Office Supervisor

We are looking for a dynamic Office Manager / Executive Assistant in the center of Brussels, who thrives in a refined, fast-moving and highly professional environment. You will join a small, close-knit team where trust, discretion and initiative are indispensable. You ensure that the day-to-day operations run smoothly while supporting both senior leadership and colleagues across different activities. Assisting the investment team with follow-up on their ongoing participations and documentation
Managing administrative workflows and acting as the operational backbone of the office
Handling payments , invoices , and basic accounting tasks
Ensuring the office is organized, efficient and welcoming at all times
You bring 2–7 years of relevant experience in Office Management, Executive Assistance or a similar role
You are fluent in French , comfortable in English , and able to work in Dutch
You have a good understanding of basic financial or administrative processes and feel at ease working with numbers
You enjoy being part of a small, agile team where professionalism and reliability truly matter

Our client is a well‑established Belgian family office with a strong focus on long‑term value creation. Active across listed equities, private equity, venture capital and selective real‑estate opportunities, they operate with a clear commitment to trust, transparency and high‑quality relationships. As a small and dynamic team, they offer a human‑centered environment where professionalism, discretion and collaboration are key.

You will join an established yet evolving environment where quality, trust and long-term collaboration guide the way of working.