# Family Office Seyst

Family Office Seyst is a Multi Family Office based in Utrecht, Netherlands.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Utrecht, Netherlands
- **Region:** Europe
- **Address:** Lingestraat 45, 3522 TL Utrecht, Netherlands
- **Founded:** 2009
- **Assets under management:** Undisclosed
- **Website:** familyofficeseyst.nl
- **LinkedIn:** https://www.linkedin.com/company/family-office-seyst

## Regulatory record

- **Reports private funds:** No

## About

Family Office Seyst was established by Wim Griffioen, a former banker with more than twenty years in the sector. The firm supplies financial and administrative services centered on wealth preservation and investment management for multiple client families. The office allocates across private equity, real estate, private credit, and infrastructure. It also holds exposure to digital assets and collectibles. Confirmed investment stages run from seed through series G. Positions span Europe, North America, Asia, and the Middle East. The firm participates in both fund commitments and direct co-investments. No headcount or additional offices are disclosed. The firm maintains membership in VFO, the Dutch association of family offices. No operational events from the past twenty-four months appear in public records. The structure centers on a single founder-director model that integrates banking experience with tailored mandates for multiple families rather than a single lineage.

## Sectors

- AgriTech & FoodTech
- ClimateTech
- Energy Transition & Renewables
- FinTech
- PropTech
- Healthcare Services
- Digital Health

## People

- Wim Griffioen — Founder and Director

## Questions

### Who runs investment decisions at Family Office Seyst?

Wim Griffioen serves as Founder and Director and oversees investment decisions.

### Does Family Office Seyst participate in fund commitments or only direct deals?

The firm uses both fund commitments and direct co-investments or SPVs.

### What investment stages does Family Office Seyst typically target?

Stages range from seed through series G.

### Which regions does Family Office Seyst cover?

The firm invests in Europe, North America, Asia, the Middle East, and Oceania.

### Is Family Office Seyst a member of any professional networks?

It maintains membership in VFO, the Vereniging van Family Offices.

### What asset classes does Family Office Seyst use?

Allocations include private equity, real estate, private credit, infrastructure, hedge funds, and digital assets.

## Related profiles

- [Family Office Gartenstraße](https://altss.com/profile/family-office-gartenstra-e)
- [Fanspartners Family Office](https://altss.com/profile/fanspartners-family-office)

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Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/family-office-seyst

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