| 1 | Boots UK LIMITED | Unitedkingdom | Nottingham | N/A | Nottingham | NG2 3AA | boots.***** | 1849 | $9,413,929,831 | 472 | N/A | N/A | N/A |
| 2 | Lloyds Clinical LIMITED | Unitedkingdom | Harlow | Scimitar Park | Essex | CM19 5GU | lpclinicalhomecare.***** | 1992 | $1,663,492,320 | 1,424 | N/A | N/A | N/A |
| 3 | Bestway National Chemists LIMITED | Unitedkingdom | Bradley Fold | Unit 1 | Manchester, Greater Manchester | M45 7TA | finder.***** | 1981 | $925,932,565 | 534 | N/A | N/A | N/A |
| 4 | 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 |
| 5 | Day Lewis PLC | Unitedkingdom | Croydon | 2 Peterwood Way | London | CR0 4UQ | daylewisplc.***** | 1975 | $637,221,902 | 2,600 | N/A | N/A | N/A |
| 6 | 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 |
| 7 | Anglia Regional Co-Operative Chemists LTD | Unitedkingdom | Peterborough | Park Rd | Peterborough | PE1 2TA | arcs.***** | 1946 | $524,627,023 | 3,406 | N/A | N/A | N/A |
| 8 | 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 |
| 9 | Day Lewis Medical LIMITED | Unitedkingdom | Croydon | 2 Peterwood Way | London | CR0 4UQ | daylewisplc.***** | 1985 | $356,320,681 | 294 | N/A | N/A | N/A |
| 10 | Gorgemead LIMITED | Unitedkingdom | Lostock | Lynstock House | Manchester, Greater Manchester | BL6 4SA | cohenschemist.***** | 1979 | $327,698,122 | 2,376 | N/A | N/A | N/A |
| 11 | Pharmacy2u LIMITED | Unitedkingdom | Pendas Fields | Lumina | Leeds, West Yorkshire | LS15 8GB | pharmacy2u.***** | 1999 | $252,909,709 | 502 | N/A | N/A | N/A |
| 12 | Pct Healthcare LIMITED | Unitedkingdom | Chesterfield | Sycamore House | Derbyshire | S41 9PZ | murrays.***** | 1983 | $231,532,572 | 1,456 | N/A | N/A | N/A |
| 13 | Avicenna Retail LTD | Unitedkingdom | Selsdon | Selsdon House | London | CR2 8LD | avicenna.***** | 1987 | $215,173,727 | 1,313 | N/A | N/A | N/A |
| 14 | Paydens Group Holdings LIMITED | Unitedkingdom | Maidstone | Parkwood | Kent | ME15 9NE | paydens.***** | 2010 | $202,316,842 | 1,418 | N/A | N/A | N/A |
| 15 | Paydens LIMITED | Unitedkingdom | Maidstone | Parkwood Estate | Kent | ME15 9NN | paydens.***** | 1956 | $180,413,330 | 1,311 | N/A | N/A | N/A |
| 16 | Waremoss LIMITED | Unitedkingdom | Uckfield | Westminster House | East Sussex | TN22 1PH | waremoss.***** | 1979 | $172,628,118 | 1,231 | N/A | N/A | N/A |
| 17 | Aristo Pharmaceuticals Private LIMITED | Unitedkingdom | Marylebone | Ian Fishman | London | W1U 6SE | N/A | 2004 | $168,803,993 | 2 | N/A | N/A | N/A |
| 18 | Sharief Group LIMITED | Unitedkingdom | Sutton Manor | Unit 18 | Saint Helens, Merseyside | WA9 4TU | N/A | 2020 | $120,865,952 | 844 | N/A | N/A | N/A |
| 19 | 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 |
| 20 | Gordons Chemists Holdings (northern Ireland) LTD | Unitedkingdom | Banbridge | 74 Scarva Road | Armagh, Banbridge and Craigavon | BT32 3QD | gordonsdirect.***** | 2021 | $118,938,892 | 794 | N/A | N/A | N/A |
| 21 | The Clatterbridge Pharmacy LIMITED | Unitedkingdom | Brimstage | Clatterbridge Hospital | Wirral, Merseyside | CH63 4JY | radioclatterbridge.***** | 2013 | $110,506,571 | 37 | N/A | N/A | N/A |
| 22 | Magir LIMITED | Unitedkingdom | Cregagh | 44 Montgomery Road | Belfast | BT6 9HL | medicare-group.***** | 1995 | $107,542,312 | 511 | N/A | N/A | N/A |
| 23 | 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 |
| 24 | Walter Davidson & Sons LIMITED | Unitedkingdom | Blairgowrie | 21-24 Wellmeadow | Perth and Kinross | PH10 6AT | davidsonschemists.***** | 1897 | $90,737,604 | 688 | N/A | N/A | N/A |
| 25 | Pharmacy@uhb LIMITED | Unitedkingdom | Birmingham | Level 1 | Birmingham, West Midlands | B15 2GW | N/A | 2011 | $89,042,097 | 72 | N/A | N/A | N/A |
| 26 | 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 |
| 27 | Pearl Chemist LIMITED | Unitedkingdom | Upper Tooting | 159-161 Mitcham Road | London | SW17 9PG | pearlchemistgroup.***** | 2012 | $82,008,967 | 296 | N/A | N/A | N/A |
| 28 | Knights Chemist LIMITED | Unitedkingdom | Redditch | 434 Evesham Road | Worcestershire | B97 5JB | knightspharmacy.***** | 1985 | $79,531,391 | 487 | N/A | N/A | N/A |
| 29 | Hospital Pharmacy Services (nottingham) LIMITED | Unitedkingdom | Nottingham | Trust Headquarters | Nottingham | NG5 1PB | nottinghamhospitalscharity.***** | 2012 | $73,135,060 | 132 | N/A | N/A | N/A |
| 30 | H2h Pharmacy LIMITED | Unitedkingdom | Combe Hay | 37 Great Pulteney Street | Bath and North East Somerset | BA2 4DA | pulteneypharmacy.***** | 2003 | $71,078,673 | 18 | N/A | N/A | N/A |
| 31 | Evotec (UK) LIMITED | Unitedkingdom | Abingdon | 112-114 Innovation Drive | Oxfordshire | OX14 4RZ | evotec.***** | 1991 | $71,053,139 | 538 | N/A | N/A | N/A |
| 32 | 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 |
| 33 | P.A. Mckeever LIMITED | Unitedkingdom | Armagh | 63-65 Thomas Street | Armagh, Banbridge and Craigavon | BT61 7QB | mckeevers-chemists.***** | 1965 | $64,119,365 | 404 | N/A | N/A | N/A |
| 34 | Medac Pharma Llp | Unitedkingdom | London | 2 Leman Street | London | E1W 9US | N/A | 2017 | $63,727,099 | 28 | N/A | N/A | N/A |
| 35 | Jardines (U.K.) LIMITED | Unitedkingdom | Bleak Hall | Winterhill House | Milton Keynes | MK6 1AP | jardinespharmacy.***** | 1984 | $62,031,798 | 361 | N/A | N/A | N/A |
| 36 | Dialachemist LIMITED | Unitedkingdom | Altham | 4 Petre Road | Lancashire | BB5 5JB | dialachemist.***** | 2007 | $61,947,488 | 36 | N/A | N/A | N/A |
| 37 | Strandhaven LIMITED | Unitedkingdom | Woodford Green | 600 High Road | London | IG3 8BS | nhs.***** | 1980 | $61,489,122 | 257 | N/A | N/A | N/A |
| 38 | Wigmore Medical LIMITED | Unitedkingdom | Marylebone | 23 Wigmore Street | London | W1U 1PL | wigmoremedical.***** | 1997 | $59,514,654 | 76 | N/A | N/A | N/A |
| 39 | Enimed LIMITED | Unitedkingdom | Ruislip | 56 Sharps Lane | London | HA4 7JQ | N/A | 2007 | $56,965,329 | 289 | N/A | N/A | N/A |
| 40 | Healthxchange Pharmacy UK LIMITED | Unitedkingdom | Marylebone | 79-83 Great Portland Street | London | W1W 7LS | healthxchange.***** | 1986 | $55,998,625 | 128 | N/A | N/A | N/A |
| 41 | Liam Bradley LTD | Unitedkingdom | Banks | 15 Church Road | Lancashire | PR9 8ET | bradleyspharmacy.***** | 1999 | $55,345,018 | 406 | N/A | N/A | N/A |
| 42 | 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 |
| 43 | 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 |
| 44 | Rm Medicines LIMITED | Unitedkingdom | South Kensington | 203 Fulham Road | London | SW3 6JJ | N/A | 2020 | $48,888,694 | 42 | N/A | N/A | N/A |
| 45 | Tout LIMITED | Unitedkingdom | Wraxall | Bristol Road | North Somerset | BS48 1BN | restaurants.***** | 2002 | $48,616,591 | 282 | N/A | N/A | N/A |
| 46 | Right Medicine Pharmacy LIMITED | Unitedkingdom | Old Plean | 11 Main Street | Stirling | FK7 8LZ | rightmedicinepharmacy.***** | 2002 | $45,722,145 | 265 | N/A | N/A | N/A |
| 47 | Jempsons Supermarkets LIMITED | Unitedkingdom | Rye | Main Street | East Sussex | TN31 6YD | nisalocally.***** | 2006 | $45,422,877 | 231 | N/A | N/A | N/A |
| 48 | Imaan Healthcare LIMITED | Unitedkingdom | Saint Helens | 79 Liverpool Road | Saint Helens, Merseyside | WA10 1PQ | imaanhealthcare.***** | 2012 | $42,780,161 | 402 | N/A | N/A | N/A |
| 49 | Rfl Dispensary Services LIMITED | Unitedkingdom | London | Royal Free Hospital Pond Street | London | NW3 2QG | N/A | 2018 | $42,022,802 | 35 | N/A | N/A | N/A |
| 50 | 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 |
| 51 | A.& F.A. Dundee LIMITED | Unitedkingdom | Cregagh | 44 Montgomery Road | Belfast | BT6 9HL | medicare-group.***** | 1936 | $40,964,159 | 281 | N/A | N/A | N/A |
| 52 | 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 |
| 53 | Badham Pharmacy LIMITED | Unitedkingdom | Bishop'S Cleeve | The Farmers Arms | Gloucestershire | GL52 8SA | badhampharmacy.***** | 2006 | $38,247,707 | 289 | N/A | N/A | N/A |
| 54 | Feel Good Pharma LTD | Unitedkingdom | Greenford Broadway | Unit 5 Oakwood Business Park | London | NW10 6EX | N/A | 2020 | $38,162,819 | 19 | N/A | N/A | N/A |
| 55 | Medipharmacy LIMITED | Unitedkingdom | Moorgate | 2nd Floor | London | EC4N 6EU | N/A | 2004 | $37,679,320 | 131 | N/A | N/A | N/A |
| 56 | 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 |
| 57 | Wellbeing (united Kingdom) LIMITED | Unitedkingdom | Aldermans Green | 8 Prior Deram Walk | Coventry, West Midlands | CV4 8FT | wellbeing-pharmacy.***** | 2009 | $36,456,891 | 203 | N/A | N/A | N/A |
| 58 | 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 |
| 59 | R.K. Aggarwal LIMITED | Unitedkingdom | Roath | 63-67 Wellfield Road | Cardiff | CF24 3PA | clarinscardiff.***** | 1986 | $36,070,185 | 84 | N/A | N/A | N/A |
| 60 | X-Pharm LIMITED | Unitedkingdom | Slough | Unit 4 | Slough | SL1 6DQ | touchwoodpharmacy.***** | 2003 | $34,910,108 | 211 | 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 | H.a.mcparland LIMITED | Unitedkingdom | Langley | 6 Harrow Market | Slough | SL3 8HJ | hamcparland.***** | 1968 | $31,310,178 | 321 | N/A | N/A | N/A |
| 63 | Warwick Healthcare LIMITED | Unitedkingdom | Aylestone | 106 Grace Road | Leicester | LE2 8AZ | N/A | 2005 | $31,301,219 | 153 | N/A | N/A | N/A |
| 64 | Imaan LTD | Unitedkingdom | Sutton Manor | Unit 2 | Saint Helens, Merseyside | WA9 4YU | N/A | 2007 | $31,106,484 | 187 | N/A | N/A | N/A |
| 65 | Uhs Pharmacy LIMITED | Unitedkingdom | Upper Shirley | Tremona Road | Southampton | SO16 6YD | kiteleys.***** | 2012 | $30,119,811 | 21 | N/A | N/A | N/A |
| 66 | A & S Shillam LIMITED | Unitedkingdom | Ratton | 82 Seaside | East Sussex | BN22 7QP | paydens.***** | 1988 | $29,257,969 | 221 | N/A | N/A | N/A |
| 67 | Shaunaks LIMITED | Unitedkingdom | Redfield | Shaunaks House | City of Bristol | BS5 9PQ | pharmacynow.***** | 1979 | $28,487,860 | 130 | N/A | N/A | N/A |
| 68 | Scotpharm (mna) LIMITED | Unitedkingdom | Lenzie | 3 Beech Road | East Dunbartonshire | G66 4HN | N/A | 2017 | $27,110,279 | 219 | N/A | N/A | N/A |
| 69 | Barrie Dear LIMITED | Unitedkingdom | Lenzie | 3 Beech Road | East Dunbartonshire | G66 4HN | N/A | 2012 | $27,110,279 | 217 | N/A | N/A | N/A |
| 70 | Jhoots Pharmacy LIMITED | Unitedkingdom | Shelfield | 20 Hatherton Street | Walsall, West Midlands | WS4 2LA | jhootspharmacy.***** | 2007 | $26,710,048 | 294 | N/A | N/A | N/A |
| 71 | Almirall LIMITED | Unitedkingdom | Uxbridge | Harman House, | London | UB8 1QQ | almirall.***** | 2007 | $26,381,674 | 45 | N/A | N/A | N/A |
| 72 | St Helens Pharmacy LIMITED | Unitedkingdom | Saint Helens | 130 Duke Street | Saint Helens, Merseyside | WA10 2JL | sthelenspharmacy.***** | 2013 | $25,412,207 | 105 | N/A | N/A | N/A |
| 73 | Axonics Women's Health LIMITED | Unitedkingdom | Moorgate | 14 Took'S Court | London | EC4A 1LB | contura.***** | 1996 | $24,526,434 | 111 | N/A | N/A | N/A |
| 74 | Famevalley LIMITED | Unitedkingdom | Leeds | Central Square | Leeds, West Yorkshire | LS1 4DL | hbspharmacy.***** | 2009 | $23,870,374 | 77 | N/A | N/A | N/A |
| 75 | Secret Potions LIMITED | Unitedkingdom | Dresden | 114 Belgrave Road | Stoke-on-trent | ST3 4LR | millerschemist.***** | 1999 | $23,635,166 | 138 | N/A | N/A | N/A |
| 76 | Pride Pharmacy LIMITED | Unitedkingdom | Outwoods | Units 3 | Staffordshire | DE13 0BY | N/A | 2018 | $23,345,072 | 30 | N/A | N/A | N/A |
| 77 | Dudley Taylor Pharmacies LIMITED | Unitedkingdom | Warwick | Taylor Group House | Warwickshire | CV34 5YA | dudleytaylor.***** | 2001 | $23,277,634 | 413 | N/A | N/A | N/A |
| 78 | The Hub Pharmacy LIMITED | Unitedkingdom | South Ockendon | Allcures House | Thurrock | RM15 5TT | N/A | 2007 | $23,046,018 | 165 | N/A | N/A | N/A |
| 79 | Ascent Healthcare LIMITED | Unitedkingdom | Failsworth | Spinningfields | Manchester, Greater Manchester | M3 3HF | ascenti.***** | 2016 | $23,041,656 | 48 | N/A | N/A | N/A |
| 80 | Veenak International LIMITED | Unitedkingdom | Yardley | 1406 Coventry Road | Birmingham, West Midlands | B25 8AE | veenak.***** | 1991 | $22,937,648 | 18 | N/A | N/A | N/A |
| 81 | Hollowood Chemists LIMITED | Unitedkingdom | Newcastle-under-lyme | Kingsbridge Avenue | Staffordshire | ST5 3HP | hollowoodchemists.***** | 1958 | $22,909,999 | 156 | N/A | N/A | N/A |
| 82 | 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 |
| 83 | Abbeydale Holding LIMITED | Unitedkingdom | Smithills | 149 Gibbon Street | Manchester, Greater Manchester | BL3 5LW | N/A | 2020 | $22,210,168 | 166 | N/A | N/A | N/A |
| 84 | H.J. Everett (chemist) LIMITED | Unitedkingdom | Sarisbury | 42 Bridge Road | Hampshire | SO31 7GF | everettspharmacy.***** | 1924 | $21,907,782 | 174 | N/A | N/A | N/A |
| 85 | Osbon LIMITED | Unitedkingdom | Stratford | Unit 54 | London | E15 1XE | osbonpharmacy.***** | 2005 | $21,857,319 | 42 | N/A | N/A | N/A |
| 86 | Ima Swiftpack LIMITED | Unitedkingdom | Alcester | Arden Forest Ind Est | Warwickshire | B49 6HN | imaswiftpack.***** | 2004 | $21,663,111 | 113 | N/A | N/A | N/A |
| 87 | Minton,treharne & Davies LIMITED | Unitedkingdom | Pantmawr | Longwood Drive | Cardiff | CF14 7HY | minton.***** | 1947 | $21,285,527 | 134 | N/A | N/A | N/A |
| 88 | Pyramid Pharma Pharmaceuticals LIMITED | Unitedkingdom | Golders Green | 45 Golders Green Road | London | NW11 8EL | N/A | 1999 | $21,154,106 | 71 | N/A | N/A | N/A |
| 89 | Bestway Panacea Healthcare LIMITED | Unitedkingdom | Astley Green | 1 Coldalhurst Lane | Manchester, Greater Manchester | M29 7BS | finder.***** | 2009 | $20,735,268 | 10 | N/A | N/A | N/A |
| 90 | D. Shannon Stewart LIMITED | Unitedkingdom | Banbridge | 74 Scarva Rd | Armagh, Banbridge and Craigavon | BT32 3QD | N/A | 1978 | $20,454,843 | 97 | N/A | N/A | N/A |
| 91 | Gordons Chemists Holdings (scotland) LTD | Unitedkingdom | Milngavie | Bankell House | East Dunbartonshire | G62 8LE | N/A | 2022 | $20,454,843 | 93 | N/A | N/A | N/A |
| 92 | Aim Rx LTD | Unitedkingdom | Widnes | Appleton Village Pharmacy | Halton | WA8 6EQ | aimrx.***** | 2016 | $19,960,470 | 145 | N/A | N/A | N/A |
| 93 | Key Pharmaceuticals LIMITED | Unitedkingdom | Houghton | Galen House | Cambridgeshire | PE28 3JB | N/A | 2000 | $19,674,654 | 1 | N/A | N/A | N/A |
| 94 | Medicine Clinic LIMITED | Unitedkingdom | Chilworth | High Pines | Hampshire | SO16 7JB | numarkpharmacists.***** | 2006 | $19,529,401 | 89 | N/A | N/A | N/A |
| 95 | Daleacre Healthcare LIMITED | Unitedkingdom | Draycott | 11 Wilsthorpe Road | Derbyshire | DE72 3EA | evanspharmacy.***** | 2016 | $19,426,711 | 136 | N/A | N/A | N/A |
| 96 | John Bell & Croyden LIMITED | Unitedkingdom | Marylebone | 50-54 Wigmore Street | London | W1U 2AU | johnbellcroyden.***** | 1928 | $19,165,610 | 87 | N/A | N/A | N/A |
| 97 | Alrahi & Singh LIMITED | Unitedkingdom | Fenham | 26 Redewater Road | Newcastle Upon Tyne, Tyne and Wear | NE4 9UD | pharmacyexpressuk.***** | 2010 | $18,981,091 | 45 | N/A | N/A | N/A |
| 98 | Medi-Shop LIMITED | Unitedkingdom | Goffs Oak | 21 Cromwell Avenue | Hertfordshire | EN7 5DJ | nhs.***** | 1984 | $18,533,244 | 48 | N/A | N/A | N/A |
| 99 | Canterbury Pharmacies LIMITED | Unitedkingdom | Maidstone | Parkwood Industrial Estate | Kent | ME15 9NE | paydens.***** | 1994 | $18,520,465 | 320 | N/A | N/A | N/A |
| 100 | Saffron Apothecaries (leicester) LIMITED | Unitedkingdom | Knighton | 501 Saffron Lane | Leicester | LE2 6UL | saffronpharmacy.***** | 1971 | $18,494,913 | 118 | N/A | N/A | N/A |