Guide

Guides to Dutch company data and B2B outreach

Guides to buying Dutch company data, the KVK business register, SBI industry codes and what the Telecommunications Act allows in B2B outreach.

25 October 2026

B2B outreach in the Netherlands: what the Telecommunications Act allows

Post, phone, email: which rules apply to bvs, sole traders and freelancers in the Netherlands, including the change of 1 July 2026 and the GDPR.

Buying Dutch company data: eight checks before you order

Eight checks before you order: source, data date, coverage per field, legal form, NMI, sample file, price per usable record and usage rights.

The Dutch business register (KVK): which data is public?

What the Dutch business register (KVK) contains, what is shielded, what the Non-Mailing Indicator does and why the register is not a free address list.

SBI codes: how to define your target group

How the Dutch Standard Industrial Classification is structured, what changes with SBI 2025 and how to translate a target group into codes.