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 · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesAir conditioningAlpnach DorfLangensand AG
Langensand AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Langensand AG is a family-owned building services company. It advises on, plans and carries out plumbing, heating and ventilation installations, including bathrooms and heating systems for new-build and renovation projects, and provides advice on renewable heating.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Air conditioning
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

Langensand AG

Heating installer
Plumber
✓ Offered5
Plumbing
Bathroom design, sanitary facilities and installations for new builds and conversions; planning and execution around the bathroom.
Heating
Consulting, planning and installation of heating systems for new builds and conversion projects; with a focus on energy-efficient and environmentally friendly solutions.
Ventilation
Consulting, planning and execution of ventilation systems for new builds and conversion projects.
Impulse consultation for renewable heating
Free on-site consultation on replacing heating systems and on ways to heat buildings with renewable energy sources.
Building services installations
Building services installations for everyday work and demanding projects in Central Switzerland; energy-efficient and up-to-date installations.
Trust & reputation

ranQ Trust Score of Langensand AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

Langensand AG scores 71.3 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.79.424%
  • 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.52.910%
  • 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.70.08%
Langensand 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%
Langensand AG scores 88.3 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).88.322%
Langensand AG scores 11.3 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 35.12.64%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Langensand 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 7 customer reviews. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 12, 2016Media
ALPNACH: Söhne in den Betrieb eingespannt
obwaldnerzeitung.ch

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Langensand AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Schulhausstrasse 9
6055 Alpnach Dorf

At a glance

Legal form
Corporation
UID
CHE-105.740.234
Founded
1967 · 59 years
Last commercial register change
May 4, 2021
Employees
11 to 20

Active in 6 of 26 cantons

  • Central Switzerland
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

    PA
    Pilatus-Therm AG
    Alpnach Dorf
    BL
    Birrer Lüftungsreinigung GmbH
    Alpnach Dorf
    BB
    Burch Bauaustrocknung AG
    Alpnach Dorf
    HA
    Heipro Alex Gasser GmbH
    Lungern
    RH
    Reinhard Haustechnik AG
    Sarnen
    RA
    Relesa AG
    Allschwil
    HZ
    Hans Zehnder AG
    Maienfeld
    HF
    Haustech Fondos Rodriguez
    Dietikon