| 🥇 | KL VENTURES LIMITED | 100Excellent | #4 | — | Events And Venues |
| 🥈 | ESSO UK LIMITED | 100Excellent | #6 | New | — |
| 🥉 | BRISTOW HELICOPTERS (INTERNATIONAL) LIMITED | 100Excellent | #13 | – 0.0 | Air Travel |
| #4 | BIDCONNECTER LIMITED | 100Excellent | #6 | – 0.0 | Property |
| #5 | XEROX FINANCE LIMITED | 100Excellent | #24 | – 0.0 | — |
| #6 | VOLVO CAR FINANCIAL SERVICES UK LIMITED | 100Excellent | #33 | New | Financial Services |
| #7 | TOYOTA FINANCIAL SERVICES (UK) PLC | 100Excellent | #29 | – 0.0 | Financial Services |
| #8 | SANTANDER CONSUMER (UK) PLC | 100Excellent | #33 | ↑ 0.3 | Financial Services |
| #9 | CINCH FLEETCO LIMITED | 100Excellent | #34 | – 0.0 | Travel And Transportation |
| #10 | INNOTECH ADVISERS LIMITED | 100Excellent | #49 | – 0.0 | — |
| #11 | ID MEDICAL GROUP LIMITED | 100Excellent | #54 | – 0.0 | Human Resources |
| #12 | DENPLAN LIMITED | 100Excellent | #61 | — | Primary Care |
| #13 | HYUNDAI CAPITAL UK LIMITED | 100Excellent | #65 | – 0.0 | Financial Services |
| #14 | INTERBAY ML, LTD | 100Excellent | #64 | – 0.0 | Financial Services |
| #15 | SIMPLYHEALTH ACCESS | 100Excellent | #68 | — | — |
| #16 | GATTACA PLC | 100Excellent | #80 | ↑ 3.0 | — |
| #17 | PEAC BUSINESS FINANCE LIMITED | 100Excellent | #72 | ↑ 2.3 | Financial Services |
| #18 | CADENCE INNOVA LTD | 100Excellent | #76 | ↓ 0.3 | — |
| #19 | RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD | 100Excellent | #78 | New | Financial Services |
| #20 | EXXONMOBIL MARINE LIMITED | 99Excellent | #86 | — | Energy |
| #21 | HERTFORD HEATH LIMITED | 99Excellent | #93 | – 0.0 | Events And Venues |
| #22 | MICRO FOCUS IP DEVELOPMENT LIMITED | 99Excellent | #96 | ↑ 19.8 | Software |
| #23 | SABRE INSURANCE COMPANY LIMITED | 99Excellent | #101 | — | Financial Services |
| #24 | OPHIR ENERGY LIMITED | 99Excellent | #108 | ↑ 1.6 | Energy |
| #25 | THESIS UNIT TRUST MANAGEMENT LIMITED | 99Excellent | #117 | New | Financial Services |
| #26 | TOTALENERGIES GAS & POWER LIMITED | 99Excellent | #139 | ↑ 0.1 | Energy |
| #27 | AVIS FINANCE COMPANY LIMITED | 99Excellent | #141 | ↓ 0.7 | — |
| #28 | MHS HOMES LIMITED | 99Excellent | #144 | ↑ 2.0 | — |
| #29 | ONESAVINGS BANK PLC | 99Excellent | #160 | ↑ 1.1 | Financial Services |
| #30 | RIVERSTONE MANAGEMENT LIMITED | 98Excellent | #170 | ↓ 0.3 | Financial Services |
| #31 | SIMPLYHEALTH PEOPLE LIMITED | 98Excellent | #172 | — | Financial Services |
| #32 | FIRST RATE EXCHANGE SERVICES LIMITED | 98Excellent | #177 | ↑ 0.5 | Financial Services |
| #33 | CA AUTO FINANCE UK LTD | 98Excellent | #179 | ↑ 0.8 | Financial Services |
| #34 | EPA TRUST | 98Excellent | #186 | ↓ 0.3 | Education |
| #35 | ESSO EXPLORATION AND PRODUCTION UK LIMITED | 98Excellent | #191 | — | Energy |
| #36 | F.M. INSURANCE COMPANY LIMITED | 98Excellent | #197 | ↑ 0.2 | Financial Services |
| #37 | BOURNE EDUCATION TRUST | 98Excellent | #234 | ↑ 0.2 | Education |
| #38 | EXXONMOBIL GAS MARKETING EUROPE LIMITED | 98Excellent | #211 | — | Distribution And Delivery |
| #39 | JUNIPER NETWORKS (UK) LIMITED | 98Excellent | #219 | — | Software |
| #40 | HOLIDAY EXTRAS LIMITED | 98Excellent | #229 | ↑ 1.6 | Travel And Transportation |
| #41 | BOTTOMLINE TECHNOLOGIES LIMITED | 98Excellent | #234 | ↑ 0.2 | Financial Services |
| #42 | AUDLEY TRAVEL GROUP LIMITED | 98Excellent | #256 | ↑ 1.6 | Travel And Transportation |
| #43 | CASTROL LIMITED | 98Excellent | #241 | — | Energy |
| #44 | CROSS LONDON TRAINS LIMITED | 98Excellent | #243 | ↓ 0.7 | — |
| #45 | CARE UNBOUND LIMITED | 98Excellent | #244 | New | Care Services |
| #46 | BAE SYSTEMS SURFACE SHIPS LIMITED | 98Excellent | #251 | — | Education |
| #47 | BAE SYSTEMS MARINE LIMITED | 98Excellent | #254 | — | Waterways Travel |
| #48 | LEARNING PARTNERS ACADEMY TRUST | 98Excellent | #256 | ↓ 0.4 | Care Services |
| #49 | SIEMENS FINANCIAL SERVICES LIMITED | 97Excellent | #271 | ↑ 5.5 | — |
| #50 | KAZPER RESTAURANTS LIMITED | 97Excellent | #274 | New | Events And Venues |
| #51 | MICHAEL PAGE INTERNATIONAL RECRUITMENT LIMITED | 97Excellent | #275 | ↓ 1.4 | Human Resources |
| #52 | WW GBR LIMITED | 97Excellent | #276 | ↑ 1.8 | — |
| #53 | AUTOMOBILE ASSOCIATION DEVELOPMENTS LIMITED | 97Excellent | #280 | ↓ 0.6 | Road Travel |
| #54 | RIDGEWAY EDUCATION TRUST | 97Excellent | #283 | ↑ 23.5 | Education |
| #55 | SOUTH EAST SURREY SCHOOLS EDUCATION TRUST | 97Excellent | #286 | ↓ 0.1 | Education |
| #56 | THE AGRICULTURAL MORTGAGE CORPORATION PLC | 97Excellent | #285 | ↑ 1.5 | Agriculture |
| #57 | KEYSTONE DEVELOPMENTS (LG) LIMITED | 97Excellent | #284 | ↑ 4.8 | Property |
| #58 | MARTIN-BAKER AIRCRAFT COMPANY LIMITED | 97Excellent | #292 | ↓ 0.8 | Air Travel |
| #59 | GFM EDUCATION | 97Excellent | #299 | ↑ 4.1 | Education |
| #60 | BLUE MOTOR FINANCE LIMITED | 97Excellent | #304 | New | Financial Services |
| #61 | HYUNDAI MOTOR UK LIMITED | 97Excellent | #314 | New | Travel And Transportation |
| #62 | ALLEGIS GLOBAL SOLUTIONS LIMITED | 97Excellent | #329 | ↑ 0.7 | Human Resources |
| #63 | CAPGEMINI UK PLC | 97Excellent | #332 | ↑ 9.1 | Information Technology |
| #64 | MAZDA MOTORS UK LIMITED | 96Excellent | #374 | ↑ 1.4 | — |
| #65 | ICON CLINICAL RESEARCH (U.K.) LIMITED | 96Excellent | #378 | ↑ 1.5 | — |
| #66 | TRADETEAM LIMITED | 96Excellent | #394 | ↑ 21.0 | Lifestyle And Entertainment |
| #67 | PHYLLIS TUCKWELL MEMORIAL HOSPICE LIMITED | 96Excellent | #388 | ↓ 0.9 | Healthcare And Wellbeing |
| #68 | CINCH CARS LIMITED | 96Excellent | #395 | ↑ 2.4 | Commerce Models |
| #69 | EXXONMOBIL INTERNATIONAL LIMITED | 96Excellent | #396 | — | — |
| #70 | P A CROCKER LIMITED | 96Excellent | #405 | ↓ 0.6 | Events And Venues |
| #71 | THE BRENDONCARE FOUNDATION | 96Excellent | #427 | ↑ 4.3 | — |
| #72 | XERO (UK) LIMITED | 95Excellent | #436 | ↓ 0.9 | Software |
| #73 | COMMVAULT SYSTEMS LIMITED | 95Excellent | #431 | ↑ 0.4 | Information Technology |
| #74 | INEOS ENERGY TRADING LIMITED | 95Excellent | #444 | — | Energy |
| #75 | OXFORD DIRECT SERVICES LIMITED | 95Excellent | #457 | New | Property-related Goods And Services |
| #76 | BLUM UK | 95Excellent | #454 | ↑ 3.0 | Property-related Goods And Services |
| #77 | SK HYNIX UK LIMITED | 95Excellent | #455 | ↓ 0.6 | — |
| #78 | KENTUCKY FRIED CHICKEN (GREAT BRITAIN) LIMITED | 95Excellent | #462 | ↓ 1.4 | Events And Venues |
| #79 | EASTBOURNE COLLEGE (INCORPORATED) | 95Excellent | #467 | ↑ 2.1 | Education |
| #80 | FIL INVESTMENT SERVICES UK LIMITED | 95Excellent | #474 | New | Financial Services |
| #81 | UNUM EUROPEAN HOLDING COMPANY LIMITED | 95Excellent | #476 | — | — |
| #82 | LLOYDS BANK COMMERCIAL FINANCE LIMITED | 95Excellent | #482 | ↓ 0.8 | Financial Services |
| #83 | LEIGH ACADEMIES TRUST | 95Excellent | #486 | ↓ 0.4 | Care Services |
| #84 | BAE SYSTEMS GLOBAL COMBAT SYSTEMS MUNITIONS LIMITED | 95Excellent | #491 | — | — |
| #85 | AGEAS RETAIL LIMITED | 95Excellent | #498 | ↑ 5.3 | Financial Services |
| #86 | ANDUFF CAR WASH LIMITED | 95Excellent | #510 | ↑ 0.8 | Road Travel |
| #87 | DIRECT WINES LIMITED | 95Excellent | #518 | ↓ 0.6 | Commerce Models |
| #88 | SIEMENS INDUSTRY SOFTWARE LIMITED | 94Excellent | #538 | ↑ 10.4 | Hardware |
| #89 | SMSCMC (UK) LIMITED | 94Excellent | #558 | — | — |
| #90 | UK HIGHWAYS MANAGEMENT SERVICES LIMITED | 94Excellent | #570 | ↓ 1.8 | Software |
| #91 | COASTAL ACADEMIES TRUST | 94Excellent | #583 | ↑ 0.3 | Care Services |
| #92 | WE BUY ANY CAR LIMITED | 94Excellent | #591 | ↑ 1.0 | Lifestyle And Entertainment |
| #93 | RIGHTMOVE GROUP LIMITED | 94Excellent | #594 | ↑ 0.5 | Property |
| #94 | CHOICE SUPPORT | 94Excellent | #592 | ↑ 2.0 | Care Services |
| #95 | BCA FLEET SOLUTIONS LIMITED | 94Excellent | #598 | ↓ 4.1 | Road Travel |
| #96 | BEL UK LIMITED | 94Excellent | #603 | – 0.0 | Distribution And Delivery |
| #97 | RIVER LEARNING TRUST | 94Excellent | #610 | ↓ 0.3 | Care Services |
| #98 | BRITISH CAR AUCTIONS LIMITED | 94Excellent | #611 | ↑ 0.6 | Commerce Models |
| #99 | BCA OUTSOURCE SOLUTIONS LIMITED | 94Excellent | #612 | ↑ 5.6 | Human Resources |
| #100 | VERCITY SOCIAL INFRASTRUCTURE (UK) LIMITED | 93Excellent | #626 | ↓ 2.9 | — |
