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  • Electronic Invoicing for SMEs
  • Electronic Invoicing for SMEs

    13 July 2025 by
    Electronic Invoicing for SMEs
    info.crazythink@gmail.com

    Digitalisation is advancing rapidly in the Spanish business landscape, and electronic invoicing has become a fundamental pillar for SMEs. But what is electronic invoicing, when will it be mandatory, and how does it differ from other digital formats? Here is a practical and updated guide, with special attention to how a solution based on Odoo, implemented by CrazyThink, allows you to comply with current regulations.

    What is electronic invoicing?

    Electronic invoicing is a digital document that supports commercial transactions between companies, freelancers, and clients, and meets all the legal requirements set by Spanish regulations. It is issued in a structured format (usually XML or Facturae) and must guarantee the authenticity, integrity, and traceability of the information, facilitating automation and tax control.

    When will it be mandatory for SMEs?

    The obligation for electronic invoicing for SMEs and freelancers in Spain is being implemented progressively according to the “Crea y Crece” Law:

    • Companies with annual turnover exceeding 8 million euros: they must issue electronic invoices within 12 months of the regulation's publication in the BOE.
    • SMEs and freelancers with turnover equal to or less than 8 million euros: they will have 24 months from that publication to adapt.
    • Current deadlines: It is expected that by the end of 2026, all companies and freelancers will be required to issue electronic invoices, regardless of their size or turnover.

    Difference between digital invoice and electronic invoice

    Although they are often confused, there are key differences:

    FeatureDigital Invoice (PDF, Word)Electronic Invoice (XML, Facturae)
    FormatUnstructuredStructured and regulatory
    Legal/fiscal validityLimited or noneFull, complies with tax regulations
    Digital signatureOptionalMandatory or integrated into the format
    TraceabilityDoes not guaranteeYes, change log and authenticity
    AutomationLowHigh, integration with accounting systems
    Regulatory complianceVariableGuaranteed

    A digital invoice is simply an electronic copy of a paper invoice (for example, a PDF sent by email), which does not meet the requirements of integrity, authenticity, and traceability required by the Create and Grow Law. In contrast, the electronic invoice is issued in a structured format, allows for automatic validation, and is designed to comply with regulations, being valid for all legal and fiscal purposes.

    Is an electronic invoice the same as a digitally signed PDF?

    No. A digitally signed PDF provides guarantees of authenticity and integrity, but does not necessarily comply with the structured format, traceability, and technical requirements mandated by electronic invoicing regulations. The law requires that the electronic invoice be generated and transmitted in structured formats (such as Facturae, XML, UBL), not just in PDF, even if it has a digital signature.

    Advantages of electronic invoicing for SMEs

    • Reduction of costs and administrative errors.
    • Acceleration of collections and payments.
    • Greater control and traceability of operations.
    • Regulatory compliance and reduction of tax risks.
    • Facilitates integration with management and accounting systems.

    How to comply with regulations using a CrazyThink solution on Odoo?

    The Odoo platform, implemented by CrazyThink, allows SMEs to comply with Spanish electronic invoicing regulations easily and efficiently:

    • Automatic generation of electronic invoices in structured formats (such as Facturae, XML, UBL), meeting legal requirements.
    • Integrated digital signature to ensure the authenticity and integrity of invoices.
    • Electronic sending and receiving of invoices, both with private clients and with public administration.
    • Traceability and secure custody of all issued and received invoices, with quick access for inspections or audits.
    • Automatic updates to adapt to regulatory changes and new requirements from the Tax Agency.
    • Total integration with Odoo's accounting and financial management, facilitating automation and control of the entire invoicing cycle.

    CrazyThink takes care of implementation, configuration, and support, ensuring that your SME is always up to date and compliant with the law, without technical or legal complications.

    Conclusion

    Electronic invoicing is no longer just a technological option, but a legal obligation and an opportunity to improve the efficiency and competitiveness of your SME. Opting for a professional solution like the one offered by CrazyThink on Odoo is the best guarantee of regulatory compliance, automation, and peace of mind for your business in the new digital era.

    Ready to make the leap to electronic invoicing? Contact CrazyThink and secure the digital future of your SME.


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