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Administer Oyj is a Finnish accounting firm and a pioneer in digital financial management. The company was founded in 1985 and today is one of Finland’s biggest players in the field. Administer employs some 600 financial management professionals and serves about 4500 customers representing companies big and small – from listed companies to entrepreneurs. In addition to Finland, Administer also operates in Sweden and Estonia.

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020 703 2000


Konepajankuja 3, 00510 HELSINKI


020 703 2010
Open Monday to Friday from 9 a.m. to 4 p.m.
Service requests online:

Invoicing addresses:

Administer Oyj

E-invoices: 003705930274
Operator: BasWare, BAWCFI22
Paper invoices:
Administer Oyj, 00064 ADMINISTER

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