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 · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationRomanshornCalonder AG
Calonder AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Calonder AG provides electrical installation and service work, including a 24‑hour emergency service, installations for renovations and new builds, sales and repair of household appliances, and telecommunications, building automation and photovoltaic/renewable energy solutions. The company performs on‑site installations and repairs for private, commercial and industrial clients.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
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

Calonder AG

✓ Offered6
Electrical installations
Electrical installations for new builds, conversions and extensions, small installations and repairs; planning, assembly and proper execution for residential, commercial and industrial buildings.
24-hour service
24-hour service for urgent repairs, small installations and on-call support; calls are answered personally around the clock with service vehicles on site.
Household appliances
Advice, delivery and installation of household appliances and small appliances; including washing machines, tumble dryers, kitchen appliances, vacuum cleaners and steam irons.
Telecommunications and IT
Telephone systems, ADSL/Internet, private branch exchanges, networks, peripheral devices and IPTV; installation of copper and fibre connections plus active components.
Building automation
Building automation with Loxone as a complete solution for home and building automation.
Photovoltaics and renewable energy
Photovoltaics, solar power, charging infrastructure, battery storage and energy management; support for solar installations together with a roofing contractor.
Trust & reputation

ranQ Trust Score of Calonder AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Calonder 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%
Calonder AG scores 90.9 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.70.07%
Calonder 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%
Calonder AG scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Calonder 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 October 2026.

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

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Calonder AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Konsumhof 5
8590 Romanshorn

At a glance

Legal form
Corporation
UID
CHE-102.657.884
Founded
1990 · 36 years
Last commercial register change
December 4, 2023
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.85.03%
    • Full methodology

    Similar companies

    KG
    Küwatech GmbH Diethelm + Brunner electric
    Romanshorn
    ER
    Elektro Rüthemann AG
    Uttwil
    SE
    Sieber Elektro
    Buhwil
    I&
    Ilg & Köstli AG
    Hörhausen
    MS
    M. Schlatter AG
    Uesslingen
    HS
    H. Stutz Elektro, Inhaber P. Hänsler
    Steckborn
    PA
    Pezag AG
    Bischofszell
    SE
    Strasser Elektro AG
    Eschenz