Guides to what's changing in Greek invoicing, eshops and Odoo.
Written by the team that sets these systems up, so you know what's changing and what to do about it, and updated when something changes. For owners, finance and IT teams who run a business in Greece and work in English.
WEBSITES & ESHOPS
The 30-day rule for sales in Greece: which previous price you show, and how to find it.
The 30-day rule for sales in Greece: which previous price you show, an example with dates, new products, progressive reductions, recommended retail price, eshop and shop.
Subsidies for websites, eshops and ERP in Greece: what closed, what's been announced and what applies now.
Which Greek and EU-funded programmes for websites, eshops, ERP and AI have closed, which have been announced but not launched, and how to check a “subsidised” offer.
Google Ads for eshops: how to track conversions correctly, so you see sales, not clicks.
How to track Google Ads conversions correctly on an eshop: the six most common mistakes, which value to send, the cookie banner and Consent Mode v2, enhanced conversions, phone sales and an 8-point checklist.
Server-side tracking: what it changes in your eshop's tracking, and when it's worth the effort.
What server-side tracking is, what an eshop gains, what it doesn't do (it doesn't remove consent), how it compares with the Google tag gateway, what it costs to run and when it's worth it.
What an eshop costs, and what drives the price up.
What drives the cost of an eshop in Greece: your products and their data, links to your business software and the marketplaces, design, copy, running costs, and 8 questions for comparing quotes.
The withdrawal button in WooCommerce: what the law asks for, and how to set it up.
What art. 3za of law 2251/1994 asks for the withdrawal button and how to set it up in WooCommerce: placement, form, “confirm withdrawal”, email, refund and a checklist.
WooCommerce or Shopify: which suits whom, for an eshop in Greece.
WooCommerce or Shopify for a business in Greece: how each one charges, Greek language and payments, invoices and myDATA, XML for the marketplaces, the link to Odoo, and which suits whom.
ODOO & ERP
Greek e-invoicing providers: what they are, how they charge and how to choose.
What a Greek e-invoicing provider is, what it does under decision A.1112/2025, how it charges, how to choose with a 7-point list, what you declare on myAADE and how to switch provider.
Greek digital delivery notes, Phase B: what changes from 1 January 2027 and what to do now.
What changes in Greek digital delivery notes with Phase B1 from 1 January 2027 and Phase B2 from 1 January 2028: loading, transhipment, receipt with a quantity check, item codes, extensions and a 7-point checklist.
The Digital Customer Register for garages, step by step: from the car coming in to the receipt.
What the Digital Customer Register is, who keeps it and who is exempt, the four steps of an entry, what to do without internet, penalties, other sectors and a 7-point checklist for the garage.
Greek e-invoicing from 1 February 2027: what changes and what to do now.
What changes in Greek e-invoicing on 1 February 2027, who it affects, whether an extension is coming, AADE's timologio or a provider, the penalties and a 7-point checklist, with AADE's decisions.
Keep your ERP now, and move to Odoo later, step by step.
For Greek e-invoicing from 1 February 2027 you keep the software you use today and connect it to a licensed provider. Then you move to Odoo step by step: eshop and stock first, invoicing last.
Odoo Community or Enterprise: which edition a company in Greece needs.
Odoo Community or Enterprise: what each edition includes, how Odoo charges, Odoo Online, Odoo.sh or your own server, and what a company in Greece needs for accounting, myDATA and payroll.
Setting up Odoo for a company in Greece: the first settings, in the order they're done.
The first Odoo settings for a company in Greece, in order: company details, chart of accounts and VAT, myDATA document types and numbering, warehouses, users, the e-invoicing provider and tests.
Odoo and myDATA: setting it up properly, from the document type to the MARK number.
How Odoo is set up for myDATA, the Greek tax authority's platform: document types, income classification, series and branches, credit notes, supplier invoices and the licensed provider needed from 1 February 2027.
What an ERP is, and when a small business in Greece needs one.
What an ERP is, in plain words: what it does, the signs that Excel isn't enough any more, what it takes in time and effort, and how it connects to the eshop and the Greek e-invoicing provider.
Obligations calendar: what changes for businesses in Greece from 2025 to 2028.
The 2025–2028 dates for Greek e-invoicing, digital delivery notes, the Digital Customer Register, eshop accessibility and the withdrawal button, with the decisions and laws, on one page we keep up to date.
CONNECTIONS
Skroutz feed 2026: what your XML needs so your products get classified correctly.
What Skroutz, Greece's largest price-comparison site and marketplace, asks of your XML feed in 2026: the 13 required fields, EAN and MPN, titles, categories, availability, photos, sizes and this year's new fields.
Importing products from supplier XML: the five pitfalls and how to avoid them.
The five pitfalls of importing products from your suppliers' XML feeds: duplicate products, prices and stock that lag, categories, photos and descriptions, an XML that stops, and who has the last word.
Connecting an eshop to an ERP: which system has the last word?
Connecting an eshop to an ERP: which system has the last word on prices, stock, orders, customers and descriptions, what happens when they disagree, and what to get in writing before the connection is built.
AI & AUTOMATION
Chatbots on your site: what they must tell visitors from August 2026.
What Article 50 of the EU AI Act asks of a chatbot on your site from 2 August 2026: when and how it says it's AI, who is responsible, what applies to personal data, and an 8-point checklist.
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