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Standard solution LSG-01

Digital Document Intake

Mail, e-mail, scans and faxes land on your desk every day. A digital intake workflow sorts, captures and archives them — before anyone has to touch them.

Sound familiar?

  • Receipts and contracts arrive by e-mail, mail, scan and fax — and get sorted by hand.
  • PDF forms are printed, filled in, scanned back, typed off.
  • Searching costs minutes, filing costs nerves, and every now and then a document is missing.

How digital document intake works

  1. Bundle the intake

    E-mail inbox, scanner and your existing fax number (fax-to-digital) converge into one intake lane. Your numbers and routines stay.

  2. Read automatically

    Text recognition plus AI extracts sender, date, amounts, document type — operated on dedicated infrastructure in Germany/EU, GDPR-compliant.

  3. File sorted

    Every document lands in the right folder or archive, full-text searchable; anything unclear goes to a review list instead of getting lost.

  4. Process further

    On request: handover to DATEV (tax firms), assignment by property (real estate) or from incoming inquiry to work order (trades).

How it is built

INTAKE PIPELINE E-MAIL IMAP INBOX SCANNER SCAN FOLDER FAX FAX-TO-DIGITAL WEB FORM INSTEAD OF PDF n8n · PAPERLESS — SELF-HOSTED OCR TEXT RECOGNITION RULE PARSER DATE · IBAN · AMOUNT AI EXTRACTION TYPE · FIELDS · JSON GDPR-COMPLIANT · DE/EU ARCHIVE FULL-TEXT SEARCH REVIEW LIST WHEN UNSURE HANDOVER DATEV · PROPERTY · ORDER ALL CHANNELS → ONE ARCHIVE
Fig. 1 — Architecture, schematic

An n8n workflow orchestrates the whole lane: every intake channel feeds a Paperless-ngx archive with German text recognition. A rule parser reads unambiguous fields such as dates, amounts and IBAN exactly; an AI model classifies the document and extracts the remaining fields in validated, structured form. Only when both paths agree is the document filed automatically — everything else goes to the review list.

  • One stack per client: n8n, Paperless-ngx, PostgreSQL — self-hosted in Germany/EU, no shared system.
  • AI is swappable: EU cloud API or a local model with no cloud at all — e.g. for tax firms bound by professional secrecy (§ 203 StGB).
  • No document gets lost: every intake item is traceable into the archive or the review list.
  • Daily or weekly digest: processed documents, review list, anomalies.

Tailored to your sector

Tax firms

Receipts assigned per client, export prepared DATEV-compatible; duplicates detected, missing receipts per month as a checklist. On request entirely without cloud AI.

Property management

Every document automatically assigned to property and unit; service-charge-relevant receipts tagged per accounting year, correspondence bundled per property.

Trade businesses

Inquiries by e-mail or form become a draft work order with customer, address and trade; supplier invoices are matched to the right job.

  • Self-hosted: your documents stay on your infrastructure.
  • No change for customers & clients — all existing channels stay open.
  • Established open-source technology (n8n, Paperless-ngx) — no vendor lock-in.

The first step: a pilot in 2 weeks

One document stream — e.g. incoming invoices — is automated end to end, at a fixed price. You see on your own documents what the automation delivers before you decide on more.

Acceptance, measured on at least 100 real documents:

  • ≥ 95 % of documents correctly classified (type and sender)
  • ≥ 90 % filed fully automatically — the review list stays the exception
  • 0 lost documents: every intake item traceable
  • Every document findable via full-text search within 5 minutes of arrival
Typical effect 30–60 minutes

of sorting and filing work per employee per day eliminated.

Get in touch without obligation — two sentences about your document intake are enough.

Non-binding information. Implementation is individual, based on an assessment of your setup.

Inquiry

Request a project

Briefly describe your process — I usually reply within one business day.

Encrypted transfer to our own infrastructure — never shared with third parties.