# NUMBERO > NUMBERO is a simple invoicing and e-invoicing platform for small businesses, freelancers, and accountants. It supports PEPPOL BIS Billing 3.0 and EN 16931 (LVS EN 16931-1:2017) e-invoices in UBL 2.1 XML, with built-in VAT logic and validated inputs so invoices are correct the first time. Latvia-first, EU-wide. Web, iOS, and Android. Key facts: - Documents: invoices, credit invoices, advance invoices, offers, waybills - E-invoicing: PEPPOL BIS Billing 3.0, EN 16931 / LVS EN 16931-1:2017, UBL 2.1 XML export, PDF rendering via invoice reader - For accountants: uniform, structured, error-free data across all clients - Pricing (EUR, excl. VAT, monthly): Starter free (1 document/month), Mini 2.00, Pro 6.00, Unlimited 10.00, Unlimited Plus 20.00; yearly billing is 10% off - Company: SIA "NUMBERO APP", Reg. no. 40203279164, VAT no. LV40203279164, Riga, Latvia - GDPR compliant ## Pages - [Home](https://numbero.app/): product overview, features, pricing, FAQ - [E-Invoice Solution](https://numbero.app/einvoice): PEPPOL/EN 16931 e-invoicing, XML standards, e-invoice reader, FAQ - [For Accountants](https://numbero.app/accountants): how accountants manage many clients' documents, FAQ - [Salary Calculator](https://numbero.app/salary-calculator): free net/gross salary calculator for Latvia, FAQ - [Blog](https://numbero.app/blog): guides on invoicing, e-invoicing, VAT - [Contact](https://numbero.app/contact): contact form, email, phone, office address ## Contact - Website: https://numbero.app - App Store and Google Play apps available