.

Knowledge

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Location

Neue Bahnhofstrasse 160
4132 Muttenz
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.912.334
Founded
1983 · 43 years
Last commercial register change
February 5, 2025
Employees
21 to 50
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.95.03%
    • Full methodology

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