Every agency founder starts as the engine: the seller, the doer, the one everyone depends on. But the skills that get an agency from zero to £1m and a dozen people are exactly the skills that stop it going further. This week Callum asks Gareth about his own experience of running an agency and why agency founders find it so hard to let go. They unpack four intertwined barriers, from simple resourcing to something far more personal, that keep founders stuck being indispensable. If you've ever wondered if you're the reason your agency can't grow, this one's for you.