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Our survey approach

2024 Belgium Spencer Stuart Board Index

The 2024 Belgium Spencer Stuart Board Index covers the 47 companies in the Bel 20 and Bel MID indices (as of 31 May 2024).

The purpose of the survey is to provide a comprehensive review of governance practices and to identify emerging significant trends among Belgium’s largest companies.

We analysed board size and composition, committee structure and director compensation for the 2023 financial year, compiling our research from a combination of publicly available sources such as latest annual reports and company websites, minutes and agendas of general meetings, and BoardEx.

Measured as of 31 May 2024:

  • Board composition
  • Executive committee composition
  • Female representation
  • Independence
  • Tenure
  • Board commitments
  • Age
  • Foreign representation


Measured as of 31 December 2023:

  • Board meetings
  • Board committee meetings
  • Board remuneration

There have been significant changes to the constituent companies under review since the 2023 Board Index, when 56 companies were surveyed, compared to this year’s cohort of 47.

The Solvay spin-off, Syensqo, joins the BEL 20 in its first year of market entry. Sofina transitions to the Bel 20 from the Bel Mid. Ten companies have exited one or other of the indices surveyed. They are: Agfa Gevaert, Telenet, Euronav, Atenor, Compagnie du Bois Sauvage, Exmar, Home Invest Belgium, Immobel, Intervest Offices & Warehouses, and Sipef.

To develop our understanding of non-executive directors, we investigated further their sector and functional background. We also examined the current activities of board members, including their roles as current executives or as supervisory board members, and the number of public boards on which they serve.

The 2024 Board Index also examines family-owned businesses, which account for 45% of the 47 companies under review.