Yes, where the trial balance carries CIS accounts. AllDone reconciles CIS suffered and CIS deducted from the general ledger, ties the year's figures to the CIS returns and deduction statements you upload, tests the deduction rate per party, and brings CIS into the combined position agreed to HMRC's statement. If there are no CIS accounts it reports that CIS does not apply rather than asking for documents.

Both slots take a PDF, a spreadsheet or a photograph. Neither holds the job up: if a document cannot be read it goes to the confirm card and you confirm its total.

The ledger is the source of truth and the documents are the evidence. AllDone buckets the movements by tax month, compares the uploaded statements and returns to the ledger figure for the year, and where a month has ledger activity but no document it reports that as a coverage gap and names the months. A shortfall the coverage does not explain stays a genuine difference; it is never plugged.

The deduction rate is checked per party against the labour element of the payment, allowing for the standard rate, the higher rate where a subcontractor is unverified, and nil where gross payment status applies. Materials are correctly excluded. A party whose name cannot be read from the ledger description is skipped rather than guessed at.

A CIS suffered balance brought forward from last year is flagged so you can confirm it is genuinely still recoverable.

Where the rate looks wrong, one card per party asks whether gross payment status was verified, whether the rate is correct as posted, or whether it should be investigated and corrected. Investigating is the recommendation. Nothing is posted from your answer; the entry is recorded.

It does not file a CIS return, and it cannot verify a subcontractor with HMRC. Gross payment status is something you confirm on the card.