Legal, non-anonymous and socially respectable escort services used to exist, you know. It existed in south india as a practice for hundreds of years before the british came.
Devadasi as an institution was shattered first by Islamic invaders - who even record this in their journals. In-fact most Islamic historians explicitly declaim this as liberation of women in India and how Islamic conquest uplifted backward society in that era.
You can also look up Bangalore Nagarathnamma, Veena Dhanammal, Mylapore Gowri ammal, Coimbatore Thayi, Balasaraswathi, Muddupalani. Some of them have books written on them.
If you'd like more sources, plz let me know -- I'll send some book titles your way.
You can still hire no-sex escorts to accompany you to an event - such as a work event, or anything where you don't want people to think you're a saddo who can't get a girlfriend. I can imagine a closet queen employing such a service.