Yep, they are actually breaking the law as their website is required to carry details of their registered office under The Companies (Trading Disclosures) Regulations 2008, possibly also covered under other regulations, there is no mention of their VAT number either. I would also be wary of dealing with them on the basis of the publicised telephone number being a mobile. There are many other clues that cue me into it being probably a man in a van outfit, probably with limited stock and undefined delivery and lead times... I may well be wrong, but that's the feel I get.
Ive just looked at there fb page and i think man and van seems about right which is a shame as i was looking for a uk supplier of toptul as the Americans seem to rave about it
Not even an indication of the area they cover