Sonja Geldermans

Sonja Geldermans

Associate | Attorney at law

Corporate Law

Sonja Geldermans advises entrepreneurs (both large and SMEs) about a variety of corporate law matters ranging from mergers, acquisitions and restructures, to internal and business disputes.

‘Corporate law is a broad and diverse field with often complex legal issues. To ensure I can provide clients with the most effective advice, I aim to thoroughly understand all aspects of a case. Based on that, I determine the way of achieving the optimal outcome for the client.’

Education

Sonja graduated from Leiden University in 2020 with two Master’s degrees, in Corporate Law and European Law (cum laude). During her Bachelor’s degree, she successfully completed the Honours College Law programme and studied at Oxford University for a year, gaining the Diploma in Legal Studies. Additionally, in 2026, she graduated cum laude from the Grotius postgraduate programme in Corporate and Business Law.

Career

After undertaking a number of internships and working at a law firm as a paralegal, Sonja joined De Clercq in September 2020.

Sonja’s daily practice

Sonja handles a broad range of matters within corporate law, from litigating on liability issues, to drafting and reviewing contracts and advising and guiding restructuring processes.

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The latest developments

Corporate Law

No Directors' Liability for Failed Startup, but Liability for Preferential Payments

18 June 2026

On 10 June 2026, the Limburg District Court delivered an interesting judgment on directors' liability in the context of a failed startup. The bankruptcy trustee argued that the company's directors had manifestly mismanaged the company and were therefore liable for the entire bankruptcy deficit. The court dismissed that claim but did hold the directors personally liable for preferential payments made to affiliated parties shortly before the company's bankruptcy.

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Corporate Law

The Business Lifecycle (6): Why Are Companies Acquired?

11 June 2026

In this ten-part blog series, we explore the lifecycle of a business. Which legal structure should you choose? What is required to incorporate a company? How does a company come to an end? Who are the key stakeholders, and how should you deal with a business partner who decides to leave? In this sixth instalment, we discuss the reasons why companies are acquired, with a particular focus on the buy-and-build strategy.

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Corporate Law

The explanation of technical requirements in procurement tenders

17 April 2026

Last month, we successfully represented a contracting authority in summary proceedings before the District Court of The Hague. The central question was whether a delivered machine complied with the knock-out requirements set out in the tender. However, beneath this lay a more fundamental legal question: how does the court interpret technical requirements?

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