| Bombay Kitchen | Indian takeaway | 48 New Park Rd | Daily 16:30–23:00 |
| Bonbon Pottery Cafe - Battersea Power Station London | Painting studio | Upper Ground, 16 Electric Blvd | Mon–Tue 10:00–20:30 |
| Bonbon Pottery Cafe - Royal Wharf London | Painting studio | 3 Royal Crest Ave. | Mon–Tue 12:00–20:30 |
| Bootcamp SE16 | Boot camp | Dock Hill Ave | Mon–Fri 09:00–20:00 |
| Bordelaise Surbiton | French steak restaurant | 97 Maple Rd Surbiton, Greater | Tue–Thu 12:00–14:45, 16:00–22:00 |
| Bornleather Wholesale Shop | Leather goods wholesaler | Wicklow House, 6 | Mon–Sat 08:00–18:00 |
| Boro Bistro | Modern French restaurant | Boro Bistro, 6-10 Borough High St | Tue 12:00–23:00 |
| Borshtch n Tears - Борщ И Слёзы | Russian restaurant | 46 Beauchamp Pl | Tue–Thu 16:00–01:30 |
| Bouncy Castles of North London | Bouncy castle hire | 43 Chris Pullen Way | Daily 09:00–20:00 |
| Bouquets & Beans | Coffee stand | 286 Kennington Rd | Mon–Fri 07:00–15:30 |
| Bow Baptist Church | Église baptiste | 1 Payne Rd | Tue–Wed 10:00–11:30 |
| Boxcentric - Boxing & Fitness Gym | Boxing gym | 8 Egerton Gardens Mews | Mon 08:00–21:00 |
| Braggs Schoolwear London | School supply shop | 341 Ballards Ln | Mon–Thu 09:00–18:00 |
| Bravus Metal Services & Supplies | Metal supplier | 20 Wenlock Rd | Sun 09:00–17:00 |
| BrazBQ Spetto Brazilian food | Brazilian restaurant | 90 High Rd | Mon–Thu 08:30–21:00 |
| Bread & Oregano | Breakfast restaurant | 1, 3 Hainault Buildings | Daily 07:30–22:00 |
| Break The Fast London | Breakfast restaurant | 325 Brockley Rd | Mon–Thu 10:00–15:00 |
| BrewDog Paddington | Beer hall | Unit 1, West End Quay, Harbet Rd | Mon 12:00–22:00 |
| Bright Courtyard Club | Mandarin restaurant | 45 Baker St | Mon–Fri 11:00–23:00 |
| Britannia Glass & Glazing | Glass repair service | 80 Battersea Rise | Daily Open 24 hours |
| Britannia Leisure Centre | Leisure centre | Pitfield St | Mon–Fri 06:00–22:00 |
| British Racecourses | Racecourse | 10b Anerley Station Rd | Daily Open 24 hours |
| Brixton Beds | Bed shop | 236 Brixton Rd | Mon–Sat 10:00–19:00 |
| Brockwell Lido | Lido | Dulwich Rd | Mon–Thu 06:30–21:00 |
| Browns Chauffeur Ltd | Chauffeur service | Manak House, Kangley Bridge Rd | Daily Open 24 hours |
| Browology Muswell Hill | Eyebrow bar | Browology, 83 Fortis Green Rd | Tue–Sat 09:00–17:00 |
| Bryan and Spencer Associates | Tax preparation service | 66 Rosaville Rd | Daily Open 24 hours |
| Bryant Street Methodist Church & Community Centre | Methodist church | Bryant St | Daily 11:00–19:00 |
| Buffalo American Grill & TexMex | American restaurant | 33 Greenwich Church St | Mon–Thu 11:00–00:00 |
| Buildings and Restorations Ltd | Roofing service | Flat 20, 27 Frampton Park Rd | Daily 08:00–18:00 |