| Beds on Legs | Bed shop | Amsterdam Rd | Mon–Fri 09:00–16:00 |
| Bella Rosa Italian Restaurant | Italian restaurant | 5 Hull Rd | Mon–Thu 12:00–21:00 |
| Bellissima Therapies | Massage therapist | 40 Dunswell Ln | Mon 09:15–14:30 |
| Berkeley House Care Home - Bupa | Nursing home | 2 Berkeley Ct | Thu–Fri Open 24 hours |
| Bespoke Memorials | Monument maker | 302 Southcoates Ln | Mon–Tue 09:00–17:00 |
| Beyond Events, University of Hull | Conference centre | Canham Turner, University of Hull, Cottingham Rd | Mon–Fri 08:00–17:00 |
| BG Heating & Renewables | Boiler supplier | 66 Guildford Ave | Mon–Sat Open 24 hours |
| Blank Canvas | Theatre company | Unit F4, Prince St | Mon–Sat 10:00–16:00 |
| Boothferry Park Nutrition | Wellness programme | 37 Boothferry Rd | Thu 07:00–11:00 |
| Bosa Contracts Ltd | Concrete contractor | 61 Wassand St | Mon–Fri 08:00–17:00 |
| Bounce About Castles | Party equipment rental service | 73 St Martin's Rd | Wed–Fri 09:00–20:00 |
| Bowker Group - Hull | Logistics service | Littlefair Rd | Mon–Fri 09:00–17:00 |
| Bransholme Urgent Treatment Centre | Urgent care centre | Bransholme South Health Centre, Bransholme Health Centre, 49 Goodhart Rd | Daily Open 24 hours |
| Brjoinery Services | Carpenter | 21 Dibsdane | Mon–Sat 08:30–18:00 |
| Bronx Clothing | Designer clothing shop | 40, Paragon Square | Thu 09:30–17:30 |
| Broomsticks | Gift shop | 68 Chanterlands Ave | Tue–Sat 10:00–17:00 |
| Browns Leaflet Distribution | Promotional products supplier | 94 Dodswell Grove | Mon–Fri 05:30–17:30 |
| BSN medical | Medical supply store | Willerby Hill Business Park, Block C | Mon–Thu 08:30–17:00 |
| Burstwick Kennels | Pet sitter | Stud Farm, Station Rd | Mon–Fri 07:00–17:00 |
| Burton Constable Hall & Parkland | Manor house | Skirlaugh, Hull HU11 4LN | Thu 10:00–16:00 |
| Business Coach Academy | Business management consultant | 433-435 Hedon Rd | Mon–Fri 08:00–18:00 |
| Business101 | Branding agency | Tech Park, Unit 2 Hamburg Rd | Mon–Thu 08:00–16:00 |
| C Brown Electrical limited. | Electrical installation service | 6, Ings Ln | Mon–Sat 09:00–17:00 |
| C M Roach & Co Ltd | Seafood wholesaler | 74-76 English St | Mon–Fri 07:30–16:30 |
| Cancer Research UK | Charity shop | Unit 16, Anlaby Retail Park, Springfield Way | Mon 09:30–18:00 |
| Caprani Plumbing & Heating Limited | Plumber | 896 Spring Bank W | Daily Open 24 hours |
| Car Park King William House - Hull | APCOA | Parking garage | Lowgate | Mon–Sat 07:00–23:00 |
| Carl Hammond | Bed shop | 349-355 Hessle Rd | Mon 09:00–16:00 |
| CarSupermarket.com Hessle | Car dealer | Livingstone Rd | Mon–Fri 08:30–19:00 |
| CASA Suite Sexual Assault Referral Centre SARC | Domestic abuse treatment centre | 810A Hessle Rd | Mon–Fri 09:00–17:00 |