| 🥇 | BRISTOW HELICOPTERS (INTERNATIONAL) LIMITED | 100Excellent | #5 | – 0.0 | — |
| 🥈 | XEROX FINANCE LIMITED | 100Excellent | #6 | – 0.0 | — |
| 🥉 | VOLVO CAR FINANCIAL SERVICES UK LIMITED | 100Excellent | #13 | – 0.0 | Financial Services |
| #4 | F.M. INSURANCE COMPANY LIMITED | 100Excellent | #28 | ↑ 2.1 | Financial Services |
| #5 | THESIS UNIT TRUST MANAGEMENT LIMITED | 100Excellent | #46 | ↑ 2.1 | Financial Services |
| #6 | BANBURY HEATH LIMITED | 100Excellent | #18 | – 0.0 | Events And Venues |
| #7 | REILLY JDM HOLDINGS LIMITED | 100Excellent | #4 | – 0.0 | — |
| #8 | PEAC BUSINESS FINANCE LIMITED | 100Excellent | #68 | — | Financial Services |
| #9 | DYNO-ROD LIMITED | 100Excellent | #12 | – 0.0 | Property |
| #10 | CENTRICA LNG UK LIMITED | 100Excellent | #16 | – 0.0 | — |
| #11 | INNOTECH ADVISERS LIMITED | 100Excellent | #39 | – 0.0 | — |
| #12 | KL VENTURES LIMITED | 100Excellent | #29 | – 0.0 | Events And Venues |
| #13 | BP EXPLORATION (AZERBAIJAN) LIMITED | 100Excellent | #38 | – 0.0 | Property |
| #14 | THE RANK GROUP PLC | 100Excellent | #48 | ↑ 20.0 | Lifestyle And Entertainment |
| #15 | FIL LIFE INSURANCE LIMITED | 100Excellent | #55 | ↑ 0.4 | Financial Services |
| #16 | ID MEDICAL GROUP LIMITED | 100Excellent | #8 | – 0.0 | Human Resources |
| #17 | THIRD STATE PIZZA COMPANY LIMITED | 100Excellent | #61 | ↑ 0.4 | Events And Venues |
| #18 | BANSOLS BETA LIMITED | 100Excellent | #66 | New | Events And Venues |
| #19 | HERTFORD HEATH LIMITED | 100Excellent | #67 | – 0.0 | Events And Venues |
| #20 | TOYOTA FINANCIAL SERVICES (UK) PLC | 100Excellent | #74 | ↓ 0.3 | Financial Services |
| #21 | RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD | 100Excellent | #84 | – 0.0 | Financial Services |
| #22 | ONESAVINGS BANK PLC | 99Excellent | #96 | – 0.0 | Financial Services |
| #23 | INTERBAY ML, LTD | 99Excellent | #112 | ↓ 0.6 | Financial Services |
| #24 | BMW FINANCIAL SERVICES (GB) LIMITED | 99Excellent | #114 | ↓ 0.2 | Financial Services |
| #25 | EXXONMOBIL MARINE LIMITED | 99Excellent | #115 | ↑ 1.1 | Energy |
| #26 | SANTANDER CONSUMER (UK) PLC | 99Excellent | #117 | ↓ 0.7 | Financial Services |
| #27 | FIRST RATE EXCHANGE SERVICES LIMITED | 99Excellent | #128 | ↑ 0.2 | Financial Services |
| #28 | CENTRICA LNG COMPANY LIMITED | 99Excellent | #130 | ↑ 0.4 | — |
| #29 | PIONEER SHIPPING LIMITED | 99Excellent | #131 | ↓ 0.9 | Distribution And Delivery |
| #30 | CYGNUS ACADEMIES TRUST | 99Excellent | #137 | – 0.0 | Education |
| #31 | AVIS FINANCE COMPANY LIMITED | 99Excellent | #144 | ↓ 0.3 | — |
| #32 | GLF SCHOOLS | 99Excellent | #145 | ↑ 1.1 | Care Services |
| #33 | EVERYDAY LENDING LIMITED | 99Excellent | #148 | ↑ 5.5 | Financial Services |
| #34 | TESCO UNDERWRITING LIMITED | 99Excellent | #153 | ↑ 1.3 | Financial Services |
| #35 | HOLIDAY EXTRAS LIMITED | 99Excellent | #168 | ↑ 0.5 | — |
| #36 | TOTALENERGIES GAS & POWER LIMITED | 99Excellent | #161 | ↑ 0.3 | Energy |
| #37 | EPA TRUST | 98Excellent | #183 | ↑ 1.6 | Education |
| #38 | MONEYBARN LIMITED | 98Excellent | #191 | ↑ 4.3 | Financial Services |
| #39 | RIVERSTONE MANAGEMENT LIMITED | 98Excellent | #198 | ↓ 0.6 | Financial Services |
| #40 | LEARNING PARTNERS ACADEMY TRUST | 98Excellent | #201 | ↑ 0.1 | Care Services |
| #41 | CASTROL LIMITED | 98Excellent | #210 | ↑ 13.3 | Energy |
| #42 | RIVERMEAD INCLUSIVE TRUST | 98Excellent | #226 | – 0.0 | Education |
| #43 | SOUTH EAST SURREY SCHOOLS EDUCATION TRUST | 98Excellent | #257 | ↓ 0.2 | Education |
| #44 | XERO (UK) LIMITED | 98Excellent | #233 | ↑ 3.1 | Software |
| #45 | AUDLEY TRAVEL GROUP LIMITED | 98Excellent | #264 | ↑ 0.6 | Travel And Transportation |
| #46 | SIEMENS FINANCIAL SERVICES LIMITED | 98Excellent | #246 | ↑ 0.3 | — |
| #47 | BOURNE ALLIANCE MULTI ACADEMY TRUST | 98Excellent | #249 | – 0.0 | Education |
| #48 | CENTRICA ENERGY LIMITED | 97Excellent | #258 | ↓ 1.2 | — |
| #49 | SIMPLYHEALTH PEOPLE LIMITED | 97Excellent | #265 | ↓ 1.2 | Financial Services |
| #50 | MICHAEL PAGE INTERNATIONAL RECRUITMENT LIMITED | 97Excellent | #283 | ↑ 0.7 | Human Resources |
| #51 | RIDGEWAY EDUCATION TRUST | 97Excellent | #287 | ↑ 0.0 | Education |
| #52 | INEOS ENERGY TRADING LIMITED | 97Excellent | #300 | ↑ 1.1 | Energy |
| #53 | PHYLLIS TUCKWELL MEMORIAL HOSPICE LIMITED | 97Excellent | #305 | ↑ 0.5 | Healthcare And Wellbeing |
| #54 | RENESAS ELECTRONICS OPERATIONS SERVICES LIMITED | 97Excellent | #321 | ↑ 0.7 | Hardware |
| #55 | SK HYNIX UK LIMITED | 96Excellent | #333 | ↓ 0.2 | — |
| #56 | CINCH CARS LIMITED | 96Excellent | #352 | ↓ 1.1 | Commerce Models |
| #57 | P A CROCKER LIMITED | 96Excellent | #347 | – 0.0 | Events And Venues |
| #58 | BRITISH GAS TRADING LIMITED | 96Excellent | #357 | ↑ 0.3 | Energy |
| #59 | EPSOM COLLEGE | 96Excellent | #375 | ↑ 1.1 | Education |
| #60 | MONEYBARN NO.1 LIMITED | 96Excellent | #395 | ↓ 0.8 | Financial Services |
| #61 | MAZDA MOTORS UK LIMITED | 96Excellent | #391 | ↓ 0.7 | — |
| #62 | KINTO UK LIMITED | 96Excellent | #396 | ↑ 4.7 | Road Travel |
| #63 | KENSINGTON MORTGAGE COMPANY LIMITED | 96Excellent | #408 | ↑ 2.5 | Financial Services |
| #64 | GATTACA PLC | 96Excellent | #455 | ↓ 4.4 | — |
| #65 | RANK LEISURE HOLDINGS LIMITED | 96Excellent | #413 | ↑ 2.5 | Lifestyle And Entertainment |
| #66 | WE BUY ANY CAR LIMITED | 96Excellent | #424 | ↑ 0.2 | Lifestyle And Entertainment |
| #67 | SIEMENS INDUSTRY SOFTWARE LIMITED | 96Excellent | #430 | ↑ 0.8 | Hardware |
| #68 | MOTOR INSURERS' BUREAU | 96Excellent | #428 | ↑ 6.7 | Travel And Transportation |
| #69 | ORANGE BUSINESS HOLDINGS UK LIMITED | 95Excellent | #438 | ↑ 3.8 | — |
| #70 | CANON MEDICAL SYSTEMS LIMITED | 95Excellent | #453 | ↑ 4.6 | Life Sciences And Medical Technology |
| #71 | CARE UNBOUND LIMITED | 95Excellent | #446 | ↓ 2.2 | Care Services |
| #72 | RIGHTMOVE GROUP LIMITED | 95Excellent | #472 | ↑ 0.9 | Property |
| #73 | THE AGRICULTURAL MORTGAGE CORPORATION PLC | 95Excellent | #496 | ↓ 1.4 | Agriculture |
| #74 | CRAMLINGTON RENEWABLE ENERGY DEVELOPMENTS LIMITED | 95Excellent | #499 | New | Energy |
| #75 | THE ROYAL NAAFI | 95Excellent | #507 | ↑ 8.1 | Events And Venues |
| #76 | ARQIVA SMART METERING LIMITED | 95Excellent | #510 | ↑ 5.8 | — |
| #77 | UK GREEN INVESTMENT LYLE LIMITED | 95Excellent | #508 | New | — |
| #78 | BP EXPLORATION (CASPIAN SEA) LIMITED | 95Excellent | #515 | ↑ 10.4 | Property |
| #79 | UK HIGHWAYS M40 LIMITED | 94Excellent | #519 | ↑ 0.5 | — |
| #80 | A-PLAN HOLDINGS | 94Excellent | #520 | ↑ 1.5 | Financial Services |
| #81 | THE CHURCH OF JESUS CHRIST OF LATTER-DAY SAINTS (GREAT BRITAIN) | 94Excellent | #522 | ↓ 0.5 | — |
| #82 | UNUM EUROPEAN HOLDING COMPANY LIMITED | 94Excellent | #523 | ↓ 0.7 | — |
| #83 | CROSS LONDON TRAINS LIMITED | 94Excellent | #524 | ↓ 2.7 | — |
| #84 | BARFOOTS OF BOTLEY LIMITED | 94Excellent | #525 | ↑ 4.9 | Distribution And Delivery |
| #85 | PACCAR FINANCIAL PLC | 94Excellent | #530 | ↑ 2.4 | Financial Services |
| #86 | COASTAL ACADEMIES TRUST | 94Excellent | #527 | ↑ 0.4 | Care Services |
| #87 | AIR BP LIMITED | 94Excellent | #535 | ↓ 3.4 | — |
| #88 | COLGATE-PALMOLIVE (U.K.) LIMITED | 94Excellent | #542 | ↑ 2.0 | Healthcare And Wellbeing |
| #89 | BENIFEX LIMITED | 94Excellent | #544 | – 0.0 | Human Resources |
| #90 | BOTTOMLINE TECHNOLOGIES LIMITED | 94Excellent | #552 | ↓ 4.0 | Financial Services |
| #91 | COMMVAULT SYSTEMS LIMITED | 94Excellent | #555 | ↓ 0.9 | Information Technology |
| #92 | BEL UK LIMITED | 94Excellent | #562 | ↑ 0.4 | Distribution And Delivery |
| #93 | BP GAS MARKETING LIMITED | 94Excellent | #564 | ↑ 1.6 | Energy |
| #94 | HYUNDAI CAPITAL UK LIMITED | 94Excellent | #557 | ↓ 6.0 | Financial Services |
| #95 | ELWA LIMITED | 94Excellent | #573 | ↑ 9.0 | — |
| #96 | KINGSTON TECHNOLOGY EUROPE CO LLP | 94Excellent | #581 | ↑ 0.2 | — |
| #97 | IUP 2 LLP | 94Excellent | #639 | ↑ 11.5 | — |
| #98 | BRITISH CAR AUCTIONS LIMITED | 94Excellent | #586 | ↓ 1.0 | Commerce Models |
| #99 | AMADEUS IT SERVICES UK LIMITED | 94Excellent | #588 | ↑ 1.9 | Hardware |
| #100 | AIRTANKER SERVICES LIMITED | 94Excellent | #646 | ↑ 1.2 | — |
