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
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberMurgenthalLemp Haustechnik AG
Lemp Haustechnik AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company Lemp offers various services and products in the field of sanitary, heating and roofing technology. The core activities include: Sanitary: installation, maintenance and repair of sanitary systems; Heating: installation, maintenance and repair of heating systems; Chimney systems: installation, maintenance and repair of chimney systems; Sheet metal work: manufacture and installation of sheet metal work such as gutters, downspouts and other metalwork; Flat roofs: installation and maintenance of flat roofs; PREFA roofing: installation of roofs with PREFA products; Green roofs: installation and maintenance of green roofs; Metal facades: manufacture and installation of metal facades; Lightning protection systems: installation and maintenance of lightning protection systems; Emergency service: 24-hour emergency service for sanitary, heating and other emergencies. The company also offers apprenticeships for trainees.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Plumber
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
4.1/5

Lemp Haustechnik AG

Roofer
Sheet metal worker
✓ Offered10
Sanitary installations
Sanitary installations in new builds, conversions, renovations, industrial buildings and commercial kitchens; cold and hot water lines, waste water and roof drainage lines, installation of appliances and fittings, water treatment and descaling.
Heating installations
Heating planning and installations for single-family homes and production buildings; alternative energy systems, ground heat probes, heat pumps, wood pellets, solar technologies, gas and oil heating systems, as well as refurbishment, repair and maintenance.
Sheet metal works
Sheet metal work with sheet-metal and metal processing; roof drainage, gutters, downpipes, connections, cladding for roof windows, dormers and chimneys, as well as metal roof and facade cladding.
Flat roofing
Flat roofs for new construction, residential construction and industrial buildings; bitumen, polymer-bitumen, plastic and synthetic rubber roofing systems, as well as solutions with green roofs and rainwater retention.
PREFA roofing
PREFA aluminium roofs for refurbishment and new construction; including roof, gutters and discharge pipes, with a focus on a lightweight, rust-free and low-maintenance design.
Roof greening
Roof greening systems with extensive and intensive layers; protection of the roof waterproofing, improvement of indoor climate, water retention and ecological balance.
Metal facades
Ventilated metal facades for new builds and refurbishment; facade cladding with thermal insulation, weather protection and design solutions for different building projects.
Lightning protection systems
Lightning protection systems to protect buildings from the consequences of a lightning strike; consulting, implementation and installation for more safety.
Chimney systems
Chimney and flue gas systems for new construction, refurbishment, renovation and modernisation; individually prepared, manufactured and professionally installed.
Emergency service
Emergency service 7x24h for storm damage, water in the basement, heating failures, no hot water and blocked drains; on-call service with rapid intervention.
Trust & reputation

ranQ Trust Score of Lemp Haustechnik AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Lemp Haustechnik 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%
Lemp Haustechnik AG scores 85.5 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.55.07%
Lemp Haustechnik 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%
Lemp Haustechnik AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lemp Haustechnik AG reaches a ranQ Trust Score of 4.1 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Lemp Haustechnik AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Brückenstrasse 15
4853 Murgenthal

At a glance

Legal form
Corporation
UID
CHE-106.055.253
Founded
1996 · 30 years
Last commercial register change
December 5, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGMurgenthal
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

    Similar companies

    PH
    Pfister Haustechnik AG
    Oftringen
    SH
    Samuel Hasler Haustechnik GmbH
    Hellikon
    WA
    Wülser AG
    Zofingen
    RW
    R. Widmer AG Lenzburg
    Lenzburg
    KH
    KULL Haustechnik, Spenglerei, Sanitär, Heizung
    Wildegg
    GH
    Gehrig, Haustechnik
    Aarburg
    HW
    H. Walti Untersiggenthal GmbH
    Untersiggenthal
    WH
    Wittwer Haustechnik AG
    Turgi