| Carambada Cantina | Cafe | 253a Ditchling Rd | Thu 12:00–21:00 |
| Caramella | Sweet shop | 29A Kensington Gardens | Mon–Sat 10:00–17:30 |
| Carden Telecoms | Telecommunications service provider | Unit 1 | Mon–Fri 08:00–17:30 |
| Castle Snooker and Sports Bar | Snooker and pool club | 22-23 Castle St | Thu 11:00–23:00 |
| Caye Uk & Roi | Coffee machine supplier | Unit 2, 29, 42 Windsor St | Mon–Wed 09:00–17:00 |
| CBL Data Recovery Drop Off Location | Data recovery service | 36 New England Rd | Mon–Wed 09:00–18:00 |
| Cecconi's Brighton | Northern Italian restaurant | Marine Parade | Mon 12:00–15:00, 17:00–21:00 |
| Chandlers Building Supplies - Brighton | Building materials supplier | Aldrington Basin, 1 Basin Rd N | Mon–Fri 07:30–17:00 |
| Channel Diving, Brighton Fishing Charters & Rampion Windfarm Trips | Boat tour agency | The Waterfront | Fri–Sat 07:00–22:00 |
| China Garden | Chinese restaurant | 88 Preston St | Thu 12:00–21:30 |
| Chinese Medicine Centre | Acupuncture clinic | 49 Queens Rd | Mon 10:00–19:00 |
| Cine Hire Brighton | Camera shop | 2 Coombe Rd | Daily 06:00–23:00 |
| Circus Street Market | Market | Market Sq | Fri–Sat Open 24 hours |
| CityCoast Centre | Conference centre | North St | Tue 09:00–17:00 |
| Clarity Environmental | Environmental consultant | Unit 9-10, CEL House | Mon–Fri 09:00–17:00 |
| Coached | Gym | 48 Wellington Rd | Mon 06:00–13:30, 17:30–19:30 |
| Concept Kitchens and Bathrooms Ltd | Property maintenance | 99 St Andrew's Rd | Mon–Fri 09:00–17:00 |
| Conch Clothing | Custom t-shirt shop | Unit 2A, The Hyde Business Park | Mon–Fri 09:00–17:00 |
| Connection Clinic | Marriage counsellor | 21 Broad Grn | Mon–Fri 09:00–19:00 |
| Copywriting Brighton | Internet marketing service | North St | Mon–Sat 09:00–21:00 |
| Cosmic Alchemy | Metaphysical supply shop | 16 Brangwyn Cres | Fri 08:00–16:00 |
| Crocus Paella | Catering food and drink supplier | 113-118, A2010 | Mon 10:00–17:00 |
| Crossbar | Food and drink | 22-23 Upper N St | Thu 09:00–23:00 |
| CSL wing chun brighton | Wing chun school | KPulse Studios, 28 Foundry St | Sat 09:00–17:00 |
| Curing Rebels (Aka Rebel) | Charcuterie | Unit 13, Hove Enterprise Centre, Basin Rd N | Mon 09:30–17:00 |
| D&S Auto's Sussex Ltd | Used car dealer | 15 Winfield Cl | Mon–Fri 09:00–17:00 |
| Danglers | Fishing club | Western Esplanade | Mon–Sat 11:00–23:00 |
| Danny Nobrega worldwide food seller | Supermarket | 7 Larch Cl | Sun 09:00–17:00 |
| Data Concierge UK | Business management consultant | FIRST FLOOR, Telecom House, 125-135 Preston Rd | Thu 09:00–17:00 |
| Dean Wilde Furniture Maker | Cabinet maker | Waney edge workshop | Mon 09:00–17:00 |