Delegation & Hiring for a Maintenance-Heavy Landscaping Company Trying to Scale

I’ve been looking into accountability charts and delegation after listening to the Jobber podcast where they talked about this, but I’m not sure where to begin. Right now I’m still heavily involved in day-to-day residential maintenance landscaping operations—quoting, scheduling, managing crews, and even some marketing—which makes it hard to step back and focus on growing into larger/higher earning project work beyond maintenance. For those who’ve gone through this at a similar stage, what responsibilities did you delegate first—and to whom? Also, what was your first key hire that really helped free up your time to focus on growth? Any practical guidance would be great.