| Mama Woo Fusion Kitchen | Asian fusion restaurant | 26 Whingate Rd | Mon 16:30–22:00 |
| Manjaros | Caribbean restaurant | 2 Burley Rd | Mon–Thu 12:00–23:00 |
| Manning Stainton Estate Agents Adel | Estate agent | 487 Otley Rd | Mon–Tue 09:00–17:00 |
| Martin James Definitive | Hairdresser | 66 Otley Rd | Thu–Sun 10:00–19:00 |
| Matthew taylor tiling Services | Tile contractor | 30 Primrose Hill Gardens | Daily Open 24 hours |
| Mckinlay Mountaineering | Mountaineering class | 30 Roundhay Grove | Mon–Fri 09:00–18:00 |
| MD Partitions | Dry wall contractor | 200 Town St | Mon Open 24 hours |
| Medicals 4 Less | Local medical services | Unit 10, Percy St | Daily 08:00–20:00 |
| Methley Scaffolding Services LTD | Scaffolding service | 20 Moor Vw | Mon–Sat 08:00–17:00 |
| Middleton Chinese | Chinese takeaway | 11 Middleton Park Circus | Tue–Thu 17:00–22:30 |
| Moortown Dry Cleaners & Laundrette Services | Dry cleaner | 8 Queenshill Approach | Mon–Sat 09:00–18:00 |
| Morabeza café | Portuguese restaurant | 24 Green Ln | Mon 08:00–22:00 |
| Morley Cricket Club | Cricket club | Scatcherd Ln | Mon–Wed 18:00–22:00 |
| Morrells Window Cleaning Ltd | Window cleaning service | 20 Kirkdale Gardens | Daily Open 24 hours |
| Mother Hubbard’s | Fish & chips shop | 52 Harehills Rd | Daily 11:00–22:00 |
| Multiflight Aircraft Engineering | Aeronautical engineer | Leeds Bradford Airport | Daily 08:30–15:30 |
| Murgatroyds Fish & Chip Restaurant & Takeaway | Fish and seafood restaurant | Harrogate Road, Yeadon | Daily 11:30–21:00 |
| Muscle And Bone Clinic | Physiotherapist | THE GATEHOUSE, On, Wetherby Rd | Mon–Fri 07:00–22:00 |
| Muted Productions | Rehearsal studio | Ste 1, Chantry House, Victoria Rd | Daily Open 24 hours |
| Nesso cafe and bar Morley | Cafe | 87 Queen St | Mon–Fri 08:00–17:00 |
| Neville House | Assisted living residence | 12 Montreal Ave | Daily Open 24 hours |
| New Dewan | Middle Eastern restaurant | 18 Woodsley Rd | Daily 12:00–22:00 |
| Northern Gas Networks | Gas company | Thorpe Business Park, 1100 Century Way | Daily Open 24 hours |
| Northern Guitars Cafe Bar | Live music bar | 41 Call Ln | Mon–Thu 12:00–23:30 |
| Northlight Arts Centre, Cafe & Event Space | Art centre | 31 Potternewton Ln | Mon 09:30–17:00 |
| Northworks studio | Video production service | 7 Ludgate Hill | Daily Open 24 hours |
| NQA Scrap Car Collection Yorkshire | Salvage dealer | 738 Leeds and Bradford Rd | Sun Open 24 hours |
| O.S.M Roofing & Building | Cladding contractor | Field End | Mon–Fri 07:30–16:30 |
| OAO Leeds | Hot pot restaurant | 43-47 Great George St | Daily 12:00–22:00 |
| OK Comics | Comic book shop | 19 Thornton's Arcade | Mon–Sat 11:00–17:00 |