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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingSt. GallenLemon Consult AG
Lemon Consult AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Lemon Consult AG is a consultancy focused on sustainability, energy and building services engineering. The company supports projects with services in sustainability strategy, building simulation, building physics and acoustics, sustainability labels, and energy-focused operational optimisation.

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Offering

Products & services

Industry:Management ConsultingTechnical Consulting & EngineeringSustainability Sector
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4.0/5

Lemon Consult AG

✓ Offered12
Sustainability Strategy Consulting
Strategic foundations for sustainable processes and buildings on the path to CO2 neutrality; baseline assessment, ESG and CSRD support, sustainability strategy development and implementation follow-up.
Corporate Decarbonisation
Corporate decarbonisation with greenhouse-gas accounting across Scope 1 to 3, corporate carbon footprint, decarbonisation plan, net-zero roadmap and measures planning.
Sustainability Consulting for SMEs
Consulting for SMEs on regulatory requirements, ESG, VSME and CSRD processes, material topics, sustainability strategy and implementation support.
Public-Sector Sustainability Consulting
Consulting for municipalities, cities and public institutions on sustainable development, climate adaptation, energy-efficient planning, procedural support and quality assurance.
Site and District Development
Site and district development with sustainability feasibility studies, target definitions, briefs, risk and potential analyses, and label consulting.
Real-Estate Portfolio and Building Operations
Analysis of energy use and emissions, CO2 reduction paths, measures and investment planning, refurbishment strategies, sustainability labels in operation and due-diligence reviews.
Sustainability Label Consulting
Consulting and support for sustainability labels and certifications for new buildings, existing buildings and sites, including evidence for Swiss and international standards.
Building Physics and Acoustics
Building physics and acoustics with thermal and moisture protection, moisture control, structural and room acoustics, noise protection, plus measurements, compliance proofs and refurbishment concepts.
Building Simulation
Building simulation for wind comfort, solar exposure, daylight, façades, thermal comfort, energy demand, air quality and microclimate.
Energy and Technical Concepts
Energy and technical concepts for sustainable net-zero solutions, with target setting, technical briefs, heating and cooling load assessment and cost-benefit calculations.
Operational Energy Optimisation
Optimisation of heating, ventilation, air-conditioning and cooling systems in operation, including baseline assessment, system tuning, training for technical staff and coaching.
Condition Assessment and Measures Planning
Condition assessment with analysis of building services and envelope, measures planning, refurbishment strategies, sustainability due diligence and investment basis.
Trust & reputation

ranQ Trust Score of Lemon Consult AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of October 2026

Lemon Consult 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%
Lemon Consult AG scores 55.0 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.25.012%
  • 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%
Lemon Consult AG scores 83.3 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).83.322%
Lemon Consult AG scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lemon Consult 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.

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Location

Hier entsteht die Karte
St.Leonhard-Strasse 45
9001 St. Gallen

At a glance

Legal form
Branch
UID
CHE-237.519.668
Founded
2025 · 1 year
Last commercial register change
October 13, 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.
76.0
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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