| 1 | Federal Express CORPORATION | Unitedkingdom | Nuneaton | Fedex House | Warwickshire | CV11 4AL | fedex.***** | 1989 | $69,693,000,000 | 41 | N/A | N/A | N/A |
| 2 | Eg Group Holdings LIMITED | Unitedkingdom | Blackburn | Waterside Head Office | Blackburn With Darwen | BB1 2FA | eg.***** | 2016 | $24,198,000,000 | 40,156 | N/A | N/A | N/A |
| 3 | International Distribution Services LIMITED | Unitedkingdom | Moorgate | 185 Farringdon Road | London | EC1A 1AA | internationaldistributionservices.***** | 1516 | $16,091,058,369 | 166,203 | N/A | N/A | N/A |
| 4 | Network Rail LIMITED | Unitedkingdom | London | Waterloo General Office | London | SE1 8SW | networkrail.***** | 2002 | $14,351,254,825 | 41,331 | N/A | N/A | N/A |
| 5 | Mitsui O.S.K. Lines, LIMITED | Unitedkingdom | Stepney | 3 Thomas More Square | London | E1W 1WY | N/A | 1989 | $10,751,680,000 | 200 | N/A | N/A | N/A |
| 6 | Royal Mail Group LIMITED | Unitedkingdom | Moorgate | 185 Farringdon Road | London | EC1A 1AA | marketreach.***** | 2001 | $9,923,178,909 | 125,455 | N/A | N/A | N/A |
| 7 | Carnival PLC | Unitedkingdom | Western Docks | Carnival House | Southampton | SO15 1ST | carnivalukcareers.***** | 2000 | $9,413,000,000 | 42,919 | N/A | N/A | N/A |
| 8 | Hd Hyundai Heavy Industries CO., LTD | Unitedkingdom | Shepherd'S Bush | The Triangle 2nd Floor | London | W6 0LG | hhi.***** | 2019 | $9,225,739,415 | 37 | N/A | N/A | N/A |
| 9 | Tui UK LIMITED | Unitedkingdom | Sundon Park | Wigmore House | Luton | LU2 9TN | tui.***** | 1965 | $8,061,330,380 | 2,788 | N/A | N/A | N/A |
| 10 | Oocl UK Branch | Unitedkingdom | Stratton Hall | Oocl House | Suffolk | IP10 0NE | oocl.***** | 1995 | $7,242,351,538 | 130 | N/A | N/A | N/A |
| 11 | Transport Trading LIMITED | Unitedkingdom | Chiswick | Unit 1 Turnham Green Station | London | W4 1LR | tfl.***** | 2000 | $7,022,244,985 | 18,348 | N/A | N/A | N/A |
| 12 | Jet2holidays LIMITED | Unitedkingdom | Collingham | Holiday House | Leeds, West Yorkshire | LS11 9AW | jet2.***** | 2002 | $6,731,110,922 | 1,758 | N/A | N/A | N/A |
| 13 | Firstgroup PLC | Unitedkingdom | Bridge of Don | 395 King Street | Aberdeen City | AB24 5RP | firstgroupplc.***** | 1978 | $6,408,793,506 | 30,763 | N/A | N/A | N/A |
| 14 | Asiana Airlines, INC. | Unitedkingdom | Bardfield End Green | Cargo Shed Cargo Terminal | Essex | CM24 1QJ | flyasiana.***** | 1999 | $5,972,731,270 | 1 | N/A | N/A | N/A |
| 15 | Swiss International Air Lines LTD. | Unitedkingdom | West Drayton | Heathrow Boulevard No 2284 Bath Road | London | UB7 0AA | swiss.***** | 2001 | $5,406,430,806 | 250 | N/A | N/A | N/A |
| 16 | Mobico Group PLC | Unitedkingdom | Digbeth | National Express House | Birmingham, West Midlands | B5 6DD | nationalexpress.***** | 1992 | $4,325,838,057 | 49,785 | N/A | N/A | N/A |
| 17 | Dhl Supply Chain LIMITED | Unitedkingdom | Milton Keynes | 251 Midsummer Boulevard | Milton Keynes | MK9 1EA | dhl.***** | 1969 | $3,970,814,839 | 740 | N/A | N/A | N/A |
| 18 | Mouser Electronics INC. | Unitedkingdom | Booker | Artisan | Buckinghamshire | HP12 4HJ | mouser.***** | 2011 | $3,714,541,996 | 15 | N/A | N/A | N/A |
| 19 | Rcl Cruises LTD | Unitedkingdom | Weybridge | Building 3 | Surrey | KT13 0NY | celebritycruises.***** | 2010 | $3,441,990,000 | 358 | N/A | N/A | N/A |
| 20 | London Underground LIMITED | Unitedkingdom | London | Railway Arches Midland Road | London | E10 6JT | tfl.***** | 1985 | $3,336,492,819 | 16,818 | N/A | N/A | N/A |
| 21 | St Shipping And Transport PTE. LTD. | Unitedkingdom | Marylebone | 18 Hanover Square | London | W1S 1JY | N/A | 2006 | $3,315,761,000 | 118 | N/A | N/A | N/A |
| 22 | United Arab Shipping Company (S.A.G.) | Unitedkingdom | Stratford | 2nd Floor | London | E15 4BQ | unitsixcafe.***** | 1977 | $3,240,551,000 | 2,306 | N/A | N/A | N/A |
| 23 | Tui Airways LIMITED | Unitedkingdom | Sundon Park | Wigmore House | Luton | LU2 9TN | tui.***** | 1947 | $3,019,690,730 | 5,202 | N/A | N/A | N/A |
| 24 | Tesco Distribution LIMITED | Unitedkingdom | Water End | Tesco House, Shire Park | Hertfordshire | AL7 1GA | tesco.***** | 1995 | $2,972,312,960 | 17,300 | N/A | N/A | N/A |
| 25 | Transport UK Group LIMITED | Unitedkingdom | Moorgate | St Andrews House | London | EC4A 3AG | eastmidlandsrailway.***** | 2002 | $2,865,525,727 | 11,096 | N/A | N/A | N/A |
| 26 | Priceline. Com International LIMITED | Unitedkingdom | Moorgate | 280 Bishopsgate | London | EC2M 4AG | N/A | 2005 | $2,803,180,353 | 14 | N/A | N/A | N/A |
| 27 | Tianjin Airlines CO., LTD | Unitedkingdom | Marylebone | 37-39 George Street | London | W1U 3QD | N/A | 2016 | $2,732,061,568 | 770 | N/A | N/A | N/A |
| 28 | Gbt UK Topco LIMITED | Unitedkingdom | Moorgate | 33 Charterhouse Street | London | EC1M 6HA | N/A | 2019 | $2,637,231,601 | 17,293 | N/A | N/A | N/A |
| 29 | Lufthansa Cargo Aktiengesellschaft | Unitedkingdom | Eastcote and East Ruislip | World Business Centre 1 Newall Road | London | TW6 2FA | N/A | 1995 | $2,591,837,082 | 4,656 | N/A | N/A | N/A |
| 30 | Govia Thameslink Railway LIMITED | Unitedkingdom | Derby | Govia Thameslink Railway | Derby | DE1 9RQ | thameslinkrailway.***** | 2012 | $2,528,087,702 | 7,454 | N/A | N/A | N/A |
| 31 | Magical Cruise Company, LIMITED | Unitedkingdom | Hammersmith | 3 Queen Caroline Street | London | W6 9PE | mmvbrandon.***** | 1996 | $2,498,195,000 | 7,788 | N/A | N/A | N/A |
| 32 | Msc Cruise Management (UK) LIMITED | Unitedkingdom | Harmondsworth | 5 Roundwood Avenue | London | UB11 1AF | msccruises.***** | 2014 | $2,419,888,154 | 248 | N/A | N/A | N/A |
| 33 | Gxo Logistics UK LIMITED | Unitedkingdom | Northampton | Lancaster House | Northamptonshire | NN1 5GE | N/A | 1962 | $2,283,480,138 | 27,679 | N/A | N/A | N/A |
| 34 | Wallenius Wilhelmsen Ocean AS | Unitedkingdom | Southampton | So Fourteen, 2nd Floor | Southampton | SO14 2AW | 2wglobal.***** | 1999 | $2,256,833,000 | 549 | N/A | N/A | N/A |
| 35 | Booker Direct LIMITED | Unitedkingdom | Royton | Salmon Fields | Manchester, Greater Manchester | OL2 6JG | 3663.***** | 2000 | $2,154,719,197 | 1,759 | N/A | N/A | N/A |
| 36 | Evri LIMITED | Unitedkingdom | Collingham | Capitol House 1,capitol Close, | Leeds, West Yorkshire | LS27 0WH | evri.***** | 1999 | $2,139,723,684 | 8,259 | N/A | N/A | N/A |
| 37 | Easyjet Holidays LIMITED | Unitedkingdom | Luton | Hangar 89 London Luton Airport | Luton | LU2 9PF | easyjet.***** | 2019 | $2,012,686,065 | 407 | N/A | N/A | N/A |
| 38 | Holbud Group LIMITED | Unitedkingdom | Saint Giles | 61 Charlotte Street | London | W1T 4PF | holbud.***** | 2013 | $2,003,033,784 | 45 | N/A | N/A | N/A |
| 39 | London Bus Services LIMITED | Unitedkingdom | London | 172 Buckingham Palace Road | London | SW1W 9TN | N/A | 2000 | $1,987,554,737 | 408 | N/A | N/A | N/A |
| 40 | Stagecoach Group LIMITED | Unitedkingdom | Rochallie | 10 Dunkeld Road | Perth and Kinross | PH1 5TW | stagecoach.***** | 1980 | $1,983,337,579 | 24,669 | N/A | N/A | N/A |
| 41 | Dhl Services LIMITED | Unitedkingdom | Milton Keynes | Solstice House | Milton Keynes | MK9 1EQ | N/A | 1997 | $1,964,959,075 | 34,691 | N/A | N/A | N/A |
| 42 | First Greater Western LIMITED | Unitedkingdom | Swindon | Milford House | Swindon | SN1 1HL | firstgreatwestern.***** | 2004 | $1,843,962,442 | 6,471 | N/A | N/A | N/A |
| 43 | Dpdgroup UK LTD | Unitedkingdom | Smethwick | Roebuck Lane | Sandwell, West Midlands | B66 1BY | dpd.***** | 1962 | $1,837,574,249 | 9,367 | N/A | N/A | N/A |
| 44 | Eurostar International LIMITED | Unitedkingdom | London | Kings Place | London | N1 9AG | N/A | 1990 | $1,678,157,432 | 1,860 | N/A | N/A | N/A |
| 45 | Berge Bulk Shipping PTE. LTD. | Unitedkingdom | Moorgate | City Pavillion Cannon Green Building | London | EC4R 0AA | N/A | 2022 | $1,613,366,000 | 64 | N/A | N/A | N/A |
| 46 | SE Trains LIMITED | Unitedkingdom | Rotherhithe | Second Floor | London | SE1 2AU | N/A | 1996 | $1,596,531,244 | 4,629 | N/A | N/A | N/A |
| 47 | Torm PLC | Unitedkingdom | Moorgate | 120 Cannon Street | London | EC4N 6AS | N/A | 2015 | $1,559,200,000 | 869 | N/A | N/A | N/A |
| 48 | Wincanton LIMITED | Unitedkingdom | Lavington Sands | Methuen Park | Wiltshire | SN14 0WT | wincanton.***** | 1925 | $1,484,328,854 | 19,453 | N/A | N/A | N/A |
| 49 | Chevron International Tankship LIMITED | Unitedkingdom | Stepney | 1 Westferry Circus | London | E14 4HA | fammllc.***** | 1950 | $1,479,235,000 | 24 | N/A | N/A | N/A |
| 50 | Northern Trains LIMITED | Unitedkingdom | York | George Stephenson House | York | YO1 6JT | N/A | 1995 | $1,440,457,394 | 7,115 | N/A | N/A | N/A |
| 51 | Bp Shipping LIMITED | Unitedkingdom | Sunbury-on-thames | Chertsey Road | Surrey | TW16 7BP | bp.***** | 1915 | $1,432,636,000 | 163 | N/A | N/A | N/A |
| 52 | Kuehne + Nagel LIMITED | Unitedkingdom | Harmondsworth | 1 Roundwood Avenue | London | UB11 1FG | kuehne-nagel.***** | 1890 | $1,430,498,549 | 3,694 | N/A | N/A | N/A |
| 53 | Scotrail Trains LIMITED | Unitedkingdom | Glasgow | Atrium Court | Glasgow City | G2 6HQ | scotrail.***** | 2007 | $1,411,265,392 | 5,089 | N/A | N/A | N/A |
| 54 | Ups LIMITED | Unitedkingdom | Staines-upon-thames | 2 Green Business Centre | Surrey | TW18 3AL | ups.***** | 1907 | $1,386,285,007 | 7,891 | N/A | N/A | N/A |
| 55 | First Mtr South Western Trains LIMITED | Unitedkingdom | Paddington | 8th Floor | London | W2 1AF | southwesternrailway.***** | 2012 | $1,377,425,817 | 5,415 | N/A | N/A | N/A |
| 56 | First Trenitalia West Coast Rail LIMITED | Unitedkingdom | Paddington | 8th Floor | London | W2 1AF | N/A | 2016 | $1,293,738,099 | 3,296 | N/A | N/A | N/A |
| 57 | London North Eastern Railway LIMITED | Unitedkingdom | York | West Office | York | YO1 6GA | virgintrainseastcoast.***** | 2003 | $1,281,833,335 | 3,337 | N/A | N/A | N/A |
| 58 | Gatwick Airport LIMITED | Unitedkingdom | Gatwick | 5th Floor | Gloucestershire | RH6 0NP | airportcars-gatwick.***** | 1986 | $1,265,256,169 | 2,294 | N/A | N/A | N/A |
| 59 | Gbt Travel Services UK LIMITED | Unitedkingdom | Moorgate | 33 Charterhouse Street | London | EC1M 6HA | N/A | 2013 | $1,262,419,000 | 1,727 | N/A | N/A | N/A |
| 60 | Trailfinders LIMITED | Unitedkingdom | Ladbroke Grove | 42-50 Earls Court Road | London | W8 6FT | trailfinders.***** | 1971 | $1,230,179,717 | 1,006 | N/A | N/A | N/A |
| 61 | P&O Ferries Division Holdings LIMITED | Unitedkingdom | Eastry | Channel House | Kent | CT17 9TJ | poferries.***** | 2006 | $1,197,155,946 | 2,220 | N/A | N/A | N/A |
| 62 | Grt Bus Group LIMITED | Unitedkingdom | Bridge of Don | 395 King Street | Aberdeen City | AB24 5RP | firstgroup.***** | 1988 | $1,194,972,985 | 20,000 | N/A | N/A | N/A |
| 63 | Navig8 Europe LIMITED | Unitedkingdom | London | 6th Floor | London | SW1E 6SQ | navig8group.***** | 2003 | $1,190,439,238 | 89 | N/A | N/A | N/A |
| 64 | The Asahi Shimbun Company | Unitedkingdom | Moorgate | Holborn | London | EC1N 2JD | N/A | 2005 | $1,179,525,046 | 8 | N/A | N/A | N/A |
| 65 | Post Office LIMITED | Unitedkingdom | Moorgate | 100 Wood Street | London | EC2V 7ER | postoffice.***** | 1987 | $1,157,429,232 | 3,719 | N/A | N/A | N/A |
| 66 | Unipart Group LIMITED | Unitedkingdom | Marston | Unipart House | Oxfordshire | OX4 2PG | unipart.***** | 1957 | $1,155,111,838 | 8,310 | N/A | N/A | N/A |
| 67 | Methane Services LIMITED | Unitedkingdom | London | Rivermill House | London | SW1V 3JN | N/A | 1962 | $1,151,398,000 | 268 | N/A | N/A | N/A |
| 68 | Rail For London LIMITED | Unitedkingdom | City of London | 5 Endeavour Square | London | E20 1JN | N/A | 2006 | $1,115,167,836 | 230 | N/A | N/A | N/A |
| 69 | Environment Agency | Unitedkingdom | London | 1 C Nobel House | London | SW1P 3JR | N/A | 2012 | $1,088,137,684 | 12,500 | N/A | N/A | N/A |
| 70 | Dhl Air (UK) LIMITED | Unitedkingdom | Eastcote and East Ruislip | Unit 1 Southern Hub | London | SL3 0BB | parcel.***** | 1983 | $1,082,709,473 | 823 | N/A | N/A | N/A |
| 71 | Brother International Europe LIMITED | Unitedkingdom | Denton | Brother House | Manchester, Greater Manchester | M34 5JE | brother.***** | 1960 | $1,060,226,315 | 184 | N/A | N/A | N/A |
| 72 | Chevron Tankers LIMITED | Unitedkingdom | Stepney | 1 Westferry Circus Canary Wharf | London | E14 4HA | chevron.***** | 1999 | $1,051,537,000 | 33 | N/A | N/A | N/A |
| 73 | Transport For Wales | Unitedkingdom | Pencoed | Transport for Wales | Bridgend | CF37 4TH | tfw.***** | 2015 | $1,021,547,492 | 4,574 | N/A | N/A | N/A |
| 74 | Sikka Ports & Terminals LIMITED | Unitedkingdom | Marylebone | Second Floor | London | W1J 6BD | N/A | 1998 | $969,148,658 | 629 | N/A | N/A | N/A |
| 75 | Associated British Ports | Unitedkingdom | Marylebone | 2nd Floor | London | WC2E 9ES | abports.***** | 1963 | $959,128,201 | 2,353 | N/A | N/A | N/A |
| 76 | Logistics Group LIMITED | Unitedkingdom | Birmingham | C/o Teneo Financial Advisory Ltd | Birmingham, West Midlands | B4 6AT | pi-sq.***** | 2012 | $956,993,747 | 4,519 | N/A | N/A | N/A |
| 77 | Whistl Consolidated LIMITED | Unitedkingdom | Marlow | Network House | Buckinghamshire | SL7 1EY | whistl.***** | 2019 | $955,143,141 | 2,413 | N/A | N/A | N/A |
| 78 | Marella Cruises LIMITED | Unitedkingdom | Sundon Park | Wigmore House | Luton | LU2 9TN | N/A | 2020 | $947,457,740 | 82 | N/A | N/A | N/A |
| 79 | Dhl Global Forwarding (UK) LIMITED | Unitedkingdom | Hayes | Danzas House | London | UB3 1HJ | dhl.***** | 1969 | $926,986,174 | 1,059 | N/A | N/A | N/A |
| 80 | Hitachi Rail LIMITED | Unitedkingdom | Moorgate | 7th Floor | London | EC4M 7AW | hitachirail.***** | 1910 | $920,264,114 | 2,610 | N/A | N/A | N/A |
| 81 | Stabilo International GMBH | Unitedkingdom | Maidenhead | Building 1 | Windsor and Maidenhead | SL6 4BY | stabilo.***** | 2007 | $910,988,814 | 12 | N/A | N/A | N/A |
| 82 | Transport UK East Anglia LIMITED | Unitedkingdom | Moorgate | 2nd Floor | London | EC4A 3AG | abellio.***** | 2011 | $909,522,358 | 4,129 | N/A | N/A | N/A |
| 83 | Tankers (UK) Agencies LIMITED | Unitedkingdom | South Kensington | 81 Kings Road | London | SW3 4NX | tankersinternational.***** | 1999 | $908,159,000 | 20 | N/A | N/A | N/A |
| 84 | Tankers International LIMITED | Unitedkingdom | London | Verde Building | London | SW1E 5DH | rhrinternational.***** | 2000 | $907,822,000 | 1 | N/A | N/A | N/A |
| 85 | Xpo Logistics Supply Chain, INC. | Unitedkingdom | Belfast | 5-7 Upper Queen Street | Belfast | BT1 6FS | N/A | 2010 | $881,414,857 | 4 | N/A | N/A | N/A |
| 86 | Eps Chartering (UK) LIMITED | Unitedkingdom | Marylebone | 5th Floor | London | W1J 8AE | N/A | 2016 | $866,444,000 | 7 | N/A | N/A | N/A |
| 87 | Flight Centre (UK) Wholesale LIMITED | Unitedkingdom | Moorgate | 80 High Holborn | London | WC1V 6LS | flightcentre.***** | 1994 | $863,165,860 | 20 | N/A | N/A | N/A |
| 88 | Schenker Global Management & Services GMBH | Unitedkingdom | Eastcote and East Ruislip | Schenker House Scylla Rd | London | TW13 7DU | dbschenker.***** | 2018 | $840,204,670 | 219 | N/A | N/A | N/A |
| 89 | West Midlands Trains LIMITED | Unitedkingdom | Aston | 134 Edmund Street | Birmingham, West Midlands | B3 2ES | wmtrains.***** | 2015 | $826,405,741 | 2,953 | N/A | N/A | N/A |
| 90 | Suzuki Gb PLC | Unitedkingdom | Woodhill | Steinbeck Crescent | Milton Keynes | MK4 4AE | suzuki.***** | 1963 | $820,796,270 | 178 | N/A | N/A | N/A |
| 91 | London General Transport Services LIMITED | Unitedkingdom | Newcastle Upon Tyne | 55 Degrees North | Newcastle Upon Tyne, Tyne and Wear | NE1 6BL | goaheadlondon.***** | 1989 | $814,845,707 | 7,742 | N/A | N/A | N/A |
| 92 | Xpo Transport Solutions UK LIMITED | Unitedkingdom | Watford | Distribution House | Northamptonshire | NN6 7SL | xpo.***** | 2008 | $799,252,761 | 4,065 | N/A | N/A | N/A |
| 93 | Whistl UK LIMITED | Unitedkingdom | Marlow | Network House | Buckinghamshire | SL7 1EY | whistl.***** | 2002 | $778,467,211 | 1,316 | N/A | N/A | N/A |
| 94 | Transport For Wales Rail LTD | Unitedkingdom | Pencoed | 3 Llys Cadwyn | Bridgend | CF37 4TH | tfw.***** | 2020 | $777,807,652 | 3,533 | N/A | N/A | N/A |
| 95 | Dhl Ecommerce UK LIMITED | Unitedkingdom | Slough | Express House | Slough | SL1 4LZ | N/A | 1969 | $767,968,489 | 3,813 | N/A | N/A | N/A |
| 96 | Stena Line LIMITED | Unitedkingdom | Ashford | Stena Line Ltd | Kent | TN23 1PP | N/A | 1989 | $764,158,710 | 2,167 | N/A | N/A | N/A |
| 97 | Seaco Global LIMITED | Unitedkingdom | Rotherhithe | 4th Floor Union House | London | SE1 0LH | seacoglobal.***** | 1998 | $754,290,000 | 258 | N/A | N/A | N/A |
| 98 | Xc Trains LIMITED | Unitedkingdom | East Herrington | Fao Arriva Plc | Sunderland, Tyne and Wear | SR3 3XP | crosscountrytrains.***** | 1844 | $748,291,959 | 1,866 | N/A | N/A | N/A |
| 99 | Turners (soham) Holdings LIMITED | Unitedkingdom | Newmarket | Fordham Road | Suffolk | CB8 7NR | turners-distribution.***** | 2011 | $717,170,031 | 4,515 | N/A | N/A | N/A |
| 100 | Gist LIMITED | Unitedkingdom | Lychpit | Rosewood, Crockford Lane | Hampshire | RG24 8UB | gistworld.***** | 1961 | $709,345,480 | 5,573 | N/A | N/A | N/A |