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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringPlaffeienpbplan ag
pbplan ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

pbplan ag is a service company specializing in sustainable planning and project development in various fields. The company's core activities include: Infrastructure construction and project management (civil engineering); Natural hazards and renaturation (flood protection, water management); Spatial development and mobility (spatial and environmental planning); Environment and geoinformatics (GIS, cartography); Forest and forestry (forest planning, forest management); Water management (water and electricity supply, flood protection). The company offers services such as project and construction management, planning, consulting and research in these areas.

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Offering

Products & services

Industry:Technical Consulting & EngineeringCivil Engineering Firms
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3.9/5

pbplan ag

✓ Offered6
Civil infrastructure and structural design
Planning, execution and rehabilitation of buildings and infrastructures; municipal drainage, drinking water supply, hydraulic structures, road construction, utility lines, structural design for buildings, as well as tendering and settlement of site-cast concrete works.
Natural hazards and renaturation
Renaturation, flood and surface runoff advisory services, protection against debris flows, landslides and rockfall, engineering-biological measures, as well as expert reports on natural hazards for building applications.
Spatial development and mobility
Revisions of local land-use plans, detailed development plans, studies on inner densification and enhancement potential, as well as mobility studies on road safety, traffic calming and 30 km/h zones.
Environment and geoinformatics
Environmental impact reports, environmental construction monitoring, soil protection concepts, soil-science construction monitoring, initial assessments for soil contamination, monitoring concepts, sustainability appraisals, as well as geodata processing, GIS analyses, web applications, drone surveys and surveying.
Forest and forestry
Deforestation dossiers, environmental impact reports, protective forest programmes, forestry planning, forest reserves, sales documents for forestland, inventories, forest site mapping, stand maps, and support for public forest owners.
Water resource management
Water prospecting, planning and construction of water supply facilities, refurbishment and renewal, monitoring of water quantity and quality, hydrogeological investigations, groundwater protection zone studies, comprehensive water management plans, and energy aspects in water projects.
Trust & reputation

ranQ Trust Score of pbplan ag: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

pbplan ag scores 51.4 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.66.724%
  • 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.27.910%
  • 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.35.08%
pbplan ag scores 89.3 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.70.07%
pbplan ag scores 85.0 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).85.022%
pbplan ag scores 13.7 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 35.13.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

pbplan ag reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 2 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
4.5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle4.52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Müli 12
1716 Plaffeien

At a glance

Legal form
Corporation
UID
CHE-106.584.126
Founded
1990 · 36 years
Last commercial register change
September 9, 2026
Employees
11 to 20
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.70.03%
    • Full methodology

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