Companies in Luxembourg 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.
Only companies with at least $1bn in revenue are ranked.
Millicom International Cellular (TIGO) tops the list with 28.2% in operating margin for fiscal 2025, ahead of Corporacion America Airports (24.9%) and Tenaris (19.1%). Across the top 10, operating margin ranges from 28.2% down to 4.4%. 11 companies in Luxembourg report operating margin, 0.7% of the 1486-filer universe. The last place on the list, SES, comes in at 2.4%.
| # | Company | Operating margin | YoY | 15-year trend |
|---|---|---|---|---|
| 1 | Millicom International CellularTIGOLUCommunication services | 28.2% | +21.8% | |
| 2 | Corporacion America AirportsCAAPLUIndustrials | 24.9% | +2.6% | |
| 3 | TenarisTSLUMaterials | 19.1% | −1.3% | |
| 4 | Nexa ResourcesNEXALUMaterials | 16.6% | +66.0% | |
| 5 | Spotify TechnologySPOTLUCommunication services | 12.8% | +46.8% | |
| 6 | CriteoCRTOLUCommunication services | 10.4% | +33.1% | |
| 7 | GlobantGLOBLUTechnology | 7.0% | −25.0% | |
| 8 | ArcelormittalMTLUMaterials | 5.9% | +11.6% | |
| 9 | TerniumTXLUMaterials | 4.5% | −36.9% | |
| 10 | Ardagh Metal PackagingAMBPLUIndustrials | 4.4% | +7.8% | |
| 11 | SESSGBAFLUCommunication services | 2.4% | −23.8% |
All figures from SEC filings · FY2025 · 11
see sources
- Millicom International Cellular 0001628280-26-020831 · Derived
- Corporacion America Airports 0001104659-26-029442 · Derived
- Tenaris 0001554855-26-000490 · Derived
- Nexa Resources 0001292814-26-001787 · Derived
- Spotify Technology 0001628280-26-006874 · Derived
- Criteo 0001576427-26-000014 · Derived
- Globant 0001628280-26-012910 · Derived
- Arcelormittal 0001243429-26-000020 · Derived
- Ternium 0001342874-26-000020 · Derived
- Ardagh Metal Packaging 0001104659-26-024068 · Derived
- SES 0001193125-26-138166 · Derived
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<p style="max-width:680px;font:13px system-ui,sans-serif">Source: <a href="https://companiesranked.com/en/companies-with-the-highest-operating-margin-in-luxembourg">Companies in Luxembourg with the highest operating margin</a> — CompaniesRanked, compiled from SEC EDGAR filings</p>Cite this page
Ready-made references for the figures on this page, as published on September 25, 2026.
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CompaniesRanked. (September 25, 2026). Companies in Luxembourg with the highest operating margin. CompaniesRanked. https://companiesranked.com/en/companies-with-the-highest-operating-margin-in-luxembourgBibTeX
@misc{companiesranked-en-companies-with-the-highest-operating-margin-in-luxembourg-2026,
author = {{CompaniesRanked}},
title = {{Companies in Luxembourg with the highest operating margin}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/companies-with-the-highest-operating-margin-in-luxembourg}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.
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