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
DirectoryFinance & InsuranceHolding CompaniesZurichDiethelm Keller Group AG
Diethelm Keller Group AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Diethelm Keller Group AG is a family-owned holding and active long-term investor that manages operating units across premium outdoor furniture, household and BBQ brands, industrial cleaning solutions, real estate and strategic investments.

AI-generated
Offering

Products & services

Industry:Holding Companies
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

Diethelm Keller Group AG

✓ Offered8
Holdings in brands and companies
Long-term interests in leading brands and companies, with active development of business segments in consumer goods, industry, gastronomy and other segments.
Real estate management
Management and active operation of the real estate portfolio as an independent asset class, mainly in Switzerland and selected international markets.
Household, kitchen and interior products (Household Brands)
Design, manufacture and marketing of household, kitchen and interior design products under brands such as Zyliss, Cole & Mason, AdHoc, Swissmar and Culinare.
Premium outdoor furniture (Premium Brands)
Design, manufacture and marketing of high-end outdoor furniture under Dedon, Gloster and Garpa; including in-house production and collaboration with designers.
BBQ products and outdoor kitchens
Design, manufacture and marketing of grills, outdoor kitchens and accessories; complemented by Grillfürst as a BBQ dealer and BBQ King with spice blends.
Professional cleaning systems and solutions
B2B cleaning systems and solutions for professional applications, focusing on sustainable, technical and reliable products from Wetrok.
Campervan rental
Rental of campervans for independent travellers via Travellers Autobarn as an interest in the group’s portfolio.
Online marketplace and brand-scaling platform
Platform for scaling consumer brands on online marketplaces through Flummox as an interest in the portfolio.
Trust & reputation

ranQ Trust Score of Diethelm Keller Group AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Diethelm Keller Group 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%
Diethelm Keller Group AG scores 74.1 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.64.612%
  • 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%
Diethelm Keller Group AG scores 86.7 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).86.722%
Diethelm Keller Group AG scores 61.9 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 35.77.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.46.74%
Qualifications+0.00

Diethelm Keller Group 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 58%, 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.

Press

Media

February 20, 2024Media
Diethelm Keller Group acquires significant minority stake in Flummox
startupticker.ch
November 6, 2023Media
Schweizer Grill-Europameister wird German
insideparadeplatz.ch
December 2, 2020Media
Das hat Diethelm Keller mit seiner Reisesparte vor
abouttravel.ch
November 27, 2020Media
Globetrotter gehört nicht mehr zur DK Travel Holding
travelnews.ch
August 27, 2020Media
Züri-Milliardäre lassen 1’500 Travel-Leute hängen
insideparadeplatz.ch
July 13, 2020Media
«Ich täusche mich laufend, ich korrigiere mich laufend, ich lerne laufend: Das ist Management by Failure»
nzz.ch
May 31, 2019Media
Vielfältige Interessen der Diethelm Keller Group
nzz.ch

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Diethelm Keller Group AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Mühlebachstrasse 20
8008 Zurich

At a glance

Legal form
Corporation
UID
CHE-145.262.844
Founded
2021 · 5 years
Last commercial register change
June 4, 2026
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.70.03%
    • Full methodology

    Similar companies

    SF
    Swiss Finance & Property Group AG
    Zurich
    MH
    Merbag Holding AG
    Schlieren
    DH
    Düring Holding AG
    Dällikon
    IB
    Implenia Beteiligungen AG
    Glattpark (Opfikon)
    RH
    Robert Heuberger Holding AG
    Winterthur
    PH
    P&H Holding AG
    Glattbrugg
    SS
    SMG Swiss Marketplace Group Holding AG
    Zurich
    TH
    tobco holding ag
    Binz