My Koenen en Co Portal

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Via the My Koenen en Co portal you receive and approve documents that we prepare for you.


This may concern:

  • Sales tax return (quarterly/monthly)
  • Sales tax supplement declaration
  • ICP declaration (per quarter / per month)
  • Financial statements (annual)
  • Publication figures (annual)
  • Income tax return (annual)
  • Corporate tax return (annual)
  • Credit reporting (annual)


The moment we prepare a document, you will be notified by e-mail. You can then log in and view the document or forward it to the Tax Authorities, Chamber of Commerce or other body.

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