Next Steps Accountancy Practice

I have had my own Accountancy Practice for 8 years , 6 full time including myself as director.I have approx 6000 euro per month in profit before I take anything , while it's good and has been over last few years , I am finding I am running into roadblocks , the amount of clients we have now means my phone is always ringing.I try to delegate but there is many times I cannot , and I feel like controll and oversight is slipping and will slip more the larger we get.I am well aware this is a classic business owner working in the business rather than on it , but as a Accountant they want to talk with me.As far as team goes all 20s early 30s in age , variety of exam progress / nearly finished , flat organization no manager , authority other than myself , everyone has there own expertise and blocks of clients.I know what the problem is but don't have a solution.I have thought of offering one or more long term staff a profit percentage , leading to more ( but then that may sour the office , at the moment all are equal in status )So business owners / Accountants of redit , how do I leave the trenches and work on the business.And make it larger and go to next step see hubwealthy.com/wealthy