ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringZurichLemon Consult AG
Lemon Consult AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the provision of services in the field of building technology, energy efficiency and sustainability, particularly in the areas of: building physics and acoustics, quality assurance and sustainability, energetic operational optimization, condition analysis and measure planning, specialized building technology planning, and research and development in the field of energy and resource efficiency. The company supports customers in optimizing their buildings and operations to use energy and resources more efficiently and improve sustainability.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.2/5

Lemon Consult AG

✓ Offered12
Sustainability strategy consulting
Strategic foundations for future-proof processes and buildings on the path to CO2 neutrality; decarbonisation, sustainability strategy, ESG-/CSRD support, target and measure planning.
Energy and building services concepts
Integrated energy and building services concepts for buildings and sites; demand assessment, heat and cooling generation, electricity generation, sizing of the HLKSE trades and cost-effectiveness calculations.
Building simulation
Simulations for wind comfort, shading, daylight, façades, air quality, microclimate, thermal comfort and energy costs to optimise architecture and technology.
Sustainability label consulting
Sustainability concepts for new-builds and existing buildings, as well as certifications and documentation for LEED, BREEAM, DGNB, SNBS, 2000-Watt-Areal and MINERGIE.
Building physics and acoustics
Thermal and moisture protection, building and room acoustics, noise protection as well as building ecology with documentation, simulations, measurements and refurbishment concepts.
Quality assurance, sustainability and technology, second opinion
On-site quality assurance for sustainability and technology; review and measure processes, quality assurance for HLKSE and MSRL, and project-specific second opinions.
Energy and resource efficiency in operation
Analysis and optimisation of energy and resource use in operation; efficiency potential, resource and energy management, statutory requirements and target agreements.
Energy optimisation in operation
Optimisation of heating, ventilation, air-conditioning and refrigeration systems in operation; current state, control parameters, implementation of measures, training of the technical department and coaching.
Condition analysis and measures planning
Condition analyses of building envelopes, technical systems and production processes; identification of potential, proposals for measures, investment planning and pinch analysis.
Specialised building services design
Analysis, concept, design, implementation and operational optimisation for building services; replacement concepts, replacement of heat generators, conversion and support through to acceptance.
Research and development
Research into innovative solutions for buildings and processes; participation in national and international projects as well as further development of standards and planning tools.
Competition support
Expert technical support for competitions, study mandates and test planning; competition programme, technical pre-screening, jury support as well as sustainability, energy efficiency and building physics.
Trust & reputation

ranQ Trust Score of Lemon Consult AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Lemon Consult AG scores 56.7 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.54.224%
  • 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.100.08%
Lemon Consult AG scores 93.9 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.82.07%
Lemon Consult 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%
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 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 3.0 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
3
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle32
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Lemon Consult AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Lemon Consult AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Lemon Consult AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Lemon Consult AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Sumatrastrasse 10
8006 Zurich
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:00
Tue
08:00 - 12:00, 13:30 - 17:00
Wed
08:00 - 12:00, 13:30 - 17:00
Thu
08:00 - 12:00, 13:30 - 17:00
Fri
08:00 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.540.540
Founded
2000 · 26 years
Last commercial register change
January 26, 2026
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.85.03%
    • Full methodology

    Similar companies

    SE
    SET Engineering GmbH
    Horgen
    AI
    Anex Ingenieure AG
    Zurich
    BB
    BB&A Buri Bauphysik & Akustik AG
    Volketswil
    AA
    AFC AG
    Zurich
    EA
    Enerpeak AG
    Dübendorf
    EE
    EK Energiekonzepte AG
    Zurich
    WA
    Wichser Akustik + Bauphysik AG
    Zurich
    HP
    Herrmann Partner AG
    Andelfingen