The Doctor of Philosophy (Business) is Australia's highest academic qualification in the business and management disciplines. It is a research-intensive degree in which candidates undertake original, supervised research aimed at making a significant and independent contribution to knowledge within a chosen business field. Research may span disciplines such as management, marketing, international business, human resource management, economics, accounting, entrepreneurship, finance, organisational behaviour, and business information systems. Rather than following a taught curriculum, candidates develop a substantial research thesis — typically 70,000 to 100,000 words — under the guidance of an expert supervisory panel, with the program normally spanning three to four years full-time or up to eight years part-time. The degree is classified under ASCED Category 08 – Management and Commerce and is offered by most major Australian universities through their business schools or faculties of commerce. The Doctor of Philosophy (Business) is designed for high-achieving graduates who wish to push the boundaries of business knowledge, whether that means developing new theories of consumer behaviour, examining corporate governance structures, exploring sustainable business models, or investigating emerging areas like digital transformation and the future of work. Candidates are expected to demonstrate intellectual independence, methodological rigour, and the ability to generate original insights that advance their field. Employers of PhD Business graduates include Australian and international universities, the Australian Public Service, the Reserve Bank of Australia, the Australian Competition and Consumer Commission (ACCC), major consulting firms such as McKinsey, Deloitte, KPMG and PwC, ASX-listed corporations, financial institutions, research institutes, think tanks, and not-for-profit organisations. Increasingly, private sector employers are recognising the value of doctoral-level analytical capability, with growing numbers of PhD holders placed in senior executive and advisory roles across Australian industry.

Entry to a Doctor of Philosophy (Business) program in Australia is competitive, and meeting minimum requirements does not guarantee a place. Most Australian universities require applicants to hold at least a four-year Australian bachelor's degree with First Class Honours or upper Second Class Honours (Division A) in a relevant discipline, such as management, marketing, finance, accounting, economics, international business, or a related field. Alternatively, a Master of Philosophy (MPhil) with a significant research thesis component, or a coursework master's degree that includes a research thesis component comprising at least 25% of the program — with an overall GPA of at least 6.0 (Distinction) on a 7-point scale — may satisfy entry. Some programs offer a Pre-Doctoral or Integrated PhD pathway for outstanding candidates who may not yet meet the full PhD entry requirements. Critically, all applicants must identify and secure the support of a suitably qualified academic supervisor prior to, or as part of, their application. Most universities require submission of a detailed research proposal outlining the intended area of inquiry, theoretical framing, and methodology. English language proficiency is required for all non-native speakers, with typical benchmarks of IELTS Academic overall 6.5–7.0 (with no band below 6.0), TOEFL iBT 90–100, or PTE Academic 64–79 across skills. Some institutions also require candidates to participate in an interview as part of the admissions process. Relevant professional experience, prior publications, conference presentations, or technical reports may also strengthen an application, particularly for mature-age or industry-based candidates.