A proper colonisation program would need a coordinated effort of all big nations. At the moment that seems very unlikely. Who is supposed to finance this? The USA? Russia, China, Europe? They are all on the brink of bancruptcy, and all try to shoot each other down.
And for a privat company its a too big venture, in my opinion. Its not just about bringing a first group of people there. This needs to be a long term project, with continous regular missions.