
The VAT Mistakes That Are Quietly Costing UAE Businesses Thousands
Authority (FTA) charges for a single voluntary disclosure — the formal process you must go through when you discover you have made an error in a previously filed VAT return. The second time, it rises to AED 5,000. On top of that, there is a percentage-based penalty on the underpaid or overclaimed amount.
The most common VAT errors in the UAE are not made by reckless businesses. They are made by careful, well-intentioned business owners who simply did not know the rules well enough.

The Landscape Has Changed
When VAT was introduced in January 2018, the FTA focused its audit activity largely on larger businesses. That era is over. As of 2025 and into 2026, FTA audits are actively targeting SMEs. Federal Decree-Law No. 16 of 2025 introduced several important changes, including a five-year limit on input VAT recovery, updated reverse charge procedures, and new anti-evasion provisions.
The Seven Mistakes We See Most Often
Mistake 1: Claiming Input VAT on Non-Qualifying Expenses
Not all VAT paid on business expenses can be recovered. Entertainment expenses — client dinners, staff outings, hospitality events — do not qualify for input VAT recovery under current 2026 regulations. We regularly see businesses claiming thousands of dirhams in input tax on expenses that the FTA will disallow on audit.
Mistake 2: Incorrect Treatment of Exempt and Zero-Rated Supplies
Many businesses confuse zero-rated and exempt supplies. Residential property, certain financial services, and local passenger transport are exempt — not zero-rated. The distinction matters enormously for your VAT return.
Mistake 3: Late or Missing VAT Registration
The mandatory VAT registration threshold is AED 375,000 in taxable supplies over any 12-month period. Many businesses cross this threshold without realising it, particularly those experiencing rapid growth.
Mistake 4: Non-Compliant Tax Invoices
A UAE tax invoice must contain specific information to be valid: the supplier’s TRN, the customer’s TRN (for B2B transactions above AED 10,000), a sequential invoice number, the date of supply, a description of goods or services, the taxable amount, the VAT rate, and the VAT amount.
Mistake 5: Incorrect Reverse Charge Mechanism Application
If your business imports services from overseas suppliers who are not registered for UAE VAT, you are likely required to account for VAT under the reverse charge mechanism. The 2025 VAT Law amendments updated these procedures, making this an area of heightened FTA scrutiny.
Mistake 6: Failing to Account for VAT on Deemed Supplies
If you use business assets for personal purposes, give gifts above AED 500 in value, or transfer goods between related parties, you may have a deemed supply that attracts VAT. This is one of the most overlooked areas of UAE VAT compliance.
Mistake 7: Poor Record-Keeping
The FTA requires businesses to maintain VAT records for a minimum of five years (fifteen years for real estate transactions). Businesses that cannot produce adequate records during an audit face penalties regardless of whether their actual VAT position was correct.
The Five-Year Input VAT Recovery Limit: A New Risk
One of the most significant changes introduced by the 2025 VAT Law amendments is the five-year limit on input VAT recovery. Businesses that have been sitting on unclaimed input VAT from 2018 and 2019 need to act immediately — those claims may soon be time-barred.
One of our clients — a retail business in Sharjah — came to us after noticing inconsistencies in their VAT returns going back three years. We identified AED 47,000 in incorrectly claimed input tax and managed the voluntary disclosure process with the FTA on their behalf. The penalty was manageable. An FTA audit discovering the same errors would have been far more costly.