Maddens (Bar, 2 gigs, East Finchley)
Magpie and Crown (Pub, 9 gigs, Brentford)
Maiden's Head, The (Live Music Pub, 3 gigs, Maidenhead)
Maidenhead Conservative Club (Private Club (open to non-members), 1 gig, Maidenhead)
Mainstone Sports & Social Club (Sports & Social Club, 1 gig, Leigham)
Malt Scoop Inn, The (Pub, 1 gig, Merton)
Malt Shovel, The (Pub, 1 gig, Horsham)
Maltshovel, The (Pub, 1 gig, Bridgwater)
Man In The Moon (Pub, 2 gigs, Stevenage)
Manorfest 2021 (Festival, 1 gig, Exmouth)
March United Sevices Club (Other, 1 gig, March)
Marine Tavern (Pub / Restaurant, 2 gigs, Dawlish)
Market House Inn, The (Other, 3 gigs, Glastonbury)
Marne, The (Pub, 1 gig, Bishop's Stortford)
Marquee On The Lawn, The (Event Venue, 1 gig, Dawlish)
Marquis Of Lorne (Pub, 5 gigs, Stevenage)
Marsham Court Hotel (Hotel, 1 gig, Bournemouth)
Masonic Inn (Pub, 2 gigs, Plymouth)
Maypole, The (Pub, 3 gigs, Surbiton)
McCafferty's (Pub, 3 gigs, Epsom)
McCafferty's Bar (Music Bar, 4 gigs, Bicester)
McCafferty's Bar (Pub, 2 gigs, North Harrow)
McMillan Theatre, The (Theatre, 1 gig, Bridgwater)
Memorial Hall (Concert Hall, 1 gig, Holsworthy)
Mendip Golf Club (Golf Club, 1 gig, Gurney Slade)
Meppershall Social Club (Social Club, 1 gig, Meppershall)
Meppershall Village Hall (Village Hall, 1 gig, Meppershall)
Mercure Hull Grange Park Hotel (Hotel, 1 gig, Willerby)
Mermaid, The (Pub, 11 gigs, St Albans)
Merstham Village Club (Private Members' Club, 6 gigs, Merstham)
Mid Devon Constitutional Club (Club, 2 gigs, Newton Abbot)
Mildmay Club, The (Private Members' Club, 1 gig, Stoke Newington)
Mill Ride Golf Club (Golf Club, 1 gig, Ascot)
Mill, The (Festival, 1 gig, Godalming)
Millbridge Inn (Pub & Food Bar, 3 gigs, Plymouth)
Millers Arms (Pub / Restaurant, 12 gigs, Eaton Socon)
Miners Arms, The (Pub, 1 gig, Mytchett)
Mini Clipper Logistics (Private Function, 1 gig, Leighton Buzzard)
MiniRunUK - The Royal Welsh Showground (Event Venue, 1 gig, Builth Wells)
Misty Moon (Pub, 10 gigs, Northwood)
Mixer, The (Other, 1 gig, Ware)
Molly Malone's (Pub, 5 gigs, Taunton)
Molly Malones (Pub, 2 gigs, Hitchin)
Moloko Bar (Bar, 2 gigs, Ipswich)
Monks Buttery Tap Room (Bar, 1 gig, Kings Langley)
Monks Park WMC (Working Men's Club, 1 gig, Northampton)
Montgomery Court (Private Function, 1 gig, Kempston)
Moorhen, The (Pub, 1 gig, Peterborough)
Morts Wine Bar (Wine Bar, 3 gigs, Walton-on-Thames)
Morwelham Quay Festival (Festival, 1 gig, Tavistock)
Mousehole Royal British Legion (Royal British Legion Club, 1 gig, Mousehole)
Mulberry, The (Pub, 1 gig, Farnham)
Music Box (Live Music Pub, 2 gigs, Hayes)
Music In The Meadow (Outdoor Event, 1 gig, Farnham)
Total 54