[Dottore]

Tschabet:

No I can't remember the name of the company we used.

You might only find two on the internet - but once you get to Bangkok you will find many small companies with a converted rice barge or two. Your concierge should be able to help you with this.

And yes this is a very cool thing to do. We had one with service - a mother and daughter team that cooked in a small kitchen in the back and served us amazing delicacies all day long as we steamed slowly up the Chao Praya. Unforgettable.