Largest companies in the United Kingdom
The 73 companies domiciled in the United Kingdom that trade on a US exchange, ranked by market capitalisation. Domicile comes from each company's own SEC filing, so a company headquartered here but listed only on its home market does not appear.
Combined market cap
$2.356 T
2.3% of all US-listed value
Companies
73
Ranked #4 of 55 countries
Average
$32.268 B
Mean market cap per company
| # | Name | Market cap | Close | Session | Country |
|---|---|---|---|---|---|
| 1 | HsbcHSBC | $356.5B | $103.73 | +1.14% | United Kingdom |
| 2 | ArmARM | $300.7B | $282.57 | -1.43% | United Kingdom |
| 3 | AstrazenecaAZN | $250.3B | $161.42 | +0.22% | United Kingdom |
| 4 | UnileverUL | $137.6B | $62.96 | -1.10% | United Kingdom |
| 5 | British American Tobacco p.l.c.BTI | $128.6B | $59.33 | +1.02% | United Kingdom |
| 6 | BpBP | $109.0B | $41.63 | -1.42% | United Kingdom |
| 7 | GSKGSK | $107.3B | $52.96 | +1.51% | United Kingdom |
| 8 | BarclaysBCS | $97.1B | $27.93 | -0.89% | United Kingdom |
| 9 | Lloyds Banking GroupLYG | $93.1B | $6.28 | +1.45% | United Kingdom |
| 10 | National GridNGG | $80.3B | $80.88 | +0.58% | United Kingdom |
| 11 | NatWest GroupNWG | $78.9B | $19.19 | +0.79% | United Kingdom |
| 12 | RelxRELX | $64.8B | $35.52 | -0.64% | United Kingdom |
| 13 | DiageoDEO | $53.6B | $96.35 | +3.82% | United Kingdom |
| 14 | Ferguson EnterprisesFERG | $50.2B | $256.69 | +1.31% | United Kingdom |
| 15 | Coca-Cola Europacific PartnersCCEP | $49.2B | $108.29 | +0.04% | United Kingdom |
| 16 | HaleonHLN | $44.7B | $10.03 | +0.00% | United Kingdom |
| 17 | Vodafone Group PublicVOD | $38.5B | $16.19 | +1.19% | United Kingdom |
| 18 | PrudentialPUK | $36.1B | $28.28 | +1.44% | United Kingdom |
| 19 | Willis Towers WatsonWTW | $32.0B | $344.82 | +1.42% | United Kingdom |
| 20 | nVent ElectricNVT | $26.7B | $164.69 | +0.85% | United Kingdom |
| 21 | Roivant SciencesROIV | $26.3B | $36.34 | +3.47% | United Kingdom |
| 22 | Intercontinental Hotels GroupIHG | $23.8B | $157.51 | -1.12% | United Kingdom |
| 23 | AmcorAMCR | $22.1B | $47.86 | +1.70% | United Kingdom |
| 24 | StellantisSTLA | $16.0B | $5.52 | -0.54% | United Kingdom |
| 25 | Wise GroupWSE | $15.2B | $12.36 | -0.32% | United Kingdom |
| 26 | Klarna GroupKLAR | $14.0B | $19.90 | -1.78% | United Kingdom |
| 27 | CNH IndustrialCNH | $13.5B | $10.91 | +0.55% | United Kingdom |
| 28 | Smith & NephewSNN | $12.8B | $30.11 | +1.42% | United Kingdom |
| 29 | PearsonPSO | $10.5B | $16.46 | -0.66% | United Kingdom |
| 30 | AptivAPTV | $10.3B | $49.55 | +7.02% | United Kingdom |
| 31 | Gates IndustrialGTES | $7.15B | $28.25 | -1.19% | United Kingdom |
| 32 | Indivior PharmaceuticalsINDV | $4.84B | $38.82 | +0.39% | United Kingdom |
| 33 | Marex GroupMRX | $4.51B | $60.81 | -2.45% | United Kingdom |
| 34 | LivaNovaLIVN | $4.20B | $76.22 | +0.58% | United Kingdom |
| 35 | Manchester UnitedMANU | $3.73B | $21.63 | -1.28% | United Kingdom |
| 36 | Liberty GlobalLBTYA | $3.60B | $10.55 | -2.13% | United Kingdom |
| 37 | Acadian Asset ManagementAAMI | $3.20B | $89.85 | -1.87% | United Kingdom |
| 38 | VersigentVGNT | $3.12B | $44.10 | +2.99% | United Kingdom |
| 39 | TORMTRMD | $2.99B | $29.49 | +0.00% | United Kingdom |
| 40 | ReNew Energy GlobalRNW | $2.25B | $6.17 | -0.96% | United Kingdom |
| 41 | COMPASS PathwaysCMPS | $1.87B | $13.54 | -0.07% | United Kingdom |
| 42 | Nomad FoodsNOMD | $1.70B | $11.99 | +1.78% | United Kingdom |
| 43 | ImmunocoreIMCR | $1.64B | $34.00 | -1.45% | United Kingdom |
| 44 | Global Ship LeaseGSL | $1.52B | $42.44 | -0.84% | United Kingdom |
| 45 | NavigatorNVGS | $1.35B | $20.67 | -0.96% | United Kingdom |
| 46 | ClarivateCLVT | $1.16B | $1.82 | -1.62% | United Kingdom |
| 47 | Rezolve AiRZLV | $1.09B | $2.73 | +3.41% | United Kingdom |
| 48 | FerroglobeGSM | $839.0M | $4.49 | +8.72% | United Kingdom |
| 49 | VtexVTEX | $795.7M | $4.18 | -2.56% | United Kingdom |
| 50 | Autolus TherapeuticsAUTL | $561.6M | $2.11 | +5.50% | United Kingdom |
| 51 | Silence TherapeuticsSLN | $559.3M | $11.95 | +1.96% | United Kingdom |
| 52 | Arqit QuantumARQQ | $551.7M | $22.90 | +6.66% | United Kingdom |
| 53 | PaysafePSFE | $466.1M | $7.32 | -2.66% | United Kingdom |
| 54 | LuxferLXFR | $457.6M | $17.10 | +0.06% | United Kingdom |
| 55 | KNOT Offshore PartnersKNOP | $356.1M | $10.58 | -0.56% | United Kingdom |
| 56 | Bicycle TherapeuticsBCYC | $291.9M | $4.17 | +5.04% | United Kingdom |
| 57 | Better Home & FinanceBETR | $291.7M | $15.46 | -7.09% | United Kingdom |
| 58 | Vertical AerospaceEVTL | $173.2M | $1.36 | +7.94% | United Kingdom |
| 59 | EndavaDAVA | $160.3M | $2.95 | +1.38% | United Kingdom |
| 60 | Energys GroupENGS | $147.6M | $2.73 | -1.27% | United Kingdom |
| 61 | Tiziana Life SciencesTLSA | $127.3M | $1.00 | +2.64% | United Kingdom |
| 62 | VivoPowerVIVO | $111.3M | $4.04 | +5.48% | United Kingdom |
| 63 | Mereo BioPharma GroupMREO | $46.0M | $0.30 | -3.14% | United Kingdom |
| 64 | Argo BlockchainARBK | $38.4M | $2.88 | +1.66% | United Kingdom |
| 65 | OneMedNetONMD | $35.6M | $0.62 | -4.35% | United Kingdom |
| 66 | Barinthus BiotherapeuticsBRNS | $24.5M | $0.60 | +6.02% | United Kingdom |
| 67 | RedCloudRCT | $14.3M | $0.21 | +1.36% | United Kingdom |
| 68 | Akari TherapeuticsAKTX | $12.3M | $7.00 | -13.37% | United Kingdom |
| 69 | Blue GoldBGL | $7.76M | $0.19 | +4.57% | United Kingdom |
| 70 | NuCanaNCNA | $6.12M | $1.47 | +8.09% | United Kingdom |
| 71 | AkandaAKAN | $2.77M | $5.13 | -4.29% | United Kingdom |
| 72 | Virax Biolabs GroupVRAX | $2.38M | $2.98 | +7.58% | United Kingdom |
| 73 | Biodexa PharmaceuticalsBDRX | $1.58M | $1.54 | +4.76% | United Kingdom |
All 73 companies. One row per company โ secondary share classes are folded into their primary listing. Updated 9 Aug 2026.
Other countries
๐บ๐ธ United States 4,025๐จ๐ฆ Canada 241๐น๐ผ Taiwan 24๐ณ๐ฑ Netherlands 24๐ฐ๐ท South Korea 12๐ฏ๐ต Japan 26๐จ๐ญ Switzerland 26๐ฎ๐ช Ireland 22๐จ๐ณ China 250๐ง๐ท Brazil 28๐ฆ๐บ Australia 29๐ฉ๐ช Germany 16๐ซ๐ท France 14๐ช๐ธ Spain 5๐ฎ๐ณ India 9๐ฎ๐ฑ Israel 116๐ฉ๐ฐ Denmark 7๐ฑ๐บ Luxembourg 17๐ฎ๐น Italy 7๐ฒ๐ฝ Mexico 15๐ง๐ฒ Bermuda 36๐ง๐ช Belgium 8๐ฐ๐พ Cayman Islands 30๐ฆ๐ท Argentina 15All countries โ
Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered โ see methodology.