| 4 | Mr Pizza | Takeaway/sandwich shop | Halton | WA7 5EJ |
| 5 | Mrs Squires Cakes and Preserves | Other catering premises | Halton | WA4 |
| Exempt | Murdishaw Pharmacy | Retailers - other | Halton | WA7 6ES |
| 5 | Murdishaw Play Building | School/college/university | Halton | WA7 6JW |
| 4 | Murdishaw Supper Bar | Takeaway/sandwich shop | Halton | WA7 6ER |
| 5 | Murdishaw West Community Primary Breakfast Club | School/college/university | Halton | WA7 6EP |
| 5 | Murdishaw West Community Primary School Orian Catering | School/college/university | Halton | WA7 6EP |
| 5 | Murdishaw West Pre-School C/o Murdishaw Primary School | Hospitals/Childcare/Caring Premises | Halton | WA7 6EP |
| 5 | My Happy Place Bakes | Retailers - other | Halton | WA7 |
| 5 | My Local | Retailers - other | Halton | WA8 6HQ |
| Awaiting | Mya's Angels Morris Dancing | Other catering premises | Halton | WA7 1XU |
| Exempt | NK Provisions Ltd | Distributors/Transporters | Halton | WA88RA |
| 5 | Nando's | Restaurant/Cafe/Canteen | Halton | WA8 0TA |
| Awaiting | Narita Pizza | Takeaway/sandwich shop | Halton | WA8 7JR |
| 4 | Neha's Pizza (Mobile Food Unit) | Mobile caterer | Halton | WA8 7DX |
| Awaiting | Neptune Greek Grill | Restaurant/Cafe/Canteen | Halton | WA7 1LD |
| 5 | Netty's Kitchen (at The Mersey Hotel) | Other catering premises | Halton | WA8 0DT |
| 5 | New Inn | Pub/bar/nightclub | Halton | WA8 8PZ |
| Exempt | New Look | Retailers - other | Halton | WA7 2GX |
| 3 | New Star Chinese Takeaway | Takeaway/sandwich shop | Halton | WA8 6JS |
| 5 | News Rack 2 | Retailers - other | Halton | WA8 6JA |
| 5 | Newtown Convenience Store | Retailers - other | Halton | WA8 6DH |
| Exempt | Next | Retailers - other | Halton | WA8 7TN |
| 5 | Nicolas Sandwich Bar | Restaurant/Cafe/Canteen | Halton | WA8 8TL |
| 5 | No 58 Coffee Shop | Other catering premises | Halton | WA7 1AW |
| 3 | Noble House | Takeaway/sandwich shop | Halton | WA8 8QA |
| 4 | Northwest Vending - B&M Distribution Centre | Retailers - other | Halton | WA7 1SE |
| 5 | Northwest Vending - NHS Supply Chain | Retailers - other | Halton | WA8 0ZU |
| 5 | Norton Arms Hotel | Pub/bar/nightclub | Halton | WA7 2AD |
| 4 | Norton Lodge Residential Home | Hospitals/Childcare/Caring Premises | Halton | WA7 6QA |
| 4 | OCS Food Company | Restaurant/Cafe/Canteen | Halton | WA7 1NT |
| 5 | OCS at Tesco Widnes (Staff Canteen) | Restaurant/Cafe/Canteen | Halton | WA8 0PB |
| 5 | Oakfield Community Nursery School and Supported Classroom | Hospitals/Childcare/Caring Premises | Halton | WA8 8BQ |
| 5 | Oakfield Community Primary School - Orian Catering | School/college/university | Halton | WA8 8BQ |
| 5 | Oakmeadow | Hospitals/Childcare/Caring Premises | Halton | WA8 6TJ |
| 5 | Oasis Recovery Communities Ltd. | Hospitals/Childcare/Caring Premises | Halton | WA7 1BY |
| 5 | Olive Tree Catering | Other catering premises | Halton | WA71RS |
| Awaiting | Olivers Cafe and Bistro | Other catering premises | Halton | WA8 5UP |
| 4 | Olivers Fruit & Veg | Retailers - other | Halton | WA8 6UE |
| 5 | Ollys Pit Stop | Restaurant/Cafe/Canteen | Halton | WA8 8UU |
| 5 | One Below | Retailers - other | Halton | WA8 6JW |
| 5 | Optimum Fitness | Retailers - other | Halton | WA8 8TL |
| 5 | Oriental Diamond | Retailers - other | Halton | WA8 6UE |
| 4 | Ormiston Bolingbroke Academy - Aspens | School/college/university | Halton | WA7 6EP |
| 4 | Ormiston Chadwick Academy - Aspens | School/college/university | Halton | WA8 7HU |
| 5 | Our Lady Mother of The Saviour Primary School - Orian Catering | School/college/university | Halton | WA7 2TP |
| 5 | Our Lady Mother of the Saviour School Breakfast Club | Hospitals/Childcare/Caring Premises | Halton | WA7 2TP |
| 5 | Our Lady Of Perpetual Succour Catholic Primary School - Orian Catering | School/college/university | Halton | WA8 8JN |
| 5 | Our Lady's First Steps Pre-School | Hospitals/Childcare/Caring Premises | Halton | WA8 8JN |
| 5 | Palace Fields Primary Academy - Cater Link | School/college/university | Halton | WA7 2QW |