M
- M & B Minibuses Ltd
- M & D Mini Coach & Private Hire
- M & H Coaches
- M & H Travel
- M & J Coaches
- M & J Harcus
- M & J Travel
- M & M Coaches
- M & S Bus
- M J & T C Perry
- M Pearson Coaches
- M S K Minis
- M Travel Ltd
- M Travel Mini Buses Ltd
- M W Nicoll
- M-Line Coaches
- MacDonald Bros
- MacEwan's Coach Services
- MacKay's Coaches
- MacKenzie Coaches