Baby steps. I'm not going to recommend the complete nullification of corporations in the present. Perhaps as a long-term goal to aim towards -- but with the right planning and support. No sense in being a revolutionary.

Perhaps start off with removing the corporate veil. Officers of corporations (or any incorporated entity) are now personally liable for what goes on. This could pave the way for trimming down extra-national entities like multinational corps (the risk is immense for there to be bodies buried in various dark corners of huge corporations -- only the insane would take on these positions).

If you want to know if I'm a card-carrying communist or not, feel free to read this: https://news.ycombinator.com/item?id=36132733

It's couched in mild language, because of the venue we're in.