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.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. A true all-round position at the heart of the organization. You ensure that the day-to-day operations run smoothly while supporting both senior leadership and colleagues across different activities. Your responsibilities will include: Providing executive and personal assistant support to members of the organization 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 Keeping internal systems up to date and ensuring documents are properly processed Coordinating travel, meetings, agendas and small events Ensuring the office is organized, efficient and welcoming at all times This is a role with real ownership: you will be trusted to anticipate needs, take initiative and keep the organization running seamlessly. 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 communicate clearly, confidently and with natural ease across different levels You are proactive, organized, poised and able to work independently in a high-expectation environment You enjoy being part of a small, agile team where professionalism and reliability truly matter You will join an established yet evolving environment where quality, trust and long-term collaboration guide the way of working. Expect a role with breadth, impact and visibility — one where your contribution genuinely makes a difference. They offer a competitive compensation package aligned with your experience, as well as the opportunity to grow, learn and shape your role over time. 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.