| 5 | Hayley's Cakes | Other catering premises | Swindon | SN3 |
| 5 | Highworth B & B | Hotel/bed & breakfast/guest house | Swindon | SN3 4QL |
| 5 | Hjälpande Händer Catering | Mobile caterer | Swindon | SN3 |
| Exempt | Hobbycraft | Retailers - other | Swindon | SN3 4ES |
| 5 | Holiday Inn Swindon | Hotel/bed & breakfast/guest house | Swindon | SN3 6AA |
| 5 | Hollywood Bowl / The Original Bowling Company | Restaurant/Cafe/Canteen | Swindon | SN3 3SQ |
| 5 | Holy Cross Catholic Primary School | School/college/university | Swindon | SN3 1AR |
| 5 | Holy Family Catholic Primary / Nursery School | School/college/university | Swindon | SN3 2PT |
| 5 | Holy Rood Catholic Primary School (Aspens Services Ltd) | School/college/university | Swindon | SN3 1DH |
| 5 | Home Bargains | Retailers - supermarkets/hypermarkets | Swindon | SN3 4NS |
| 5 | Homesense | Retailers - other | Swindon | SN3 3SG |
| 5 | Howellers Cafe | Restaurant/Cafe/Canteen | Swindon | SN3 1RG |
| 5 | IBakecake | Other catering premises | Swindon | SN3 |
| Awaiting | Indian Masalla House | Other catering premises | Swindon | SN3 |
| 4 | Interhaul (Swindon) Ltd | Distributors/Transporters | Swindon | SN3 4TG |
| Awaiting | Itex Food Ltd | Distributors/Transporters | Swindon | SN3 3LL |
| 5 | JTS Chocolate Bouquets And Personalised Gifts | Other catering premises | Swindon | SN3 |
| 4 | Jamdown Fusion Street Foods / Patty Queen | Other catering premises | Swindon | SN3 |
| 4 | Jeffs Fish / The Codfather | Mobile caterer | Swindon | SN3 |
| 4 | Jesters | Pub/bar/nightclub | Swindon | SN3 3JD |
| 5 | Joe's Whippy Ice Cream | Mobile caterer | Swindon | SN3 |
| 5 | Johnnys SA Treats | Retailers - other | Swindon | SN3 4WA |
| 5 | Jolly Roger Adventure Ltd | Restaurant/Cafe/Canteen | Swindon | SN3 3JG |
| 5 | Joofalicious | Other catering premises | Swindon | SN3 |
| 5 | Just For Fun Holiday Club - Goddard Park | Hospitals/Childcare/Caring Premises | Swindon | SN3 2QN |
| 5 | Just For Fun Holiday Club - Grange Junior School | Hospitals/Childcare/Caring Premises | Swindon | SN3 4JY |
| 5 | Just For Fun Holiday Club - Holy Cross | Hospitals/Childcare/Caring Premises | Swindon | SN3 1AR |
| 5 | KFC Drive Thru | Takeaway/sandwich shop | Swindon | SN3 3SQ |
| 4 | Karmen's Cakes | Other catering premises | Swindon | SN3 |
| 5 | Kate's Cakes | Other catering premises | Swindon | SN3 |
| 5 | Kays Castles And Leisure | Other catering premises | Swindon | SN3 |
| 5 | Kelly's Cake Creations | Other catering premises | Swindon | SN3 |
| 5 | Kids Create Nursery School | Hospitals/Childcare/Caring Premises | Swindon | SN3 4XE |
| 5 | Kingsdown Fish And Burger Bar | Takeaway/sandwich shop | Swindon | SN3 4UA |
| 5 | LHRB LIMITED | Mobile caterer | Swindon | SN3 |
| 5 | Lainesmead Primary School | School/college/university | Swindon | SN3 1EA |
| 4 | Lauras Cakes | Other catering premises | Swindon | SN3 |
| 5 | Lauren's Bakes | Other catering premises | Swindon | SN3 |
| 5 | Lawn Nursery & Primary School | School/college/university | Swindon | SN3 1LE |
| 5 | Lawn Primary Wrap Around School Care | Hospitals/Childcare/Caring Premises | Swindon | SN3 1LE |
| 4 | Lee Tim Fish Bar | Takeaway/sandwich shop | Swindon | SN3 4AW |
| 5 | Liden Academy | School/college/university | Swindon | SN3 6EX |
| 5 | Liden Community Centre Bar Ltd | Other catering premises | Swindon | SN3 6HP |
| 5 | Liden Pizza & Kebab Ltd | Takeaway/sandwich shop | Swindon | SN3 6HP |
| 5 | Lidl | Retailers - supermarkets/hypermarkets | Swindon | SN3 3SG |
| 5 | Linda Firth | Other catering premises | Swindon | SN3 |
| 5 | Little Pioneers | Hospitals/Childcare/Caring Premises | Swindon | SN3 6BB |
| 5 | Lloyd's No. 1 Dockle Farmhouse | Pub/bar/nightclub | Swindon | SN3 4PD |
| 4 | Londis (Stratton Convenience Store) | Retailers - other | Swindon | SN3 4PW |
| 5 | Londis Marlborough Road (Shell Garage Service Station) | Retailers - other | Swindon | SN3 1NP |