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.

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.

Stay up to date

The latest developments

Corporate Law

The life cycle of a business (5): How do you cooperate within a company? The importance of clear agreements

31 March 2026

In this ten-part blog series, we reflect on the life cycle of a business. Which legal form should I choose? What is required to establish a company? How does a company come to an end? Who are the stakeholders involved, and how do you deal with a business partner who leaves? In this fifth part, we discuss how arrangements within a company can be structured. We also address the importance of clear agreements.

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Corporate Law

De Clercq Advocaten Notariaat appoints Tim de Vries as Salary Partner effective 1 January 2026

6 January 2026

As of 1 January 2026, Tim de Vries has been appointed as a Salary Partner in the Corporate Law team at De Clercq Advocaten Notariaat. His appointment underscores the continued strengthening of the firm’s corporate law practice.

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Corporate Law

Shareholder disputes (II): Resolving shareholder disputes

8 December 2025

Differences in vision or interests can arise between shareholders, which may lead to conflicts. Such disputes can put pressure on the continuity of the company and therefore require a careful and strategic approach. In this second part on shareholder disputes, we discuss the legal options for resolving such disputes.

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