He's hardly the best kept secret in Hong Kong. Ask any Taipan, Legco member or senior executive at the Hong Kong and Shanghai Bank where he gets his suits made and chances are better than 50/50 that it came from Sam's - everybody knows Sam's.
But there is a secret in the fact that few women in Hong Kong, even those whose husbands are loyal Sam's customers, realise that he can do their clothes as well. Why should men have the most famous tailor in town all to themselves? Sam is dying to do something a little more creative than a three-piece worsted wool number.
But who is he? And how did he garner such a reputation from such a tiny store? In a city where bespoke tailors dot local shopping arcades with almost dizzy frequency, it seems extraordinary that one man with one shop could hold such a monopoly on tailor-made suits.
It is even more puzzling when you go through his door for the first time. A buzzing neon sign assures you this is indeed Sam's Tailor Shop. But there is nothing to suggest the kind of clientele that patronises his humble establishment.
No long oak counters, no deep upholstered chairs or snooty assistants to take your coat. No, Sam's is a no-frills kind of place, unless you count the complimentary soda you are always offered on arrival.
The only discernible difference between Sam's and the men's tailor shop next door are the photographs of his customers. Everyone from David Bowie to the Prince of Wales is up there.
Famous ladies of our time also grace the walls - Fergie, Princess Diana and even Joan Collins have patronised Sam's. Rumour has it that Elizabeth herself (and I don't mean Hurley) has had a little something run up at Sam's. But don't ask him to give up any gossip about Donald Trump's latest deal or Governor Patten's next moves.