| 1826 | HANSARD FUND MANAGERS LTD |
| 1827 | HANSON CAPITAL INVESTMENTS LIMITED |
| 1828 | HARBOURVEST PARTNERS (U.K.) LIMITED |
| 1829 | HARGREAVE HALE LTD |
| 1830 | HARLOW (LONDON) LIMITED |
| 1831 | HARMSWORTH PENSION INVESTMENT MANAGEMENT |
| 1832 | HARRIS WILLIAMS AND CO LTD |
| 1833 | HARRISON LOVEGROVE AND CO. LIMITED |
| 1834 | HARRODS BANK LIMITED |
| 1835 | HAVIN BANK LTD |
| 1836 | HAWKPOINT PARTNERS LIMITED |
| 1837 | HAYFIN CAPITAL MANAGEMENT LLP |
| 1838 | HAYMARKET FINANCIAL LLP |
| 1839 | HAYWOOD SECURITIES UK LIMITED |
| 1840 | HAZEL CAPITAL LLP |
| 1841 | HB MARKETS PLC |
| 1842 | HBK EUROPE LIMITED |
| 1843 | HBK EUROPE MANAGEMENT LLP |
| 1844 | HEADSTART ADVISERS LTD |
| 1845 | HEALEY AND BAKER CORPORATE FINANCE LIMITED |
| 1846 | HEALEY BAKER FINANCIAL SERVICES LTD |
| 1847 | HED CAPITAL LTD |
| 1848 | HEDGE FUND MARKETING LIMITED |
| 1849 | HELABA FINANCIAL FUTURES LTD |
| 1850 | HELIX ASSOCIATES LIMITED |