Thomson Family
Media •
Canada
$82 Billion
Compared to highest reviewed family record
supported estimate · Bloomberg family ranking
Source of Wealth: Thomson Reuters
Industry: Media
Founded By: Roy Thomson
Founded Year: 1934
Continent: North America
Evidence record
Thomson Family claim-level evidence
Each material valuation, principal-ownership and wealth-source statement is tied to the sources reviewed for this family record.
Valuation statusSupported estimate
As ofDec 9, 2025
Evidence confidencehigh
Last reviewedAug 27, 2026
Date basisValuation Date
Displayed valuation$82B
Family valuation$82BsupportedBloomberg
Principal ownershipThe family holds about 70% of Thomson Reuters through Woodbridge.supportedBloomberg
Wealth sourceThomson Reuters and related Woodbridge investments.supportedBloomberg
BloombergThe World’s Richest Families 2025Published Dec 15, 2025 · Established Financial Publication
Limitations: Bloomberg reports $82.1 billion as of December 9, 2025; the directory displays the estimate at whole-billion precision.