| 5 | Sara's Cakes & Bakes | Other catering premises | North Kesteven | LN6 |
| 3 | Scoffers | Takeaway/sandwich shop | North Kesteven | NG34 8AD |
| 5 | Scooby's | Mobile caterer | North Kesteven | NG34 |
| 5 | Scredington Community Centre | Other catering premises | North Kesteven | NG34 0AG |
| 5 | Scrumptious Bakes and Cupcakes | Other catering premises | North Kesteven | LN4 |
| 5 | Shedload of Bakes | Other catering premises | North Kesteven | LN6 |
| 5 | Shugs Sweets | Other catering premises | North Kesteven | LN4 |
| 5 | Silver Spoon | Restaurant/Cafe/Canteen | North Kesteven | NG34 7RR |
| 5 | Sir Robert Pattinson Academy | School/college/university | North Kesteven | LN6 9AF |
| 5 | Sir William Robertson Academy | School/college/university | North Kesteven | LN5 0PA |
| 5 | Sisters Traditional Fish and Chips | Takeaway/sandwich shop | North Kesteven | LN6 9YH |
| 5 | Sistersthatcake | Other catering premises | North Kesteven | LN4 |
| 5 | Skellingthorpe St Lawrence CE Primary School | School/college/university | North Kesteven | LN6 5UZ |
| 5 | Skellingthorpe The Holt Primary School | School/college/university | North Kesteven | LN6 5XJ |
| 5 | Skelly Pizza | Takeaway/sandwich shop | North Kesteven | LN6 5TA |
| 5 | Sleaford & District Legionnaires Club | Pub/bar/nightclub | North Kesteven | NG34 7RZ |
| 5 | Sleaford Community Grocers Shop & Cafe | Retailers - other | North Kesteven | NG34 7PD |
| 5 | Sleaford Day Nursery | School/college/university | North Kesteven | NG34 7AP |
| Awaiting | Sleaford Funhouse | Restaurant/Cafe/Canteen | North Kesteven | NG34 7SR |
| 5 | Sleaford Golf Club | Pub/bar/nightclub | North Kesteven | NG34 8PL |
| 5 | Sleaford Hall Care Home | Hospitals/Childcare/Caring Premises | North Kesteven | NG34 7DZ |
| 5 | Sleaford Indoor Bowls Club | Pub/bar/nightclub | North Kesteven | NG34 7HL |
| 5 | Sleaford International Market Ltd | Retailers - supermarkets/hypermarkets | North Kesteven | NG34 7RY |
| Exempt | Sleaford Little Theatre | Restaurant/Cafe/Canteen | North Kesteven | NG34 7PP |
| 5 | Sleaford Manor | Hospitals/Childcare/Caring Premises | North Kesteven | NG34 6AR |
| 5 | Sleaford New Life Preschool | School/college/university | North Kesteven | NG34 7JP |
| 5 | Sleaford Road Service Station | Retailers - other | North Kesteven | LN4 2NA |
| 5 | Sleaford Rugby Club Ltd | Pub/bar/nightclub | North Kesteven | NG34 8SP |
| Exempt | Sleaford Travelodge | Hotel/bed & breakfast/guest house | North Kesteven | NG34 8NP |
| Exempt | Slimming World | Other catering premises | North Kesteven | LN5 |
| 5 | Slimming World (Tammie Richards) | Other catering premises | North Kesteven | LN4 |
| 5 | Slimming World - Helen Taff | Retailers - other | North Kesteven | LN6 |
| 5 | Slimming World - Iveta Young | Other catering premises | North Kesteven | NG34 |
| 5 | Slimming World - Karen Brine | Other catering premises | North Kesteven | LN4 |
| 5 | Slimming World - Penny Harris | Other catering premises | North Kesteven | LN4 |
| 5 | Slimming World - Rebecca Farmer | Other catering premises | North Kesteven | NG34 |
| Exempt | Small Beer Ltd | Retailers - other | North Kesteven | LN4 2NL |
| Awaiting | Soma | Restaurant/Cafe/Canteen | North Kesteven | NG34 7PD |
| 5 | Sophie's Brownies | Other catering premises | North Kesteven | NG34 |
| 5 | South Hykeham Community Primary School | School/college/university | North Kesteven | LN6 9PG |
| 5 | South Kyme Golf Club | Pub/bar/nightclub | North Kesteven | LN4 4AT |
| Exempt | South View Farm | Retailers - other | North Kesteven | NG34 8RU |
| 5 | Spar | Retailers - supermarkets/hypermarkets | North Kesteven | LN4 1JS |
| 5 | Spar Harvest Waddington | Retailers - other | North Kesteven | LN5 9NT |
| 5 | Spar at (DC Baxter) | Retailers - supermarkets/hypermarkets | North Kesteven | NG34 9AB |
| 5 | Spar-Harvest-Leadenham | Retailers - other | North Kesteven | LN5 0PL |
| 5 | Spire Coffee Shop | Restaurant/Cafe/Canteen | North Kesteven | NG34 9SS |
| 5 | Spring Chinese Takeaway | Takeaway/sandwich shop | North Kesteven | LN4 1DQ |
| 5 | Square Meals | Other catering premises | North Kesteven | NG34 7PG |
| 5 | St Andrews Nursing Home | Hospitals/Childcare/Caring Premises | North Kesteven | NG34 9PL |