Contact us


One4all Finland Oy

Valimotie 17–19
00380 Helsinki

+358 (0)207 229 380
[email protected]

Business ID 2437819-8

Personnel contact details

Technical support & customer service

Our technical support team helps our administrative customers with all questions related to our management system Mon–Fri 9–16 (GMT +3):

+358 (0)207 229 381
[email protected]

Residents can find answers to FAQs on the user manual site.
Resident support requests should be directed to the housing provider’s support.
Resident login address is


Our sales is happy to help you with any inquiries related to sales and services:

Henry Hietavala 0400 888 218 / [email protected]


Invoice address:

One4all Finland Oy
Valimotie 17–19
00380 Helsinki

[email protected]

Online billing address 003724378198

Operator Maventa Oy
Operatorcode 003721291126

Reliable Partner

Do you want to hear more about our products and services?

Please contact us via the form and our sales team will contact you as soon as possible.

Please note – All technical support requests should be sent directly to [email protected] for immediate attention.

Our personnel's contact details are available on the personnel page.

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Do you have some questions or can I offer you some more information?

Give me a call or send me an email – I would love to hear how we can be of assistance to you.

Henry Hietavala, sales