| Conquest Chimney Sweep | Chimney sweep | 65 Bedford Rd | Mon–Fri 07:00–17:00 |
| Content Craving | Advertising agency | Bedford I-lab Stannard Way, Priory Business Park | Mon–Fri 09:00–18:00 |
| Coopers Commercials Ltd | Truck repair shop | Bedford Rd | Daily Open 24 hours |
| Copybox Document Systems Ltd | Printing equipment supplier | The Innovation Centre, Priory Business Park | Tue–Wed 09:00–17:30 |
| Copymore | Copier repair service | 3 The Sycamores | Mon–Fri 08:00–20:00 |
| Cottage Farm Nurseries | Nursery | 312 Cople Rd | Tue–Wed 09:00–17:00 |
| Country Vehicles Flitwick Ltd | Tyre shop | Maulden Road Industrial Estate, 3 Enterprise Way | Mon–Fri 08:30–17:30 |
| Crane Hire Milton Keynes - Construction Lifting Services Ltd | Crane rental agency | 11 Highfield Cres | Fri 08:00–17:00 |
| Cranfield Aerospace Solutions Ltd | Entreprise aérospatiale | First Floor, Trent House, Cranfield Technology Park | Mon–Fri 08:00–17:30 |
| Cranfield Flying School | Flight school | London Cranfield Airport, 164-187 | Daily 08:30–17:30 |
| Cranfield University | University | College Rd | Mon–Fri 08:00–20:00 |
| Creative Interior Contracts Limited | Building restoration service | Unit 7 Triumph Way | Mon–Fri 09:00–17:00 |
| Cryohub bedford ltd | Wellness centre | 194 Bedford Rd | Mon 08:00–19:00 |
| Crystal Johns | Clairvoyant | 10A The Arcade | Mon 10:00–16:00 |
| Cycleworx Flitwick | Bicycle shop | 22 Brookes Rd | Tue–Wed 09:30–16:30 |
| Danish Camp | Restaurant | Chapel Ln | Wed–Thu 09:00–17:00 |
| David Head Furniture Makers | Furniture maker | Unit A7, Barton Industrial Estate, Faldo Rd | Mon–Tue 08:00–16:30 |
| Davina Farrer - Utility Warehouse | Electric utility company | Naylor Ave | Daily 08:00–18:00 |
| Dessert Island Bedford | Dessert shop | 32-34 St Loyes St | Mon–Thu 14:00–23:00 |
| Diamond Fire and Security (UK) Ltd | Security system installation service | 29 Lincroft | Mon–Thu 09:00–17:30 |
| Dive With Jimmy | Dive shop | 82 College St | Thu 11:00–19:00 |
| Dj and 360 Photobooth in Bedfordshire Dj Googz | DJ | Kempston, Bedford MK42 8NX | Mon Open 24 hours |
| Dominic Mills & Co | Law firm | 11 Grove Pl | Mon–Fri 09:00–17:00 |
| Door to Door | Disability transportation service | The Old School | Mon–Fri 09:00–16:00 |
| Dovart Pet Supplies and Boarding Kennels | Pet shop | Ossory Farm, Woburn Rd | Mon–Sat 09:00–17:30 |
| Drawers N Doors | Kitchen supply shop | 12 Windmill Rd | Mon–Tue 09:00–17:00 |
| Dunster House Windows and Doors | Window supplier | Factory, 2 Caxton Rd | Mon–Fri 08:30–17:30 |
| DVSintegration LTD | Home automation company | 5 Butler Dr | Mon–Fri 09:00–17:00 |
| ECL Civil Engineering Ltd | Civil engineering company | Vanquish House, Wolseley Rd | Mon–Thu 08:30–17:00 |
| EICR Electrical Certification Bedford | Electrical engineer | 7b Hawes Ct | Daily Open 24 hours |