| 276 | ATLAS CAPITAL LIMITED |
| 277 | ATLAS ONE FINANCIAL GROUP LTD |
| 278 | AUREL BGC |
| 279 | AURUM FUNDS LIMITED |
| 280 | AUSTRALIA AND NEW ZEALAND BANKING GROUP LIMITED |
| 281 | AUTOMAT SECURITIES LIMITED |
| 282 | AUTONOMOUS LLP |
| 283 | AVALON CAPITAL PARTNERS LIMITED |
| 284 | AVEBURY ASSET MANAGEMENT LIMITED |
| 285 | AVENTICUM CAPITAL MANAGEMENT (UK) LLP |
| 286 | AVENUE EUROPE MANAGEMENT LLP |
| 287 | AVIATE FUTURES LLP |
| 288 | AVIATE GLOBAL (ASIA) LIMITED |
| 289 | AVIATE GLOBAL LLP |
| 290 | AVIOR CAPITAL MARKETS INT LTD |
| 291 | AVIVA INTERNATIONAL INSURANCE LIMITED |
| 292 | AVIVA INVESTORS FUND SERVICES LIMITED |
| 293 | AVIVA INVESTORS GLOBAL SERVICES LIMITED |
| 294 | AVIVA INVESTORS HOLDINGS LIMITED |
| 295 | AVIVA INVESTORS PENSIONS LIMITED |
| 296 | AVIVA INVESTORS UK FUND SERVICES LIMITED |
| 297 | AVIVA INVESTORS UK FUNDS LIMITED |
| 298 | AVUS CAPITAL UK LIMITED |
| 299 | AWAX LTD |
| 300 | AXA FRAMLINGTON INVESTMENT TRUST SERVICES LIMITED |