The other water link that has been mentioned before may be a sort of high-class escort service. There is at least one brand of water that has more or less zero retail presence or general brand recognition and they have many promotional vids of their product with models that look like professional yacht girls. A good way for intel agencies to entrap rich businessmen, if you ask me.

Then there is Fiji water and plenty of research has been done on that.

G. Maxwell had a charity, the TerraMar Project connected with cleaning up the oceans etc, oh and a sub licence.

Yeah I know it's Wiki but you get to see the logo from TerraMar charity. https://en.wikipedia.org/wiki/The_TerraMar_Project