| SL5688 | ARBIN-DAVIS Steven | Nook Lane Junior School PFA | 18/11/2010 | 01/01/2011 | indefinite |
| SL5853 | APPLEBY Graham | Rivelin Valley Conservation Group | 23/11/2010 | 01/01/2011 | indefinite |
| SL5922 | ANNS GROVE PRIMARY SCHOOL PTA | Anns Grove Primary School | 18/11/2025 | 01/12/2014 | indefinite |
| SL4906 | ANDERSON M | Dore Parents Association | 29/11/2010 | 01/01/2011 | indefinite |
| SL5845 | AMY'S RETREAT | Amy's Retreat | 05/03/2012 | 01/01/2012 | indefinite |
| SL6643 | ALVEY Shaun David | Sheffield United Disabled Supporters Club | 06/03/2026 | 06/03/2026 | indefinite |
| SL5933 | ALLISON Lydia | S.C.O.F.F. | 29/11/2010 | 01/01/2011 | indefinite |
| SL5961 | ALLEN Tracy | Intake Preschool | 01/01/2008 | 01/01/2008 | indefinite |
| SL5850 | ALKER Adrian | Broomhill Festival Committee | 23/11/2007 | 01/01/2008 | indefinite |
| SL6623 | AITKEN Katie | St Ann's Catholic Church | 09/09/2025 | 09/09/2025 | indefinite |