TriGranit company, the investor of Bonarka 4 Business office park, is successively implementing next phases of the complex. Investor's decision is is due to the fact that Bonarka 4 Business building C currently under construction has been already almost fully leased. The office building will be completed in December. Therefore TriGranit has just started the implementation of the fourth office building within the complex - Bonarka 4 Business D, which will offer approx. 8700 sqm of modern office space for rent. The completion is scheduled for the third quarter of 2013.