| 🥇 | SLAUGHTER AND MAY SERVICES COMPANY | 100Excellent | #18 | – 0.0 | Professional Services |
| 🥈 | COLUMBIA THREADNEEDLE FUND MANAGEMENT LIMITED | 100Excellent | #1 | ↑ 30.5 | — |
| 🥉 | NORTHERN TRUST INVESTOR SERVICES LIMITED | 100Excellent | #19 | ↑ 3.6 | — |
| #4 | IPG DXTRA GROUP HOLDINGS LIMITED | 100Excellent | #20 | ↑ 10.0 | — |
| #5 | MAREX SPECTRON INTERNATIONAL LIMITED | 100Excellent | #5 | ↑ 12.6 | — |
| #6 | ITV DIGITAL CHANNELS LIMITED | 100Excellent | #7 | — | Creative |
| #7 | PFPL PROJECTS (WYRE FOREST) LTD | 100Excellent | #4 | New | — |
| #8 | RBS INVOICE FINANCE LIMITED | 100Excellent | #6 | ↑ 0.6 | Software |
| #9 | MULLENLOWE PROFERO LIMITED | 100Excellent | #61 | ↑ 6.9 | Professional Services |
| #10 | 3I GROUP PLC | 100Excellent | #31 | ↑ 5.0 | — |
| #11 | TRADEWILL LIMITED | 100Excellent | #17 | – 0.0 | — |
| #12 | CAPITA SECURE INFORMATION SOLUTIONS LIMITED | 100Excellent | #25 | ↑ 49.9 | Information Technology |
| #13 | HOGG ROBINSON LIMITED | 100Excellent | #41 | ↑ 25.7 | — |
| #14 | SILCHESTER CONTINUATION LIMITED | 100Excellent | #42 | – 0.0 | Financial Services |
| #15 | ICBC STANDARD BANK PLC | 100Excellent | #45 | – 0.0 | Financial Services |
| #16 | SOUTH EASTERN POWER NETWORKS PLC | 100Excellent | #55 | – 0.0 | — |
| #17 | AMEY UK LIMITED | 100Excellent | #59 | New | Environment |
| #18 | GRANT THORNTON AGILE TALENT SOLUTIONS LIMITED | 100Excellent | #53 | ↑ 0.6 | Professional Services |
| #19 | ANSCO ARENA LIMITED | 100Excellent | #60 | New | — |
| #20 | KNIGHT FRANK SERVICES COMPANY | 100Excellent | #63 | – 0.0 | — |
| #21 | EASTERN POWER NETWORKS PLC | 100Excellent | #67 | – 0.0 | — |
| #22 | THE GREAT ROLLING STOCK COMPANY PLC | 100Excellent | #68 | ↑ 6.0 | — |
| #23 | BARCLAYS CAPITAL SECURITIES LIMITED | 100Excellent | #70 | – 0.0 | — |
| #24 | AMALGAMET LIMITED | 100Excellent | #71 | – 0.0 | Supply Chain |
| #25 | LOTUS INTERNATIONAL LIMITED | 100Excellent | #73 | – 0.0 | Travel And Transportation |
| #26 | SILCHESTER INTERNATIONAL INVESTORS LLP | 100Excellent | #76 | – 0.0 | Financial Services |
| #27 | VITOL BROKING LIMITED | 100Excellent | #81 | – 0.0 | — |
| #28 | SILCHESTER PARTNERS LIMITED | 100Excellent | #16 | – 0.0 | — |
| #29 | FORELAND SHIPPING LIMITED | 100Excellent | #23 | – 0.0 | Supply Chain |
| #30 | AKO FOUNDATION | 100Excellent | #28 | – 0.0 | — |
| #31 | DELOITTE ASIA PACIFIC SERVICES HOLDINGS LIMITED | 100Excellent | #29 | New | — |
| #32 | TRANSRE LONDON LIMITED | 100Excellent | #15 | — | Financial Services |
| #33 | WITHERS PROFESSIONAL SERVICES LIMITED | 100Excellent | #37 | ↑ 2.8 | — |
| #34 | CHASEDESIGN WORLDWIDE LIMITED | 100Excellent | #49 | ↑ 2.7 | Professional Services |
| #35 | AMS ADVANCED MARKETING SERVICES LIMITED | 100Excellent | #52 | ↑ 2.4 | — |
| #36 | ONESUBSEA IP UK LIMITED | 100Excellent | #50 | ↑ 14.6 | — |
| #37 | GAP EUROPE LIMITED | 100Excellent | #84 | ↑ 2.9 | Creative |
| #38 | FBC (FUTUREBRAND) LIMITED | 100Excellent | #86 | ↑ 0.2 | Professional Services |
| #39 | WELLSET REPRO LIMITED | 100Excellent | #90 | ↑ 0.8 | Professional Services |
| #40 | R&C PMK LIMITED | 100Excellent | #85 | – 0.0 | Professional Services |
| #41 | IPG DXTRA (UK) LIMITED | 100Excellent | #87 | ↑ 0.3 | Professional Services |
| #42 | VIRGO HEALTH LIMITED | 100Excellent | #88 | ↑ 0.2 | — |
| #43 | LOMBARD NORTH CENTRAL PUBLIC LIMITED COMPANY | 100Excellent | #91 | ↓ 0.2 | — |
| #44 | HUNTERS & FRANKAU LIMITED | 100Excellent | #96 | New | — |
| #45 | MOTABILITY OPERATIONS LIMITED | 100Excellent | #95 | ↑ 0.2 | — |
| #46 | STANDARD CHARTERED BANK | 100Excellent | #97 | ↑ 0.5 | Financial Services |
| #47 | FOX IPL LIMITED | 100Excellent | #102 | ↑ 3.3 | Professional Services |
| #48 | FERN TRADING LIMITED | 100Excellent | #107 | ↓ 0.4 | Property |
| #49 | AMS ADVANCED MARKETING SERVICES INVESTMENTS LIMITED | 100Excellent | #99 | ↓ 0.4 | — |
| #50 | DANNY SULLIVAN & SONS LTD. | 100Excellent | #109 | ↓ 0.1 | Property |
| #51 | THAT LOT CREATIVES LIMITED | 100Excellent | #112 | ↓ 0.1 | Creative |
| #52 | VITOL SERVICES LIMITED | 100Excellent | #110 | ↑ 0.7 | — |
| #53 | SWIFT STRATEGIES LIMITED | 100Excellent | #111 | New | — |
| #54 | TRAILFINDERS LIMITED | 99Excellent | #113 | ↑ 0.8 | Travel And Transportation |
| #55 | PARADIGM TRUST | 99Excellent | #112 | ↑ 0.3 | Education |
| #56 | MODIS EUROPE LIMITED | 99Excellent | #113 | ↑ 1.9 | Professional Services |
| #57 | THE BANK OF NEW YORK MELLON (INTERNATIONAL) LIMITED | 99Excellent | #115 | ↑ 0.6 | — |
| #58 | RECLAIM FUND LTD | 99Excellent | #114 | ↑ 1.5 | Financial Services |
| #59 | UTILITY WAREHOUSE LIMITED | 99Excellent | #120 | – 0.0 | — |
| #60 | LION ACADEMY TRUST | 99Excellent | #121 | ↑ 0.0 | Education |
| #61 | BARCLAYS INSURANCE SERVICES COMPANY LIMITED | 99Excellent | #127 | ↓ 0.6 | Financial Services |
| #62 | GOLIN LIMITED | 99Excellent | #128 | ↑ 0.3 | Professional Services |
| #63 | ALPHA FX LIMITED | 99Excellent | #116 | ↓ 0.6 | Software |
| #64 | SONATRACH GAS MARKETING UK LIMITED | 99Excellent | #118 | ↓ 0.2 | — |
| #65 | BURLINGTOWN UK LIMITED | 99Excellent | #125 | ↑ 0.2 | — |
| #66 | MYCITYDEAL LIMITED | 99Excellent | #132 | ↓ 0.1 | — |
| #67 | MCDONALD'S RESTAURANTS LIMITED | 99Excellent | #130 | — | Lifestyle And Entertainment |
| #68 | HUGE UK LIMITED | 99Excellent | #133 | ↓ 0.6 | Professional Services |
| #69 | SHELL CLAIR UK LIMITED | 99Excellent | #135 | ↑ 8.2 | — |
| #70 | TUDOR CAPITAL EUROPE LLP | 99Excellent | #138 | ↓ 0.3 | Financial Services |
| #71 | LOTUS TRAVEL LIMITED | 99Excellent | #136 | – 0.0 | Travel And Transportation |
| #72 | SMARTESTENERGY LIMITED | 99Excellent | #137 | ↓ 0.3 | Property |
| #73 | IPG EUROPE LTD | 99Excellent | #133 | ↑ 47.9 | — |
| #74 | FCB HEALTH HAMPSHIRE LIMITED | 99Excellent | #141 | ↑ 0.5 | Professional Services |
| #75 | PONTOON EUROPE LIMITED | 99Excellent | #149 | ↑ 2.6 | Professional Services |
| #76 | INVESTCORP CREDIT MANAGEMENT EU LIMITED | 99Excellent | #148 | ↓ 0.1 | — |
| #77 | JMK BUSINESS SOLUTIONS LIMITED | 99Excellent | #151 | ↓ 0.5 | Financial Services |
| #78 | FIDELIS MARKETING LIMITED | 99Excellent | #153 | New | — |
| #79 | NATIONAL WESTMINSTER BANK PUBLIC LIMITED COMPANY | 99Excellent | #154 | ↑ 0.5 | Financial Services |
| #80 | AMERICAN EXPRESS SERVICES EUROPE LIMITED | 99Excellent | #158 | – 0.0 | Travel And Transportation |
| #81 | OCTAGON WORLDWIDE LIMITED | 99Excellent | #156 | – 0.0 | Professional Services |
| #82 | NEWTON INVESTMENT MANAGEMENT LIMITED | 99Excellent | #160 | — | Financial Services |
| #83 | EAU ROUGE PROPERTIES, LTD. | 99Excellent | #161 | ↑ 0.5 | — |
| #84 | LAND SECURITIES P L C | 99Excellent | #164 | ↓ 0.8 | — |
| #85 | LEX AUTOLEASE LIMITED | 99Excellent | #165 | ↑ 0.7 | Supply Chain |
| #86 | BENNETT MANAGEMENT CONTRACTORS (GB) LIMITED | 99Excellent | #166 | ↑ 2.2 | Property |
| #87 | AJILON (UK) LIMITED | 99Excellent | #168 | ↑ 1.4 | Professional Services |
| #88 | EXPERIENCE MORE LIMITED | 99Excellent | #171 | ↑ 6.4 | Lifestyle And Entertainment |
| #89 | RSM UK MANAGEMENT LIMITED | 99Excellent | #172 | ↓ 0.3 | — |
| #90 | TDX GROUP LIMITED | 99Excellent | #173 | — | Software |
| #91 | WATERMAN ASPEN LIMITED | 99Excellent | #169 | New | — |
| #92 | REED & MACKAY TRAVEL LIMITED | 99Excellent | #179 | ↓ 1.0 | Lifestyle And Entertainment |
| #93 | OCTAGON ATHLETE REPRESENTATION LIMITED | 99Excellent | #182 | ↓ 0.8 | — |
| #94 | MORGAN STANLEY UK GROUP | 99Excellent | #185 | ↑ 30.2 | — |
| #95 | JACK MORTON WORLDWIDE LIMITED | 99Excellent | #177 | ↑ 0.4 | — |
| #96 | FACTIVA LIMITED | 99Excellent | #178 | — | Software |
| #97 | THE ASSOCIATED BOARD OF THE ROYAL SCHOOLS OF MUSIC | 99Excellent | #183 | – 0.0 | — |
| #98 | DL INSURANCE SERVICES LIMITED | 99Excellent | #186 | ↓ 0.2 | Financial Services |
| #99 | SPRING TECHNOLOGY STAFFING SERVICES LIMITED | 99Excellent | #191 | ↑ 4.8 | Professional Services |
| #100 | OPET INTERNATIONAL LIMITED | 99Excellent | #193 | ↑ 1.4 | — |
