Vertical software for German industries, built with current AI models hi@westwoodworks.de
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Everything ends up in the books eventually. Here.

DATEV-compatible. Built for business owners, not accountants.

Ziffero handles bank import, transaction categorisation, VAT reporting, and financial overviews for German freelancers and small businesses. When tax season arrives, your Steuerberater gets a DATEV-compatible export — no manual conversion, no back-and-forth.

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The problem with German bookkeeping software

DATEV is the dominant accounting platform in Germany — it’s what most tax advisors (Steuerberater) use. But DATEV is expensive and designed for professionals, not for business owners who need a quick look at their finances between client calls. A full licence runs several hundred euros per year before setup fees.

Lexware is affordable and widely known. The interface is not from this decade.

Sevdesk and Fastbill are modern and well-designed. They are not DATEV-compatible. Every year, that gap becomes a manual handoff to your tax advisor — with the rework, questions, and time loss that follows.

Ziffero closes that gap. A modern interface for the business owner. A clean DATEV export for the Steuerberater. No compromise in either direction.

How Ziffero works

Bank import. Upload bank statements via CSV or connect your account directly. No manual entry.

Automatic categorisation. Transactions are assigned to categories based on rules and transaction history. You confirm or correct — that’s it.

VAT reporting (Umsatzsteuervoranmeldung). Ziffero drafts your monthly or quarterly VAT return based on your categorised transactions. You review it. Your tax advisor signs off.

DATEV export. When your annual accounts are due, export in the DATEV format your Steuerberater already works in. No special handling required on their end.

Anomaly flags. Duplicate amounts, unfamiliar payees, statistical outliers — flagged before they become a problem.

Bank transactions via KontoKit. Optionally, Ziffero takes transactions from KontoKit, our local home banking tool. Ziffero works without KontoKit too; bank access stays with you, and your PIN and credentials never reach Ziffero.

Why Ziffero

Actually DATEV-compatible

Not “exportable with effort.” The export matches the DATEV standard that German tax advisors use every working day. This is not a checkbox feature. It is the starting point.

Built for owners, not accountants

Clear financial overviews, plain-language categories, no jargon you need to look up. You see where your money is. Your Steuerberater gets what they need.

Priced for small businesses

DATEV licences start in the hundreds of euros per year — before Steuerberater setup fees. Ziffero is priced for sole traders and small GmbHs, not mid-sized tax practices.

Waitlist

Ziffero is in beta. We are onboarding users gradually.

If you want to be notified when spots open, add your name below. No newsletter, no promotional emails — just a message when access is available.

Join the waitlist