Found it. I could not remember the name before.
I had a brush custom made for a pile lifter a few years ago. It cost £ 120.00 + vat but has lasted nine years so far! The previous ones lasted less than twelve months
If he is still there, the person to speak to is called Horace. A fascinating guy who will build you any brush up to nine feet wide! I warn you though, if you get him talking about brushes, you'll be there a long time.
http://www.industrialbrushware.co.uk/ in Halesowen, Birmingham.