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

Companies in the United Kingdom with the highest operating margin

Operating margin is operating income divided by revenue. Only companies with at least $1 billion in revenue are ranked here. 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 1–33 of 33 · Fiscal year 2025 · Data as of September 25, 2026

Only companies with at least $1bn in revenue are ranked.

Ihs Holding (IHS) tops the list with 51.9% in operating margin for fiscal 2025, ahead of British American Tobacco P.L.C (39.0%) and Relx (31.6%). Across the top 10, operating margin ranges from 51.9% down to 24.3%. 33 companies in the United Kingdom report operating margin, 2.2% of the 1486-filer universe. The last place on the list, Capri Holdings, comes in at 0.7%.

Operating margin
#CompanyOperating marginYoY15-year trend
1Ihs HoldingIHSGBCommunication services51.9%+31.3%
2British American Tobacco P.L.CBTIGBConsumer staples39.0%+269.1%
3RelxRELXGBTechnology31.6%+4.1%
4Wise GroupWSEGBTechnology31.2%−33.8%
5PrudentialPUKGBFinancials28.8%−1.2%
6TormTRMDGBIndustrials26.6%−37.0%
7LindeLINGBMaterials26.3%+0.4%
8Birkenstock HoldingBIRKGBConsumer discretionary26.2%+12.3%
9Rio TintoRIOGBMaterials25.9%−11.2%
10GSKGSKGBHealthcare24.3%+89.5%
11AstraZenecaAZNGBHealthcare23.4%+26.5%
12Intercontinental HotelsIHGGBConsumer discretionary23.1%+9.2%
13Willis Towers WatsonWTWGBFinancials23.0%+264.4%
14HaleonHLNGBConsumer staples21.9%+11.4%
15PentairPNRGBIndustrials20.5%+4.3%
16Arm HoldingsARMGBTechnology18.3%−11.8%
17UnileverULGBConsumer staples17.9%+6.4%
18DiageoDEOGBConsumer staples15.5%−28.0%
19TechnipfmcFTIGBEnergy14.5%+13.5%
20LivanovaLIVNGBHealthcare14.4%+39.5%
21PearsonPSOGBCommunication services14.2%−6.9%
22Coca-Cola Europacific PartnersCCEPGBConsumer staples13.4%+28.1%
23Smith & NephewSNNGBHealthcare12.9%+13.9%
24Brightstar LotteryBRSLGBCommunication services11.9%−56.4%
25Nomad FoodsNOMDGBConsumer staples10.7%−14.1%
26CNH IndustrialCNHGBIndustrials9.2%+3.8%
27Rentokil InitialRTOGBIndustrials8.5%−13.1%
28AmcorAMCRGBConsumer discretionary6.7%+3.5%
29BPBPGBEnergy6.6%+13.1%
30Sensata TechnologiesSTGBTechnology6.4%+68.9%
31PaysafePSFEGBTechnology4.2%−46.0%
32WPPWPPGBCommunication services2.8%−68.6%
33Capri HoldingsCPRIGBConsumer discretionary0.7%+1.4 pp

All figures from SEC filings · FY2025 · 33

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{{cite web |title=Companies in the United Kingdom with the highest operating margin |url=https://companiesranked.com/en/companies-with-the-highest-operating-margin-in-the-united-kingdom |website=CompaniesRanked |date=2026-09-25 |language=en}}

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CompaniesRanked. (September 25, 2026). Companies in the United Kingdom with the highest operating margin. CompaniesRanked. https://companiesranked.com/en/companies-with-the-highest-operating-margin-in-the-united-kingdom

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

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