
Leads kitchen and household brands such as Zyliss, Cole & Mason and AdHoc with global sales companies.

DK Household Brands
Zurich (CH) · Farnborough (UK) · Holly Springs, NC (USA) · Montabaur (DE) · Mannheim (DE) · Richmond Hill, ON (CA) · Shenzhen (CN)New on Amplifa
About DK Household Brands
DK Household Brands is a 100% owned subsidiary of the Swiss Diethelm Keller Group, a fourth-generation family-owned company headquartered in Zurich. The company manages a portfolio of household and kitchen brands, including Zyliss, Cole & Mason, AdHoc, Swissmar, Koenig, Turmix and Culinare. With a presence in more than 50 countries through retailers and distributors, the company pursues a multi-channel sales approach across various distribution channels, from end consumers to business customers. Operational activities are supported by six global hubs; sales companies exist in the USA, Canada, the UK, Germany and Switzerland, while global operations are supported from Shenzhen (China). Several of the brands' products have been awarded design prizes such as the Red Dot Design Award and the German Design Award. In 2024, the six brands were merged into a unified company under the holding DK Household Brands Holding AG.
- Site
- Zurich
- Processes
- Sales via various distribution channels (multi-channel), Food service catalogue/sales (Cole & Mason)
- Certificates
- Design awards (Red Dot, German Design Award and others)
- Industries
- Housewares, Kitchen products, Food Service
- 01
Brand management and product development
- 02
Sales via distribution channels (multi-channel)
- 03
Retail and distributor network in more than 50 countries
Locations

Zurich
CHHeadquarters
Farnborough
UKSales company (DK Household Brands Limited)
Holly Springs, North Carolina
USSales company (DK Household Brands Corp)
Montabaur
DESales company (DK Household Brands GmbH)
Mannheim
DESales company/showroom (DK Household Brands GmbH)
Richmond Hill, ON
CASales company (DK Household Brands Canada Ltd.)
Shenzhen
CNSupport of global operations (DK Household Brands China Limited)
Brands and Products




Inside the production




Industries
Additional services
Quality and Awards
Several brand products have been internationally awarded, including Red Dot Design Awards for Zyliss products, more than 50 design awards for AdHoc as well as awards for Cole & Mason (among others Excellence in Housewares).
| Evidence | Zurich |
|---|---|
| Design awards (Red Dot, German Design Award and others) |
History
- 1860er
Wilhelm Heinrich Diethelm and Edward Anton Keller went to the Far East (Singapore and the Philippines, respectively) – origin of the Diethelm Keller Group
- 1887
Diethelm acquired majority shares in Hooglandt & Co. (Singapore); Keller took over Lutz & Co. (Manila)
- 1919
Founding of Cole & Mason in London, UK (acquired in 2006)
- 1951
Founding of Zyliss by Karl Zysett in Lizz, Switzerland (acquired in 1984)
- 1983
Founding of Swissmar in Toronto, Canada by Daniel Oehy (60% acquired in 2020)
- 1984
Acquisition of Zyliss
- 2006
Diethelm Keller Group bundled household brands (Zyliss, Koenig, Turmix) under DKB Household Ltd; acquisition of Cole & Mason and Culinare
- 2019
Majority stake in AdHoc Entwicklung und Vertrieb (Mannheim) and acquisition of Brandlands GmbH (today DK Household Brands GmbH)
- 2020
Investment in Swissmar (Canada/USA)
- 2021
Stake in AdHoc increased to 100%
- 2024
Merger into a unified DK Household Brands under DK Household Brands Holding AG