It sort of depends on the salary you' ll be offered to do this particular job.  If the salary is a motivator as proposed - in other words, if it' s high enough - I wouldn' t expect to get an extra piece of the pie.  On the other hand, you might be able to negotiate a small percentage of the net profit earned by the acquired company during the the first year or so.  But I wouldn' t expect more than a one-time fee for helping bring about the acquisition, joint venture, or whatever.  You job is going to be helping others decide whether or not to invest somebody' s money in another company, so it' s not quite like taking the risk yourself.  So, depending on what' s proposed, you might be able to negotiate a one-time fee based on the net profit, not gross sales, of the company you help acquire, partner with, or that becomes a joint venture.  In other words, whether or not you earn a 2% or 3% "fee" for helping make the deal happen will depend on the bottom-line success of the new company.  Make sense?