| 🥇 | PRINCIPAL FINANCIAL SERVICES V (UK) LTD | 100Excellent | #14 | – 0.0 | London |
| 🥈 | PARTNERSHIP LIFE ASSURANCE COMPANY LIMITED | 100Excellent | #15 | New | South East |
| 🥉 | INTERBAY ML, LTD | 100Excellent | #17 | – 0.0 | South East |
| #4 | COVEA INSURANCE PLC | 100Excellent | #7 | – 0.0 | Yorkshire and The Humber |
| #5 | PREMIER FUND MANAGERS LIMITED | 100Excellent | #23 | New | South East |
| #6 | FIRST SENTIER INVESTORS INTERNATIONAL IM LIMITED | 100Excellent | #4 | ↑ 43.2 | Scotland |
| #7 | SANTANDER CONSUMER (UK) PLC | 100Excellent | #11 | – 0.0 | South East |
| #8 | HYUNDAI CAPITAL UK LIMITED | 100Excellent | #12 | ↑ 0.3 | South East |
| #9 | NRAM LIMITED | 100Excellent | #35 | ↑ 5.8 | Yorkshire and The Humber |
| #10 | ARCH SYNDICATE INVESTMENTS LTD | 100Excellent | #37 | – 0.0 | London |
| #11 | SANDERSON ASSET MANAGEMENT LLP | 100Excellent | #42 | – 0.0 | West Midlands |
| #12 | TOYOTA FINANCIAL SERVICES (UK) PLC | 100Excellent | #43 | ↑ 0.3 | South East |
| #13 | TRANSRE LONDON LIMITED | 100Excellent | #47 | – 0.0 | London |
| #14 | LAND SECURITIES CAPITAL MARKETS PLC | 100Excellent | #50 | – 0.0 | London |
| #15 | AKO CAPITAL LLP | 100Excellent | #20 | – 0.0 | London |
| #16 | SILCHESTER INTERNATIONAL INVESTORS LLP | 100Excellent | #62 | – 0.0 | London |
| #17 | ELECTRA PRIVATE EQUITY PLC | 100Excellent | #65 | ↑ 0.3 | North West |
| #18 | KILTEARN PARTNERS LLP | 100Excellent | #74 | ↑ 0.7 | Scotland |
| #19 | LLOYDS BANK GENERAL INSURANCE LIMITED | 100Excellent | #80 | ↑ 0.6 | London |
| #20 | WORKWELL SOLUTIONS LIMITED | 99Excellent | #81 | ↑ 2.9 | North West |
| #21 | CAMBRIDGE & COUNTIES BANK LIMITED | 99Excellent | #83 | ↑ 1.2 | East Midlands |
| #22 | MD INSURANCE SERVICES LIMITED | 99Excellent | #88 | New | North West |
| #23 | BMW FINANCIAL SERVICES (GB) LIMITED | 99Excellent | #91 | New | South East |
| #24 | DL INSURANCE SERVICES LIMITED | 99Excellent | #86 | ↑ 1.6 | London |
| #25 | AXA PPP HEALTHCARE LIMITED | 99Excellent | #101 | New | London |
| #26 | NASA UMBRELLA LTD | 99Excellent | #97 | ↓ 0.4 | South West |
| #27 | PREMIER PORTFOLIO MANAGERS LIMITED | 99Excellent | #100 | ↑ 17.5 | South East |
| #28 | F.M. INSURANCE COMPANY LIMITED | 99Excellent | #108 | ↑ 1.3 | South East |
| #29 | MASTERCARD UK MANAGEMENT SERVICES LIMITED | 99Excellent | #111 | ↑ 9.6 | London |
| #30 | TUDOR CAPITAL EUROPE LLP | 99Excellent | #113 | ↓ 0.1 | London |
| #31 | FIDELIS UNDERWRITING LIMITED | 99Excellent | #121 | ↓ 1.1 | London |
| #32 | NORTHERN TRUST MANAGEMENT SERVICES LIMITED | 99Excellent | #123 | – 0.0 | Unknown |
| #33 | ST ANDREWS INSURANCE PLC | 99Excellent | #128 | ↑ 0.5 | London |
| #34 | SABRE INSURANCE COMPANY LIMITED | 99Excellent | #128 | New | South East |
| #35 | BARCLAYS INVESTMENT SOLUTIONS LIMITED | 99Excellent | #126 | ↑ 3.0 | London |
| #36 | CAPITA INSURANCE SERVICES LIMITED | 99Excellent | #134 | New | London |
| #37 | ICBC STANDARD BANK PLC | 99Excellent | #146 | ↑ 1.8 | London |
| #38 | BROWN SHIPLEY & CO. LIMITED | 99Excellent | #147 | ↓ 0.6 | London |
| #39 | FRANKLIN TEMPLETON GLOBAL INVESTORS LIMITED | 99Excellent | #148 | ↓ 0.3 | London |
| #40 | RIVERSTONE MANAGEMENT LIMITED | 99Excellent | #152 | ↑ 2.9 | South East |
| #41 | PAYSTREAM ACCOUNTING SERVICES LIMITED | 99Excellent | #157 | ↑ 0.4 | North West |
| #42 | BARCLAYS INSURANCE SERVICES COMPANY LIMITED | 98Excellent | #161 | ↑ 23.4 | London |
| #43 | AIG ASSET MANAGEMENT (EUROPE) LIMITED | 98Excellent | #168 | ↑ 1.3 | London |
| #44 | THREADNEEDLE PORTFOLIO SERVICES LIMITED | 98Excellent | #173 | ↓ 0.3 | London |
| #45 | FRANKLIN TEMPLETON INVESTMENT MANAGEMENT LIMITED | 98Excellent | #174 | ↓ 0.5 | London |
| #46 | LOMBARD ODIER ASSET MANAGEMENT (EUROPE) LIMITED | 98Excellent | #179 | ↑ 0.5 | London |
| #47 | CHARTER COURT FINANCIAL SERVICES LIMITED | 98Excellent | #180 | ↑ 12.1 | West Midlands |
| #48 | STANDARD CHARTERED BANK | 98Excellent | #184 | ↓ 0.6 | London |
| #49 | CA AUTO FINANCE UK LTD | 98Excellent | #186 | New | South East |
| #50 | HEALTHONLINE COMPANY UK LIMITED | 98Excellent | #194 | ↓ 0.3 | London |
| #51 | MARLBOROUGH GROUP HOLDINGS LIMITED | 98Excellent | #204 | New | North West |
| #52 | COUNTRYWIDE ASSURED PLC | 98Excellent | #202 | New | North West |
| #53 | AA LIMITED | 98Excellent | #196 | ↑ 1.5 | South East |
| #54 | WESTERN ASSET MANAGEMENT COMPANY LIMITED | 98Excellent | #222 | ↑ 17.5 | London |
| #55 | NATIONAL WESTMINSTER BANK PUBLIC LIMITED COMPANY | 98Excellent | #223 | ↓ 1.0 | London |
| #56 | CAPITA LIFE & PENSIONS SERVICES LIMITED | 98Excellent | #226 | New | London |
| #57 | MORTGAGE ADVICE BUREAU (HOLDINGS) PLC | 98Excellent | #234 | ↓ 0.8 | East Midlands |
| #58 | XTX MARKETS LIMITED | 98Excellent | #238 | New | London |
| #59 | MORTGAGE ADVICE BUREAU LIMITED | 98Excellent | #237 | ↓ 0.8 | East Midlands |
| #60 | A-PLAN HOLDINGS | 98Excellent | #239 | ↓ 0.7 | South East |
| #61 | FIRST RATE EXCHANGE SERVICES LIMITED | 98Excellent | #242 | ↑ 2.4 | South East |
| #62 | PRA GROUP (UK) LIMITED | 98Excellent | #245 | ↑ 6.2 | London |
| #63 | N.I.I.B. GROUP LIMITED | 98Excellent | #248 | New | Northern Ireland |
| #64 | CAPITA PENSION SOLUTIONS LIMITED | 97Excellent | #249 | New | London |
| #65 | INTEGRALIFE UK LIMITED | 97Excellent | #251 | ↓ 0.2 | London |
| #66 | TDX GROUP LIMITED | 97Excellent | #266 | ↓ 0.5 | London |
| #67 | MARKS AND SPENCER FINANCIAL SERVICES PLC | 97Excellent | #271 | New | North West |
| #68 | MAJEDIE ASSET MANAGEMENT LIMITED | 97Excellent | #274 | ↓ 0.1 | London |
| #69 | LONDON & COUNTRY MORTGAGES LIMITED | 97Excellent | #278 | ↑ 2.2 | South West |
| #70 | LONGVIEW PARTNERS LLP | 97Excellent | #283 | ↑ 5.5 | London |
| #71 | ASHMORE GROUP PLC | 97Excellent | #284 | – 0.0 | London |
| #72 | FIL LIFE INSURANCE LIMITED | 97Excellent | #285 | ↑ 12.6 | South East |
| #73 | CURTIS BANKS LIMITED | 97Excellent | #287 | ↑ 1.4 | South West |
| #74 | MUNICH RE SPECIALTY GROUP LIMITED | 97Excellent | #295 | ↑ 8.6 | London |
| #75 | SANTANDER INSURANCE SERVICES UK LIMITED | 97Excellent | #281 | ↑ 8.3 | London |
| #76 | THREADNEEDLE ASSET MANAGEMENT LIMITED | 97Excellent | #304 | ↑ 13.0 | London |
| #77 | ROTHESAY LIFE PLC | 97Excellent | #320 | ↑ 2.1 | London |
| #78 | ADVANTAGE FINANCE LIMITED | 97Excellent | #336 | ↓ 1.3 | West Midlands |
| #79 | COUTTS & COMPANY | 97Excellent | #329 | ↓ 1.9 | London |
| #80 | ROYAL LONDON ASSET MANAGEMENT LIMITED | 97Excellent | #330 | ↓ 0.4 | London |
| #81 | BOTTOMLINE TECHNOLOGIES LIMITED | 97Excellent | #331 | New | South East |
| #82 | ACCORD MORTGAGES LIMITED | 97Excellent | #334 | New | Yorkshire and The Humber |
| #83 | BARBON INSURANCE GROUP LIMITED | 97Excellent | #338 | New | East Midlands |
| #84 | LIVERPOOL VICTORIA INSURANCE COMPANY LIMITED | 96Excellent | #342 | ↓ 3.6 | South East |
| #85 | HIGHWAY INSURANCE COMPANY LIMITED | 96Excellent | #341 | ↓ 3.6 | South East |
| #86 | LINDSELL TRAIN LIMITED | 96Excellent | #345 | ↓ 0.3 | London |
| #87 | MARATHON ASSET MANAGEMENT LLP | 96Excellent | #348 | – 0.0 | London |
| #88 | CASTLE TRUST CAPITAL PLC | 96Excellent | #352 | ↓ 0.5 | London |
| #89 | SAFFERY LLP | 96Excellent | #354 | ↑ 2.5 | London |
| #90 | ZURICH ASSURANCE LTD | 96Excellent | #355 | New | South West |
| #91 | WINTON CAPITAL MANAGEMENT LIMITED | 96Excellent | #361 | ↑ 3.5 | London |
| #92 | ASPECT CAPITAL LIMITED | 96Excellent | #363 | ↑ 2.1 | London |
| #93 | SMBC NIKKO CAPITAL MARKETS LIMITED | 96Excellent | #370 | ↓ 0.1 | London |
| #94 | QUBE RESEARCH & TECHNOLOGIES LIMITED | 96Excellent | #373 | ↑ 2.7 | London |
| #95 | UBS ASSET MANAGEMENT (UK) LTD | 96Excellent | #374 | ↓ 4.0 | London |
| #96 | CHMC LIMITED | 96Excellent | #380 | ↑ 19.6 | London |
| #97 | LLOYDS BANK PLC | 96Excellent | #404 | ↑ 5.3 | London |
| #98 | AVIVA PLC | 96Excellent | #407 | New | London |
| #99 | QUADRATURE CAPITAL LIMITED | 96Excellent | #408 | ↑ 1.1 | London |
| #100 | TESCO UNDERWRITING LIMITED | 96Excellent | #412 | ↓ 1.9 | South East |
