I meant an electrical chandelier with light bulbs - and as just
an assembler, as you so beautifully pointed out, I need to find
a UK distributer of the lamp holders to be fixed to a chandelier
of my own design.

Do you just mean something like

http://www.tlc-direct.co.uk/Products/TLBLH.html

This won't help with the arms or other bits, though.

Christian.