This tool provides general guidance for planning purposes only. It is not a substitute for advice from a qualified tax professional (CPA, CA, BAS agent, or tax adviser). Registration thresholds, exemptions, and rules change. The rules that apply to you depend on your specific circumstances, the nature of your supplies, and applicable exemptions.
If you are near a registration threshold or have complex supply arrangements (international clients, mixed taxable/exempt supplies, digital services), consult a qualified tax professional before deciding whether to register.
Full registration checker for 6 countries. For others, we explain the situation and link to official resources.
Select your country, enter your revenue and click Check to find out.
Failing to register for GST/HST or VAT when required is a serious compliance failure. In Canada, CRA can assess you for the GST/HST you should have collected, plus penalties and compound daily interest from the date you should have registered. In the UK, HMRC can charge a surcharge of 5-15% of the VAT due. In Australia, the ATO can issue a default assessment and charge penalties and general interest charge. In all countries, backdated tax must be paid even if you did not collect it from clients — it comes out of your own pocket.
The registration threshold applies to your gross taxable revenue (before expenses), not your net income or profit. For example, in Canada the $30,000 threshold is based on your total taxable supplies — what you invoiced — not what you kept after expenses. This catches many freelancers by surprise when they first approach the threshold.
Generally yes — if you have multiple income streams from self-employment, you typically add them together when determining whether you have crossed the registration threshold. However, exempt supplies (financial services, some medical, educational) do not count toward the threshold in most countries. Mixed supply situations are complex — get professional advice.
Yes — the threshold is based on where you are established and operating, not where your clients are. However, exports of services to international clients are typically zero-rated, meaning you charge 0% but can still claim input tax credits. This is actually a strong argument for voluntary registration if most of your clients are international — you recover tax on your purchases without charging them anything extra.
In Canada, UK, Australia, New Zealand, Singapore and Ireland — yes, voluntary registration is permitted and in some circumstances advantageous. Once voluntarily registered, you are subject to the same filing and remittance obligations as mandatory registrants. The main benefit is the ability to claim input tax credits (or input VAT) on your business purchases. This is most valuable when you have significant deductible expenses.
Filing frequency varies by country and revenue level. In Canada, new GST/HST registrants typically file annually (under $1.5M revenue) or quarterly. In the UK, most VAT registrants file quarterly. In Australia, PAYG Instalments are typically quarterly. In New Zealand, GST returns are filed every 2 months (bi-monthly) or monthly for high-value registrants. Ireland VAT is typically filed bi-monthly. Check with your tax authority for the frequency that applies to your situation.