Timing: when each step makes sense
Two dates structure the preparation. The first falls in November or December: here you check completeness, chase missing invoices, and pull annual statements from portals while they are still retrievable there. The second falls in January or February, once nothing more is arriving: now you name, check and hand over. That order saves duplicated work, because files you name in November and supplement in January have to be touched twice. Anyone naming as they go shortens both dates considerably and faces nothing more than a visual check in January. For the December date, one afternoon is usually enough.
Completeness before tidiness
Before renaming, walk through the document types that experience shows go missing: annual statements from insurers and energy suppliers, December bank statements, credit card statements, leasing paperwork, documents for fixed asset additions, last quarter's expenses, and statements from online portals that are often only available twelve months back. Only once those gaps are closed is the renaming pass worth running. A neatly named but incomplete year folder produces more follow-up questions than an untidy one that at least holds everything, and it merely postpones the real search. So walk the list once without any tool and tick off what you already have.
Work in quarterly batches
A year folder holding eight hundred PDFs is hard to review in one sitting, because attention for a suggestion list does not stretch across eight hundred rows. Split the stock into quarters and work one batch per session: pick the folder, let it analyse, walk the list, confirm. The conspicuous cases are till receipts without a text layer, for which OCR can be switched on, and bulk scans holding several documents in one file, which have to be split beforehand. The renaming history in the app shows which batch has already run when you pick the work up a week later.
The handover to your accountant
How you hand over depends on the firm: an upload into DATEV Unternehmen online, a client portal, a data room, or an encrypted archive. What every route shares is that the filename becomes the common language, because it shows up in the file list and in every query. So a pattern with the document date first, then business partner, document type and document number makes sense. Ask in advance whether the firm has its own specification; many do, and following it costs nothing but saves both sides coordination and later corrections.
What the tool does not do, and how it handles documents
Filery renames and nothing else. It does not sort documents into quarterly or account folders, builds no document list, reconciles nothing against bank statements, and does not check whether anything is missing; completeness stays your job. On data handling: the PDF is read on your computer and its content transmitted encrypted for AI analysis. The recognised details come back, the new name is built from them, and the renaming then happens again in your file system. The documents are not stored permanently. For your own keys there is the Custom plan at five euros a month.
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