If the trip has been purchased from another EU country, check before purchase that the company is registered and has arranged travel insurance in that country. The contact details for the authorities can be requested from the travel agency.
If there are problems with the travel agency after the trip has been purchased, the consumer can contact
If the trip has been purchased in other than EU country, the consumer can contact the Finnish Embassy or the Finnish Consulate in the said country, for instance for contact details required to settle the matter.