OCR in finance and accounting: what it means, how it works and where it's used

OCR in finance means software that turns financial documents into data. Invoices, bank statements, tax forms and checks are common examples. The data goes to accounting, AP or lending systems. OCR is short for optical character recognition, in banking too. It reads the printed or handwritten characters on a scan, photo or PDF. AI extraction then finds the fields and tables that matter.

Below, we list the documents finance teams read with OCR. We then follow one bank statement from upload to ledger and cover what to test before you buy.

What OCR in finance covers#

Each of these documents carries numbers that someone would otherwise type into a system by hand.

• Invoices

  Vendor, invoice number, dates and line items, plus tax and totals, captured for invoice processing.

• Bank statements

  Every transaction and balance, with tables that run across pages joined into one. See bank statement extraction.

• Tax forms

  W-2s, 1099s, 1040s and K-1s, read box by box and line by line. See IRS tax form extraction.

• Financial statements

  Balance sheets, income statements and cash flow statements, read line by line for financial spreading.

• Checks

  Payee, amount and date, plus the check number, from check images and remittance slips. See check processing.

How OCR works on financial documents#

OCR on its own only reads characters. A finance team needs the total in the total field and each statement line in the right column. So modern tools add extraction and checks on top of the text.

Follow one 12-page bank statement that a borrower sends as a scan. The statement can arrive by email, upload, scanner or API. The tool first identifies what kind of document it is. This one is a statement, not an invoice, a W-2 or a check. OCR then turns each page image into characters, printed or handwritten, and records where every word sits on the page.

Extraction comes next. It picks out named fields, such as the account holder and the ending balance, and rebuilds the transaction table row by row. The table runs across all 12 pages, so the tool joins the pieces into one.

Validation is the last pass. The tool recalculates the running balance and checks that the required fields are present. A value it isn't sure about goes to a person, with its source line beside it. A smudged digit in a deposit amount is one example. All the other values move on to the loan system. An invoice takes the same path, with the invoice number and totals as its fields.

Plain OCR vs AI extraction for financial documents#

Financial documents come in three shapes, and plain OCR copes with each one differently.

Our guide to IDP vs OCR covers the difference in more detail.

Use cases of OCR in finance and accounting#

Finance and accounting teams use OCR wherever someone still retypes numbers from a document into a system. For uses specific to banks, see OCR in banking.

• Accounts payable

  Invoices are read as they arrive, flagged if they duplicate one already received, and routed for approval, so clerks handle exceptions instead of typing. See AP automation.

• Lending

  Bank statements, pay stubs and tax returns are read for income and cash flow review, so underwriters start from data instead of PDFs. See IDP for lending.

• Tax season

  Client packets are sorted by form. Every box on W-2s, 1099s and K-1s is extracted for the preparer to review instead of retype.

• Account opening

  Before opening an account, a US bank must collect at least a name, address and ID number, plus a date of birth for individuals. The bank must then verify the customer's identity, for example with a driver's license, passport or company documents. OCR reads those documents, so staff check the data instead of typing it.

• Bookkeeping

  Receipts, bills and bank statements that arrive as photos or PDFs become dated rows with a vendor and amount. If your bank lets you download transactions as OFX or CSV files, import those and use OCR only for PDFs and paper.

Benefits of OCR for financial documents#

The benefit is less retyping and fewer keying errors, but only when extraction and checks come with the OCR.

Docsumo's results look like this.

• 99%99%field-level accuracy across 250+ document types
• 95%+95%+of documents processed straight through, without manual review
• 65%+65%+lower cost at Valtatech

Choosing OCR software for finance and accounting: what to test#

Accuracy falls on poor scans and handwriting, and on complex tables, whatever the engine. Test these on your own documents, not the vendor's samples.

• Poor scans and phone photosSkewed or faxed pages and low-resolution scans are where accuracy drops. Put your worst files in the trial.
• Tables across pagesA 12-page bank statement or a long invoice should come out as one table, with the headers mapped.
• HandwritingHandwritten amounts and notes should be read, and any value the model isn't sure about sent to a person rather than guessed.
• ValidationLine items should add up to the total, and required fields should be present, before data moves on.
• Review and audit trailReviewers should see each value next to its source on the page, and every change should be logged.
• SecurityAsk for a SOC 2 Type 2 report and ISO/IEC 27001 certification. Also ask where your data is stored and whether your documents train shared models.

What we'd do. Set the software up around how your team already works, not around the tool's defaults. Write down the document types you receive, the checks someone runs by hand today and the stage where a person signs off. Then ask each vendor to show its tool working in that same order. If a tool makes you change your process first, it's the wrong fit.

How to start using OCR in finance#

Start with one document type and one queue, such as AP invoices or the bank statements in loan files. Run a sample of your real documents through a trial. Docsumo's free trial covers up to 1,000 pages over 14 days. Measure how many go straight through without a person touching them, then add the checks your team runs by hand today.

Docsumo's OCR software reads printed and handwritten text. Language models then pick out the fields in what the OCR reads. That lets Docsumo handle any document type, not only the types it has pre-built models for. It joins tables that run across pages and sorts mixed tax packets by form. It sends low-confidence fields to your own reviewers, whose corrections improve the model. For AP, it flags duplicate invoices and routes invoices for approval; on the Enterprise plan, it also matches invoices to purchase orders and receipts. Data goes out through an API and webhooks. It runs in the cloud only, it isn't a desktop tool for editing PDFs or making searchable files, and it doesn't pay vendors.

Which financial documents to put through OCR first#

OCR in finance is optical character recognition applied to the documents money moves on, including invoices, statements, tax forms and checks. Reading the characters is the easy part. The value comes from extracting the right fields and checking them. Only the doubtful ones should reach a person, so test any tool on your hardest documents first.

Book a demo with a few of your own financial documents, or start a free trial.

Frequently asked questions#