| Brett Riley-Tomlinson | Marketing consultant | Unit 12 New St | Mon–Fri 08:30–16:30 |
| Brodsworth Hall and Gardens | Cafe | Brodsworth, Doncaster DN5 7XJ | Daily 10:00–17:00 |
| Broughs Of Bentley | Bakery | 28 Church Rd | Tue–Fri 06:00–13:00 |
| Brow Politics | Permanent make-up clinic | APPOINTMENT ONLY GATED ENTRANCE, Rockcliffe house, 32 Bawtry Rd | Mon–Sat 09:00–17:00 |
| Browns at the Buttercross | Modern British restaurant | 8 Market Pl | Tue–Fri 08:00–16:00 |
| Building Composites Ltd | Plastic products supplier | Unit 21, Broomhouse Lane Industrial Estate, Wood View | Mon–Fri 08:00–17:00 |
| Building Plastics Online Ltd | Roofing supply shop | Unit 33, Broomhouse Lane Industrial Estate, Wood View | Fri 09:00–17:00 |
| Building Plastics Online Ltd - Bathroom Showroom | Bathroom supply shop | Unit 33 Broomhouse Industrial Estate, Wood View | Mon–Fri 09:00–17:00 |
| Business Doncaster | Business development service | Fl 4, Civic Building, Waterdale | Mon–Fri 07:30–17:30 |
| Bycroft Consulting | Railway contractor | Armstrong House, First Ave | Mon–Fri 08:00–16:00 |
| Campsall Park Road - Anchor | Housing association | Campsall Park Rd | Daily Open 24 hours |
| Canaan Country | Animal feed shop | 11 Selby Rd | Mon–Fri 09:00–17:00 |
| Candy Corner Fisheries | Fishing pond | Wroot Rd | Tue–Fri 08:00–18:00 |
| Car Park Civic Quarter - Doncaster | APCOA | Parking garage | Civic Quarter Car Park, College Rd | Mon–Sat 05:00–00:00 |
| Carcroft Club | Social club | 6 Chestnut Ave | Mon 12:00–23:30 |
| Carcroft Household Waste Recycling Centre | Recycling centre | Bentley Moor Ln | Mon 09:30–17:00 |
| Castle Steel Buildings Limited | Steel construction company | Balby Court Business Campus, Balby Carr Bank | Mon 09:15–15:00 |
| CBC-Hire Bouncy castles & inflatables | Bouncy castle hire | Cross Bank | Fri 08:00–20:00 |
| Cepac Ltd - Doncaster | Packaging company | 4 Yorkshire Way | Mon–Fri 08:08–17:00 |
| CF Civils & Groundworks Ltd | Civil engineering company | Carcroft Enterprise Park | Mon–Fri 06:30–18:30 |
| Chaiquinta Pet Hotel. Doggie daycare and Grooming Salon | Pet boarding service | Chaiquinta House, Bramwith Ln | Sat 10:30–13:00 |
| Charm Thai Cafe | Thai restaurant | 67 Copley Rd | Fri 12:00–21:00 |
| ChesterfieldPoultryLimited | Food processing company | 5 Coulman St | Mon–Thu 08:30–17:00 |
| Chris Hall Motorcycles Ltd | Motorbike dealer | St Catherine's Ave, Carr Hl | Mon–Fri 10:00–17:30 |
| Chris Stevenson Solicitors | Lawyer | 103 Thorne Rd | Mon–Fri 09:00–17:00 |
| Church of the Good Shepherd | Church | Church Balk | Tue 14:45–16:15 |
| Ciao Pizzeria | Pizza delivery | 65 Nether Hall Rd | Daily 12:00–00:00 |
| Circuit Records | Record company | 53 - 57 Nether Hall Rd | Mon–Fri 09:00–17:30 |
| CK Catering (cks bake n butties) | Caterer | 00 Florence Ave | Daily Open 24 hours |
| CladdPlus Ltd Doncaster | Home improvement shop | Unit 1, Abbey Business Park, 451 Bentley Rd | Thu 08:00–16:00 |