| π₯ | NEO ENERGY (ZNI) LIMITED | 100Excellent | Property | Northern Ireland | Get Certified |
| π₯ | ESSO UK LIMITED | 100Excellent | Financial Services | South East | Get Certified |
| π₯ | NEO ENERGY PATHWAY LIMITED | 100Excellent | Energy | London | Get Certified |
| #4 | VOLVO CAR FINANCIAL SERVICES UK LIMITED | 100Excellent | Financial Services | South East | Get Certified |
| #5 | SMART TECHNOLOGY HOLDINGS LIMITED | 100Excellent | Software | London | Get Certified |
| #6 | DEREK RAPHAEL (HOLDINGS) LIMITED | 100Excellent | Supply Chain | South West | Get Certified |
| #7 | MOTT MACDONALD BENTLEY LTD | 100Excellent | Environment | Yorkshire and The Humber | Get Certified |
| #8 | ALPHA FX LIMITED | 100Excellent | Software | London | Get Certified |
| #9 | I & A RESTAURANTS LTD | 100Excellent | Events And Venues | West Midlands | Get Certified |
| #10 | DEREK RAPHAEL & COMPANY LIMITED | 100Excellent | Raw Materials And Intermediate Goods | South West | Get Certified |
| #11 | PFPL PROJECTS (HINCKLEY) LTD | 100Excellent | Sports | London | Get Certified |
| #12 | LOTUS INTERNATIONAL LIMITED | 100Excellent | Travel And Transportation | London | Get Certified |
| #13 | RIDDINGTONS CIS & PAYROLL SOLUTIONS UK LTD | 100Excellent | Financial Services | South East | Get Certified |
| #14 | THESIS UNIT TRUST MANAGEMENT LIMITED | 100Excellent | Financial Services | South East | Get Certified |
| #15 | GIANT PRECISION CONTRACTS LIMITED | 100Excellent | Professional Services | London | Get Certified |
| #16 | ESJ RESTAURANTS LIMITED | 99Excellent | Events And Venues | Scotland | Get Certified |
| #17 | LOTUS TRAVEL LIMITED | 99Excellent | Travel And Transportation | London | Get Certified |
| #18 | C M RESTAURANTS (HOLDINGS) LIMITED | 99Excellent | Events And Venues | East Midlands | Get Certified |
| #19 | THE ASSOCIATED BOARD OF THE ROYAL SCHOOLS OF MUSIC | 99Excellent | Media And Publishing | London | Get Certified |
| #20 | INVESTMENT FUND SERVICES LIMITED | 99Excellent | Financial Services | North West | Get Certified |
| #21 | A F A RESTAURANTS LIMITED | 98Excellent | Events And Venues | Unknown | Get Certified |
| #22 | CRAIGTON FOODS LIMITED | 98Excellent | Events And Venues | Scotland | Get Certified |
| #23 | NES ADVANTAGE LIMITED | 98Excellent | Human Resources | North West | Get Certified |
| #24 | LAMBTRAD LTD | 98Excellent | Events And Venues | South West | Get Certified |
| #25 | RLUM LIMITED | 98Excellent | Financial Services | London | Get Certified |
| #26 | CITADEL HF MANAGEMENT (EUROPE) LLP | 98Excellent | β | London | Get Certified |
| #27 | CARE UNBOUND LIMITED | 98Excellent | Care Services | South East | Get Certified |
| #28 | POLAR CAPITAL LLP | 98Excellent | β | London | Get Certified |
| #29 | BURBO EXTENSION PSC LIMITED | 97Excellent | Financial Services | London | Get Certified |
| #30 | WMR JV INVESTCO LIMITED | 97Excellent | Energy | London | Get Certified |
| #31 | WMR JV HOLDCO LIMITED | 97Excellent | Financial Services | London | Get Certified |
| #32 | BLUE MOTOR FINANCE LIMITED | 97Excellent | Financial Services | South East | Get Certified |
| #33 | KAZPER RESTAURANTS LIMITED | 97Excellent | Events And Venues | South East | Get Certified |
| #34 | CONCRETE REPAIRS LIMITED | 97Excellent | Infrastructure And Construction | Other | Get Certified |
| #35 | RAISE EDUCATION TRUST | 97Excellent | Education | South East | Get Certified |
| #36 | HYUNDAI MOTOR UK LIMITED | 97Excellent | Road Travel | South East | Get Certified |
| #37 | WORLDPAY GROUP LIMITED | 97Excellent | Professional Services | London | Get Certified |
| #38 | NORTH HIGHLAND UK LIMITED | 97Excellent | Professional Services | London | Get Certified |
| #39 | NUCLEUS (GB) LIMITED | 97Excellent | Events And Venues | North East | Get Certified |
| #40 | ORSTED LINCS (UK) LTD | 97Excellent | Professional Services | London | Get Certified |
| #41 | CATCH 22 CHARITY LIMITED | 97Excellent | Healthcare And Wellbeing | London | Get Certified |
| #42 | HORNSEA 1 LIMITED | 97Excellent | Professional Services | London | Get Certified |
| #43 | QUIDCO LIMITED | 97Excellent | Marketing And Sales | Wales | Get Certified |
| #44 | ORSTED POWER (GUNFLEET SANDS) LTD | 97Excellent | Professional Services | London | Get Certified |
| #45 | CGN RESTAURANTS LIMITED | 96Excellent | Events And Venues | Unknown | Get Certified |
| #46 | WESTERMOST ROUGH LIMITED | 96Excellent | Energy | London | Get Certified |
| #47 | PEACHKEY LTD | 96Excellent | Events And Venues | West Midlands | Get Certified |
| #48 | NORTHCARE (SCOTLAND) LTD. | 96Excellent | Care Services | Scotland | Get Certified |
| #49 | GUARDCAP ASSET MANAGEMENT LIMITED | 96Excellent | Financial Services | London | Get Certified |
| #50 | WALDORF PRODUCTION UK PLC | 96Excellent | Energy | North West | Get Certified |
| #51 | NEO ENERGY (SNS) LIMITED | 96Excellent | Property | Scotland | Get Certified |
| #52 | LINCS WIND FARM LIMITED | 96Excellent | Energy | Scotland | Get Certified |
| #53 | HANDELSBANKEN PLC | 96Excellent | Financial Services | London | Get Certified |
| #54 | KENTISH FLATS LIMITED | 96Excellent | Energy | London | Get Certified |
| #55 | VITALITY CORPORATE SERVICES LIMITED | 96Excellent | Financial Services | London | Get Certified |
| #56 | SUCDEN FINANCIAL LIMITED | 95Excellent | Financial Services | London | Get Certified |
| #57 | THE ACCESS BANK UK LIMITED | 95Excellent | Financial Services | North West | Get Certified |
| #58 | OXFORD DIRECT SERVICES LIMITED | 95Excellent | Property-related Goods And Services | South East | Get Certified |
| #59 | S & U PLC | 95Excellent | Financial Services | West Midlands | Get Certified |
| #60 | PROSPECTS SERVICES | 95Excellent | Human Resources | West Midlands | Get Certified |
| #61 | FIDELIS MARKETING LIMITED | 95Excellent | Marketing And Sales | London | Get Certified |
| #62 | CLEARBRIDGE INVESTMENT MANAGEMENT LIMITED | 95Excellent | Financial Services | Scotland | Get Certified |
| #63 | FIL INVESTMENT SERVICES (UK) LIMITED | 95Excellent | Financial Services | South East | Get Certified |
| #64 | JANE STREET UK PARTNERSHIP LLP | 95Excellent | β | London | Get Certified |
| #65 | WALNEY EXTENSION LIMITED | 95Excellent | Professional Services | London | Get Certified |
| #66 | CITADEL ENTERPRISE EUROPE SERVICES LIMITED | 95Excellent | Software | London | Get Certified |
| #67 | EAST X LLP | 95Excellent | Financial Services | London | Get Certified |
| #68 | FITCH SOLUTIONS GROUP LIMITED | 95Excellent | Financial Services | London | Get Certified |
| #69 | RACE BANK WIND FARM LIMITED | 95Excellent | Energy | London | Get Certified |
| #70 | MOUNTAIN BERG LIMITED | 94Excellent | Financial Services | London | Get Certified |
| #71 | WALNEY EXTENSION PSC LIMITED | 94Excellent | Professional Services | London | Get Certified |
| #72 | FIRST TRAVEL SOLUTIONS LIMITED | 94Excellent | Road Travel | North West | Get Certified |
| #73 | GIANT PRECISION PLANNING LIMITED | 94Excellent | Professional Services | London | Get Certified |
| #74 | UNION BANCAIRE PRIVΓE (UK) LIMITED | 94Excellent | Financial Services | London | Get Certified |
| #75 | CITADEL MANAGEMENT (EUROPE) III LIMITED | 94Excellent | β | London | Get Certified |
| #76 | EAST ALPHA LTD | 94Excellent | Financial Services | London | Get Certified |
| #77 | TEKSYSTEMS GLOBAL SERVICES (UK) LIMITED | 94Excellent | Information Technology | South East | Get Certified |
| #78 | SHAW TRUST LIMITED(THE) | 94Excellent | Care Services | West Midlands | Get Certified |
| #79 | THE CARBON TRUST | 94Excellent | Energy | London | Get Certified |
| #80 | THE GOSFORTH FEDERATED ACADEMIES LIMITED | 94Excellent | Education | North East | Get Certified |
| #81 | HSBC LIFE (UK) LIMITED | 94Excellent | Financial Services | London | Get Certified |
| #82 | CME TECHNOLOGY AND SUPPORT SERVICES LIMITED | 94Excellent | Software | Northern Ireland | Get Certified |
| #83 | CAROOLA GROUP LTD | 93Excellent | Financial Services | North West | Get Certified |
| #84 | CHILDREN'S HOSPICE SOUTH WEST | 93Excellent | Healthcare And Wellbeing | South West | Get Certified |
| #85 | BESTWAY RETAIL LIMITED | 93Excellent | Distribution And Delivery | London | Get Certified |
| #86 | CME OPERATIONS LIMITED | 93Excellent | Professional Services | London | Get Certified |
| #87 | SCOTRAIL TRAINS LIMITED | 93Excellent | Travel And Transportation | Scotland | Get Certified |
| #88 | BURBO EXTENSION LTD | 93Excellent | Professional Services | London | Get Certified |
| #89 | CITADEL MANAGEMENT (EUROPE) II LIMITED | 93Excellent | β | London | Get Certified |
| #90 | MOUNT ANVIL LIMITED | 93Excellent | Property | London | Get Certified |
| #91 | CRONER LIMITED | 93Excellent | Financial Services | North West | Get Certified |
| #92 | EXPERIENCE MORE LIMITED | 92Excellent | Commerce Models | London | Get Certified |
| #93 | ORSTED SCHRODERS GREENCOAT WODS HOLDCO LIMITED | 92Excellent | Energy | London | Get Certified |
| #94 | WESSEX RETAIL LIMITED | 92Excellent | Supply Chain | South West | Get Certified |
| #95 | FRP ADVISORY TRADING LIMITED | 92Excellent | Financial Services | London | Get Certified |
| #96 | CONNECTED PLACES CATAPULT | 92Excellent | Data | London | Get Certified |
| #97 | LEX LEISURE CIC | 92Excellent | β | West Midlands | Get Certified |
| #98 | CHILDREN FIRST ACADEMY TRUST | 91Excellent | Care Services | Unknown | Get Certified |
| #99 | GOLDMAN SACHS PROPERTY MANAGEMENT | 91Excellent | Property | London | Get Certified |
| #100 | BROADGATE (PHC 3) LIMITED | 91Excellent | Property | London | Get Certified |