At Country Landscapes Ltd, we've used Millhouse Training since 2011 for training our staff to recognised City & Guilds NPTC & LANTRA levels.
Their GROUND BASED CHAINSAW USE course (CS30, 31) provides great competence training for gardeners (or anyone) wanting to learning the basic necessities of safe use and maintenance of chainsaws, protective clothing, timber cutting, and how to safely fell small trees.
Can't recommend enough for any gardener (professional or not) who has a chainsaw and ...