Elsewhere, The Foxhunter, a Grade II-listed, stone-clad hotel set on the edge of the Brecon Beacons National Park, offers tailored foraging courses depending on the season, and Monmouthshire farm Humble By Nature offers summer classes where you can learn how to tap and drink from beech trees and make puddings, preserves and syrups from the leaves and buds picked from rowan and bramble bushes.

BBC: The wild taste of Wales

It proved much tougher to make money putting together multiple-choice assessments specifically tailored to a locality's curriculum, as opposed to staging one-size-fits-all prep courses.

FORBES: Magazine Article