As of July 2026, *** a British IT security company, was the largest in terms of market capitalization among European-origin firms, with a market cap of approximately 4.87 billion U.S. dollars. ** from Germany ranked second with a market cap of about 1.16 billion U.S. dollars, followed by Yubico from Sweden.
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CompaniesMarketCap.com. (July 24, 2026). Leading IT security companies in Europe as of July 24, 2026, by market capitalization (in million U.S. dollars) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 31, 2026, from /statistics/1498557/leading-european-it-security-companies-by-market-cap/
CompaniesMarketCap.com. "Leading IT security companies in Europe as of July 24, 2026, by market capitalization (in million U.S. dollars)." Chart. July 24, 2026. ÌÇÐÄÆÆ½â°æ. Accessed July 31, 2026. /statistics/1498557/leading-european-it-security-companies-by-market-cap/
CompaniesMarketCap.com. (2026). Leading IT security companies in Europe as of July 24, 2026, by market capitalization (in million U.S. dollars). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 31, 2026. /statistics/1498557/leading-european-it-security-companies-by-market-cap/
CompaniesMarketCap.com. "Leading It Security Companies in Europe as of July 24, 2026, by Market Capitalization (in Million U.S. Dollars)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 24 Jul 2026, /statistics/1498557/leading-european-it-security-companies-by-market-cap/
CompaniesMarketCap.com, Leading IT security companies in Europe as of July 24, 2026, by market capitalization (in million U.S. dollars) ÌÇÐÄÆÆ½â°æ, /statistics/1498557/leading-european-it-security-companies-by-market-cap/ (last visited July 31, 2026)
Leading IT security companies in Europe as of July 24, 2026, by market capitalization (in million U.S. dollars) [Graph], CompaniesMarketCap.com, July 24, 2026. [Online]. Available: /statistics/1498557/leading-european-it-security-companies-by-market-cap/