Executive Assistant

Location: Diegem

Our client is a well‑established Belgian family office in Brussels 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, who thrives in a refined, fast-moving and highly professional environment. 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.

Communication, Organization Skills, Documentation, Highly responsible, Proactivity, Agile Methods, Office Management, Investment, Internal Systems, Work Streams, Administration, Billing, Management, Acting, Payment processing, Senior Leadership, Initiative taker, Accounting