Winstwaker – automated bookkeeping with a real accountant attached

I built Winstwaker, a bookkeeping service for Dutch businesses that pulls transactions directly from your bank and hands the clean data to a dedicated accountant.

Running a small business in the Netherlands means dealing with a lot of admin. Most owners either hire a bookkeeper they rarely hear from or suffer through accounting software they don't fully understand. I wanted something in between. We built direct API connections to ING, Rabobank, ABN AMRO, bunq, and several others.

Receipts, Mollie payouts, Stripe transactions, Shopify orders — it all flows in automatically. Your accountant sees the same live data and reaches out proactively instead of waiting for year-end panic. No manual exports, no chasing invoices, no surprise tax bills.

Would love feedback from anyone who has dealt with Dutch tax administration or built similar hybrid service products.