| Supreme Freight Services Ltd | Freight forwarding service | Supreme House, 29-33 Shirley Rd | Daily Open 24 hours |
| Swanmore Lawn Tennis Club | Tennis club | Mayhill Ln | Daily 08:00–22:00 |
| Swaythling Laundry Services | Laundry service | 2-3 Market Buildings, High Rd | Daily 07:00–20:00 |
| Sweet Corner | Sweet shop | 10 High St | Mon–Sat 09:30–17:00 |
| Sweet Thoughts Ltd | Sweet shop | 9a Eling Ln | Mon–Thu 10:30–19:00 |
| Tech House Southampton | Mobile phone repair shop | 18 Above Bar St | Mon–Sat 09:00–21:00 |
| Tectonic Massage | Erotic massage | Bevois Valley Rd | Mon–Tue Open 24 hours |
| The Black Dog | Pub | Winchester Rd | Mon–Thu 11:30–15:00, 17:30–22:00 |
| The Bold Forester | Gastropub | The Bold Forester, Beaulieu Rd | Mon–Sat 11:00–23:00 |
| The Botley Brewery and Hidden Tap bar | Brewery | Botley Mills, Mill Hill | Tue–Thu 17:00–23:00 |
| The Bounce Department | Bouncy castle hire | 1 Armada Cl | Mon–Fri 08:30–16:30 |
| The Hot Tub & Wellness Centre | Hot tub shop | The Hot Tub & Wellness Centre, Mansbridge Rd | Mon–Sat 09:00–16:00 |
| The House of Splatter | Painting studio | 8, The Colonnade, Bridge Rd | Mon 09:30–12:30, 17:30–20:30 |
| The Joiners | Live music venue | 141 St Mary St | Mon 19:30–22:30 |
| The Old Bond Store | Events venue | Back of the Walls | Daily 09:00–17:00 |
| The Orangery Tea House, The Garden Society | Tea house | The Garden Society, Allington Ln | Mon–Sat 09:00–17:00 |
| The Sharpening | Sharpening service | 107 N E Rd | Daily 09:00–17:00 |
| The Ship Inn | Wedding venue | 41 Old Redbridge Rd | Mon–Sat 12:00–23:00 |
| The Spa Workshop Ltd | Hot tub repair service | Chenewood House, 1 Long Ln | Daily 09:00–17:00 |
| The White Swan, Southampton | Carvery | Mansbridge Rd | Daily 09:00–23:00 |
| Thrive & Revive Aesthetics | Nurse practitioner | 4 Deacon Rd | Mon–Wed 09:00–18:00 |
| Thrive Wellness Centre | Women's health clinic | 86, 4 Deacon Rd | Daily 09:00–20:00 |
| Titan Silk SMP - Scalp Micropigmentation | Hair replacement service | Wheelers Mdw | Daily 09:00–20:00 |
| Tony's Grill | Kebab shop | 425 Millbrook Rd W | Mon 16:30–00:00 |
| Totton & Eling Tennis Centre | Tennis club | Hanger Farm, Aikman Ln | Daily 07:30–21:30 |
| Totton Arcade | Video arcade | 14 Water Ln | Sat–Sun 10:00–19:00 |
| Totton Argos | Clothing shop | C, Totton Retail Park, Commercial Rd | Mon–Fri 09:00–19:30 |
| TruGreen Hampshire, Waterside & New Forest | Lawn care service | Brook Cottage, Clewers Ln | Daily 09:00–19:00 |
| Uni Kebab Turkish Restaurant | Turkish restaurant | 220 Burgess Rd | Mon–Thu 11:00–23:30 |
| Union of Surf | Sunglasses shop | Botley Rd | Daily Open 24 hours |