Sensual Massages, sometimes referred to as FBSM (full body sensual massage) is a seperate market to escorting.
I regularly have FBSM's and there is another discussion forum similar to this which has discussions and reviews. Google is your friend.
Similar to AW, you filter out the crap and hopefully end up with a decent massage with relief at the end.
The problem is the market is flooded with hopefuls, those who can get a similar wage or very often more than they would get by escorting. For a couple of quid, any prossie can buy a bottle of baby oil or some lotion and call herself a masseuse and you end up getting screwed, without getting screwed.
Its never a good idea to expect a WG to offer a decent massage, either they have clocked on that they can make more money for less work, or they are tapping into both markets by being 'masseuses' and 'escorts' with different names or photos.
If you are moving onto massages, head over to FBSM and you will find several hundred providers reviewed for the quality of their massages and any extras available - usually hand relief, body to body massages and sometimes more.
I've made the reserve switch to you, from FBSM to the full works. Its a different experience and I can only lie on my back for 5 minutes now before I hear the words 'change position'