| 4 | Olives And Things | Retailers - other | Winchester City | SO21 1LT |
| 5 | On The Way | Restaurant/Cafe/Canteen | Winchester City | SO21 1DY |
| 3 | Otterbourne Care | Hospitals/Childcare/Caring Premises | Winchester City | SO21 2EQ |
| 4 | Otterbourne Grange Residential Home | Hospitals/Childcare/Caring Premises | Winchester City | SO21 2HZ |
| 5 | Otterbourne House | Hospitals/Childcare/Caring Premises | Winchester City | SO21 2BB |
| 5 | Otterbourne Primary School | School/college/university | Winchester City | SO21 2EQ |
| 5 | Owslebury Primary School | School/college/university | Winchester City | SO21 1LS |
| 5 | Paint Pots Barton Stacey | Hospitals/Childcare/Caring Premises | Test Valley | SO21 3RY |
| Awaiting | Patch Coffee Co | Mobile caterer | Winchester City | SO21 |
| 5 | Phoenix Inn | Pub/bar/nightclub | Winchester City | SO21 1RF |
| 5 | Platform 1 | Restaurant/Cafe/Canteen | Winchester City | SO21 2AA |
| 4 | Popham Airfield Cafe | Restaurant/Cafe/Canteen | Basingstoke and Deane | SO21 3BD |
| 5 | Pret A Manger (Moto Hospitality Ltd) | Restaurant/Cafe/Canteen | Winchester City | SO21 1PP |
| 5 | Princes Mead School | School/college/university | Winchester City | SO21 1AN |
| 5 | RAFA Kidz Worthy Down | Hospitals/Childcare/Caring Premises | Winchester City | SO21 2RG |
| 5 | Radhabakes | Manufacturers/packers | Winchester City | SO21 2RD |
| 5 | Rebaker_wu | Manufacturers/packers | Winchester City | SO21 1QQ |
| 5 | Reilly Cakes | Other catering premises | Winchester City | SO21 |
| 5 | Richard's Hogroast And Outside Catering | Mobile caterer | Test Valley | SO21 |
| 5 | Rising Sun | Pub/bar/nightclub | Winchester City | SO21 1SB |
| 4 | River Bean And Bar | Restaurant/Cafe/Canteen | Winchester City | SO21 1NH |
| 5 | Riverford Organic Farmers | Retailers - other | Winchester City | SO21 3QF |
| 5 | Routes Coffee Limited | Mobile caterer | Winchester City | SO21 3EB |
| 5 | Sarah Pickup | Manufacturers/packers | Winchester City | SO21 |
| 5 | Serenity Path Hospital And Blake Day Centre | Hospitals/Childcare/Caring Premises | Winchester City | SO21 1HD |
| Awaiting | Seru Coffee Limited | Mobile caterer | Winchester City | SO21 1QS |
| 5 | Shawford Springs Care Home | Hospitals/Childcare/Caring Premises | Winchester City | SO21 2RT |
| 5 | Shepherds Down Special School | School/college/university | Winchester City | SO21 2AJ |
| Exempt | Skin Solutions By Deborah | Retailers - other | Winchester City | SO21 |
| 5 | Soall Smoke & Flame | Mobile caterer | Winchester City | SO21 |
| Awaiting | Soutars Bakes | Other catering premises | Test Valley | SO21 |
| Awaiting | South Lynch Estate Ltd AKA Wild Lady | Farmers/growers | Winchester City | SO21 2JH |
| 3 | South Wonston Day Nursery | Hospitals/Childcare/Caring Premises | Winchester City | SO21 3EP |
| 5 | South Wonston Social Club | Pub/bar/nightclub | Winchester City | SO21 3EU |
| 5 | South Wonston Stores And Post Office | Retailers - other | Winchester City | SO21 3EH |
| Exempt | Sparsholt College Game And Wildlife Centre | Farmers/growers | Winchester City | SO21 2NF |
| 5 | Sparsholt College Shop | Retailers - other | Winchester City | SO21 2NF |
| 5 | Sparsholt College Wessex Conference Centre | Other catering premises | Winchester City | SO21 2NF |
| 5 | Sparsholt Cricket Club | Pub/bar/nightclub | Winchester City | SO21 2LU |
| 5 | Sparsholt Village Shop And Post Office | Retailers - other | Winchester City | SO21 2NR |
| 5 | Sporting Wessex Sports Club | Restaurant/Cafe/Canteen | Winchester City | SO21 2ED |
| 5 | St Swithuns School | School/college/university | Winchester City | SO21 1HA |
| 5 | Starbucks At A303 Popham Services Westbound | Restaurant/Cafe/Canteen | Basingstoke and Deane | SO21 3SP |
| 5 | Starbucks At Eurogarages A303 Popham Eastbound | Restaurant/Cafe/Canteen | Basingstoke and Deane | SO21 3BD |
| 5 | Starbucks Coffee | Restaurant/Cafe/Canteen | Winchester City | SO21 2FT |
| 5 | Stone, Vine And Sun | Retailers - other | Winchester City | SO21 1QA |
| 5 | Stones Catering Ltd At Masonic Hall | Restaurant/Cafe/Canteen | Winchester City | SO21 1HB |
| 5 | Sutton Manor Nursing Home | Hospitals/Childcare/Caring Premises | Winchester City | SO21 3JX |
| 5 | Sutton Scotney And Bullington Lunch Club (2nd Monday) | Other catering premises | Winchester City | SO21 3JG |
| 5 | Sweetly Baked | Manufacturers/packers | Winchester City | SO21 |