BookProofSign in

Know your BAS is right
before you lodge.

BookProof audits your GST coding, reconciles your figures against the activity statement, and checks every supplier ABN. Built for Australian bookkeepers who care about getting it right.

How it works

Connect your MYOB file. BookProof reads your chart of accounts, tax codes, and transaction data. Nothing is modified — we only read.

Select a BAS period. Choose the quarter you are preparing. BookProof maps your GST accounts and identifies which tax codes flow to each BAS label.

Review the audit. Every transaction is checked for coding errors, missing ABNs, and reconciliation mismatches. Issues are flagged with clear explanations and suggested fixes.

Lodge with confidence. When the numbers match and the checks pass, you know the BAS is right. No second-guessing.