Posti Group Corporation is wholly owned by the Finnish State. The ownership policy of Posti and other state-owned companies is managed by the Ownership Steering Department of the Prime Minister's Office, which is responsible for the preparation and execution of the ownership strategy and the development of sound corporate governance.

Posti Group Corporation is classified as a company with market-based operations in which the owner has a strategic interest. The owner's objective is to ensure the best financial performance possible at any given time. Profitability and long-term growth in shareholder value are the key indicators of success in this respect.