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Thursday, Apr 9, 2026

$950M for Nielsen Expositions in South County

Trade show organizer Nielsen Expositions in San Juan Capistrano agreed to be acquired by Toronto-based private equity firm Onex Corp. for $950 million.

Nielsen Expositions is part of Netherlands-based information and analytics company Nielsen Holdings N.V. The parent company’s operations include measurements of TV ratings and consumer spending patterns.

Nielsen Expositions, which has about 240 employees across four offices nationwide, organizes more than 65 business-to-business trade shows and conference events in the U.S. each year.

The segment had about $183 million in revenue last year, accounting for about 3% of the parent company’s total revenue.

—Jane Yu

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