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UAE Corporate Tax Registration 2026: What Businesses Need to Know

The UAE introduced Corporate Tax (CT) at 9% on taxable income exceeding AED 375,000, effective for financial years starting on or after 1 June 2023.

Key Requirements

  • Register with the Federal Tax Authority (FTA)
  • File CT return within 9 months of financial year end
  • Maintain records for at least 5 years
  • Free zone entities with qualifying income may be eligible for 0%

For a 31 December 2025 financial year-end — the most common case — the first return and any payment are due 30 September 2026.

Small Business Relief Ends 31 December 2026

Small Business Relief (SBR) lets a business with AED 3 million or less in revenue in a tax period elect to be treated as having zero taxable income — so no CT is due for that period. It is not automatic: you must elect it in your return through the EmaraTax portal, and you must still register and file.

SBR is a transitional measure. It is available only for tax periods ending on or before 31 December 2026, with no extension announced.

What changes on 1 January 2027: former SBR businesses move to the standard regime — 0% on taxable income up to AED 375,000, and 9% above it. This is not a flat 9% tax: a low-margin firm under AED 3M revenue may still owe little or nothing. But the zero-income election disappears, so every formerly-relieved entity must now calculate actual taxable income, keep full records, and file a substantive return.

For PRO firms: any client who leaned on SBR through 2026 needs a 2027 transition plan — proper bookkeeping and a real taxable-income calculation — well before their first post-SBR filing deadline.

Penalties

| Violation | Penalty | |-----------|---------| | Late registration | AED 10,000 (may be waived if first return filed within 7 months) | | Late filing (months 1-12) | AED 500 per month | | Late filing (month 13+) | AED 1,000 per month | | Late payment | 14% per annum, non-compounding |

Sources: Federal Decree-Law 47/2022 (UAE Corporate Tax Law); Cabinet Decision 129/2025 — amends Cabinet Decision 40/2017 (consolidated text published Nov 2025; late-payment surcharge effective 14 April 2026).

What PRO Firms Need to Know

Many UAE businesses registered for CT in 2024-2025. First returns are due 9 months after financial year end. If you manage multiple client entities, tracking each one's registration status and filing deadline is essential to avoid cumulative penalties.

A client that misses registration and then files late for 18 months faces:

  • AED 10,000 (registration) + AED 6,000 (12 months × AED 500) + AED 6,000 (6 months × AED 1,000) = AED 22,000 in penalties alone, plus the 14% annual surcharge on any unpaid tax.

How Dembri Helps

Dembri tracks CT registration and filing deadlines per entity. The compliance dashboard shows which clients have registered, which returns are due, and which are at risk of penalties. Reminders are sent automatically via email and WhatsApp.

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Last verified: 3 June 2026 · Late-payment surcharge (14% p.a.) verified against Cabinet Decision 129/2025 primary PDF. Small Business Relief AED 3M threshold and 31 December 2026 sunset per Ministerial Decision 73/2023. Late-filing per-month figures are widely cited but awaiting primary FTA penalty schedule verification.