Free call
Contact

Ask us anything.

We reply within one working day.

123 Tax › Contact · Last checked: 26 October 2026

Send us your question

Or reach us directly

Free call

30 minutes, online or by phone.

Book a call →

WhatsApp

Send a message – we reply within one working day.

Chat now →

Email

info@123-tax.nl – for documents and longer questions.

Send email →

Office

Hurksestraat 60, 5652 AL Eindhoven – by appointment.

Open map →

General information about Dutch tax for 2026, not personal tax advice. Rules and amounts change every year – we check your own situation before we file anything. 123 Tax is not part of the Dutch Tax Administration (Belastingdienst).