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2874 companies · fiscal year 2025 · SEC EDGAR · September 25, 2026

Largest companies in the United Kingdom by total assets

Total assets is everything the company owns at the balance-sheet date. Banks and insurers dominate this measure because customer deposits and policy reserves sit on their balance sheets. Figures are for fiscal year 2025 and are read directly from each company's SEC filings; the source column on every row links to the document.

Ranks 1–47 of 47 · Fiscal year 2025 · Data as of September 25, 2026

Barclays (BCS) tops the list with $2.08T in total assets for fiscal 2025, ahead of Barclays Bank ($1.68T) and Lloyds Banking ($1.27T). The top 10 together report $7.49T in total assets; the gap between #1 and #10 is ×16.23. 47 companies in the United Kingdom report total assets, 1.7% of the 2836-filer universe. The last place on the list, Luxfer Holdings, comes in at $370M.

Total assets
#CompanyTotal assetsYoY15-year trend
1BarclaysBCSGBFinancials$2.08T+9.3%
2Barclays BankATMPGBFinancials$1.68T+9.8%
3Lloyds BankingLYGGBFinancials$1.27T+11.9%
4Natwest GroupNWGGBFinancials$962B+8.5%
5ShellSHELGBEnergy$370B−4.5%
6Santander UkSNTUFGBFinancials$359B+10.3%
7BPBPGBEnergy$279B−1.3%
8PrudentialPUKGBFinancials$212B+16.7%
9British American Tobacco P.L.CBTIGBConsumer staples$147B−1.2%
10Rio TintoRIOGBMaterials$128B+24.6%
11AstraZenecaAZNGBHealthcare$114B+9.6%
12LindeLINGBMaterials$86.8B+8.3%
13UnileverULGBConsumer staples$82.8B−0.1%
14GSKGSKGBHealthcare$82.3B+10.5%
15DiageoDEOGBConsumer staples$50.3B+7.1%
16HaleonHLNGBConsumer staples$43.9B+2.2%
17CNH IndustrialCNHGBIndustrials$42.7B−0.4%
18AmcorAMCRGBConsumer discretionary$37.0B+129.2%
19Coca-Cola Europacific PartnersCCEPGBConsumer staples$35.1B+8.6%
20Marex GroupMRXGBFinancials$34.7B+42.6%
21Willis Towers WatsonWTWGBFinancials$29.5B+6.7%
22RelxRELXGBTechnology$19.9B+4.8%
23Klarna GroupKLARGBFinancials$18.8B+36.2%
24Smith & NephewSNNGBHealthcare$10.5B+1.0%
25Arm HoldingsARMGBTechnology$10.2B+19.8%
26TechnipfmcFTIGBEnergy$10.1B+2.5%
27Brightstar LotteryBRSLGBCommunication services$9.2B−10.9%
28PearsonPSOGBCommunication services$8.7B+0.7%
29Nomad FoodsNOMDGBConsumer staples$7.4B+11.4%
30PentairPNRGBIndustrials$6.9B+6.6%
31Sensata TechnologiesSTGBTechnology$6.8B−5.5%
32Birkenstock HoldingBIRKGBConsumer discretionary$5.8B+11.8%
33Intercontinental HotelsIHGGBConsumer discretionary$5.3B+12.6%
34PaysafePSFEGBTechnology$4.8B−0.1%
35Ihs HoldingIHSGBCommunication services$4.5B+5.7%
36TormTRMDGBIndustrials$3.4B−3.0%
37Capri HoldingsCPRIGBConsumer discretionary$3.3B−43.6%
38LivanovaLIVNGBHealthcare$2.6B+4.0%
39Navigator HoldingsNVGSGBIndustrials$2.3B+4.5%
40Manchester UnitedMANUGBCommunication services$2.2B+12.2%
41Knot Offshore PartnersKNOPGBIndustrials$1.7B+7.2%
42FerroglobeGSMGBMaterials$1.4B−3.9%
43Genius SportsGENIGBCommunication services$1.1B+42.7%
44Immunocore HoldingsIMCRGBHealthcare$1.1B+5.7%
45Kiniksa Pharmaceuticals InternationalKNSAGBHealthcare$764M+31.5%
46WaldencastWALDGBConsumer staples$746M−23.5%
47Luxfer HoldingsLXFRGBMaterials$370M−3.3%

All figures from SEC filings · FY2025 · 47

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{{cite web |title=Largest companies in the United Kingdom by total assets |url=https://companiesranked.com/en/largest-companies-in-the-united-kingdom-by-total-assets |website=CompaniesRanked |date=2026-09-25 |language=en}}

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@misc{companiesranked-en-largest-companies-in-the-united-kingdom-by-total-assets-2026,
  author       = {{CompaniesRanked}},
  title        = {{Largest companies in the United Kingdom by total assets}},
  year         = {2026},
  howpublished = {\url{https://companiesranked.com/en/largest-companies-in-the-united-kingdom-by-total-assets}},
  note         = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
  urldate      = {2026-09-25}
}

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