GREECE Trends and Developments Contributed by: Maria Zoupa, Daphne Cozonis, Ioanna Tapeinou and Diana Tsourapa, Zepos & Yannopoulos
Zepos & Yannopoulos 280 Kifissias Avenue 152 32 Halandri
Athens Greece
Tel: +30 210 6967 000 Email: info@zeya.com Web: zeya.com
Greece continues to evolve as a destination for inter - national business activity, and with this evolution comes an increase in the level of sophistication of the tax landscape. This article provides an overview of certain tax developments of notable significance in relation to doing business in Greece. Decisive Steps Towards Digital Tax Administration Adding on to the existing sophisticated digital report - ing system (myDATA reporting), Greece has taken a decisive step towards digital tax administration, intro - ducing a mandatory e-invoicing regime that brings business-to-business and public sector billing into a single, electronic invoice framework. Building on recent EU developments, the new rules will be phased in during 2026, starting on 2 March or 1 October 2026 according to business size, with clear pathways and specific requirements for how electronic invoices must be issued and received. The reform is intended to streamline compliance, reduce fraud and acceler - ate payment cycles, while creating a common stand - ard for data shared with the tax authority and also between counterparties. The scope is broad. Businesses established in Greece will need to issue e-invoices for domestic B2B sup - plies of goods and services, for B2B cross-border transactions with non-EU counterparties, and for B2G transactions tied to public procurement and other general government expenditure, the latter already gradually in effect since 2023 under a special frame - work compatible with prior EU regulations. Crucially, acceptance by domestic recipients also became man - datory from 2 March 2026, meaning both sides of a
transaction must be ready to send and receive in the prescribed format. At implementation level, companies will be able to choose between certified e-invoicing service provid - ers or the tax authority’s free tools, including the web- based “timologio” and the mobile “myDATAapp”. A new “timologio B2G” function supports the additional data fields required for public procurement invoices. To activate e-invoicing, businesses must file a short declaration signalling their go-live date and selected method – this applies whether moving early or follow - ing the mandated timetable. Policymakers are pairing the mandate with incen - tives to encourage early adoption. Expenses for initial equipment and software can be depreciated in full by an additional 100% in the year incurred, with a further 100% super-deduction in costs for the generation, transmission and electronic archiving of e-invoices during the first twelve months of use. To qualify, busi - nesses had to switch on at least two months before their respective obligation date – by 1 December 2025 for large enterprises and by 3 August 2026 for oth - ers – and submit the commencement declaration. For finance and tax teams across Greece, 2026 will be a pivotal year to operationalise digital invoicing and embed it into everyday processes in parallel with their existing digital reporting set-up. Tax Audits in Transition In accordance with the information provided in its strategic plan for 2025-2029, the Greek Independent Authority for Public Revenue is currently replacing all of its core information systems and is acquiring
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