Brainy Tax / Free UAE business tools
Turn your business details into dated calendar entries, VAT credit limits and supplier verification steps.
General information, not tax advice. We are not a registered tax agent.
Choose your toolMade for your business
This free calendar is personalised to your UAE business profile. Choose a tool below, enter your business details (or select “Load example inputs” on the tool page to see a synthetic example), and review the dated results. Each result includes a date where applicable, an action, the rule and an official source link. Some results are information notices rather than deadlines.
Official-source snapshot: 24 October 2026. This snapshot does not update automatically. Check current legislation and assigned EmaraTax dates before relying on a result.
01 / Corporate Tax
Corporate Tax and calendar: enter your year-end, revenue and relevant company details. Confirm the actual first tax-period end for first-return waiver timing. The calendar shows dated calendar entries for the next 12 months from your reference date, alongside Small Business Relief and other relevant notices.
Calculate calendar02 / VAT credits
VAT credits: enter the original periods that generated the credits. See the ordinary five-year limits and any transitional refund-request deadline.
Calculate credit limits03 / Supplier verification
Suppliers: enter the buyer’s VAT status and supplier details to see applicable checks, review reminders and draft document options.
Check supplier measures04 / E-invoicing
E-invoicing: enter total gross revenue and whether you are a government entity or sell exclusively B2C. See the phase dates or the B2C-only notice.
Calculate e-invoicing datesBefore you rely on a result
No. For a tax period ending on 31 March 2026, this calculator returns 31 December 2026 under the nine-month rule. Confirm your actual period and applicable deadline. Corporate Tax Law, arts. 48 and 53(1).
No. The transitional extension concerns refund requests; it does not restart the ordinary five-year clock for using a credit. MoF announcement, transitional provisions.
No. It prepares checks and draft documents from your inputs. You must carry out the measures and retain evidence. Decision 13/2026, arts. 3–5.
No. For in-scope businesses below AED 50 million, it is the ASP appointment deadline; go-live is 1 July 2027. MD 244/2025, art. 5(1)(b).
What comes next
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