German company Vaillant, which has been operating on the Polish market for 30 years, is opening its second office in our country. Expanding its IT and Data, Business Intelligence & Analytics departments, the Vaillant Group has leased 900 sqm of space in Katowice's .KTW I office building. Ultimately, the company is to move to the .KTW II building where it will occupy 1,400 sqm of office space.