Home » Tilipalvelu Calcurium Procountor Onni success story: Tilipalvelu Calcurium “Had I not signed up to Project Onni I would not have been able to persuade my customers to switch to electronic financial management so soon. I can wholeheartedly recommend Procountor Onni to anyone transitioning to use Procountor.” Tarja Frimodig Tilipalvelu Calcurium Procountor Onni – switch successfully to Procountor At Accountor Finago, over the years we have carried out hundreds of software switchovers for our customers. To transition for example from Tikon to Procountor solutions is straightforward with us. Procountor Onni is suitable for all accounting firms, regardless of their size. Please get in touch to find out more. Read more about Procountor Onni