Guillette specialises in mergers and acquisitions, representing clients including domestic and foreign private equity funds, institutional investors and strategic partners. She focuses on private equity investments and the financial sector and regularly works together with Houthoff’s Regulatory Team. Guillette has had a leading role in more than 50 transactions and became a partner at Houthoff in July 2022. In 2018, she was seconded to Sidley Austin LLP in London.
Guillette van Grinsven
Attorney-at-law | Partner

- Advised Söderberg & Partners (again and including) on the acquisition of SAA Holding B.V. (“SAA”), one of the largest independent insurance brokers in the Netherlands. With this acquisition, SAA chooses for the Söderberg & Partners model to ensure sustainable growth.
- Advised IK Partners on the sale of its portfolio company Yellow Hive to IK Partners' first continuation fund, IK Strategic Opportunities I.
- Advised IK Partners on the acquisition of an economical majority stake in QConcepts Beheer B.V., a fast growing Dutch audit-focused specialist.
- Specialisation Course Company Law & Business Law (cum laude) (Grotius Academy)
- Law Firm School (cum laude)
- LL.M. Company Law (cum laude) (Utrecht University)
- LL.B. Law (Utrecht University)
- Admitted to the Bar in the Netherlands in 2011
- Chair of the Legal & Regulatory Committee of the Dutch Association for Private Equity and Venture Capital (NVP).
- Has a seat on the European Regional Forum Committee of the International Bar Association
- Until 2023, Guillette was a board member of the Dutch Young M&A Community
- Won the Best Young Professionals Law Award in 2016
Dutch, English
Upcoming
event

Houthoff Corporate Ladies Event: Succes is a human endeavour
29 September 2025
Amsterdam