M was founded in 2014 by Martin Williams and is made up of three multi award winning restaurants. M Threadneedle Street houses two 100-cover restaurants, a destination cocktail bar, a wine-tasting room and a secret den, M Den, alongside flexible private dining and event spaces.

M Victoria Street is home to a 120-cover two-tiered grill room, 50-cover raw bar, public and private members' bars, a wine tasting room and private dining and event spaces. The venue is accessed viaM Wine Store, a retail boutique from which customers can purchase unusual and premium wines in person or online.

M Bar & Grill is the latest addition to the M group following a collaboration with rugby star Simon Shaw MBE. Just moments from Twickenham rugby stadium, the unique space houses a 120-cover grill restaurant, and a contemporary pub-style bar.