![CSI Contact us](http://www.csihelsinki.fi/wp-content/uploads/2022/01/news-1024x253-1.jpg)
Contact us
Our office is located in Helsinki from where we serve you also in Sweden and in the Baltic countries.
Leave a contact request
Customer support
Contact us at:
help(a)csihelsinki.fi
Tel. +358 10 322 7880
Monday-Friday 9:00-16:00 (GMT+2)
NOTE! Our customer support has the following exceptions in the service hours:
-Tuesday the 23rd of December – open 9-12 (GMT+2)
-Friday the 27th of December – closed
-New Year’s Eve, the 31st of December – open 9-14 (GMT+2)
Sales
or
![](https://www.csihelsinki.fi/wp-content/uploads/2022/01/20211216_CSIhelsinki_Mikko_0787-2500px-819x1024.jpg)
Mikko Hämäläinen
Sales Director
Visiting address
Vilhonvuorenkatu 11 C, 5th floor, 00500 Helsinki, Finland
Business Id
1826556-8
Invoicing Address by e-Mail
Send your invoice in a PDF format as e-mail attachment (PDF version 1.3 or newer, max 5MB/file). Please include possible attachments in the invoice file.