Janthijn Siebert
Advocaat/Partner at HAUT Legal & Tax | Heemstede, North Holland, Netherlands
Janthijn Siebert’s Email & Phone Number
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Advocaat/Partner at HAUT Legal & Tax in March 2020 - Present
Partner/Advocaat at Siebert & Becker Advocaten en Fiscalisten in October 2011 - March 2020
Senior Attorney at Dijkstra Voermans Lawyers in November 2002 - September 2011
lawyer at Dijkstra Voermans Advocatuur & Notariaat in January 2002 - September 2011
legal counsel at BDO in January 2002 - December 2008
Student-Researcher at Detroit Regional Chamber in July 1997 - March 1998
Grotius Academie - Insolad, Post-Academische opleiding, September 2026
Radboud University, Bachelor of Laws (LLB), September 1999 to September 2026
Windesheim, Bachelor's degree, September 1995 to September 1999
Advocaat/Partner | Ondernemingsrecht | Faillissementsrecht | Financiering & Zekerheden | Overnames
Advocaat/Partner at HAUT Legal & Tax
(July 2022 – Present)
advocaat/attorney, curator/liquidator & co-founder van HAUT Legal
Advocaat/Attorney & co-founder at HAUT Legal
(March 2020 – Present)
Senior Paralegal | Insolvency
Faillissementsmedewerker/paralegal at HAUT Legal
(Apr 2025 – Present)
Advocaat/Partner/Belastingkundige bij HAUT Legal & Tax
Owner at Siebert en Becker Advocaten
(Present)
Faillissementsmedewerkster bij Haut Legal
Faillissementsmedewerkster at HAUT Legal
(Sep 2013 – Present)
Advocaat-Partner/Curator at HAUT Legal
Lid College van Afgevaardigden Nederlandse Orde van Advocaten at Nederlandse orde van advocaten
(Oct 2010 – Present)
What is Janthijn Siebert email address?
Email Janthijn Siebert at [email protected] and [email protected]. This email is the most updated Janthijn Siebert's email found in 2026.
What is Janthijn Siebert phone number?
Janthijn Siebert phone number is 0619934330.
How to contact Janthijn Siebert?
To contact Janthijn Siebert send an email to [email protected] or [email protected]. If you want to call Janthijn Siebert try calling on 0619934330. (updated on November 08, 2025)
What industry does Janthijn Siebert work in?
Janthijn Siebert works in the Law Practice industry.
