The minimum labour charge is fine for a one off job of say adjusting/setting the rear gears where the hanger would be set for alignment,gear limits set and cable tension set. Any more than one job, e.g. adjust gears and tighten headset, then the regular service is recommended as this sets and adjusts all the parts on the bike and covers the labour of fitting any new parts.
The Major Service is great to strip out bearings, replace as necessary, clean re-grease and install. This service is also good for creak finding.
All our listed service packages exclude extras like brake bleeding, fork servicing and shock servicing as not all bikes have these.