StoraEnso 10B Euro company with more than 700 years history is running intensive transformation from traditional paper producer into leader of renewable material producer with high focus on sustainable strategy. Currently StoraEnso most of the profit is coming from products which has not been existing 10 years ago. As one of the Nordic Digitization leader in it’s industry StoraEnso IT is under high pressure of new demands, continuous improvement, pressure on stability of IT Services. Under these conditions StoraEnso IT has decided to implement Service Integration Office to adopt SIAM model and standardize ITSM processes for more than 190 IT Services. During the presentation I will inform you about our SIO journey, challenges we are facing on the road but as well on success stories during the journey.