VAT confuses many new business owners: is it compulsory? Voluntary? Worth it early? This guide explains the threshold rules, the difference between compulsory and voluntary registration, what documents you need, and the ongoing obligations once you're VAT registered.

Compulsory vs voluntary VAT registration

CompulsoryVoluntary
TriggerTaxable turnover exceeds the threshold in any 12 monthsTurnover below threshold but you choose to register
WhoGrowing/larger businessesStartups wanting to reclaim input VAT, or those trading mainly with VAT-registered clients
ObligationMust registerOptional, subject to SARS approval and minimum criteria

Should you register for VAT voluntarily?

Pros: you can claim back input VAT on business expenses and look more established to corporate/VAT-registered clients. Cons: you must charge VAT on your invoices (making you 15% more expensive to non-VAT-registered customers) and take on extra admin (VAT201 returns, record-keeping). It often makes sense if your clients are VAT-registered businesses or you have significant upfront capital expenses.

Documents needed to register for VAT

What changes once you're VAT registered