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Contact with DUWO

Would you like to contact DUWO? We have other contact options for customers and business relations.

Offices and opening hours

DUWO is closed in 2023 on

Friday 7 April - Good Friday
Monday 10 April - Easter Monday
Thursday 27 April - Kingsday
Thurday 18 May - Ascension Day
Friday 19 May - Friday after Ascension Day
Monday 29 May - Whit Monday
Tuesday 3 October - Siege of Leiden (only the office in Leiden is closed)
Monday 5 December - DUWO closes at 4 pm
Monday 25 December - Christmas day
Tuesday 26 December - Boxing day

VAT number

Our VAT number is NL 8042.62.688.B.01.