It seems to all be debt financed, i.e. just a private equity model slightly specialized for tech. The "innovation" is that Bending Spoons has an in-house engineering team it seems they try to keep constant yet scale out to all the acquisitions. I hadn't looked into them much before, but https://www.colinkeeley.com/blog/bending-spoons-operating-ma... is an interesting report -- though not focused on the finance side.