Muscat, Sohar & Salalah free zones
Duqm, Sohar and Salalah free zones have specific zero-rating and out-of-scope treatments for exports and intra-zone supplies. Tax Invoices remain mandatory; VAT is charged at 0% where the export condition is met.
Sultanate of Oman · OMR
Business document tools for Sultanate of Oman
Sultanate of Oman is a Gulf economy diversifying via Duqm, Sohar and Salalah free zones, with 5% VAT in force since April 2021. DocMak issues documents in OMR, applies 5% VAT (Oman Tax Authority), and follows Oman Tax Authority formatting — from Riyadh to Muscat.
5% VAT (Oman Tax Authority)
Sultanate of Oman invoicing & compliance guidance
Oman introduced 5% VAT in April 2021 under Royal Decree No. 121/2020. Registration is mandatory above OMR 38,500 in taxable supplies. Every taxable supply must be evidenced by a Tax Invoice quoting the seller's VAT Registration Number (starts with OM…).
Invoice title
Tax Invoice
Filing cadence
Quarterly VAT returns via the Oman Tax Authority portal, due within 30 days of quarter-end
Late registration or missing tax invoices attract fines from OMR 500 to OMR 10,000 depending on severity.
What Omani businesses need to know
E-invoicing pilot
The Oman Tax Authority has confirmed an e-invoicing pilot in 2026 targeting large VAT payers. Businesses should already be issuing structured invoices they can later export as UBL 2.1 XML.
Start your Sultanate of Oman document now
Each maker below is pre-configured with OMR totals, Tax Invoice formatting and Oman Tax Authority field requirements.
Invoice Maker — Sultanate of Oman
Issue tax invoices with per-line VAT and totals.
Open Invoice MakerQuotation Maker — Sultanate of Oman
Send professional quotes with terms & validity.
Open Quotation MakerProforma Invoice — Sultanate of Oman
Bill against advances before dispatch.
Open Proforma InvoicePurchase Order — Sultanate of Oman
Raise POs with agreed pricing & delivery.
Open Purchase OrderCompany Profile — Sultanate of Oman
Present your business to buyers & tenders.
Open Company ProfileSultanate of Oman invoicing FAQs
What's the VAT registration threshold in Oman?
Mandatory at OMR 38,500 in annual taxable supplies; voluntary from OMR 19,250.