AI-Native pre-accounting

Pre-accounting that removes the work, not the insight.

Cortena automates the messy, manual, error-prone parts of bookkeeping — so finance teams
finally get clean, reliable numbers without spending their days fixing them.

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Triptych of landscape photos showing foggy mountains by water, rolling green hills with agricultural patterns, and an aerial view of winding blue river channels.

Accounting dashboard showing invoice reconciliation status, latest invoices list, and projected cashflow graph for user Mark.

The Problem

Pre-accounting is still overwhelmingly manual, and it shows.

Manual pre-accounting slows everything down and keeps finance teams stuck in admin. Even worst, cash planning are built on or messy and outdated data.

Collage showing a laptop with spreadsheets, a person writing on orange receipts, and a financial cash flow chart.

Documents scattered across inboxes and apps

Repetitive categorisation and data entry

Month-end delays because nothing is clean at the source

Tools charge a premium yet still leave most of the work to you

Status update indicating Datev connected, 320 accounts detected, 2,486 past invoices analysed, and reading instructions in progress with corresponding elapsed times.

Black text reading 'cortena' on a white rounded rectangle background.

Agentic Accounting preparation. You just tell Cortena how invoices should be handled and link your guidelines: vendor rules, G/L accounts, cost centres, VAT. No setup screens. No configurations. Just instructions.

Receipt from Ivar's Acres of Clams in Seattle dated 05/24/2019 showing food and drink items with a total balance due of $176.98.

Green checkmark followed by the word Tax and an amount of 16.23 euros.

Green checkmark icon followed by the word Total in green and the amount 176.98 euros below it.

Green checkmark icon followed by the word 'Vendor' in green and 'Pier 54' in black text below.

Receipt from Star Store showing purchase of 1 Kirkland Signature Nut Bars with total price of $15.00 and payment by UnionPay card ending 5186.

Automatic document & transaction capture. Invoices, receipts, and card transactions are pulled in automatically, structured, standardised, and enriched from the start.

Dashboard showing 21 invoices reconciled and one invoice to review from Google Cloud for €1,890.00 with options to confirm or assign.

Smart categorisation, coding & learning. Cortena recognises vendors, cost types, cost centres, VAT rules, and learns your patterns. You approve, it improves.

Invoice header showing invoice number NV-2024-001, client Acme Corp Inc., service IT Services, VAT €892.50, and total amount €4,250.00 with green check marks below each section.

Line-item extraction. Details matter. Cortena captures every line: fees, quantities, SKUs, taxes; giving you clarity and precision from the source.

Graphic showing a two-way synchronization between Cortena and DATEV software logos connected by arrows.

Sync with your accounting tool. Cortena connects with DATEV (and more integrations coming). Clean, structured data flows straight into your accounting system.

Dashboard showing latest activity with matched today 48 (€142.5k), flagged issues 3 (€12.8k risk), missing docs 5 (requests sent), at risk cash €3.2k pending review. List includes Acme Corp Inc. flagged issue €4,250, Google Cloud matched €1,890, Uber Business missing doc €42.50 with respective timestamps.

Real-time reconciliation & audit check. Transactions are matched instantly, inconsistencies flagged, and missing documents highlighted. Cortena also checks each invoice against your contracts, catching overbilling, incorrect pricing, or missing terms before they hit your cash.

Clean data, fast → instant cash visibility. Your books stay accurate. Your forecasts stop being guesswork. Your cash visibility becomes real-time.