I forget which on this is!
Best bet for the now is to email John Hopwood, who usually deals with the ISE stuff on jhopwood@iseappliances.co.uk with details of what you cover and where.
Please do it by postcodes as it’s the only way that anyone can map it… 10 miles around a town is no use to man nor beast for area mapping. 😉
There are at least two or three companies looking for engineers to do work. Might not be volume but may well be worth it.
K.