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Flags in front of the European Union Parliament building in Brussels

Brussels

Capital of European Policy

Brussels is the engine of European integration and regulation. As the seat of the European Union’s institutions, it is where rules affecting more than 500 million citizens are designed, debated, and adopted. Decisions made in Brussels ripple across global markets, as EU standards on trade, privacy, climate, and consumer rights often set the benchmark for the rest of the world. At the same time, the city is a magnet for international business, NGOs, and civil society organizations seeking to shape policy at the European level.

What we do

Leidar’s Brussels office heads our advocacy and public affairs practice, providing clients with the expertise needed to engage with EU institutions. Our consultants go beyond traditional lobbying, combining campaigning, regulatory insight, political analysis, and communications strategy. We help multinational corporations, industry associations, and nonprofit organizations adapt to and influence Europe’s ever-shifting regulatory landscape.

We also link Brussels to our global network, leveraging the Brussels-Geneva-London triangle of influence. With proprietary methodologies and digital tools for stakeholder mapping, we design bespoke advocacy strategies that achieve measurable outcomes. For any organization affected by EU regulation, Brussels is not optional — it is essential.

Address

Square de Meeûs - de Meeûssquare 35, 1000 Brussels

Lat: 50.84076, Long: 4.36943  

Key contact

 

Mariano Guillén

Head of Brussels Office

Tel: ‭+32 488 04 63 71‬

mariano.guillen@leidar.com

Our team in Brussels

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Our offices

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    Brussels

    Square de Meeûs - de Meeûssquare 35, 1000 Brussels

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    Dubai

    JAFZA One, Tower A PO Box 35608, Dubai

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    Geneva

    Rue Muzy 7, 1207 Geneva

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    London

    2 Kingdom Street, London W2 6BD

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    New York

    14 Penn Plaza 225 West 34th Street, New York, NY 10122

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    Oslo

    Grev Wedels Plass 4, 0151 Oslo

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    Singapore

    143 Cecil Street #03-01 Singapore 069542

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    Washington, DC

    1500 K Street, NW, 2nd Floor Washington, DC 20005

Contact us

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