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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringKriense4plus AG
e4plus AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of e4plus AG is consulting, planning and implementing projects in the field of energy, climate and sustainability, particularly in the areas of: energy planning and consulting, building and area development, renewable energies (e.g. solar energy), climate adaptation and protection, sustainable building and living, energy efficiency and management. The company also provides educational and informational services and develops solutions for municipal and regional energy and climate projects.

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Products & services

Industry:Technical Consulting & Engineering
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4.1/5

e4plus AG

Sustainability Sector
✓ Offered12
Energy planning
GIS-based energy plans for municipalities and regions, including energy concepts, guideline planning and the development of district heating networks.
Support for Energiestadt
Support for municipalities in obtaining the Energiestadt label and in implementing energy-policy measures.
Energy Region support
Advising regions on inter-municipal cooperation in the energy sector, along with support for strategic, organisational and implementation-related issues.
Solar energy consulting
Planning for individual solar installations, advice on shared use of solar power, feasibility studies, portfolio strategies and regional potential analyses.
Energy consulting
Advice for public and private property owners on energy efficiency and renewable energies, in particular heating system replacement, solar installations and thermal insulation.
GEAK and GEAK Plus
Preparation of building energy certificates GEAK and GEAK Plus for assessing buildings, as a basis for consulting and development of renovation projects.
Evidence management
Evidence management for renovations and new builds, including official documentation, Minergie, SNBS, SIA Efficiency Path, and handling subsidy applications.
Sustainable building
Concepts for net-zero-ready construction for new-build projects, renovations of existing buildings and sites, and conversions to other uses.
Site development
Support for investors and municipalities in developing sustainable, energy-efficient sites and village centers, from land-use planning through to completion.
Energy policy implementation
Implementation concepts, working tools and review activities for official evidence, funding programmes and advisory processes on behalf of the public sector.
Programme development
Development, design, support and implementation of awareness-raising, advisory and funding programmes, including time-limited actions and long-term mandates.
Climate adaptation
Advising municipalities on developing measures, concepts and action plans to adapt to a changing climate, and on supporting projects.
Trust & reputation

ranQ Trust Score of e4plus AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

e4plus AG scores 53.8 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.70.824%
  • 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%
e4plus 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%
e4plus 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%
e4plus AG scores 94.3 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 35.94.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

e4plus 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 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
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Kirchrainweg 4a
6010 Kriens

At a glance

Legal form
Corporation
UID
CHE-161.790.604
Founded
2011 · 15 years
Last commercial register change
December 16, 2024
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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