Independent Brand Intelligence
Commercial & Industrial CleaningWetrok
Wetrok professional cleaning systems, Swiss operations and buyer checks
First published August 8, 2026 · Last verified August 8, 2026
A source-backed profile of Wetrok AG, its Diethelm Keller Group ownership, Swiss professional-cleaning portfolio, international channel model and procurement checks.
World Clean Biz is an independent industry publication and is not affiliated with Wetrok or Diethelm Keller Group. Group and company statements do not establish the manufacturer, origin, importer, seller or warranty provider for every Wetrok SKU in every market.
| Fact | Details |
|---|---|
| Legal entity scope | Wetrok AG |
| Ownership type | Part of Diethelm Keller Group |
| Headquarters | Kloten, Zurich, Switzerland |
| Founded | 1948; part of Diethelm Keller Group since 1955 |
| Official website | https://wetrok.com/ch_en/company |
| Last verified | August 8, 2026 |
Company & Ownership
Diethelm Keller Group's official industrial-unit page says Wetrok has been part of the group since 1955. The group describes itself as family-owned and identifies Wetrok as its Swiss B2B professional-cleaning operation. Wetrok AG remains the named Swiss operating company; the reviewed sources do not disclose an intermediate legal holding chain above Wetrok AG.
Parent company: Diethelm Keller Group
Leadership
| Person | Role | Evidence note |
|---|---|---|
| Benjamin Merz | Managing Director | Diethelm Keller Group's official industrial-unit page identifies Benjamin Merz as Wetrok's Managing Director. |
Product Portfolio
| Category | Positioning | Buyer relevance |
|---|---|---|
| Professional cleaning machines | Scrubber-driers, sweepers, single-disc machines, wet and dry vacuums and cleaning robots cover mechanized professional floorcare. | Match working width, tank, battery, floor, filtration, safety and realistic productivity to the site and exact model. |
| Cleaning and disinfection chemicals | Cleaning, care, protection and disinfection products support Wetrok's integrated systems approach. | Verify formulation, intended surface, dilution, safety data, ecolabel scope, local registration and machine compatibility. |
| Tools, carts and consumables | Manual tools, transport systems, hygiene supplies and consumables extend the portfolio beyond machines. | Confirm replacement availability, compatibility, material durability and local replenishment terms. |
| Methods, training and digital systems | Cleaning concepts, application training and digital support connect products to standardized professional workflows. | Define training language, reporting access, implementation responsibilities and measurable process outcomes. |
Manufacturing & Channels
Manufacturing & Supply Chain
| Evidence | Scope | Buyer check |
|---|---|---|
| Diethelm Keller Group states that Wetrok's research, development and production are based in Switzerland. | Group statement about Wetrok's operating model; it does not prove Swiss origin for every finished SKU or component | Request the exact product's manufacturer, production site, serial plate, country of origin and applicable declaration. |
| Wetrok says its own engineering department, chemistry laboratory and internal teams develop and test machines and cleaning agents in company laboratories and production facilities. | Company-level engineering, laboratory and production capabilities | Ask which design, formulation, assembly and testing steps apply to the quoted product and which components are externally sourced. |
| Wetrok's product catalogue separates machines, chemicals, tools and consumables into different product systems. | Portfolio taxonomy, not evidence of one common manufacturing route | Do not generalize the origin or supplier chain of one category to another; verify each contracted line. |
Markets & Channels
| Evidence | Scope | Buyer check |
|---|---|---|
| Wetrok says subsidiaries serve customers in Germany, Poland, Sweden and Austria, while authorized dealers cover about 40 additional countries. | Company-published international channel structure | Confirm the authorized local entity, dealer territory, importer, contracting seller and warranty provider. |
| Wetrok's Swiss sales and service terms identify Wetrok AG as the contracting party for named professional-customer transactions and service agreements. | Switzerland and the stated terms; not a global contracting rule | Obtain the destination market's current sales, warranty and service terms from the named legal entity. |
| Wetrok combines product sales with advice, training, machine service and spare-parts routes. | Published support framework; local delivery capability can vary | Record technician coverage, parts stock, response time, training scope and escalation contacts in the contract. |
Competitive Position
World Clean Biz assessment: Wetrok competes through a long-established Swiss professional-cleaning system that combines machines, chemistry, methods and training. Buyers should test whether that integrated proposition is backed by exact-model evidence and locally enforceable service capacity.
Company Developments
Verified Timeline
Wetrok integrates Minatol
Wetrok's official history says the traditional Swiss Minatol brand was acquired and integrated in 2008.
Sources: [1]
Wetrok joins Diethelm Keller Group
Wetrok and Diethelm Keller Group both identify 1955 as the start of the group relationship.
Wetrok begins with a single-disc machine
The official company history traces Wetrok to a 1948 technology business and its first single-disc cleaning machine.
Sources: [1]
Research Record
Sources
- About Wetrok — Wetrok · Accessed Aug 8, 2026
- Imprint — Wetrok · Accessed Aug 8, 2026
- Innovation at Wetrok — Wetrok · Accessed Aug 8, 2026
- General Terms and Conditions for Product Sales — Wetrok · Published May 16, 2025 · Accessed Aug 8, 2026
- Industrial: Wetrok — Diethelm Keller Group · Accessed Aug 8, 2026
First published: Aug 8, 2026
Last verified: Aug 8, 2026
Last material modification: Aug 8, 2026