| Doncaster Tax Solutions | Accountant | Unit 4 Transpoint, Doncaster Rd | Mon–Thu 08:00–16:00 |
| Doncaster Tech Solutions | Computer consultant | 21 Firecrest Road | Daily Open 24 hours |
| Doncaster Vehicle Spares | Vehicle parts shop | Scope House, Station Rd | Mon–Fri 08:00–17:00 |
| DoncasterTruckParts | Vehicle parts market | Bankwood Lane | Fri 08:30–17:30 |
| Donny Cutz | Barber shop | 11 Copley Rd | Mon 09:00–19:00 |
| Drg Health Clinic | Pain management doctor | 9, 10 Priory Pl | Mon–Fri 09:00–16:00 |
| Driveway specialist contractors ltd | Paving contractor | 49 Duke's Cres | Mon–Fri 09:00–17:00 |
| E R Autoservices | MOT centre | ER Autoservices, Burcroft Hill | Mon–Tue 09:00–17:00 |
| Eagl-s Embroidery and Print Doncaster | Embroidery shop | Vale Croft, Station Rd | Mon–Fri 09:00–17:00 |
| Eastlane Commercials Ltd | Used truck dealer | 1 East Ln | Mon–Fri 08:30–17:00 |
| Easypet Supplies & Grooming | Pet groomer | 2 Mill Ln | Fri 09:00–18:00 |
| Edendental | Dental clinic | 115 Church Balk | Mon 12:00–18:00 |
| Elm Park Care Home | Nursing home | 197 Great N Rd | Mon Open 24 hours |
| Emergency Response Training Ltd | Training provider | Canberra House TDC, 10 First Ave | Mon 08:00–16:30 |
| Emms Transport & Training Group | Driving school | Emms & Sons Ltd, Edlington Lane | Mon–Thu 06:00–22:00 |
| Energise Energy Solutions | Energy supplier | 1a, Aviator Court, First Ave | Mon 08:00–16:30 |
| Eternity Aesthetics | Feng shui consultant | 71 Fernhurst Rd | Mon 09:30–15:30 |
| Evolve Beauty and Aesthetics | Skin care clinic | 27 Nunnington Way | Mon 10:00–19:00 |
| Expert Mortgage Advice | Mortgage broker | 19 Chester Dr | Daily Open 24 hours |
| Eyes-On Investigations Ltd | Private investigator | Workhere - 4, Cavendish Court, S Parade | Mon–Sat 07:00–22:00 |
| F&F Clothing | Fashion accessories shop | Thorne Rd | Mon–Sat 06:00–23:00 |
| Fabb Beds | Bed shop | High St | Mon–Sat 09:00–17:00 |
| Face Facts Aesthetics & Beauty | Beauty | 10 Dower House Square | Tue–Wed 10:00–17:00 |
| Family Shopper Conisbrough | Convenience store | 29-31 Wembley Ave | Mon–Fri 06:00–23:00 |
| Fastline Services Ltd | Line marking service | Kirk Sandall Industrial Estate, Unit 2 Plumb Units, Sandall Stones Rd | Mon–Fri 08:30–17:00 |
| Fernbank Digital | Internet marketing service | Apex Office Space Space, 1 Water Vole Wy | Fri 09:00–17:00 |
| Fiat Doncaster | Fiat dealer | Barnby Dun Rd | Mon–Fri 08:30–18:00 |
| Fidelity Audio Ltd | Electronics manufacturer | 7 Newhall Rd | Fri 08:45–16:15 |
| Fieldside Dental Practice - Doncaster | Dentist | 16 Field Side | Mon–Thu 09:00–17:30 |
| Fire Risk Consulting Ltd | Fire protection service | 9 Kepple Cl | Mon–Sat 09:00–17:00 |