​The Department of Home Affairs is responsible for central coordination, and strategy and policy leadership in relation to: cyber and critical infrastructure resilience and security, immigration, border security and management, counter-terrorism, the protection of our sovereignty, citizenship and social cohesion.

The Department of Foreign Affairs and Trade promotes and protects Australia’s international interests to support our security and prosperity. They work with international partners and other countries to tackle global challenges, increase trade and investment opportunities, protect international rules, keep our region stable and help Australians overseas.

The Embassy of Australia, United States of America, represents the Australian government and serves Australian citizens in the U.S. The embassy's primary roles include promoting and protecting Australia's interests, facilitating diplomatic and trade relations, and offering consular services such as passports, visas, and assistance to Australians in distress.

The Australian Consulate-General in Los Angeles serves as a crucial point of contact for Australians residing or traveling in the southwestern United States and Alaska. They also play a significant role in fostering Australia-U.S. relations, promoting Australian interests across various sectors such as creative industries, innovation, and technology.

The Australian Trade and Investment Commission (Austrade) helps grow Australia’s prosperity by delivering quality trade and investment services to businesses, accelerates growth in Australia’s tourism sector and promotes Australia’s education to the world.

The Australian Embassy Ireland plays a role in promoting Australia’s interests in Ireland, and building on the extremely warm, friendly and productive relationship between the countries. They also provide consular assistance and advice to Australians in Ireland, pass on news on upcoming events in Australia and in Ireland.

Trade and Investment Queensland is the Queensland Government’s dedicated global business agency, helping Queensland exporters take their products to world markets and promoting Queensland as the perfect place for investment. They work with many organisations to promote better access to overseas markets and decision-makers for Queensland companies.

Investment NSW is the NSW Government’s economic development and attraction agency, dedicated to positioning NSW as the premier destination for visiting, studying, investing, and doing business. The agency promotes NSW's business, events, tourism, and international study opportunities to drive economic recovery and attract new markets and investors globally.