| Beacon Electrical (Beacon Park Road) | Appliance shop | 263 Beacon Park Rd | Mon–Sat 09:00–17:30 |
| Beacon Enforcement | Process server | Suite 6003, 24-26 George Pl | Mon Open 24 hours |
| Beautique Secrets - Nail & Beauty Salon - Plymstock | Nail salon | 3 Radford Park Road, Lower Ground Floor | Thu 09:00–17:00 |
| Beauty by Sally - Intimate Waxing Specialist | Waxing hair-removal service | Christian Mill Business Park, Tamerton Foliot Rd | Tue–Wed 10:00–19:00 |
| Becky Dodman Design | Fashion designer | 46 Palmerston St | Mon 09:00–17:00 |
| Bee Bee Gowns | Dress shop | 48/49, Faraday Mill, Buisness Park | Tue–Fri 10:00–17:00 |
| Ben Selby Counselling | Marriage counsellor | Unit 1, Creykes Court, 5 Craigie Dr | Mon 08:00–19:00 |
| Ben's Farm Shop | Tienda de productos agrícolas | Yealmpton, Plymouth PL8 2LT | Thu 09:00–18:00 |
| BespOKe | Carpenter | 3 Moor View | Mon Open 24 hours |
| BGE Digital SW | Security system installation service | Unit MSU9A, Level 1, 1 Charles St | Fri 08:00–18:00 |
| Black Dog Honey Bees Ltd | Honey farm | By Appointment Only, 202A Saltash Rd | Mon–Sat 10:00–17:00 |
| Blagdons Boatyard | Boat storage facility | Richmond Walk | Mon–Fri 09:00–17:00 |
| Blec Group | Fire protection service | Unit 5, Eurotech Park, 32 Burrington Way | Daily Open 24 hours |
| Blue Badge Transport | Disability services and support organization | City Business Park | Mon–Fri 08:00–17:30 |
| Blue Sky Web Design Plymouth | Website designer | City Business Park, Somerset Pl | Mon–Fri 09:00–17:00 |
| Body Remedies | Alternative medicine practitioner | 2 Masterman Rd | Mon 09:00–19:30 |
| Boon Tong Dha | Thai restaurant | 186 Exeter St | Tue–Sat 12:00–21:30 |
| Boringdon Park Golf Club | Golf club | 55 Plymbridge Rd | Mon 07:00–21:00 |
| Brays Removals | Removals service | 18 West Hill | Mon–Fri 09:00–19:00 |
| Breakwater Breakers | Car breaker | 1 Marine Cottages | Mon–Fri 08:00–17:00 |
| Bright Smiles Clinic | Teeth whitening service | 2nd Floor, 20 New George St | Thu 09:30–18:00 |
| British Filters Ltd | Air filter supplier | 11-12 Porsham Cl | Mon–Thu 09:00–17:00 |
| Budd Tree Services | Arborist service | 9 St George's Ave | Mon–Fri 09:00–17:00 |
| Buff Naked Butlers | Entertainment agency | 4 Royal William Rd | Mon 09:30–19:00 |
| Burts Snacks Ltd | Food manufacturer | Devon Enterprise Facility, The Klamphouse, 1 Belliver Way | Mon–Fri 09:00–17:00 |
| Bust A Nut Ltd | Car restoration service | 21 Stonehouse St | Tue–Sat 09:00–17:00 |
| Cafe Plus | Brunch restaurant | 64 Mutley Plain | Mon–Sat 09:00–20:00 |
| Cap'n Jaspers | Cafe | 18 The Barbican | Mon 08:00–20:00 |
| Cher's Funky Faces | Entertainment agency | 21 Linton Cl | Thu 10:00–19:00 |
| Chic Boutique Hair & Beauty Salon | Beauty salon | 11 Morshead Rd | Mon 10:00–17:00 |