I am no lawyer, but setting up a legal entity with a lawyer protects you personally and helps taxes.  I think that is what UK Futures are referring to registration; registering yourself in your country properly.

UK Digital Futures is the first LTD to publicly invest in TRUST.  Having public investors with published intentions will help strengthen the coin.  We always need more entities to move towards decentralization.  If you are interested or would like to know more, please find us on Twitter.