Knock Knock Oy
ActiveFinland · registry no. 3355194-1 · HELSINKI
Knock Knock Oy is an active limited company registered in Finland (registry number 3355194-1), based in HELSINKI, operating in other postal and courier activities, registered on 4 April 2023.
At a glance
- Status
- Activeregistry value: ACTIVE
- Company type
- Limited companycode 16
- Industry
- Other postal and courier activitiesactivity code 53200
- Registered address
- Haapaniemenkatu 7-9, 00530 HELSINKI, Finland
- Registered since
- 4 April 2023
Website & contact
- Website
- www.knockknock.fias filed with the registry
- Checked
- 1 September 2026
Only details the company itself publishes are shown — never personal addresses. Salespeople get the full researched record in the workbench.
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Where this information comes from
Every fact above was read from PRH/YTJ open data (Finland), an official register, and last checked on 1 Sept 2026, 13:43 UTC. The data is reused under the licence “CC BY 4.0”. Nothing on this page is estimated: where the register has no value, we say so.
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