Who needs one?

You may already be familiar with an access platforms/cherry picker and hire them for your trade.

If not here's a list of trades and jobs that can benefit from their use:-

Arborists	Roofers	Gardeners	Television companies
Councils (street lights)	Christmas lights	Signage	Architects
Painters	Builders (Pointing)	Chimney work	Councils
Airports	Universities	Utilities	Glaziers
	Gutter cleaning	Utility managers