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Nextens

Dutch tax return software and tax knowledge base for tax advisers and financial professionals

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About Nextens

Nextens provides tax filing software and a fiscal knowledge source for tax and financial professionals in the Netherlands. It links up-to-date tax guidance directly to its filing packages and is part of RELX, which is listed in London and Amsterdam.

What Nextens offers

  • Income tax filing — software for personal income tax returns, which the company says handles half of such returns in the Netherlands.
  • VAT and ICP — filing tools for VAT and intra-community supply declarations.
  • Corporate and dividend tax — packages for corporate tax returns and a digital dividend tax filing tool.
  • Gifts and inheritance — tools for advising clients on gifts and estates.
  • Nextens Tex — an AI assistant for tax questions.
  • Knowledge base and objections — a fiscal reference library, plus digital filing of objections with deadline tracking.

Who it works with

Tax advisers, accountants and other financial professionals in the Netherlands who file returns for their clients.

Key facts

  • Based in: Netherlands
  • Parent company: RELX
  • Certification: ISO 27001 for data security
  • Support: guidance and training from experts included for customers
  • Integrations: connects with various other software packages

Profile written by TrustList from the business's own published information, Sep 2026.

What the business tells TrustList

Certifications and partner status
ISO 27001 evidence sent

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