Choosing a contractor is the single most important decision in a renovation. The cheapest bid is rarely the best — quality, reliability and communication decide the outcome.
Check the business ID first, and that the company is registered in the Finnish Tax Administration's prepayment register. This is a minimum requirement, not a competitive edge.
Ask for references and look at past work. A good contractor is happy to show finished projects and put you in touch with previous clients.
Always get the contract in writing. A verbal handshake deal is grey territory where surprises end up on the customer's tab.
Verified contractors on Fronterak have already been checked on these points — saving you hours of background work and helping you find a trustworthy professional faster.