กิจกรรมบริการเพื่อการบริหารสำนักงานแบบเบ็ดเสร็จ

This class includes:
- provision of a combination of day-to-day office administrative services, such as reception, financial planning, billing and record keeping, personnel and physical distribution (mail services) and logistics for others on a contract o

This class excludes:
- provision of operating staff to carry out the complete operations of a business, see class according to the business/activity performed
- provision of only one particular aspect of these activities, see class according to that parti