| 1 | Makro Opticals | Unitedkingdom | Barton Moss | Within Makro Store | Manchester, Greater Manchester | M30 7RT | store.***** | 2009 | $1,216,164,499 | 6,113 | N/A | N/A | N/A |
| 2 | Estee Lauder Cosmetics LIMITED | Unitedkingdom | Park Gate | Constellation House | Hampshire | PO14 4FL | elcompanies.***** | 1960 | $669,171,127 | 4,512 | N/A | N/A | N/A |
| 3 | Nhs Blood And Transplant | Unitedkingdom | Filton | 500-600 North Bristol Park | South Gloucestershire | BS34 7QH | nhsbt.***** | 2011 | $900,740,677 | 4,500 | N/A | N/A | N/A |
| 4 | L'oreal (U.K.) LIMITED | Unitedkingdom | Shepherd'S Bush | Gateway Central | London | W12 7SA | N/A | 1932 | $1,976,062,702 | 3,451 | N/A | N/A | N/A |
| 5 | L.rowland & Company (retail) LIMITED | Unitedkingdom | Runcorn | Rivington Road | Halton | WA7 3DJ | rowlandspharmacy.***** | 1988 | $520,613,098 | 3,245 | N/A | N/A | N/A |
| 6 | Aah Pharmaceuticals LIMITED | Unitedkingdom | Warwick | The Woods | Warwickshire | CV34 5AH | N/A | 1912 | $3,915,221,395 | 2,831 | N/A | N/A | N/A |
| 7 | Gorgemead LIMITED | Unitedkingdom | Lostock | Lynstock House | Manchester, Greater Manchester | BL6 4SA | cohenschemist.***** | 1979 | $327,698,122 | 2,376 | N/A | N/A | N/A |
| 8 | Glaxo Wellcome UK LIMITED | Unitedkingdom | Stevenage | Gsk Medicines Research Centre | Hertfordshire | SG1 2NY | N/A | 1950 | $9,375,776 | 1,694 | N/A | N/A | N/A |
| 9 | Becton, Dickinson U.K. LIMITED | Unitedkingdom | Sindlesham | 1030 Eskdale Road | Wokingham | RG41 5TS | bd.***** | 1897 | $752,236,455 | 1,645 | N/A | N/A | N/A |
| 10 | Phoenix Healthcare Distribution LIMITED | Unitedkingdom | Runcorn | Rivington Road Whitehouse Industrial Estate | Halton | WA7 3DJ | myp-i-n.***** | 1913 | $2,414,108,960 | 1,596 | N/A | N/A | N/A |
| 11 | Pct Healthcare LIMITED | Unitedkingdom | Chesterfield | Sycamore House | Derbyshire | S41 9PZ | murrays.***** | 1983 | $231,532,572 | 1,456 | N/A | N/A | N/A |
| 12 | Lloyds Clinical LIMITED | Unitedkingdom | Harlow | Scimitar Park | Essex | CM19 5GU | lpclinicalhomecare.***** | 1992 | $1,663,492,320 | 1,424 | N/A | N/A | N/A |
| 13 | Movianto UK LIMITED | Unitedkingdom | Wootton | Unit 1 Bedford Link Logistics Park | Bedford Borough | MK43 9SS | movianto.***** | 1980 | $262,554,690 | 1,374 | N/A | N/A | N/A |
| 14 | Haleon UK Trading Services LIMITED | Unitedkingdom | Weybridge | The Heights Building 5 | Surrey | KT13 0NY | N/A | 1715 | $4,940,969,338 | 1,346 | N/A | N/A | N/A |
| 15 | Avicenna Retail LTD | Unitedkingdom | Selsdon | Selsdon House | London | CR2 8LD | avicenna.***** | 1987 | $215,173,727 | 1,313 | N/A | N/A | N/A |
| 16 | Paydens LIMITED | Unitedkingdom | Maidstone | Parkwood Estate | Kent | ME15 9NN | paydens.***** | 1956 | $180,413,330 | 1,311 | N/A | N/A | N/A |
| 17 | Abbvie LTD | Unitedkingdom | Maidenhead | Abbvie House Vanwall Business Park | Windsor and Maidenhead | SL6 4UB | abbvie.***** | 1888 | $356,116,451 | 1,122 | N/A | N/A | N/A |
| 18 | Anglia Regional Co-Operative Chemists LTD | Unitedkingdom | King'S Lynn | 83 Lynn Rd | Norfolk | PE30 4PR | N/A | N/A | $0 | 969 | N/A | N/A | N/A |
| 19 | Tesco Stores LIMITED | Unitedkingdom | Shepherd'S Bush | 180 Shepherds Bush Road | London | W6 7NL | tesco.***** | 2004 | $0 | 900 | N/A | N/A | N/A |
| 20 | Islestarr Holdings LIMITED | Unitedkingdom | Marylebone | 8 Surrey Street | London | WC2R 2ND | charlottetilbury.***** | 2011 | $308,963,254 | 885 | N/A | N/A | N/A |
| 21 | N & R Gordon LTD | Unitedkingdom | Banbridge | 74 Scarva Road | Armagh, Banbridge and Craigavon | BT32 3QD | N/A | 1980 | $118,938,892 | 794 | N/A | N/A | N/A |
| 22 | H.i.weldrick LIMITED | Unitedkingdom | Hyde Park | Leedale House | Doncaster, South Yorkshire | DN4 5FB | weldricks.***** | 1959 | $98,431,100 | 735 | N/A | N/A | N/A |
| 23 | Mawdsley-Brooks & Company LIMITED | Unitedkingdom | Cadishead | Number 3 South Langworthy Road | Manchester, Greater Manchester | M50 2PW | mawdsleys.***** | 1895 | $415,782,338 | 727 | N/A | N/A | N/A |
| 24 | National Veterinary Services LIMITED | Unitedkingdom | Stoke-on-trent | Spitfire House | Stoke-on-trent | ST1 5FG | nvsweb.***** | 1995 | $768,435,639 | 709 | N/A | N/A | N/A |
| 25 | Molton Brown LIMITED | Unitedkingdom | Ugley | Green Street | Essex | CM22 6DS | moltonbrown.***** | 1971 | $132,006,262 | 707 | N/A | N/A | N/A |
| 26 | Maybelline Cosmetics | Unitedkingdom | Shepherd'S Bush | 255 Hammersmith Road | London | W6 8AZ | redken.***** | 2010 | $79,927,297 | 700 | N/A | N/A | N/A |
| 27 | Piramal Healthcare UK LIMITED | Unitedkingdom | Morpeth | Whalton Road | Northumberland | NE61 3YA | piramal.***** | 1994 | $118,238,496 | 697 | N/A | N/A | N/A |
| 28 | Lp Hcs LIMITED | Unitedkingdom | Saint Giles | 71-75 Shelton Street | London | WC2H 9JQ | N/A | 2022 | $627,528,432 | 688 | N/A | N/A | N/A |
| 29 | Amgen LIMITED | Unitedkingdom | Chesterton | 216 Science Park | Cambridgeshire | CB4 0WD | amgen.***** | 1989 | $473,110,332 | 659 | N/A | N/A | N/A |
| 30 | Polar Speed Distribution LIMITED | Unitedkingdom | Leighton Buzzard | Unit 8 | Central Bedfordshire | LU7 4WG | polarspeed.***** | 1996 | $74,579,627 | 637 | N/A | N/A | N/A |
| 31 | Bayer Public LIMITED Company | Unitedkingdom | Southcote | 400 South Oak Way Green Park | Reading | RG2 6AD | bayer.***** | 1968 | $740,365,586 | 623 | N/A | N/A | N/A |
| 32 | Abbott Laboratories LIMITED | Unitedkingdom | Maidenhead | Abbott House Vanwall Business Park | Windsor and Maidenhead | SL6 4XE | abbott.***** | 1937 | $811,166,894 | 580 | N/A | N/A | N/A |
| 33 | Meiyume (UK) LIMITED | Unitedkingdom | Trowbridge | Aintree Avenue | Wiltshire | BA14 0XB | meiyume.***** | 1950 | $104,005,029 | 565 | N/A | N/A | N/A |
| 34 | Capital (hair And Beauty) LIMITED | Unitedkingdom | Patcham | 10 Crowhurst Road | Brighton and Hove | BN1 8AP | capitalhairandbeauty.***** | 1954 | $78,095,799 | 562 | N/A | N/A | N/A |
| 35 | M & D Green Dispensing Chemist LIMITED | Unitedkingdom | Drumchapel | 52 Skirsa Street | Glasgow City | G23 5BA | md-green.***** | 2001 | $85,546,204 | 550 | N/A | N/A | N/A |
| 36 | Evotec (UK) LIMITED | Unitedkingdom | Abingdon | 112-114 Innovation Drive | Oxfordshire | OX14 4RZ | evotec.***** | 1991 | $71,053,139 | 538 | N/A | N/A | N/A |
| 37 | Elemis LIMITED | Unitedkingdom | Chittening | Unit D Poplar Way East | City of Bristol | BS11 0DD | elemis.***** | 1989 | $175,322,692 | 534 | N/A | N/A | N/A |
| 38 | Pharmacy2u LIMITED | Unitedkingdom | Pendas Fields | Lumina | Leeds, West Yorkshire | LS15 8GB | pharmacy2u.***** | 1999 | $252,909,709 | 502 | N/A | N/A | N/A |
| 39 | Leyland | Unitedkingdom | Wharles | Bradshaw Lane | Lancashire | PR4 3JA | universal-laboraories.***** | 1976 | $56,775,170 | 500 | N/A | N/A | N/A |
| 40 | Income Life Saver | Unitedkingdom | Derrymacash | 9 Silverwood Court Kiln Road | Armagh, Banbridge and Craigavon | BT66 6RP | bernieallenonline.***** | 2016 | $54,033,330 | 500 | N/A | N/A | N/A |
| 41 | Perrigo Ventures LIMITED Partnership | Unitedkingdom | Braunton | Wrafton | Devon | EX33 2DL | perrigo.***** | 2001 | $100,082,297 | 500 | N/A | N/A | N/A |
| 42 | Knights Chemist LIMITED | Unitedkingdom | Redditch | 434 Evesham Road | Worcestershire | B97 5JB | knightspharmacy.***** | 1985 | $79,531,391 | 487 | N/A | N/A | N/A |
| 43 | Tesco Stores LIMITED | Unitedkingdom | Mill Hill | Unit 1 | London | N12 0SH | tesco.***** | N/A | $0 | 482 | N/A | N/A | N/A |
| 44 | Acheson & Acheson LIMITED | Unitedkingdom | West Knoyle | Meridian Business Park | Wiltshire | BA14 0BP | achesonandacheson.***** | 1992 | $88,137,912 | 473 | N/A | N/A | N/A |
| 45 | Cosi Wales LIMITED | Unitedkingdom | Maesteg | Ewenny Rd | Bridgend | CF34 9TU | N/A | 1986 | $53,368,659 | 470 | N/A | N/A | N/A |
| 46 | Church & Dwight UK LIMITED | Unitedkingdom | Newington | Bowles Well Gardens | Kent | CT19 6PQ | churchdwight.***** | 1942 | $258,846,720 | 460 | N/A | N/A | N/A |
| 47 | Astellas Pharma Europe LTD. | Unitedkingdom | Addlestone | 300 Dashwood Lang Road | Surrey | KT15 2NX | astellas.***** | 1990 | $2,127,419,302 | 481 | N/A | N/A | N/A |
| 48 | Rayner Intraocular Lenses LIMITED | Unitedkingdom | High Salvington | The Ridley Innovation Centre | West Sussex | BN14 8AQ | rayner.***** | 1910 | $164,758,094 | 446 | N/A | N/A | N/A |
| 49 | Glaxosmithkline UK LIMITED | Unitedkingdom | Saint Giles | 79 New Oxford Street | London | WC1A 1DG | gsk.***** | 1953 | $756,262,318 | 445 | N/A | N/A | N/A |
| 50 | Sharief Healthcare LIMITED | Unitedkingdom | Sutton Manor | Unit 18 | Saint Helens, Merseyside | WA9 4TU | N/A | 2012 | $64,585,046 | 436 | N/A | N/A | N/A |
| 51 | Sigma Pharmaceuticals PLC | Unitedkingdom | Watford | Colonial Business Park | Hertfordshire | WD24 4PR | sigmaplc.***** | 1981 | $349,443,067 | 430 | N/A | N/A | N/A |
| 52 | Dudley Taylor Pharmacies LIMITED | Unitedkingdom | Warwick | Taylor Group House | Warwickshire | CV34 5YA | dudleytaylor.***** | 2001 | $23,277,634 | 413 | N/A | N/A | N/A |
| 53 | Roys Pharmacy(wroxham),limited | Unitedkingdom | Barton Turf | Forge House | Norfolk | NR12 8DB | numark-pharmacy.***** | 1900 | $22,906,062 | 400 | N/A | N/A | N/A |
| 54 | T H G Labs | Unitedkingdom | Frome | Cornbrash Road | Somerset | BA11 2FN | thglabs.***** | 2025 | $46,442,747 | 400 | N/A | N/A | N/A |
| 55 | Crazy Color | Unitedkingdom | Renfrew | 3 Newmains Avenue Inchinnan Business Park | Renfrewshire | PA4 9RR | N/A | 2024 | $43,226,663 | 400 | N/A | N/A | N/A |
| 56 | Potter & Moore Innovations LIMITED | Unitedkingdom | Dukesmead | 1210 Lincoln Road | Peterborough | PE4 6ND | creightons.***** | 2003 | $64,553,331 | 394 | N/A | N/A | N/A |
| 57 | Chiesi LIMITED | Unitedkingdom | Benchill | 333 Styal Road | Manchester, Greater Manchester | M22 5LG | chiesi.***** | 1987 | $487,190,476 | 446 | N/A | N/A | N/A |
| 58 | S C A Hygiene Products | Unitedkingdom | Prudhoe | Prudhoe Mill | Northumberland | NE42 6HE | sca.***** | 1996 | $39,671,796 | 375 | N/A | N/A | N/A |
| 59 | Advanced Medical Solutions LIMITED | Unitedkingdom | Winsford | Premier Park, 33, Road One | Cheshire West and Chester | CW7 3RT | admedsol.***** | 1992 | $87,266,654 | 374 | N/A | N/A | N/A |
| 60 | Norchem Healthcare LIMITED | Unitedkingdom | Castlefield | Bestway Panacea Holdings Ltd | Manchester, Greater Manchester | M3 4LZ | lexonuk.***** | 1969 | $38,920,011 | 371 | N/A | N/A | N/A |
| 61 | Barker Care LIMITED | Unitedkingdom | Upper Tooting | 49 Falcon Road | London | SW11 2PH | safedale-ltd.***** | 1978 | $33,316,757 | 366 | N/A | N/A | N/A |
| 62 | Thompson And Capper LIMITED | Unitedkingdom | Runcorn | 9-12 Hardwick Road | Halton | WA7 1PH | thompsonandcapper.***** | 1798 | $81,915,369 | 366 | N/A | N/A | N/A |
| 63 | Alliance Health Care | Unitedkingdom | Higher Penwortham | Seedlee Road Walton Summit Centre | Lancashire | PR5 8AE | alliance-healthcare.***** | 2011 | $72,659,748 | 363 | N/A | N/A | N/A |
| 64 | Red Band Chemical Company, LIMITED | Unitedkingdom | Gorgie | 17-19 Smith'S Place | City of Edinburgh | EH6 8NU | lindsayandgilmour.***** | 2011 | $55,106,857 | 362 | N/A | N/A | N/A |
| 65 | Rb UK Commercial LIMITED | Unitedkingdom | Slough | 103-105 Bath Road | Slough | SL1 3UH | N/A | 2013 | $682,358,993 | 356 | N/A | N/A | N/A |
| 66 | Ethigen LIMITED | Unitedkingdom | Carmichael | 10-16 Colvilles Place | South Lanarkshire | G75 0SN | ethigen.***** | 2000 | $339,357,540 | 350 | N/A | N/A | N/A |
| 67 | Coty Manufacturing UK LIMITED | Unitedkingdom | Boughton Lees | Fao Company Secretary | Kent | TN25 4AQ | adecco.***** | 1996 | $123,582,640 | 345 | N/A | N/A | N/A |
| 68 | Dermalogica (UK) LIMITED | Unitedkingdom | Leatherhead | Thorncroft Drive | Surrey | KT22 8JB | dermalogica.***** | 1988 | $69,734,975 | 344 | N/A | N/A | N/A |
| 69 | Kenvue UK LIMITED | Unitedkingdom | Booker | 50-100 Holmers Farm Way | Buckinghamshire | HP12 4EG | jj.***** | 1977 | $64,576,551 | 342 | N/A | N/A | N/A |
| 70 | Phoenix Medical Supplies LIMITED | Unitedkingdom | Runcorn | Rivington Road | Halton | WA7 3DJ | phoenixmedical.***** | 1998 | $3,034,253 | 341 | N/A | N/A | N/A |
| 71 | Fittleworth Medical LIMITED | Unitedkingdom | Littlehampton | 2 Henry Lock Way | West Sussex | BN17 7FB | fittleworth.***** | 2010 | $190,555,364 | 338 | N/A | N/A | N/A |
| 72 | Wella UK LTD | Unitedkingdom | West Wimbledon | St. Georges House | London | SW19 4DR | N/A | 2020 | $193,352,530 | 334 | N/A | N/A | N/A |
| 73 | Tesco Stores LIMITED | Unitedkingdom | Crawley | Hazelwick Avenue | West Sussex | RH10 1GY | tesco.***** | N/A | $0 | 326 | N/A | N/A | N/A |
| 74 | Healthnet Homecare (UK) LIMITED | Unitedkingdom | Old Snydale | Unit 3 | Wakefield, West Yorkshire | WF7 6EP | biodoseservices.***** | 2009 | $884,224,006 | 401 | N/A | N/A | N/A |
| 75 | Canterbury Pharmacies LIMITED | Unitedkingdom | Maidstone | Parkwood Industrial Estate | Kent | ME15 9NE | paydens.***** | 1994 | $18,520,465 | 320 | N/A | N/A | N/A |
| 76 | Puig UK LIMITED | Unitedkingdom | Marylebone | 6 Dryden Street | London | WC2E 9NH | N/A | 1972 | $206,666,393 | 345 | N/A | N/A | N/A |
| 77 | Laville LIMITED | Unitedkingdom | Saint Giles | Lynton House 7 12 | London | WC1H 9BQ | N/A | 1994 | $50,912,902 | 303 | N/A | N/A | N/A |
| 78 | Unichem | Unitedkingdom | Collingham | Millshaw Park Avenue | Leeds, West Yorkshire | LS11 0LR | N/A | 2011 | $59,659,923 | 300 | N/A | N/A | N/A |
| 79 | Lions Healthcare | Unitedkingdom | Letchworth | Letchworth Business Centre | Hertfordshire | SG6 2HB | N/A | 2023 | $56,284,042 | 300 | N/A | N/A | N/A |
| 80 | Potter And Moore LIMITED | Unitedkingdom | Dukesmead | Lincoln Road, Werrington | Peterborough | PE4 6ND | creightons.***** | 1980 | $37,406,923 | 294 | N/A | N/A | N/A |
| 81 | Ith Pharma LIMITED | Unitedkingdom | Moorgate | 4th Floor | London | EC2V 7AB | ithpharma.***** | 2008 | $101,204,482 | 289 | N/A | N/A | N/A |
| 82 | Enimed LIMITED | Unitedkingdom | Ruislip | 56 Sharps Lane | London | HA4 7JQ | N/A | 2007 | $56,965,329 | 289 | N/A | N/A | N/A |
| 83 | Tropic Skincare LIMITED | Unitedkingdom | Mitcham | Unit 2a-2b | London | CR0 4TD | tropicskincare.***** | 2011 | $86,215,567 | 289 | N/A | N/A | N/A |
| 84 | Whitworth Chemists LIMITED | Unitedkingdom | Old Crosby | 2c Atkinsons Way | North Lincolnshire | DN15 8QJ | whitworthchemists.***** | 1999 | $36,405,461 | 295 | N/A | N/A | N/A |
| 85 | Tout LIMITED | Unitedkingdom | Wraxall | Bristol Road | North Somerset | BS48 1BN | restaurants.***** | 2002 | $48,616,591 | 282 | N/A | N/A | N/A |
| 86 | Professional Beauty Systems LIMITED | Unitedkingdom | Renfrew | 30 Fountain Crescent | Renfrewshire | PA4 9RE | professionalbeautysystems.***** | 1982 | $50,812,057 | 277 | N/A | N/A | N/A |
| 87 | SKF. Lo (chemists) LIMITED | Unitedkingdom | Manvers | Unit 5 Farfield Park | Rotherham, South Yorkshire | S63 5DB | theonlinechemist.***** | 2002 | $37,358,989 | 275 | N/A | N/A | N/A |
| 88 | Pathvalley LIMITED | Unitedkingdom | Lostock | Lynstock House | Manchester, Greater Manchester | BL6 4SA | N/A | 2003 | $15,112,756 | 267 | N/A | N/A | N/A |
| 89 | Wba (IT Services) International LIMITED | Unitedkingdom | Marylebone | 4th Floor | London | W1C 2JL | boots.***** | 2000 | $239,679,967 | 265 | N/A | N/A | N/A |
| 90 | Drive Devilbiss Sidhil LIMITED | Unitedkingdom | Halifax | C/o Drive Devilbiss Healthcare | Calderdale, West Yorkshire | HX2 9TN | drivedevilbiss.***** | 1951 | $37,179,910 | 263 | N/A | N/A | N/A |
| 91 | Schwarzkopf LIMITED | Unitedkingdom | Potten End | C/o Henkel Limited | Hertfordshire | HP2 4RQ | schwarzkopf.***** | 2009 | $7,786,413 | 259 | N/A | N/A | N/A |
| 92 | Zimmer Biomet UK LIMITED | Unitedkingdom | Grange Park | Windmill Hill Business Park | Swindon | SN5 6NX | zimmerbiomet.***** | 1979 | $164,032,092 | 354 | N/A | N/A | N/A |
| 93 | Firmenich UK LIMITED | Unitedkingdom | Hatton | 4 Hayes Road | London | UB2 5LZ | firmenich.***** | 1990 | $165,915,488 | 338 | N/A | N/A | N/A |
| 94 | Steris Solutions LIMITED | Unitedkingdom | Cotes | Rayns Way | Leicestershire | LE7 1PF | keysurgical.***** | 1987 | $125,062,875 | 255 | N/A | N/A | N/A |
| 95 | Assan Pharmacy LIMITED | Unitedkingdom | Lostock | Lynstock House Po Box 2076 Lynstock Way Lostock | Manchester, Greater Manchester | BL6 4SA | coenschemist.***** | 2007 | $14,316,288 | 250 | N/A | N/A | N/A |
| 96 | Firstaid4less | Unitedkingdom | Poole | First Floor Fleets Bridge House Fleets Corner | Poole | BH17 0LA | firstaid4less.***** | 2021 | $46,082,013 | 250 | N/A | N/A | N/A |
| 97 | Chiesi Healthcare LIMITED | Unitedkingdom | Benchill | 333 Styal Road | Manchester, Greater Manchester | M22 5LG | chiesi.***** | 1995 | $20,171,303 | 250 | N/A | N/A | N/A |
| 98 | Laxmico LIMITED | Unitedkingdom | Greenford Broadway | 23 Wadsworth Road | London | UB6 7JD | bnsgroup.***** | 2010 | $345,667,918 | 249 | N/A | N/A | N/A |
| 99 | Oakfield Pharma LIMITED | Unitedkingdom | Marley Hill | 96 Oakfield Road | Gateshead, Tyne and Wear | NE16 5QU | nhs.***** | 2012 | $41,628,762 | 248 | N/A | N/A | N/A |
| 100 | Bestway Pharmacy Ndc LIMITED | Unitedkingdom | Manchester | 1 Angel Square | Manchester, Greater Manchester | M60 0AG | N/A | 1972 | $557,607,211 | 372 | N/A | N/A | N/A |