Here are well-known Mumbai hotels that advertise dedicated concierge/personal-butler services (service levels often depend on room category or can be requested):

• The St. Regis Mumbai (Lower Parel) — Signature St. Regis Butler Service (personalized, 24/7/Butler Service Desk available). (st-regis.marriott.com)

• The Taj Mahal Palace, Colaba — Golden Keys / concierge and extensive multilingual travel desk services (concierge services featured for guests). (tajhotels.com)

• The Oberoi, Mumbai (Nariman Point) — 24-hour personalised concierge and dedicated/24‑hour butler service for suites. (oberoihotels.com)

• Four Seasons Hotel Mumbai (near Mahalaxmi Racecourse / Worli) — 24-hour multilingual concierge team and in-app service support for guests. (fourseasons.com)

• The Leela, Mumbai (Sahar / Andheri East) — 24x7 personalised butler service offered for suites / premium room categories. (cms.theleela.com)

• JW Marriott Mumbai Juhu — Concierge desk service (hotel lists concierge and guest services among amenities). (marriott.com)

• Trident (Nariman Point / BKC) — Club/club‑floor benefits list around‑the‑clock butler service and dedicated club concierge for certain room categories. (tridenthotels.com)

Note: Many hotels reserve full butler/personal‑concierge services for suites or club/club‑floor guests or will provide them on request (often for an additional fee). Always confirm with the hotel directly at booking for exact scope, availability and any room-type requirements.

If you’d like, I can pull contact details, compare which properties include butler/concierge automatically with a particular room type, or check availability/rates for specific dates.