Belgium

Top 64 largest Belgian Companies by Market Cap

This is the list of the largest public listed companies from Belgium by market capitalization with links to their reference stock, sector and industry.

Belgium Market Analysis
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Top Companies from Belgium as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
61 Indoor and Outdoor Communication Holding SA Belgium Belgian Communication Services Belgian Advertising Agencies
62 Photonike Capital SA Belgium Belgian Financials Belgian Capital Markets
63 D'Ieteren Group SA Belgium Belgian Consumer Discretionary Belgian Auto & Truck Dealerships
64 Biotalys NV Belgium Belgian Basic Materials Belgian Agricultural Inputs

Top Companies from Belgium as of Jan. 01, 2026

61. Indoor and Outdoor Communication Holding SA

Company Profile: Indoor and Outdoor Communication Holding SA
Country: Belgium
Sector: Belgian Communication Services
Industry: Belgian Advertising Agencies

62. Photonike Capital SA

Company Profile: Photonike Capital SA
Country: Belgium
Sector: Belgian Financials
Industry: Belgian Capital Markets

63. D'Ieteren Group SA

Company Profile: D'Ieteren Group SA
Country: Belgium
Sector: Belgian Consumer Discretionary
Industry: Belgian Auto & Truck Dealerships

64. Biotalys NV

Company Profile: Biotalys NV
Country: Belgium
Sector: Belgian Basic Materials
Industry: Belgian Agricultural Inputs

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