All features
18 · Sales and customers

Sales invoicing

Quote, proforma and invoice. With VeriFactu built in.

The invoice you issue
Invoice Chain Payment
Chain of issued invoices
a91f…4cV-2026/0182 7d02…beV-2026/0183 e5b8…19V-2026/0184

previous fingerprint · Alter one and the chain breaks

Chain intact

Each invoice chains the fingerprint of the previous one: altering one breaks the chain and it shows.

The sales cycle has three pieces: the quote, which the customer can sign; the proforma, with no tax value; and the final invoice.

Only the last one enters VeriFactu, with a chained fingerprint and numbering that admits no gaps. If a customer asks for an invoice for a POS receipt, it is issued from there without duplicating the entry.

What it does

Ready for an inspection
Chained fingerprint and immutable numbering, under the Spanish anti-fraud law
What they signed is what gets invoiced
A quote the customer signs, which then becomes the invoice
The customer who wants an invoice, sorted
A4 invoice from a POS receipt, without duplicating the entry
Works well with
17

POS software

Keeps selling when the line drops. Balances at closing.

See the feature
19

CRM

The customer, their history and what they owe you, on one card.

See the feature
20

Loyalty and trade benefits

Points, cashback and company agreements. No plastic.

See the feature
Previous POS software Next CRM

Which ones do you need?

You do not have to switch everything on. Tell us how you work and we will tell you where to start. ATAZEL is in testing: write to [email protected].

Write to us