| Pacific Foods | Food processing company | 6 Davy Ave | Mon–Fri 08:30–17:00 |
| Palmers | Butchers | 77 Queensway | Mon–Sat 06:00–17:30 |
| Paprika Store Milton Keynes | Hungarian restaurant | 72 Queensway | Mon–Sat 10:00–18:00 |
| Pastasimo | Takeaway | Unit G, Hub, 9 Mount Avenue(Chefz | Daily 12:00–22:00 |
| Peri Peri Original Wolverton | Health food shop | 25 Stratford Rd | Mon 11:00–00:00 |
| Pets at Home Bletchley | Pet shop | Beacon Retail Park, Watling St | Mon–Fri 09:00–20:00 |
| Phillyz MK | Cheesesteak restaurant | 32 Stratford Rd | Mon–Thu 12:00–23:00 |
| Physiowork- Milton Keynes | Physical therapy clinic | PHYSIOWORK,MK Business Centre Suite 158 | Mon 09:00–19:30 |
| Play Lane Role Play Centre | Indoor playground | 16 Cochran Cl | Mon 09:30–11:30, 15:45–17:45 |
| Potato Hut Ltd | Shop | 24, Silbury Arcade | Mon–Fri 10:00–20:00 |
| Premier | Convenience store | 169 Water Eaton Rd | Mon–Fri 06:00–22:00 |
| Primex Carpet & Upholstery Deep Clean | Carpet cleaning service | 54 Kents Rd | Daily 06:00–23:00 |
| Property Turnover Ltd | Cleaners | 8 Downland | Daily 08:00–18:00 |
| Rainbow Clearances | House clearance service | 122 Windsor St | Daily 08:00–20:00 |
| Rapid Tyre - Mobile Tyre Fitting 24/7 | Tire service | 1-9 Barton Rd | Daily Open 24 hours |
| ReHealth.Me | Holistic medicine practitioner | 35 Blackdown | Daily 11:00–19:00 |
| Rehoboth MK | Gas installation service | 37 Teasel Ave | Mon 09:00–22:00 |
| Remap & Revive | Vehicle tuning service | Morland Dr | Mon 08:30–17:30 |
| Rewind and Renew Skin Clinic | Medical spa | Unit 33, Tan and Beauty Hub, Stanier Square Centre | Mon–Fri 10:00–19:00 |
| River Oaks | Addiction rehabilitation centre | Milton Keynes Business Centre, Foxhunter Dr | Daily Open 24 hours |
| Roma Kintala Wellbeing | Massage therapist | 143b Queensway | Mon–Sat 10:30–19:00 |
| Saint James the Great, Hanslope | Anglican church | The Vicarage, Park Rd | Sun 10:45–13:00 |
| Sattvic Foods | Indian takeaway | 5 Heathfield | Sun 10:00–18:00 |
| Shenley Leisure Centre | Leisure centre | SHENLEY LEISURE CENTRE, Burchard Cres | Mon–Fri 09:00–22:30 |
| Simply Race Milton Keynes | Events venue | Unit G3, Theatre District, 12 Garrick Walk | Mon–Thu 12:00–22:00 |
| Slimming World Stony Stratford Milton Keynes | Weight-loss service | York House Centre, London Rd | Daily Open 24 hours |
| Soapy Suds Launderette | Launderette | MK Marina, Waterside, Peartree Bridge | Mon–Fri 09:00–22:00 |
| Social Pottery Painting & Making MK | Painting studio | 150A Station Rd | Tue 10:30–20:00 |
| Source Leisure Limited | Van accessories shop | Unit 5, Forest Farm | Mon–Tue 09:30–16:30 |
| Spiceloop | Meal delivery | 9 Blundells Rd | Daily 09:00–21:00 |