| 5 | Manton House Nursing Home | Hospitals/Childcare/Caring Premises | King's Lynn and West Norfolk | PE30 2QG |
| 5 | Market Place Convenience | Retailers - other | King's Lynn and West Norfolk | PE30 5DQ |
| 5 | Marks & Spencer | Retailers - supermarkets/hypermarkets | King's Lynn and West Norfolk | PE30 1AY |
| 5 | Marleys Cafe Ltd | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 3UG |
| 5 | Marriotts Warehouse Ltd | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 5DT |
| 5 | Mathooz Kitchen | Other catering premises | King's Lynn and West Norfolk | PE30 |
| 5 | Maya Bistro | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 1DT |
| 5 | McDonalds | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 4YN |
| 5 | McDonalds | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 1AY |
| 5 | McQueens Dairies | Distributors/Transporters | King's Lynn and West Norfolk | PE30 4YR |
| 5 | Megs Cakeaway | Other catering premises | King's Lynn and West Norfolk | PE30 |
| 5 | Mei Tea | Takeaway/sandwich shop | King's Lynn and West Norfolk | PE30 |
| 5 | Mem's Kitchen | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 5DQ |
| 5 | Mem's Kitchen | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 1AY |
| Exempt | Merkur Slots | Other catering premises | King's Lynn and West Norfolk | PE30 1ER |
| 5 | Methodist Church | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 5PT |
| 5 | Miam Miam Bakes | Other catering premises | King's Lynn and West Norfolk | PE30 |
| 1 | Miami Fried Chicken | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 1AQ |
| 5 | Mila Shop | Retailers - other | King's Lynn and West Norfolk | PE30 1AQ |
| 4 | Millfleet Convenience Store | Retailers - other | King's Lynn and West Norfolk | PE30 5EG |
| 5 | Mojitos Lounge | Pub/bar/nightclub | King's Lynn and West Norfolk | PE30 1DP |
| 5 | Morrisons Daily | Retailers - other | King's Lynn and West Norfolk | PE30 4SR |
| 5 | Morrisons Daily Kings Lynn | Retailers - other | King's Lynn and West Norfolk | PE30 1QB |
| 5 | Mr Bees (Springwood) | Hospitals/Childcare/Caring Premises | King's Lynn and West Norfolk | PE30 4AW |
| 5 | Mr Bees Family Centre | Hospitals/Childcare/Caring Premises | King's Lynn and West Norfolk | PE30 2ND |
| 5 | Mr Softee@Lynn | Mobile caterer | King's Lynn and West Norfolk | PE30 |
| 5 | Mrs K Bakes & Cakes | Other catering premises | King's Lynn and West Norfolk | PE30 |
| 4 | N & N Convenience Store | Retailers - other | King's Lynn and West Norfolk | PE30 3AD |
| 5 | Nan's Pantry Ltd | Takeaway/sandwich shop | King's Lynn and West Norfolk | PE30 2DD |
| 5 | Nando's Chickenland Ltd | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 1AY |
| 5 | New China | Takeaway/sandwich shop | King's Lynn and West Norfolk | PE30 5ES |
| 4 | New Lowes | Takeaway/sandwich shop | King's Lynn and West Norfolk | PE30 4PR |
| 5 | Next Thing Education Camps Ltd | Other catering premises | King's Lynn and West Norfolk | PE30 3PT |
| 5 | Nip And Growler | Pub/bar/nightclub | King's Lynn and West Norfolk | PE30 1AY |
| 5 | Nirav Convenience Store | Retailers - other | King's Lynn and West Norfolk | PE30 4RJ |
| 5 | Nisa Local | Retailers - other | King's Lynn and West Norfolk | PE30 2LA |
| 5 | No. 32 | Other catering premises | King's Lynn and West Norfolk | PE30 |
| 5 | Norburys | Other catering premises | King's Lynn and West Norfolk | PE30 1BE |
| 5 | Norfolk Cakes And Bakes | Other catering premises | King's Lynn and West Norfolk | PE30 |
| 5 | Norfolk Sweet Shop | Retailers - other | King's Lynn and West Norfolk | PE30 |
| 5 | Norma's Kitchen | Mobile caterer | King's Lynn and West Norfolk | PE30 |
| 5 | Norse At Fairstead Community Primary School | School/college/university | King's Lynn and West Norfolk | PE30 4RR |
| 5 | Norse At South Wootton Infant School | School/college/university | King's Lynn and West Norfolk | PE30 3LJ |
| 5 | North End Trust | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 1QW |
| 5 | North Lynn Food Hub | Retailers - other | King's Lynn and West Norfolk | PE30 2DZ |
| 5 | North Lynn Food Hub | Retailers - other | King's Lynn and West Norfolk | PE30 2DU |
| 5 | North Wootton Academy | School/college/university | King's Lynn and West Norfolk | PE30 3PT |
| 5 | North Wootton Pre School | Hospitals/Childcare/Caring Premises | King's Lynn and West Norfolk | PE30 3TE |
| 5 | Novus Restaurant And Cafe | School/college/university | King's Lynn and West Norfolk | PE30 2QW |
| 4 | O Portugues | Restaurant/Cafe/Canteen | King's Lynn and West Norfolk | PE30 5QH |