Hi, we're
dutchtaxadvice.
The people behind your Dutch taxes, since 2014.
Advisers who treat your situation as their own
For over a decade, we’ve been helping companies and internationals find their way through the Dutch tax system, in plain English. A team of tax advisers, payroll specialists, administration and compliance experts in Haarlem, with one habit that never changed: explaining things properly, as often as you need.
Why us?
Three principles guide everything we do, from the first call to the final filing.
We care
Your situation is never just a file. We give you the advice we’d want for ourselves.
We know
Years of deep expertise in Dutch corporate tax, payroll and global mobility.
We speak your language
Clear English, straight answers, no tax jargon.
Our team of experts
No account managers in between: the person who knows your file is the person you talk to.
Mark Bastiaans
Owner & managing director
Founded Dutchtaxadvice in 2014 after years at Deloitte and international firms. Specialist in the 30% ruling and international tax.
Alexander Zahariev
Tax adviser
Believes tax should be kept simple, and translates the complicated parts until they are.
Pieter Verschoor
Payroll & income tax specialist
Bridges the two worlds where most expat questions live: what payroll does and what your tax return says.
Kim Onos
Compliance & administration
Vast experience keeping small and medium businesses compliant, in Dutch and in English.
Carmen Wannee
Administration specialist
Keeps client administrations tidy, current and ready for every VAT return and annual account.
Stéphanie van Dalen
Payroll specialist
Makes sure every payroll obligation is met and every payslip is right.
Nancy Wiersma
Senior business administration specialist
Years of bookkeeping experience and a sharp eye for what the numbers are telling you.
From one adviser to a full team
Dutchtaxadvice started in 2014 with one adviser and one conviction: expertise only counts when the person receiving it understands it. Read how that idea grew into the firm it is today.
We're growing, and choosy about it
Team lunches in the Haarlem centre, trips to Brussels and Paris, and a no-overtime culture. We believe good advice comes from people who enjoy their work, and we’re always looking for the next colleague who fits.
Beyond the numbers
A healthy economy needs a healthy planet. That’s why Dutchtaxadvice is a proud business supporter of WWF, contributing to conservation efforts that protect endangered species, restore ecosystems and promote sustainable solutions. It’s our way of making sure our work counts for more than the bottom line.
Ready to hand over the admin?
Book a free intro call
An expat with Dutch taxes to sort?
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FAQ
Common questions answered clearly
Where are you located?
Our team works from the centre of Haarlem, and we serve clients across the Netherlands and beyond. Most of our work happens remotely, so distance never matters.
Are you registered advisers?
Yes, we’re members of the Dutch Association of Tax Advisers (NOB), which sets standards for expertise, conduct and continuing education.
Do you only work in English?
English is our working language with most clients, and Dutch is just as natural. Documents, advice and emails come in the language you prefer.
Who will actually handle my file?
One adviser, who knows your situation and stays your contact. You’ll never have to explain your story twice.
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