| 🥇 | PARTNERSHIP LIFE ASSURANCE COMPANY LIMITED | 100Excellent | Financial Services | South East | Get Certified |
| 🥈 | SH EURO FINANCE PLC | 100Excellent | — | London | Get Certified |
| 🥉 | OPET INTERNATIONAL LIMITED | 100Excellent | — | London | Get Certified |
| #4 | PREMIER FUND MANAGERS LIMITED | 100Excellent | Financial Services | South East | Get Certified |
| #5 | ABERDEEN GROUP PLC | 100Excellent | Financial Services | Scotland | Get Certified |
| #6 | PREMIER OIL E&P UK ENERGY TRADING LIMITED | 100Excellent | Energy | West Midlands | Get Certified |
| #7 | MOTT MACDONALD BENTLEY LTD | 100Excellent | Environment | Yorkshire and The Humber | Get Certified |
| #8 | MEDICINES DISCOVERY CATAPULT SERVICES COMMERCIAL LIMITED | 100Excellent | Life Sciences And Medical Technology | North West | Get Certified |
| #9 | CINCH FLEETCO LIMITED | 100Excellent | Travel And Transportation | South East | Get Certified |
| #10 | TAQA BRATANI LNS LIMITED | 100Excellent | Energy | London | Get Certified |
| #11 | D.P.K. FOODS LTD. | 100Excellent | Events And Venues | Scotland | Get Certified |
| #12 | HERTFORD HEATH LIMITED | 100Excellent | Events And Venues | South East | Get Certified |
| #13 | ROSNEFT MARINE (UK) LIMITED | 100Excellent | Energy | East of England | Get Certified |
| #14 | CAPITA RETAIL FINANCIAL SERVICES LIMITED | 99Excellent | Financial Services | London | Get Certified |
| #15 | NEXUS MULTI ACADEMY TRUST | 99Excellent | Education | Yorkshire and The Humber | Get Certified |
| #16 | BMW FINANCIAL SERVICES (GB) LIMITED | 99Excellent | Financial Services | South East | Get Certified |
| #17 | METHANE SERVICES LIMITED | 99Excellent | Distribution And Delivery | London | Get Certified |
| #18 | AXA PPP HEALTHCARE LIMITED | 99Excellent | Financial Services | London | Get Certified |
| #19 | INVESTCORP CREDIT MANAGEMENT EU LIMITED | 99Excellent | Financial Services | London | Get Certified |
| #20 | TRAVIS PERKINS (PROPERTIES) LIMITED | 99Excellent | Property | East Midlands | Get Certified |
| #21 | AGCO LIMITED | 99Excellent | Agriculture | West Midlands | Get Certified |
| #22 | MD INSURANCE SERVICES LIMITED | 99Excellent | Financial Services | North West | Get Certified |
| #23 | CAPITA BIRMINGHAM LIMITED | 99Excellent | — | London | Get Certified |
| #24 | AXA SERVICES LIMITED | 99Excellent | Professional Services | London | Get Certified |
| #25 | SABRE INSURANCE COMPANY LIMITED | 99Excellent | Financial Services | South East | Get Certified |
| #26 | WESTERN MORTGAGE SERVICES LIMITED | 99Excellent | — | London | Get Certified |
| #27 | GIANT PRECISION PLANNING LIMITED | 99Excellent | Professional Services | London | Get Certified |
| #28 | CAPITA INSURANCE SERVICES LIMITED | 99Excellent | Financial Services | London | Get Certified |
| #29 | MASTERCARD PREPAID MANAGEMENT SERVICES LIMITED | 99Excellent | Human Resources | East of England | Get Certified |
| #30 | AMERICAN EXPRESS SERVICES EUROPE LIMITED | 99Excellent | Travel And Transportation | London | Get Certified |
| #31 | HOGG ROBINSON (TRAVEL) LIMITED | 98Excellent | Travel And Transportation | London | Get Certified |
| #32 | ENFINIUM FERRYBRIDGE 2 LIMITED | 98Excellent | — | London | Get Certified |
| #33 | RESOURCE SOLUTIONS LIMITED | 98Excellent | Human Resources | London | Get Certified |
| #34 | CA AUTO FINANCE UK LTD | 98Excellent | Financial Services | South East | Get Certified |
| #35 | TAYLOR ROSE LIMITED | 98Excellent | Professional Services | London | Get Certified |
| #36 | MEDICINES DISCOVERY CATAPULT LIMITED | 98Excellent | Life Sciences And Medical Technology | North West | Get Certified |
| #37 | BANNER GROUP LIMITED | 98Excellent | Marketing And Sales | Yorkshire and The Humber | Get Certified |
| #38 | MARKS AND SPENCER FINANCIAL SERVICES PLC | 98Excellent | Financial Services | North West | Get Certified |
| #39 | MARLBOROUGH GROUP HOLDINGS LIMITED | 98Excellent | Financial Services | North West | Get Certified |
| #40 | COUNTRYWIDE ASSURED PLC | 98Excellent | Financial Services | North West | Get Certified |
| #41 | BIDCONNECTER LIMITED | 98Excellent | Property | South East | Get Certified |
| #42 | THREADNEEDLE INVESTMENT SERVICES LIMITED | 98Excellent | Financial Services | London | Get Certified |
| #43 | METDIST LIMITED | 98Excellent | Raw Materials And Intermediate Goods | London | Get Certified |
| #44 | SOUTH HOOK GAS COMPANY LTD. | 98Excellent | Property | London | Get Certified |
| #45 | CITYSPRINT (UK) LIMITED | 98Excellent | Distribution And Delivery | South East | Get Certified |
| #46 | WALNEY EXTENSION LIMITED | 98Excellent | Professional Services | London | Get Certified |
| #47 | CAPITA LIFE & PENSIONS SERVICES LIMITED | 98Excellent | Financial Services | London | Get Certified |
| #48 | SMFLH OPERATIONS UK LIMITED | 98Excellent | Travel And Transportation | London | Get Certified |
| #49 | HOGG ROBINSON LIMITED | 98Excellent | Professional Services | London | Get Certified |
| #50 | DATALYNX LIMITED | 98Excellent | Information Technology | East of England | Get Certified |
| #51 | HURRICANE ENERGY PLC | 98Excellent | Energy | South East | Get Certified |
| #52 | TSB BANK PLC | 98Excellent | Financial Services | Scotland | Get Certified |
| #53 | NSMP OPERATIONS LIMITED | 98Excellent | Energy | London | Get Certified |
| #54 | CAPITA PENSION SOLUTIONS LIMITED | 97Excellent | Financial Services | London | Get Certified |
| #55 | FERN TRADING LIMITED | 97Excellent | Property | London | Get Certified |
| #56 | AMERICAN EXPRESS GROUP SERVICES LIMITED | 97Excellent | Human Resources | London | Get Certified |
| #57 | PROSPECTS SERVICES | 97Excellent | Human Resources | West Midlands | Get Certified |
| #58 | EDF ENERGY CUSTOMERS LIMITED | 97Excellent | Energy | London | Get Certified |
| #59 | LIQUIDNET EUROPE LIMITED | 97Excellent | Financial Services | London | Get Certified |
| #60 | EVOLVE ENERGY SUPPLY LIMITED | 97Excellent | Energy | North West | Get Certified |
| #61 | MEDICINES DISCOVERY CATAPULT SERVICES LIMITED | 97Excellent | Life Sciences And Medical Technology | West Midlands | Get Certified |
| #62 | HORNSEA 1 LIMITED | 97Excellent | Professional Services | London | Get Certified |
| #63 | PPF LIMITED | 97Excellent | Human Resources | West Midlands | Get Certified |
| #64 | PAYPOINT RETAIL SOLUTIONS LIMITED | 97Excellent | — | East of England | Get Certified |
| #65 | LINCS WIND FARM LIMITED | 97Excellent | Energy | Scotland | Get Certified |
| #66 | ZURICH EMPLOYMENT SERVICES LIMITED | 97Excellent | Human Resources | South West | Get Certified |
| #67 | AMERICAN EXPRESS PAYMENT SERVICES LIMITED | 97Excellent | Commerce Models | London | Get Certified |
| #68 | SEACO GLOBAL LIMITED | 97Excellent | Distribution And Delivery | London | Get Certified |
| #69 | BROOKFIELD GLOBAL RENEWABLE ENERGY ADVISOR LIMITED | 97Excellent | Energy | London | Get Certified |
| #70 | BOTTOMLINE TECHNOLOGIES LIMITED | 97Excellent | Financial Services | South East | Get Certified |
| #71 | CAPITA CUSTOMER MANAGEMENT LIMITED | 97Excellent | Software | London | Get Certified |
| #72 | N.I.I.B. GROUP LIMITED | 97Excellent | Financial Services | Northern Ireland | Get Certified |
| #73 | ACCORD MORTGAGES LIMITED | 97Excellent | Financial Services | Yorkshire and The Humber | Get Certified |
| #74 | BLACKDOWN EDUCATION PARTNERSHIP | 97Excellent | Education | South West | Get Certified |
| #75 | AVIVA PLC | 96Excellent | Financial Services | London | Get Certified |
| #76 | SCOTTISHPOWER ENERGY MANAGEMENT LIMITED | 96Excellent | Energy | Scotland | Get Certified |
| #77 | SEGRO ADMINISTRATION LIMITED | 96Excellent | Professional Services | London | Get Certified |
| #78 | CELL THERAPY CATAPULT LIMITED | 96Excellent | Life Sciences And Medical Technology | London | Get Certified |
| #79 | BURBO EXTENSION LTD | 96Excellent | Professional Services | London | Get Certified |
| #80 | BARBON INSURANCE GROUP LIMITED | 96Excellent | Financial Services | East Midlands | Get Certified |
| #81 | DARTMOOR MULTI ACADEMY TRUST | 96Excellent | Education | South West | Get Certified |
| #82 | MORSON PROJECTS LIMITED | 96Excellent | Human Resources | North West | Get Certified |
| #83 | METABOLIC HEALTHCARE LTD | 95Excellent | Primary Care | Yorkshire and The Humber | Get Certified |
| #84 | TEESSIDE GAS & LIQUIDS PROCESSING | 95Excellent | Energy | London | Get Certified |
| #85 | VIRGIN MEDIA WHOLESALE LIMITED | 95Excellent | Professional Services | South East | Get Certified |
| #86 | BRYT ENERGY LIMITED | 95Excellent | Energy | West Midlands | Get Certified |
| #87 | LIVANOVA PLC | 95Excellent | Life Sciences And Medical Technology | London | Get Certified |
| #88 | CINCH CARS LIMITED | 95Excellent | Commerce Models | South East | Get Certified |
| #89 | INTEL CORPORATION (UK) LIMITED | 95Excellent | Hardware | South West | Get Certified |
| #90 | SMSCMC (UK) LIMITED | 95Excellent | Professional Services | South East | Get Certified |
| #91 | JANUS HENDERSON ADMINISTRATION UK LIMITED | 95Excellent | Professional Services | London | Get Certified |
| #92 | JANUS HENDERSON INVESTORS INTERNATIONAL LIMITED | 95Excellent | Financial Services | London | Get Certified |
| #93 | JANUS HENDERSON INVESTORS UK LIMITED | 95Excellent | Financial Services | London | Get Certified |
| #94 | ZURICH ASSURANCE LTD | 95Excellent | Financial Services | South West | Get Certified |
| #95 | ROBERT HALF LIMITED | 95Excellent | Human Resources | West Midlands | Get Certified |
| #96 | BMW (UK) LIMITED | 95Excellent | Road Travel | South East | Get Certified |
| #97 | SOLICITORS REGULATION AUTHORITY LIMITED | 95Excellent | Professional Services | West Midlands | Get Certified |
| #98 | BANK OF IRELAND (UK) PLC | 95Excellent | Financial Services | London | Get Certified |
| #99 | LIMEJUMP LTD | 95Excellent | Information Technology | London | Get Certified |
| #100 | MAINLINE MENSWEAR LIMITED | 95Excellent | Commerce Models | North West | Get Certified |
