| Fitzgeralds Interiors | Fitted furniture supplier | 7 Waters Edge | Mon–Tue 08:00–18:00 |
| Fleet-Serv | Vehicle repair shop | Unit 1, Crusader Court, Eagle Business Park, Harrier Wy | Mon–Fri 08:30–17:00 |
| Flo-Mech Ltd Head Office | Food processing equipment | Flo-Mech House, Paxton Rd | Mon–Fri 08:30–17:00 |
| Flori Aesthetics | Medical spa | 9 Market St | Daily 09:00–20:00 |
| Flush wellness | Holistic medicine practitioner | 118 High St | Mon 09:00–18:00 |
| Fone World Peterborough | Mobile phone repair shop | 10 Queensgate Centre | Mon–Sat 09:00–18:00 |
| Forensic Video Services | Legal services | Eco Innovation Centre Peterscourt, City Rd | Mon–Fri 09:00–17:00 |
| Fortune Electrical | Electrical installation service | Unit 14 Culley Ct | Daily Open 24 hours |
| Friar Tuck'S Of Yaxley | Fish & chips shop | 189 Broadway | Mon 16:00–20:00 |
| Future Baby 4d scanning Clinic Peterborough | Medical diagnostic imaging centre | 6, The Forum, Minerva Business Park Lynch Wood | Mon 14:00–19:00 |
| Galaxy of Homes | Property investment | 28, Tesla Court Innovation Way | Mon–Fri 08:30–17:30 |
| Garden Sauna Ltd | Sauna shop | New Barn Farm, King's Delph Drove | Mon–Sat 08:00–18:00 |
| General & Medical Healthcare | Insurance agency | 56a Napier Pl | Mon–Fri 08:45–17:15 |
| General Construction Equipment Hire Fleet Ltd | Equipment rental agency | 37 Aaron Rd Industrial Est, Station Rd | Mon 08:00–17:00 |
| George Peterborough | Clothing shop | Brotherhood Shopping Park, Lincoln Rd | Mon–Sat 09:00–20:00 |
| Get A Builder Ltd | Building firm | 55 Harmony Grove, Hampton Gardens | Thu 08:00–18:00 |
| Ghl Direct | Mortgage broker | Brightfield Business Hub, Bakewell Rd | Mon–Fri 08:00–20:00 |
| Gladwells Pet & Country Store | Pet care store | 12 Brassey Cl | Mon–Sat 08:30–17:30 |
| Go Displays | Manufacturer | Rap Industries, Enterprise House, Enterprise Business Park, Trent Wy | Mon–Fri 09:00–17:00 |
| Goldhay Arts | Art centre | Unit 34-36, Orton Gate Shopping Centre | Mon–Fri 09:00–16:00 |
| Goldie Lux Event Decor | Balloon artist | Hanbury | Mon–Fri 07:30–19:30 |
| Grafixbiz | Advertising agency | 8 Venus Wy | Mon 09:00–17:00 |
| Grant Ceilings & Interiors Ltd. | Interior construction contractor | 40 Buttercream Dr | Mon–Fri 08:00–17:00 |
| Greenacres Health (Forward Focus Hypnotherapy) | Hypnotherapy service | Greenacres Health, 4 Westbourne Dr | Mon–Fri 09:30–18:00 |
| Greenhow Scaffolding Ltd | Scaffolding service | Conquest Drove | Daily Open 24 hours |
| Greg Lompert Photography | Photography service | The Dell | Mon–Sat 09:00–17:00 |
| Groom & Butler | Waxing hair-removal service | 62 Westbrook Park Rd | Thu–Fri 09:00–21:00 |
| Grosvenor Flooring | Flooring shop | 16 Queen St | Mon–Fri 10:00–16:00 |
| Guardian Surveyors LLP | Surveyor | 1 Milton Rd | Mon–Fri 09:00–17:00 |
| Gutter Solutions Ltd | Gutter cleaning service | Unit 7 Godric Square | Mon–Fri 08:00–20:00 |