I wanna move out of my firm due to less growth prospects. I want to break into consulting, front end. What kind of Consultant roles I'm expecting in the Profit

I wanna move out of my firm due to less growth prospects. I want to break into consulting, front end. What kind of Consultant roles I'm expecting in the Profit Centers of Big4 in the marketing sales domain?

Must have skills to move from Cost Centers to the Profit Centers of Big4