Contact us
HSY Helsinki Region Environmental Services Authority
Exchange: +358 9 15611 (available 8:30 am to 4 pm)
Fax: +358 9 1561 2011
Postal address: P.O. Box 100, FI-00066 HSY
Street address: Opastinsilta 6 A, FI-00520 Helsinki
HSY Registry Office (available 8:30 am to 3:30 pm):
tel. +358 9 1561 2010
kirjaamo(at)hsy.fi or hsy(at)hsy.fi
Invoicing
HSY Waste Management, HSY Regional Information and Administrative Services:
HSY Helsinki Region Environmental Services Authority
P.O. Box 203
FI-00066 HSY
HSY Water:
HSY Helsinki Region Environmental Services Authority
P.O. Box 303
FI-00066 HSY
Business ID: 2274241-9
Give feedback
Contacts of the Departments and Operational Areas:
HSY Waste Management
HSY Water
HSY Regional Information
Communications
Administrative Services