Less paperwork. More perspective.

From paper to possibility.

Turn invoices and bank statements into structured data. Review it, then send it straight to your books.

Provided by Lean Ledger Ltd. Folio is currently used internally by Lean Ledger.

An invoice transforms into a stream of data cells that assemble into a structured table
Unstructured in.Bookkeeping ready out.

A little structure. A lot less busywork.

Every document has a story. Folio finds the details that matter, while you stay in control.

INVOICESample document

Northline Studio

Invoice NS-1042 · 14 October 2026

DescriptionAmount
Design services£1,200.00
VAT (20%)£240.00
Total£1,440.00
PDF Original document preserved
Ready for reviewSample data
Extracted sample invoice fields
FieldExtracted value
SupplierNorthline Studio
DescriptionDesign services
Net amount£1,200.00
VAT£240.00
Total£1,440.00
Select a highlighted field to follow the data.
  1. 01

    Drop it in.

    Upload your PDFs. Invoices, credit notes and bank statements all have a place.

  2. 02

    Make it make sense.

    Review extracted details alongside the original document. Check, correct and approve.

  3. 03

    Keep things moving.

    Post invoices to QuickBooks Online or export structured data for the next step.

Your documents. All accounted for.

Invoices and credit notes

Costs and sales, with the original PDF attached when posted to QuickBooks Online.

Bank statements

Turn statement PDFs into CSV and Excel files you can actually work with.

Multiple companies

A dedicated workspace for every company, including clients who need CSV exports.

Make room for the work that matters

Paperwork, meet progress.

Sign in to Folio

Sign in with your Lean Ledger account. Two-factor authentication applies.