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Multi Family OfficeNo direct investingLAST VERIFIED Oct 2026 · 5 SOURCES

Capital Support

The Hague multi-family office that oversees the total wealth of families, entrepreneurs and foundations: asset allocation, manager selection, monitoring, administration and trusteeship.

Identity

HEADQUARTERS
The Hague, Netherlands

Overview

Capital Support B.V. is an independent multi-family office in The Hague that grew out of an administration office for wealthy private clients and has about 30 specialists. For families, (former) entrepreneurs and foundations it sets a strategic asset allocation, selects and monitors banks and asset managers and provides consolidated reporting; it says it does not manage money itself and offers no own investment products. Other services include financial administration, board and domicile services, estate administration and executorship, philanthropy and next-generation support.

People

  • Lodewijk Siertsema
    Managing Partner · source
  • Willem van der Marel
    Partner · source
  • Pieter van Berckel
    Associate Partner, Bewind & Executele · source
  • Monica Walraven
    Manager, Vermogensregie team · source
  • Diana van de Poll
    Manager, wealth reporting team · source

Classification

Multi Family Office. Provides family-office services to several families and invests or allocates their money — through mandates, its own programmes or club deals. Advice-only firms are not listed. How family capital is classified →

FAQ

Capital Support is a multi family office based in The Hague, the Netherlands.

Capital Support does not publicly state whether it invests directly or through funds.

Key people at Capital Support include Lodewijk Siertsema (Managing Partner), Willem van der Marel (Partner), Pieter van Berckel (Associate Partner, Bewind & Executele) and Monica Walraven (Manager, Vermogensregie team).