The city has four sectors: Corporate Group Administration, Education and Cultural Services, Social and Health Services, and Environment and Technical Services. These are ruled by city council, city board, committees and boards. You can read more on the page Decision-making.
Some units are public utilities. There are also separate balance units: Suurpelto, Tapiola and the funds.
Together with affiliated companies, foundations, joint municipal authorities and associated corporations the city proper forms a corporate group.