| Healthy Pet Store | Pet shop | 27 Salisbury Rd | Mon–Sat 09:00–20:00 |
| Hedge End Builders Ltd | Builder | 22 Grange Rd | Mon–Fri 07:30–18:30 |
| Hedge End Club Ltd | Club | 4 Bursledon Rd | Mon–Thu 11:00–23:00 |
| Himalaya MoMos | Nepalese restaurant | 13c Simmons Cl | Mon–Sat 09:30–22:00 |
| Holiday Properties International LTD | Short term apartment rental agency | Flat 16, Duncan Court | Daily Open 24 hours |
| Hylands | Greengrocer | High St | Mon–Sat 07:30–17:30 |
| Itchen Valley Country Park | Country park | Allington Ln | Daily 07:00–20:30 |
| J. Lawrence & Sons (Undertakers) Ltd. | Funeral director | 17 St Denys Rd | Daily Open 24 hours |
| Jd Lod Driveways & Roofing | Landscaper | Flat E, 78 Shirley Rd | Daily 08:00–18:00 |
| King's Community Church Hedge End | Church | Upper Northam Rd | Mon–Fri 09:00–16:30 |
| KJP Plumbing & Heating - Powerflush Specialists | Plumber | 4 Broadleaf Cl | Daily Open 24 hours |
| Kra Electrical & Energy Solutions | Electrician | 90 Shirley High St | Daily Open 24 hours |
| Lillies Fashion Boutique | Ladies' clothes shop | Marlands shopping centre | Mon–Sat 09:30–18:30 |
| Liv's Holistic Fitness - Personal Trainer Southampton | Women's personal trainer | Drivers Wharf, Northam Rd | Mon–Wed 06:00–20:30 |
| Longdown Activity Farm | Farm | Deerleap Ln | Daily 10:00–17:00 |
| Lumeria Eye Care | Shop | Chalybeate Cl | Daily Open 24 hours |
| Magenta Makeup | Make-up artist | 63 Ambleside | Mon–Thu 18:00–20:00 |
| Make up by Donna Lou | Make-up artist | Poppy Cl | Daily 07:00–18:00 |
| Manor Farm | Hampshire | Tourist attraction | Pyland's Ln | Daily 10:00–17:00 |
| Marks & Spencer | Department store | Tollbar Way | Mon–Sat 08:00–21:00 |
| Master Chimney Sweep & Pest Control | Chimney sweep | 48 Acacia Rd | Mon–Sat 08:00–20:00 |
| Mayflower Court care home, Southampton | Retirement home | 62-70 Westwood Rd | Daily Open 24 hours |
| Maypole Care Home - Bupa | Retirement village | 99 Lower Northam Rd | Daily Open 24 hours |
| MB Photography | Photographer | Wyndham Court | Daily 08:00–20:00 |
| MDL Hamble Point Marina | Marina | Saltmakers House, Hamble Point Marina, School Ln | Daily Open 24 hours |
| Medbar Southampton | Cocktail bar | 50 Oxford St | Mon–Thu 17:00–02:00 |
| MedHealth Ultrasound Southampton | Medical diagnostic imaging centre | Arena Offices, Threefield House, Threefield Ln | Daily 09:00–17:00 |
| Mellow restaurant southampton | Breakfast restaurant | Shirley Rd | Mon 11:00–22:00 |
| Melo Persian Restaurant & Lounge | Persian restaurant | 63-65 High Rd | Wed–Sun 12:00–23:00 |
| Mendez Marine | Boat hire service | The Sail Loft, Deacons Marina, Bridge Rd | Daily 09:00–17:00 |