- HOLDERNESS COMMUNITY CHURCHRegisteredNo. 514409£25kHU18 1RW
- 1ST HORNSEA SCOUT GROUPRegisteredNo. 524659£15kHU18 1TF
- HORNSEA MUSIC SOCIETYRegisteredNo. 1027728£5kHU18 1BL
- HORNSEA MUSIC FESTIVAL SOCIETYRegisteredNo. 1037917£4kHU18 1TS
- HORNSEA PENTECOSTAL CHURCHRegisteredNo. 1051950£11kHU18 1TN
- NORTH HOLDERNESS COMMUNITY TRANSPORT LTDRegisteredNo. 1105145£654kHU18 1JB
- ACROSS COUNTRYRegisteredNo. 1108983£1kHU18 1AB
- THE PAROCHIAL CHURCH COUNCIL OF THE ECCLESIASTICAL PARISH OF ST NICHOLAS, HORNSEA.RegisteredNo. 1132888£134kHU18 1AB
- FRIENDS OF HORNSEA COMMUNITY PRIMARY SCHOOLRegisteredNo. 1154945£2kHU18 1HF
- HORNSEA INSHORE RESCUERegisteredNo. 1154954£96kHU18 1TF
- HORNSEA FIRST AID CENTRERegisteredNo. 1178210£6kHU18 1NQ
- THE NORTH HOLDERNESS MUSEUM OF VILLAGE LIFE (HORNSEA MUSEUM)RegisteredNo. 1181231£44kHU18 1AB