VATparity

Is your store charging every kind of buyer the right VAT — and can you prove it?

VATparity asks Shopify’s own tax engine what it would charge each kind of buyer, in each country you sell to, for each kind of product — then compares every answer against a versioned EU/UK rate table and shows you the evidence.

Get it on the Shopify App Store Coming to the Shopify App Store

The shape of the evidence — each row is one calculation Shopify’s tax engine was asked to price
Scenario	Buyer	Product	Expected	Charged	✓
within IE	guest consumer	standard rate	23%	23%	✓
IE → DE	guest consumer	standard rate	19%	19%	✓
IE → DE	B2B, reverse-charge exempt	standard rate	0%	0%	✓
IE → DE	guest consumer	reduced rate (books)	7%	7%	✓
within IE	B2B, no exemption on file	standard rate	23%	23%	✓

Every check is a calculation only — nothing is ever ordered, paid for, or changed.

§ 1 · How a scan works

Real calculations, not a settings checklist.

The scan prices real scenarios

Each scenario is priced by Shopify’s own tax engine via draft-order calculations — nothing is ever ordered, paid for, or changed. Guest buyers, business buyers with and without reverse-charge exemptions, and Shopify B2B company accounts are all covered.
Results become findings that say what kind of claim they make

Observed configuration · reproducible calculation discrepancy · suspected compliance issue · accountant review required. A calculation discrepancy is never reported from a single reading — it must still be there on a re-check an hour or more later.
You get the report your accountant actually wants

Dated, versioned, with the full evidence table attached — exportable as CSV and printable to PDF.

§ 2 · What we will and will not claim

The evidence earns every sentence on this page.

The engine’s readings were verified against real checkout runs — amounts and tax lines — for guest checkout, B2B company checkout, reduced-rate goods, and tax-inclusive pricing, on Shopify Tax and on manual-rates stores.

Never touched: No theme edits, no checkout changes, no price changes. VATparity leaves your store the way it found it.
Never hidden: The app’s own test data — four clearly-named records — is documented on the Setup screen, removable there with one click, and removed at uninstall.
Never rushed: One surprising reading is an observation, not a finding. It becomes a finding only when a re-check an hour or more later still shows it.
Never advice: These are software test results, not tax advice — the report says so on every page, and so does the footer of this one.

§ 3 · Monitoring

Shopify’s tax engine changes under stores.

The paid plan re-scans weekly and alerts you when a result changes — so the day a calculation shifts under your store, you find out from a re-scan instead of a filing.

§ 4 · Pricing

One plan, no tiers.

Freeevery store

Run scans whenever you like
Per-scan summary, counts by severity
One finding in full, with its evidence

$19per 30 days

The full report — every finding, with evidence
CSV export, print / save as PDF
Weekly automatic re-scan
An alert when a result changes

Everything VATparity can do is in one flat plan.

Is your store charging every kind of buyer the right VAT — and can you prove it?

Real calculations, not a settings checklist.

The scan prices real scenarios

Results become findings that say what kind of claim they make

You get the report your accountant actually wants

The evidence earns every sentence on this page.

Shopify’s tax engine changes under stores.

One plan, no tiers.