Cumulative certification: what it is and how to invoice it (2026)
Learn what cumulative certification (certificación a origen) is in construction, how it is calculated against the previous period, and how to invoice it correctly.
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Learn what cumulative certification (certificación a origen) is in construction, how it is calculated against the previous period, and how to invoice it correctly.
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Learn when the VAT reverse charge applies to construction progress certifications, how to invoice it correctly, and how to avoid penalties from the Spanish tax authority.
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Updated Verifactu guide for construction companies. Learn to comply with the Anti-Fraud Law and RD 1007/2023 automatically with Trowel.
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The Spanish Treasury delays mandatory Verifactu compliance by one year. Find out the new dates and how it affects SMEs and freelancers. Trowel helps...
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Discover how the Trowel and Holded integration helps you streamline your processes and improve financial efficiency.
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Construction management software | Trowelapp. Discover how to handle your company's invoicing efficiently and how to improve it.
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