The article analyzes over 200 e-invoicing vendors across 120+ countries, revealing a highly fragmented market where most vendors specialize in a single country or compliance model. It highlights that 15+ countries have e-invoicing deadlines in 2026 and identifies five distinct compliance models worldwide, underscoring the need for multinational buyers to evaluate vendors by model coverage rather than country count.

Spain’s Council of Ministers approved Royal Decree 238/2026 mandating structured B2B e-invoicing and 4‑day real‑time reporting. The phased rollout will start on 1 Oct 2027 for large firms (€8 m+ turnover) and extend to all taxpayers by 1 Oct 2028, with payment status reporting added in 2029. The regime requires EN 16931‑UBL invoices, a faithful copy to the public system, and a free public platform built by the Agencia Estatal de Administración Tributaria.