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Rechnungskit
Christian Häfner

Christian Häfner

Founder at Rechnungskit

Christian Häfner co-founded FastBill and built invoicing software for freelancers and small businesses there, all the way to the exit. Today he runs Happy Coffee, an online coffee shop, where he automated the whole path from order to payment to DATEV. Rechnungskit grew out of that work, and Happy Coffee issues its own invoices with it.

At Rechnungskit he writes about e-invoicing, VAT in online retail and the handover to your tax advisor (Steuerberater).

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