Understanding VAT numbers and how they compare to Australian GST

Navigating international business can be complex, especially when tax terminology varies across countries. For Australian businesses, understanding terms like "VAT number" is crucial when dealing with overseas partners or customers.

This article clarifies what a VAT number is, its relevance globally, and how Australia's tax system, including the Australian Business Number (ABN) and Goods and Services Tax (GST), compares. We will help you understand these differences to ensure smoother international transactions.

What is a VAT Number?

Value Added Tax (VAT) is a consumption tax. Governments in many countries levy it on goods and services at each stage of production and distribution. Businesses collect VAT on their sales and pay it on their purchases.

The fundamental principle is that the final consumer bears the tax burden. Businesses act as intermediaries, collecting the tax and remitting it to the government.

A VAT number is a unique identification number assigned to a business registered for VAT. It allows tax authorities to track VAT payments and refunds throughout the supply chain.

Who needs to have a VAT number?

Businesses generally need a VAT number if they exceed a certain turnover threshold within a specific country. This threshold varies significantly by jurisdiction. For example, in the United Kingdom, businesses must register for VAT if their taxable turnover exceeds a set amount annually.

Companies engaging in cross-border trade, particularly within economic blocs like the European Union, almost always require a VAT number. This ensures proper accounting for VAT on goods and services traded between member states. Even businesses below local turnover thresholds might voluntarily register for VAT to reclaim VAT paid on their business expenses.

Non-resident businesses selling goods or services to customers in a country with a VAT system often need to register for VAT in that country. This is common for e-commerce businesses selling to international customers.

The requirement ensures that the appropriate consumption tax is collected and paid to the correct tax authority. Understanding these general conditions helps businesses anticipate their tax obligations in various markets.

Clarifying what does VAT number mean in Australia

It is important to state clearly: Australia does not have a Value Added Tax (VAT) number¹. This often causes confusion for Australian businesses interacting with international markets.

Instead of VAT, Australia has a Goods and Services Tax (GST). GST is a 10% broad-based consumption tax applied to most goods, services, and other items sold or consumed in Australia². The Australian Business Number (ABN) is the primary identifier for businesses in Australia. This unique 11-digit number identifies a business to the government and the community.

When a business registers for GST, its ABN becomes linked to its GST registration status. In practice, the ABN, especially when a business is registered for GST, serves a similar identification purpose to a VAT number in other countries. Australian businesses use their ABN on invoices and other business documents.

Difference between VAT and Australian GST

The terms VAT and GST are frequently confused. This misunderstanding can lead to significant pitfalls for Australian individuals and businesses. Incorrectly applying VAT rules to Australian transactions, or vice versa, can result in compliance errors or miscalculations on international invoices.

For instance, an Australian business might receive an invoice from a European supplier requesting their "VAT number." Providing their ABN without clarifying it's for Australian GST, not VAT, could lead to complications or delays in processing the invoice. Conversely, an Australian business might mistakenly try to charge VAT to an overseas client.

Consider an Australian graphic designer providing services to a client in Germany. The German client requests the designer's VAT identification number for their tax records. The Australian designer does not have a VAT number.

They would provide their ABN and explain that Australia uses GST, not VAT. This clarity prevents the German client from incorrectly assuming VAT is applicable or trying to verify a non-existent VAT number. This scenario highlights why understanding the distinction is vital for smooth international trade.

How to Get a VAT Number?

The process to obtain a VAT number is specific to each country and its tax authority. Generally, businesses apply for a VAT number when they meet certain criteria, such as exceeding a specific turnover threshold or engaging in certain types of cross-border trade. The application typically involves registering with the relevant tax department in that country.

Businesses often need to provide details about their company structure, business activities, and expected taxable turnover. Required documentation might include business registration certificates, proof of identity for directors, and bank account details.

Once approved, the tax authority issues a unique VAT identification number. This number is then used on invoices, customs declarations, and other tax-related documents. It is important to consult the specific tax regulations of the country where registration is sought.

Wise Business: Simplifying Your International Transactions

Navigating the nuances of VAT while operating under the Australian GST system adds a layer of administrative pressure to your global growth. When you are required to pay international suppliers or manage tax obligations in foreign jurisdictions, Wise Business helps solve the friction of high conversion costs and hidden bank fees.

By providing local account details in 8+ currencies like GBP and EUR, the platform allows you to handle international transactions as a local business. This transparency helps businesses accurately budget for international transactions, reducing the impact of currency fluctuations and hidden charges.

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This general advice does not take into account your objectives, financial circumstances or needs and you should consider if it is appropriate for you.
**Capital at risk, growth not guaranteed. Interest is the name of a custody and nominee service provided by Wise Australia Investments Pty Ltd in partnership with Franklin Templeton.

Sources last checked on 31 Mar 2026