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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSchaffhausenBollinger Energy Design & Consulting SIA GmbH
Bollinger Energy Design & Consulting SIA GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Bollinger Energy Design & Consulting SIA GmbH is to provide customized solutions for municipal energy planning, the expansion of renewable energies, and building physics, including expert activities for building damage. Specifically, this includes: energy planning and supply concepts, building physics and measurements, energy strategy and energy consulting, design of energy-efficient buildings and areas, and expert opinions for building damage. The company supports the energy transition by developing networked solutions and is committed to fossil-free buildings and areas by 2050.

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Products & services

Industry:Technical Consulting & Engineering
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3.9/5

Bollinger Energy Design & Consulting SIA GmbH

✓ Offered4
Energy planning and supply concepts
Analysis of energy demand, preparation of annual load profiles, assessment of heat and cold sources, and cost-benefit calculations for properties, districts and municipalities.
Building physics & measurements
Thermal insulation and acoustic protection concepts, Minergie certifications, summer heat protection and comfort assessments, as well as measurements of dew point, humidity, thermal bridges and air leakage.
Expertises and expert reports
Independent assessment of structural defects and building deficiencies based on on-site inspections, analyses and expert evaluation according to standards and best practice.
Project specifications and energy & building services concepts
Definition of the project specifications as well as recording the key decisions for the energy and building services concept; neutral support throughout the planning process.
Trust & reputation

ranQ Trust Score of Bollinger Energy Design & Consulting SIA GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

Bollinger Energy Design & Consulting SIA 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.
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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%
Bollinger Energy Design & Consulting SIA GmbH scores 65.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.50.012%
  • 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%
Bollinger Energy Design & Consulting SIA GmbH scores 83.3 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).83.322%
Bollinger Energy Design & Consulting SIA GmbH scores 3.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bollinger Energy Design & Consulting SIA GmbH reaches a ranQ Trust Score of 3.9 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.

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Location

Lahnstieg 3
8200 Schaffhausen

At a glance

Legal form
Limited Liability Company
UID
CHE-318.213.985
Founded
2023 · 3 years
Last commercial register change
January 25, 2023
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.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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