How do I integrate with Portugal accounting software?

Apideck's Unified Accounting API lets you integrate with 7+ Portugal accounting platforms through a single API. Sign up, enable the connectors you need, and use one standardized data model to read and write invoices, payments, contacts, and more.

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🇵🇹Accounting Coverage Also in Português

Portugal accounting integrations

Q: What accounting software is popular in Portugal?

The most popular accounting platforms in Portugal include Sage Business Cloud Accounting, Odoo, Xero, QuickBooks, Zoho Books. Portugal is an emerging European tech hub, especially Lisbon. The market uses a mix of local and international SaaS platforms. Sage has traditional strength in accounting.

Portugal is an emerging European tech hub, especially Lisbon. The market uses a mix of local and international SaaS platforms. Sage has traditional strength in accounting.

7 supported accounting platforms + 9 on the radar

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Portugal accounting software market

Where the major platforms sit and which Apideck supports today. Figures are company-reported unless marked as an estimate.

1.5 million

non-financial enterprises in Portugal in 2023, of which 99.9% were SMEs employing 77.9% of the workforce

INE (Statistics Portugal), International Day of Micro, Small and Medium Enterprises release, June 27 2025

Platform	Portugal market position	Apideck	Source
Primavera (Cegid)	Market leader with 40,000+ companies across 20+ countries; Cegid also acquired PHC Software in 2025, giving it 37,000+ companies and 170,000 users across Iberia	On the radar	Primavera BSS / Cegid
PHC Software	Long-established ERP/accounting reference for Portuguese SMEs and micro-companies, now part of Cegid	On the radar	PHC Software
ARTSOFT	15,000+ clients across various sectors	On the radar	ARTSOFT
Moloni, InvoiceXpress	Long-tail, locally built cloud invoicing tools for Portuguese micro-companies	On the radar	Vendor sites
International challengers (Sage Business Cloud Accounting, QuickBooks, Xero, Odoo, Zoho Books)	Long-tail cloud entrants relative to Portuguese incumbents	Supported	Apideck integration coverage

Subscriber and customer counts are the best available public indicators and may include accountant-managed multi-entity accounts; they are not a direct count of distinct businesses. Estimates are marked accordingly.

Portugal accounting compliance requirements

Portugal requires all invoices to be issued through tax-authority-certified software carrying a unique ATCUD code, with businesses submitting a monthly SAF-T (PT) billing file to the Autoridade Tributária by the fifth of the following month, while a broader SAF-T Accounting general-ledger submission has been deferred to fiscal year 2027.

Certified invoicing software (Software de faturação certificado)

Invoices and tax-relevant documents must be issued through software certified by the Autoridade Tributária, with fines of 1,500 to 18,750 euro for using uncertified software.

Autoridade Tributária e Aduaneira, Portal das Finanças

SAF-T (PT) monthly billing file

Businesses using certified invoicing software must submit a standardized SAF-T XML billing file to the tax authority by the fifth day of the month following the reporting period.

Autoridade Tributária e Aduaneira, Portal das Finanças

ATCUD (Código Único do Documento)

Every invoice and fiscally relevant document must display a unique document code (ATCUD) obtained in advance from the tax authority, mandatory since January 2023.

Autoridade Tributária e Aduaneira

SAF-T Accounting (general ledger submission)

A full general-ledger SAF-T submission covering the entire accounting record has been deferred to fiscal year 2027, with first filings due in 2028 under the 2026 State Budget.

Autoridade Tributária e Aduaneira