As you have asked about the Strategic consulting firms in Mumbai, I am giving you information about it, check below for the details

D'Essence Hospitality  
Business Management Consultant
Address:
303, Aar Pee Centre, Road no 11,, Near Tunga Paradise MIDC, Andheri(e), Mumbai, Maharashtra 400093
Phone:022 2822 8142

Cerveausys - Business Strategy, HR & OD Consulting Firm in Mumbai  
Business Management Consultant
Address:
8, Subhash Road, Netaji Subhash Nagar, Mumbai, Maharashtra 400057
Phone:077099 92257

Market Gate  
Business Management Consultant
Address:
507-A, 5th Floor, Kakad Chambers, Dr. Annie Besant Road, Worli, Navi Mumbai, Maharashtra 400018

Deloitte  
Business Management Consultant
Address:
Indiabulls Finance Centre, Tower 3, 27th – 32nd Floor, Senapati Bapat Marg, Elphinstone Road (West), Mumbai, Maharashtra 400013
Phone:022 6185 4000