| 5 | Kingswood Coffee Ltd | Other catering premises | North Kesteven | LN4 |
| 5 | Kirk House | Hospitals/Childcare/Caring Premises | North Kesteven | LN4 3PT |
| 5 | Kirkby la Thorpe C P School | School/college/university | North Kesteven | NG34 9NU |
| 5 | Kisimul - 7 Thorpe Lane | Hospitals/Childcare/Caring Premises | North Kesteven | LN6 9NW |
| 5 | Kitchen 48 | Other catering premises | North Kesteven | LN6 |
| 5 | Kites of Waddington | Takeaway/sandwich shop | North Kesteven | LN5 9SA |
| 5 | Ko Sing | Takeaway/sandwich shop | North Kesteven | LN6 8NH |
| 5 | LCC - Billinghay Childrens Centre | School/college/university | North Kesteven | LN4 4HU |
| 5 | LCC - NORTH HYKEHAM CHILDRENS CENTRE | School/college/university | North Kesteven | LN6 8QZ |
| 5 | LCC - Waddington Childrens Centre | School/college/university | North Kesteven | LN5 9BN |
| 5 | LCC - Washingborough Childrens Centre | School/college/university | North Kesteven | LN4 1BW |
| 5 | LCC - Witham St Hughs Children's Centre | School/college/university | North Kesteven | LN6 9WF |
| 5 | LCC Sleaford Childrens Centre/Family Hub | Other catering premises | North Kesteven | NG34 7TW |
| 5 | LJBAKES | Other catering premises | North Kesteven | LN6 |
| 5 | Lairded | Other catering premises | North Kesteven | NG34 |
| 5 | Lakeside Cafe | Restaurant/Cafe/Canteen | North Kesteven | LN6 9BY |
| 5 | Laura Conway | Other catering premises | North Kesteven | LN5 0EE |
| 5 | Laura's Bake Box | Other catering premises | North Kesteven | NG34 |
| 4 | Leadenham CE Primary Academy | School/college/university | North Kesteven | LN5 0QB |
| 5 | Leadenham Village Hall | Other catering premises | North Kesteven | LN5 0QB |
| 5 | Leasingham St. Andrew's CE Primary School | School/college/university | North Kesteven | NG34 8JS |
| 5 | Leasingham Village Hall | Other catering premises | North Kesteven | NG34 8LD |
| 5 | Lek's Kids Clubs | Hospitals/Childcare/Caring Premises | North Kesteven | LN5 0JJ |
| 5 | Leo's Catering Services Ltd | Restaurant/Cafe/Canteen | North Kesteven | LN6 3QP |
| 5 | Lidl | Retailers - supermarkets/hypermarkets | North Kesteven | NG34 7AQ |
| 5 | Lidl | Retailers - supermarkets/hypermarkets | North Kesteven | LN6 8RA |
| 5 | Lilleys Cafe | Mobile caterer | North Kesteven | LN5 |
| 5 | Lincat | Other catering premises | North Kesteven | LN6 3QZ |
| 5 | Lincoln Antiques Centre | Restaurant/Cafe/Canteen | North Kesteven | LN6 3UA |
| 5 | Lincoln Country Weddings | Other catering premises | North Kesteven | LN6 0SB |
| 5 | Lincoln Golf Centre & Academy Ltd | Restaurant/Cafe/Canteen | North Kesteven | LN6 9BW |
| 5 | Lincoln Water Park | Mobile caterer | North Kesteven | LN6 9BW |
| 5 | Lincolnshire Co-op Billinghay Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN4 4HN |
| 5 | Lincolnshire Co-op Bracebridge Heath Pharmacy | Retailers - supermarkets/hypermarkets | North Kesteven | LN4 2LD |
| 5 | Lincolnshire Co-op Branston Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN4 1LH |
| 5 | Lincolnshire Co-op Heckington Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | NG34 9RA |
| 5 | Lincolnshire Co-op Hykeham Green Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN6 8NH |
| 5 | Lincolnshire Co-op Lincoln Road Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | NG34 8AD |
| 5 | Lincolnshire Co-op Metheringham Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN4 3EA |
| 5 | Lincolnshire Co-op Navenby Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN5 0DZ |
| 5 | Lincolnshire Co-op Newark Road Hykeham Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN6 9NG |
| 5 | Lincolnshire Co-op Ruskington Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | NG34 9DY |
| 5 | Lincolnshire Co-op Skellingthorpe Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN6 5UN |
| 5 | Lincolnshire Co-op Washingborough Food Store | Retailers - supermarkets/hypermarkets | North Kesteven | LN4 1DQ |
| 5 | Lincolnshire Co-op Witham St Hughs Food Store | Retailers - other | North Kesteven | LN6 9WF |
| 5 | Lincolnshire Gluten Free Bakes | Other catering premises | North Kesteven | LN5 |
| 5 | Lincolnshire Secure Unit Catering | Hospitals/Childcare/Caring Premises | North Kesteven | NG34 7TY |
| 5 | Lincolnshire Smokehouse | Other catering premises | North Kesteven | NG34 |
| 5 | Lincolnshire Vintage Vehicle Society | Restaurant/Cafe/Canteen | North Kesteven | LN6 3QT |
| 5 | Lincolnshire event catering ltd | Mobile caterer | North Kesteven | LN5 9NT |