Henry Janssen Partner

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Personal quote / philosophy

'I offer entrepreneurs peace of mind by providing them with an accurate and comprehensive insight into their current financial situation in times both good and bad. I also do what I say and say what I do.'

Training and work experience

Henry graduated as an accountant from Hanze University of Applied Sciences Groningen. He has worked as an accountant for SMEs since 1998.

Following 10 years' experience with a Big Four firm, Henry joined Ten Kate Huizinga in 2007, making partner at this regional accountancy and tax consultancy firm in 2010.

With Mazars' takeover of Ten Kate Huizinga on 1 January 2018, Henry became a partner/shareholder at Mazars Netherlands.


Henry's focus is on advising directors and principal shareholders in the matter of both simple and complex problems that require tailor-made solutions. His specific sector experience covers the flexible working, manufacturing, retailing and IT industries.

In addition, Henry is a highly experienced outsourcer of accounting records using the Finance Online concept.

Ancillary positions

Henry is an active member of several business associations in Enschede.