bookkeeping harmonization

Numbers you can
trust.

When every receipt is booked by gut feeling, your reports aren’t wrong — but they aren’t comparable either. We build a binding set of booking rules on top of your chart of accounts. So that variances in your monthly reports mean something again.

// expertise across all of accounting

No case too specific. No backlog too big.

Harmonization is our specialty — but far from all we do. We know accounting from daily operations: from a single booking question to untangling a bookkeeping that has gone off the rails. And we are fast. What sits untouched internally for months, we often catch up in days.

Account coding & charts of accounts
German SKR 03/04 or custom
Receivables, payables & open-item matching
open items cleanly reconciled
Receipt chaos & backlogs
cleaned up and caught up
Closing preparation
aligned with your tax firm
Reports, KPIs & cost centers
analyses that hold up
VAT codes & reverse charge
correctly configured for booking
DATEV export & interfaces
clean handover to your tax firm
Recurring special cases
settled once, consistent forever

You describe the problem — we tell you realistically how fast it can be solved. This is not tax advice (see footer); the operational bookkeeping behind it very much is our work.

// the problem

The same transaction, three different accounts.

Depending on who happens to book it. Cost centers by feel. The consequences:

  • Year-on-year comparisons are worthless, because variances could just as easily be booking noise as real developments.
  • Your tax advisor rebooks, asks questions, bills for it.
  • Plan-actual comparisons and budget control are built on sand.

// the solution: a binding rulebook

Defined once, the rule applies to everyone.

For each supplier, transaction type and cost center we define a fixed booking rule — cleanly mapped to your chart of accounts and documented. The result:

[ comparability ]

Numbers that mean something

Your figures become consistent across months and years. Variance analysis becomes meaningful again.

[ less friction ]

A calmer closing

Fewer rebookings, fewer queries, less reconciliation effort with your tax firm.

[ automation ]

The company brain of your finances

Fixed rules are the precondition for reliable AI-assisted pre-booking. The rulebook is your bookkeeping knowledge — structured and machine-readable. The AI pre-books — you approve.

// how we proceed

From booking audit to ongoing maintenance.

01 →

Booking audit

We analyze your past bookings and show where inconsistency distorts your reports.

02 →

Rulebook build

We create the booking rulebook on top of your chart of accounts (German SKR 03/04 or custom) — aligned with your tax firm, documented for your team.

03 ✓

Ongoing maintenance

New suppliers, new transaction types, new rules. On request including AI-assisted pre-booking in daily operations.

// data privacy is architecture, not fine print

You choose where your data is processed.

AI-assisted accounting does not mean your documents wander off somewhere. Our tier model turns the data path into a conscious decision — your decision:

[ tier 1 · on premise ]

No cloud AI

Our audit and reconciliation tools run as local software — on request entirely on your machine. Deterministic, traceable, no AI cloud. Not a single document leaves the building.

[ tier 2 · pseudonymized ]

AI without real names

The machine detects anomalies locally; only pseudonymized patterns are sent to the AI for assessment — amounts and constellations, no names, no bank details.

[ tier 3 · fully integrated ]

AI with a DPA

Full AI support in a commercial environment under a data processing agreement: no training on your data, sub-processors named openly and approved in your DPA with us.

Every tier is a complete operating mode, not a compromise. You can switch at any time — starting at tier 1 commits you to nothing.

Here too, the best entry point is taking stock.