| Athlete King Swansea | Vitamin & supplements shop | Athlete King, The Fitness Studio Rd | Mon–Fri 06:30–21:30 |
| Atlas Geophysical | Geological service | Unit 12, Swansea Valley Business Park,, Glan-Yr-Afon, Ystalyfera | Fri 08:30–17:00 |
| Atrium Construction | Structural engineer | 12 Clarendon Rd | Thu 09:00–17:00 |
| Atrium Planning Consultants | Architect | 12 Clarendon Rd | Mon–Fri 09:00–17:00 |
| Automec | Car battery shop | 75 Siloh Rd | Mon–Wed 08:30–17:30 |
| Avanni Kitchens Ltd | Kitchen furniture shop | 21 Sterry Rd | Mon–Fri 09:30–16:30 |
| AVL Solutions | Audio visual consultant | Unit 45 Sybil St | Wed 09:00–17:00 |
| Bamboo Restaurant-竹 | Sushi restaurant | 83 Brynymor Rd | Mon–Tue 11:30–22:00 |
| Bambridge Loft Conversions | Home builder | 32 Waun Rd | Mon–Tue 08:00–20:00 |
| Bar & Catering Supply Co | Catering supplier | Approach Rd | Mon–Fri 09:00–17:00 |
| Bar Saint James | Tea room | 30 Uplands Cres | Mon 13:00–22:00 |
| Bare Feet Retreat Reflexology, Holistic facial, Facial Reflaxology/Zone Face Lift | Reflexologist | 2 Murton Ln | Mon–Thu 09:00–16:00 |
| Barroccu & Co | Fashion accessories shop | Phoenix Way, Solray Works | Daily 09:00–17:00 |
| Bassetts Honda | Honda dealer | Valley Way | Mon–Fri 08:30–18:00 |
| Baters Opticians Gorseinon | Hearing aid repair service | Cross St | Mon–Sat 09:00–17:00 |
| Bcapture Photography | Photographer | 9 Dynevor Terrace | Daily Open 24 hours |
| Bec Flowers | Florist | 72 Cae Castell | Daily Open 24 hours |
| Bella ciao mumbles | Sicilian restaurant | 698 Mumbles Rd | Tue–Fri 17:00–21:00 |
| Berwyn Slate | Quarry | 4, Crofty Industrial Estate | Mon–Fri 09:00–16:00 |
| Bevan Buckland Ltd | Chartered accountant | Ground Floor, Cardigan House Castle Court, Swansea Enterprise Park | Mon–Fri 08:30–17:00 |
| Blinging Stunning ltd | Ladies' clothes shop | 15 Lon Hir | Mon–Sat 10:30–19:30 |
| Blossom Natural Health | Acupuncture clinic | 18 Ystrad Rd | Mon 18:00–21:00 |
| Bouncy Hire Swansea | Bouncy castle hire | 149 Kingrosia Park | Mon–Sat 08:00–20:00 |
| Bowen Technique Therapy Allergy Tests Emotional Release Feng Shui Healers-Hands | Alternative medicine practitioner | 1 Glamorgan St, Pell St | Mon 09:00–17:00 |
| Boxing Swansea - Cornelius Carr | Boxing gym | Unit 10B, Anytime Fitness, Park Fforestfach, Pontardulais Rd | Mon–Fri 06:30–18:30 |
| BP2 Land & Property Consultants | Property consultant | Urban Village, 221 High St | Mon–Fri 09:00–17:30 |
| Brave Arts Theatre Company | Performing arts group | Community Centre | Fri Open 24 hours |
| Brisco Williams (Gas) Limited | Gas company | Gorseinon Rd | Mon–Fri 08:30–17:00 |
| Bump Boobs Babi Swansea | Women's health clinic | Campus, Health and Wellbeing Acadmey (Swansea University Singleton Glyndwr Building Singleton | Mon–Sat 09:30–16:30 |
| Business Finance Trust | Finance broker | Caerau House | Mon–Fri 09:00–17:00 |