You can access Don Muang/VTBD VFR and daylight but its back to full ops soon. Was through there 10 days ago. MJets are the mandated handlers. Sadly their facilities were under water for a while and much needs to be repaired/replaced but access to the City for the Boss is best and no grief on the ground.
Handling is
[email protected]
Tel: +66854856623
Steer away from VTBS.