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Dynamo. The business engine.

Local rules, wherever you trade.

DynamoOS works in any country, in your currency and with a chart of accounts made for it. A country pack adds that country's e-invoicing, tax returns and government services: the Saudi Arabia pack is available today, and the UAE pack is in preparation.

Packs, one country at a time

Everything marked available works today. A pack that is coming is listed without a promise about its contents until it ships.

Saudi Arabia

AvailableIncluded at no charge
  • ZATCA Phase 2 e-invoicing, tested against ZATCA's developer sandbox
  • VAT return (boxes 1 to 16) and a Zakat base estimate
  • Arabic and English tax invoices
  • GOSI contribution list for review and upload in GOSI Business
  • Iqama, passport and visa tracking with Hijri dates and expiry alerts
  • Licences and registrations with renewal reminders
Explore the Saudi Arabia pack

United Arab Emirates

In preparation

Being prepared for the UAE e-invoicing mandate, which starts on 1 January 2027 for businesses with revenue of AED 50 million or more and on 1 July 2027 for the rest.

Also on the list

Packs for Oman, Qatar, Kuwait and Bahrain are listed as coming soon. We will publish what each one does before it ships.

  • OmanComing soon
  • QatarComing soon
  • KuwaitComing soon
  • BahrainComing soon

E-invoicing dates by country

The dates that decide when companies must change the way they invoice. Checked on 10 October 2026 against the sources below. Rules change, so confirm with your tax adviser.

CountryWhat is requiredKey datesDynamoOS
Saudi ArabiaWhat is requiredIntegration of e-invoicing with ZATCA's FATOORA platform, in wavesKey datesWave 24 by 30 June 2026 (VAT revenue above SAR 375,000). Wave 25 by 1 February 2027 (above SAR 187,500 in any year from 2022 to 2025).DynamoOSPack available, tested against ZATCA's developer sandbox
United Arab EmiratesWhat is requiredNational e-invoicing through an accredited service provider, in the PINT AE formatKey datesRevenue of AED 50 million or more: appoint a provider by 30 October 2026, live from 1 January 2027. Below that: appoint by 31 March 2027, live from 1 July 2027.DynamoOSPack in preparation
OmanWhat is requiredFawtara e-invoicing on the Peppol modelKey datesAnnual supplies above OMR 5 million: 1 April 2027. Everyone else: 1 October 2027.DynamoOSComing soon
QatarWhat is requiredAn e-invoicing law, approved in draft by the Cabinet on 6 May 2026Key datesNo dates confirmed.DynamoOSComing soon
Bahrain and KuwaitWhat is requiredNo e-invoicing mandate announcedKey datesNone announced.DynamoOSComing soon
United KingdomWhat is requiredE-invoicing for all VAT invoices, business to business and to governmentKey datesFrom April 2029.DynamoOSNo pack announced

What works in every country

  • 149 currencies

    Invoice and pay in any of them; each document keeps its own rate.

  • Charts of accounts for 40+ countries

    Start from a chart made for your country, then set the taxes you charge.

  • Several companies, one sign-in

    Each company keeps its own books and currency; consolidate when you report.

  • English or Arabic

    Each person picks a language; the Arabic interface runs right to left and is in preview.

Questions before you start

Something we have not answered?

Talk to us
  • Can we use DynamoOS in a country without a pack?

    Yes. DynamoOS works in any country, in your currency and with your chart of accounts, and you set the taxes you charge. A pack adds local e-invoicing, returns and government services where one exists.

  • What does a country pack cost?

    The Saudi Arabia pack is included at no charge with every plan. We will publish the terms of other packs before they ship.

  • When will the UAE pack be ready?

    There is no release date yet. Join the waitlist and we will tell you as soon as it is ready.

  • Does ZATCA certify DynamoOS?

    No. The Saudi Arabia pack is tested against ZATCA's developer sandbox, which accepted all six e-invoice document types with no errors on 2 October 2026. That is a sandbox test, not a certification.

Sources

Read on 10 October 2026. Official sources first; advisers' summaries where no official page was available.

  1. ZATCA, Wave 24 of e-invoicing integration (26 September 2025) (opens in a new tab)
  2. ZATCA, Wave 25 of e-invoicing integration (24 July 2026) (opens in a new tab)
  3. UAE Ministry of Finance, eInvoicing (opens in a new tab)
  4. UAE Ministerial Resolution No. 66 of 2026 (PDF) (opens in a new tab)
  5. KPMG, Oman VAT executive regulations amended for e-invoicing (August 2026) (opens in a new tab)
  6. EY, Qatar approves draft e-invoicing law (7 May 2026) (opens in a new tab)
  7. VATCalc, Bahrain e-invoicing status (opens in a new tab)
  8. GOV.UK, Promoting electronic invoicing: consultation response (26 November 2025) (opens in a new tab)

Start in your country today.

A 14-day free trial with every app, in your currency, with your chart of accounts.