Maartje Jongejans is an attorney at law and a member of the Energy & Infrastructure team at Loyens & Loeff in the Netherlands. Before joining this team, Maartje was part of the Competition Team within the Corporate / M&A Expertise Group at our Amsterdam office. In that role, she advised international clients on merger control, abuse of dominance, and cartel investigations. She also specialized in (public) procurement law, providing strategic advice on in-house procurement, guiding clients through tendering procedures, and advising on procurement litigation.

Sectors & Markets
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Memberships

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Dutch Bar Association, 2023
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Qualifications

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LLM European Law, Utrecht University, 2021
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LLB Dutch Law, Utrecht University, 2019
Event
The new EU procurement directives: key changes and practical implications
03-11-2026
12:00 - 13:30 CET
The new EU procurement directives: key changes and practical implications
We are pleased to invite you to our lunch & learn sessions “The new EU procurement directives: Key changes and practical insights”, organised in Belgium, Luxembourg and The Netherlands.

Maartje Jongejans

Associate - Attorney at Law

Maartje.Jongejans@loyensloeff.com

Amsterdam

English, Dutch

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<p>Maartje Jongejans, attorney-at-law, is an associate of the Energy & Infrastructure team in our offices in the Netherlands.</p>

Maartje Jongejans is an attorney at law and a member of the Energy & Infrastructure team at Loyens & Loeff in the Netherlands. Before joining this team, Maartje was part of the Competition Team within the Corporate / M&A Expertise Group at our Amsterdam office. In that role, she advised international clients on merger control, abuse of dominance, and cartel investigations. She also specialized in (public) procurement law, providing strategic advice on in-house procurement, guiding clients through tendering procedures, and advising on procurement litigation.