I've done my runup while still on the FBO's ramp, only because it was a huge ramp and I would not be in anyone's way.

Engine start
Get ATIS/Clearance and program GPS while engine warms
Taxi to "secluded" point on FBO ramp and point tail appropriately (blast fence w/no aircraft parked behind me
Runup
Taxi to edge of FBO ramp and contact ground.

Any thoughts on this procedure?

Thanks
Former Mooney driver.