| 🥇 | PFPL PROJECTS (WYRE FOREST) LTD | 100Excellent | — | London |
| 🥈 | BANBURY HEATH LIMITED | 100Excellent | — | South East |
| 🥉 | AMEY UK LIMITED | 100Excellent | Environment | London |
| #4 | ANSCO ARENA LIMITED | 100Excellent | — | London |
| #5 | DELOITTE ASIA PACIFIC SERVICES HOLDINGS LIMITED | 100Excellent | — | London |
| #6 | HUNTERS & FRANKAU LIMITED | 100Excellent | — | London |
| #7 | CRONER GROUP LIMITED | 100Excellent | — | East Midlands |
| #8 | THIRD STATE PIZZA COMPANY LIMITED | 100Excellent | — | South East |
| #9 | SWIFT STRATEGIES LIMITED | 100Excellent | — | London |
| #10 | IPG HEALTH MEDICAL COMMUNICATIONS LIMITED | 99Excellent | — | North West |
| #11 | EUROCHANGE LIMITED | 99Excellent | Financial Services | East of England |
| #12 | FIDELIS MARKETING LIMITED | 99Excellent | — | London |
| #13 | CYGNUS ACADEMIES TRUST | 99Excellent | — | South East |
| #14 | EX ANIMO FOODS LIMITED | 99Excellent | — | Unknown |
| #15 | WATERMAN ASPEN LIMITED | 99Excellent | — | London |
| #16 | CRAIGTON FOODS LIMITED | 99Excellent | Lifestyle And Entertainment | Scotland |
| #17 | CLARION CORVUS TRUST | 98Excellent | — | East of England |
| #18 | MACE CONSULT LIMITED | 98Excellent | — | London |
| #19 | NORTHERN TRUST SECURITIES LLP | 98Excellent | — | Unknown |
| #20 | RIVERMEAD INCLUSIVE TRUST | 98Excellent | — | South East |
| #21 | JRA FAMILY RESTAURANTS LIMITED | 98Excellent | — | Yorkshire and The Humber |
| #22 | BOURNE ALLIANCE MULTI ACADEMY TRUST | 98Excellent | — | South East |
| #23 | WOODARD ACADEMIES TRUST | 98Excellent | Education | London |
| #24 | HSBC ALTERNATIVE INVESTMENTS LIMITED | 97Excellent | — | London |
| #25 | LOIZOU RESTAURANTS LIMITED | 97Excellent | — | Unknown |
| #26 | BANNER BUSINESS SOLUTIONS LIMITED | 97Excellent | — | Yorkshire and The Humber |
| #27 | WORLDPAY GROUP LIMITED | 96Excellent | — | London |
| #28 | GLADMAN DEVELOPMENTS LIMITED | 96Excellent | Property | North West |
| #29 | HL PARTNERSHIP LIMITED | 96Excellent | — | East Midlands |
| #30 | ST THOMAS AQUINAS CATHOLIC MULTI ACADEMY TRUST | 96Excellent | — | East Midlands |
| #31 | KISTOS ENERGY LIMITED | 96Excellent | — | London |
| #32 | MINMETALS (U.K) LIMITED | 96Excellent | — | London |
| #33 | EPSON (U.K.) LIMITED | 96Excellent | — | East of England |
| #34 | UNIKERIS LIMITED | 95Excellent | — | Unknown |
| #35 | ROBERT HOLDCROFT LIMITED | 95Excellent | — | Unknown |
| #36 | HERCULES PLC | 95Excellent | — | South West |
| #37 | BAIN CAPITAL CREDIT, LTD. | 95Excellent | — | London |
| #38 | WHITE ROSE FARMS LIMITED | 95Excellent | — | Yorkshire and The Humber |
| #39 | SUCDEN FINANCIAL LIMITED | 95Excellent | Financial Services | London |
| #40 | SERICA ENERGY CHINOOK LIMITED | 94Excellent | — | Scotland |
| #41 | WOLD FARMS LIMITED | 94Excellent | — | Yorkshire and The Humber |
| #42 | BENIFEX LIMITED | 94Excellent | — | South East |
| #43 | MEARS CARE LIMITED | 94Excellent | Healthcare And Wellbeing | East of England |
| #44 | MARKEL INTERNATIONAL SERVICES LIMITED | 94Excellent | — | London |
| #45 | ORBIS PORTFOLIO MANAGEMENT (EUROPE) LLP | 93Excellent | — | London |
| #46 | ZOPA BANK LIMITED | 93Excellent | — | Unknown |
| #47 | DIRECT DIALOG VISUAL LTD | 93Excellent | — | Unknown |
| #48 | PARKWOOD LEISURE LIMITED | 92Excellent | Lifestyle And Entertainment | North West |
| #49 | CHILDREN'S HOSPICE SOUTH WEST | 92Excellent | — | South West |
| #50 | WATER 2 BUSINESS LIMITED | 92Excellent | — | South West |
| #51 | CHILDREN FIRST ACADEMY TRUST | 91Excellent | — | Unknown |
| #52 | DANBRO EMPLOYMENT UMBRELLA LTD | 91Excellent | — | North West |
| #53 | WILSON BOWDEN DEVELOPMENTS LIMITED | 91Excellent | Property | East Midlands |
| #54 | STIRLING ACKROYD GROUP LIMITED | 91Excellent | — | South East |
| #55 | OSBORNE CO-OPERATIVE ACADEMY TRUST | 91Excellent | — | East of England |
| #56 | MILESTONE RESTAURANTS LIMITED | 91Excellent | — | Unknown |
| #57 | SOGO MOBILITY LIMITED | 91Excellent | — | East of England |
| #58 | GO CITY LIMITED | 90Excellent | Lifestyle And Entertainment | London |
| #59 | TEKSYSTEMS GLOBAL SERVICES (UK) LIMITED | 90Good | Information Technology | South East |
| #60 | NOVIA FINANCIAL PLC | 90Good | — | South West |
| #61 | BAE SYSTEMS PROPERTIES LIMITED | 90Good | — | South East |
| #62 | GLENDALE COUNTRYSIDE LIMITED | 90Good | — | North West |
| #63 | GLOBAL AEROSPACE UNDERWRITING MANAGERS LIMITED | 90Good | — | London |
| #64 | BLOOM FRESH INTERNATIONAL LIMITED | 90Good | — | Unknown |
| #65 | APOLLO PARTNERS LLP | 89Good | — | London |
| #66 | URENCO ENRICHMENT COMPANY LIMITED | 89Good | — | Unknown |
| #67 | SSE UTILITY SOLUTIONS LIMITED | 89Good | — | South East |
| #68 | BAE SYSTEMS SERVICES LIMITED | 89Good | — | South East |
| #69 | IRON MOUNTAIN (UK) PLC | 89Good | — | London |
| #70 | CAROOLA GROUP LTD | 89Good | Financial Services | North West |
| #71 | VAN OORD UK LIMITED | 88Good | — | South East |
| #72 | TENEO FINANCIAL ADVISORY LIMITED | 88Good | — | London |
| #73 | RWE RENEWABLES MANAGEMENT UK LIMITED | 88Good | Professional Services | South West |
| #74 | MUSGRAVE RETAIL STORES NI LIMITED | 88Good | — | Northern Ireland |
| #75 | TURNER & TOWNSEND GROUP LIMITED | 88Good | — | Yorkshire and The Humber |
| #76 | GAMESYS LIMITED | 87Good | Creative | London |
| #77 | DELOITTE TECHNOLOGY LIMITED | 87Good | — | London |
| #78 | MILLS & REEVE LLP | 87Good | — | London |
| #79 | SUPER SMART SERVICE LTD | 87Good | — | West Midlands |
| #80 | ELEVATE MULTI ACADEMY TRUST | 86Good | — | Yorkshire and The Humber |
| #81 | KAPLAN INTERNATIONAL COLLEGES U.K. LIMITED | 86Good | — | London |
| #82 | MARITIME INSIGHTS & INTELLIGENCE LIMITED | 85Good | — | London |
| #83 | ONTARIO TEACHERS' PENSION PLAN (EUROPE) LIMITED | 85Good | Financial Services | London |
| #84 | SYSTRA LIMITED | 85Good | — | London |
| #85 | VISA PAYMENTS LIMITED | 85Good | — | Unknown |
| #86 | KISTOS PLC | 85Good | — | London |
| #87 | EMPIRIC STUDENT PROPERTY PLC | 85Good | Property | London |
| #88 | FIRST COMPLETE LIMITED | 85Good | — | North East |
| #89 | NBCUNIVERSAL INTERNATIONAL OPERATIONS LIMITED | 85Good | — | London |
| #90 | WOODLAND GLOBAL LTD | 85Good | Supply Chain | East of England |
| #91 | FOOTBALLCO MEDIA LIMITED | 84Good | — | London |
| #92 | STOUR VALE ACADEMY TRUST | 84Good | — | Unknown |
| #93 | J.M. GLENDINNING GROUP LIMITED | 84Good | — | Yorkshire and The Humber |
| #94 | CALLITECH LIMITED | 84Good | — | Wales |
| #95 | MACE CONSTRUCT LIMITED | 84Good | — | London |
| #96 | CITADEL HF MANAGEMENT (EUROPE) LLP | 84Good | — | London |
| #97 | NTT DATA UK LIMITED | 84Good | — | London |
| #98 | CHECKOUT TECHNOLOGY LTD | 84Good | — | Unknown |
| #99 | THE HARBOROUGH HARE LIMITED | 83Good | — | East Midlands |
| #100 | TAILSCO LIMITED | 83Good | — | South East |