Running live · Watson & Watt · 200+ client groups

Compliance work.
Done. In minutes.

No spreadsheets. No pulling PDFs.
No one preparing it.

2–4 hoursminutes.

WatsonOS connects to Xero and completes your BAS end-to-end — reconciliation, ABR sample testing, QA, workpapers, audit trail. What used to require a person now runs automatically.

90%faster compliance cycles
100%Australian data residency

You review. Not prepare.

BAS Engine · Running
Ledger synced from Xero
GST reconciliation completed
ABR sample testing run
Payroll matched to ledger
Unfiled transactions identified
18 QA checks run automatically
Workpapers generated
Audit trail created
Running…
Sounds too good to be true?·Good. Run your own BAS through it. →

Compliance doesn't require
preparation anymore.

The old model
1
Someone prepares the BAS

Pull reports from Xero. Open Excel. Build the workpaper. Reconcile manually. Chase anything missing.

2
Someone reviews it

Fix errors. Cross-check figures. Rebuild sections that don't reconcile. Start again.

3
Repeat next quarter

The same workpapers. The same process. The same hours. Every time.

That model made sense when the work had to be done manually. It doesn't anymore.
With WatsonOS
1
WatsonOS prepares everything

Syncs from Xero. Reconciles GST. Runs ABR sample testing. Checks QA. Builds workpapers. Generates the audit trail.

2
You review once

Everything is already done. You're reviewing, not preparing. Minutes, not hours.

3
Done

Lodge. Every period. No rebuild. No manual reconciliation. No bottleneck before lodgement.

WatsonOS doesn't help you prepare compliance.
It removes the need to prepare it at all.

WatsonOS changes how
your firm operates.

You don't hire just to keep up with compliance.

Your capacity isn't limited by staff.

The work is completed.
No one prepares it.
You review. Then you're done.

This isn't a tool.
It's not a better workpaper.
It is the work. Done.

Run BAS. Review. Done.

That's it. Everything in between happens automatically.

Before
XeroPull PDFsOpen ExcelManual recMore tabsFix errorsRedoLodge
After
XeroWatsonOS✓ Review

Watch a live walkthrough · 3 min

This isn't software.
It's the job, completed.

Every step between “open Xero” and “ready to lodge” — done automatically.

Every time you run it, WatsonOS completes:

Ledger synced from Xero
GST reconciliation completed
ABR sample testing run
Payroll matched to ledger
Unfiled transactions identified
18 QA checks run automatically
Workpapers generated
Audit trail created
From ledger → lodge-ready. In minutes.

You didn't start a firm to rebuild
workpapers every quarter.

Pulling PDFs from Xero
Completing Excel workpapers manually
Reconciling GST yourself
Chasing clients for documents
Cross-checking payroll against the ledger
Running the top-down reconciliation
Switching between five systems to finish one job

This isn't a productivity gain. It's elimination of the work.

No junior rebuilding workpapers.No bottlenecks before lodgement.No one preparing what the system already completed.

Every obligation. Handled.

01Live
BAS Engine
BAS prepared, reconciled, checked — before you even open it.

Transaction-level data pulled from Xero. GST reconciled. Top-down rec done. ABR sample testing run. QA checked. Workpapers built. You open it and review — not prepare.

02Live
IAS Engine
Instalments calculated. History included. Anomalies flagged.

Prior period lodgement history, YTD reconciliation, and variance detection built in. Issues flagged before they reach the ATO.

03July 2026
Super Sentinel
Super compliance monitored. Breaches caught before they cost you.

SGC obligations calculated per employee. Timeliness tracked against the Payday Super regime. Fund verification run against the ATO register.

If you need to defend it,
you can.

Every output is source-linked to the transactions it was calculated from. Not a PDF summary. Not AI inference. A deterministic calculation with a full audit trail.

Every number is traceable. Nothing is a black box.

Full audit trail
Every figure traced to its source transaction
Provenance certificate
SHA-256 hash of inputs — immutable and verifiable
18-point QA checklist
Run automatically on every job before it reaches you
ABR sample testing
Automatically sampled and tested against the ATO register
Australian data residency
All data stored and processed in Azure Australia East. Never leaves Australian jurisdiction.

Don't believe it? Good.

We're onboarding a small number of Xero-based firms. We'll show you your own client data — not a canned demo, not a slideshow.

No demo theatre. No sales script. Just your own data.