I've gotten messages on LinkedIn a few times for things like this. One of the biggest companies in this space is GLG (https://glg.it/ https://glg.it/) Usually

I've gotten messages on LinkedIn a few times for things like this. One of the biggest companies in this space is GLG (https://glg.it/ https://glg.it/) Usually the client is like a hedge fund or private equity fund, and they are trying to get info on an industry/sector to make an investment decision.