Indeed, you clearly know how to apply paint effectively in order to achieve absolutely convincing results. That's not easy to learn and even harder to master, so once again hats off to you.
If I had to name one quibble, it's the lack of proper basing. I know that's down to the customer, but I feel only a fully based model sets off a paintjob. Seriously, if your customer agrees, please post pictures of the finalised versions, would love that.