| Conquest Joinery Ltd | Shed builder | Hacken Ln | Fri 08:30–16:30 |
| Conroy Plumbing, Heating & Renewables Bolton | Plumber | 14 Prestbury Rd | Mon Open 24 hours |
| Control Alt Delete IT | IT support and services | 8 Hoskers Nook | Mon–Fri 09:00–17:00 |
| Copperbeech Boarding Kennels | Pet boarding service | 3 Bank Houses | Mon 09:00–17:00 |
| Copy Print Services Ltd | Office equipment supplier | South Business Park, 1 Mather St | Fri 09:00–17:00 |
| Cornerstone Baptist Church | Baptist church | Off Lords Stile Ln | Tue–Thu 09:00–17:30 |
| Costcutter Featuring Bargain Booze | Tobacco shop | 229 Highfield Rd | Mon 07:00–21:00 |
| Cottage Cabinets | Cabinet maker | Radcliffe Moor Rd | Mon 08:00–17:00 |
| Counselling Care UK | Counsellor | 42-44 Chorley New Rd | Mon–Fri 09:00–20:00 |
| CR waste removals | Junk removal service | 44 Garstang Ave | Daily Open 24 hours |
| Cross Guns | Restaurant | 354 Blackburn Rd | Mon–Fri 12:00–23:00 |
| Crystal TV Spare Parts | Electronic parts supplier | 64 Egerton St | Mon–Fri 09:00–18:00 |
| D'COCINA Bolton, Greater Manchester - Filipino Restaurant & Venue Hire | Filipino restaurant | 4 Mawdsley St | Wed 10:00–16:00 |
| Dacia Bolton | Dacia dealer | 426-438 Manchester Rd | Mon–Fri 08:00–18:00 |
| Danmarque Ltd | Garage builder | 5, Grosvenor Gardens, 513 Radcliffe Rd. | Mon–Fri 09:00–17:30 |
| David Jackson Groundwork & Civil Engineering Ltd | Excavating contractor | 117 Green Ln | Mon–Fri 08:00–17:00 |
| De La Rue Westhoughton | Packaging supply shop | Elland Close, 166 Chorley Rd | Daily Open 24 hours |
| Debt Collection Agency UK | Debt collection agency | Manchester Rd | Daily Open 24 hours |
| Decking Import | Deck builder | Unit 3, Bradley Fold Trading Estate, Radcliffe Moor Rd | Mon–Fri 10:00–16:00 |
| Deeper Life Bible Church, Bolton | Religious organisation | C/O, Trinity Methodist Church, Market St. | Tue 19:00–21:00 |
| Delph Sailing Club | Sailing club | Longworth Rd | Wed 18:00–21:00 |
| Dermatherapy School Of Beauty Ltd | Training centre | Central Unit, Longworth Rd | Mon–Sat 09:00–18:00 |
| Direct Vans Bolton LTD | Used car dealer | Unit 11A, Farnworth Industrial Estate, Emlyn St | Mon–Fri 09:00–18:00 |
| Dismissal Solicitors - Employment Lawyer | Employment lawyer | 49 Bradshawgate | Mon–Fri 09:00–17:30 |
| Display Signs & Graphics Ltd | Signwriting service | The Lodge, Gorses Mount | Mon–Fri 09:00–17:00 |
| Don Tacos | Mexican restaurant | 119 Deansgate | Daily 16:00–22:00 |
| Dragonfly Crowd Ltd | Health insurance agency | 1st Floor, Dart House, st.georges square | Mon–Thu 09:00–17:00 |
| DSC group BM Ltd | Building firm | Unit 2, Meadow Business Park | Daily Open 24 hours |
| Dunscar Self Storage Unit - Self storage Bolton | Self storage facility | Unit 4, Dunscar Business Park, Blackburn Rd | Daily 07:00–19:00 |
| Dutch Connection | Furniture wholesaler | Handel St | Mon–Fri 08:30–17:00 |