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Contact information and feedback

The head office of Helsinki City Construction Services, Stara, is located at Ilmalankuja 2 L in Ilmala, Helsinki. We have several offices around Helsinki.

P.O. Box 1660
00099 City of Helsinki

City of Helsinki switchboard: +358 (0)9 310 17000
City of Helsinki telephone directory
Email address format firstname.lastname(at)

Questions and feedback about Stara and its work

You can send questions and feedback about our work through the City’s feedback system, where feedback is processed and directed to the right people and responses are monitored. Through the system, messages that do not belong to Stara are also forwarded within the City.

Give feedback  

Management and communications

Our email address format is firstname.lastname(at)

Chief Executive Officer Timo Martiskainen
Tel. +358 (0)40 049 7584

Head of Communications Päivi Seikkula
Tel. +358 (0)50 428 0516

Media service, Communications Specialist Marja Valjus (1.8. - 14.8.2022 Janne Saavalainen)
Tel. +358 (0)40 658 9268 

Communications Specialist Janne Saavalainen
Tel. +358 (0)40 139 3130

Find out about Stara’s communications channels and publications in Finnish >>

City Engineering, Construction
Unit Director Hannu Halkola
Tel. +358 (0)50 042 7730

City Engineering, Maintenance
Unit Director Ville Alatyppö
Tel. +358 (0)40 334 5430

Construction Engineering
Unit Director Kari Haapaniemi
Tel. +358 (0)50 380 1022

Environmental Management
Unit Director Antti Rautiainen
Tel. +358 (0)40 334 8523 

Unit Director Sami Aherva
Tel. +358 (0)50 559 1929

Unit Director Ilpo Laitinen
Tel. +358 (0)40 154 9690

Invoices addressed to Stara

Invoices can be sent to Stara as e-invoices or by email or post. The invoice’s attachments must always be sent with the invoice.

Intermediator code: BAWCFI22

Units’ EDI codes
0037020125667618 Administration and Environmental Management
0037020125667623 Construction Engineering
0037020125667625 Logistics
0037020125667658 City Engineering, Maintenance
0037020125667659 City Engineering, Construction

You can also send e-invoices to Stara free of charge via Basware’s Supplier Portal »

Invoice by email
Enter the number sequence 9000 at the start of the email subject field. This identifies the invoice as belonging to Stara.

Invoice by post
City of Helsinki, Stara
Ostolaskut / name of unit
P.O. Box 1675
00099 City of Helsinki

Calls for bids

Stara arranges the sale of equipment removed from the City of Helsinki’s use. The auction documents are published twice a year, in the spring and autumn. In addition to this, we may publish supplementary material to open calls for bids published on the HILMA public procurement portal.
Calls for bids (only in Finnish)

Accessibility statement

This accessibility statement applies to the website of Helsinki City Construction Services, Stara. The City of Helsinki’s instructions and methods have been applied in the assessment of accessibility.
Accessibility statement (only in Finnish)