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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSuhrPlus Plan AG
Plus Plan AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company provides planning and consulting services in the field of building technology, particularly in the areas of plumbing, sanitation, heating/cooling and ventilation. It takes over the entire planning, coordination and construction management of projects and offers environmentally friendly and practice-oriented solutions.

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Products & services

Industry:Technical Consulting & Engineering
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4.0/5

Plus Plan AG

✓ Offered7
Sewerage and drainage planning
Sewerage and drainage for new buildings, existing properties and infrastructure projects; development of sewerage techniques and drainage solutions according to SN 592 000 and GEP standards.
Sanitary planning
Sanitary facilities for drinking water, wastewater and hygiene installations; conception and implementation coordinated with the building, comfort requirements, sustainability and energy efficiency.
Heating and cooling planning
Heating and cooling concepts for buildings; selection of suitable energy sources and systems with a focus on sustainable, efficient and cost-effective solutions.
Ventilation planning
Ventilation systems for different building types; detailed design for comfortable indoor climate, well-being and energy efficiency.
Consulting
Analysis, tendering, design and optimisation of drainage, heating/cooling, ventilation, air-conditioning and sanitary services; technical and cost-compliant solutions.
Coordination
Coordination of the planning of building services; definition of interfaces, CAD support, and interdisciplinary coordination among all parties.
Construction management
Specialist supervision for building services; coordination and optimisation of the construction process, and inspection of execution according to the planner's specifications.
Trust & reputation

ranQ Trust Score of Plus Plan AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Plus Plan AG 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%
Plus Plan AG scores 66.4 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.39.612%
  • 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%
Plus Plan 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%
Plus Plan AG 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

Plus Plan AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Location

Bahnhofstrasse 6
5034 Suhr
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
07:30 - 12:00
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-330.174.787
Founded
2024 · 2 years
Last commercial register change
June 20, 2024
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.
100.0
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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