ASC Pty Ltd is Australia's sovereign submarine builder and sustainer, with over 35 years of dedicated experience supporting the Royal Australian Navy and the Australian Government. The company successfully built Australia’s fleet of six Collins Class submarines and currently serves as the design and engineering authority for this class, responsible for their ongoing sustainment, complex upgrades, and life-of-type extensions. Headquartered in Osborne, South Australia, ASC is at the forefront of Australia's naval defence capabilities and is a critical partner in the AUKUS trilateral security pact, which will deliver a conventionally-armed, nuclear-powered submarine capability for Australia. ASC employs a highly skilled workforce of nearly 2,000 people, committed to delivering sophisticated defence projects and ensuring the operational readiness of Australia's vital submarine fleet.
The Osborne headquarters serves as the central hub for corporate governance, strategic planning, submarine construction, deep maintenance, comprehensive sustainment operations, and is the design and engineering authority for the Collins Class submarines.
Features world-class facilities including a vast submarine construction hall, advanced manufacturing workshops, heavy lift capabilities for submarine sections, comprehensive testing infrastructure, and one of the most technologically advanced shipyards in the Southern Hemisphere. It is also set to expand for future nuclear-powered submarine construction.
ASC fosters a high-performance work culture centered on engineering excellence, continuous innovation, stringent safety protocols, and uncompromising quality. There is a strong emphasis on collaboration with the Royal Australian Navy, the Department of Defence, and various industry partners. The environment is inherently security-conscious due to the critical nature of its defence projects.
The Osborne headquarters is paramount to Australia's sovereign submarine capability. It houses the primary infrastructure for building, maintaining, and upgrading the nation's submarine fleet, making it a critical asset for national security and a key industrial base for complex naval projects, including the AUKUS program.
While ASC's core operations are concentrated within Australia, its global presence is primarily characterized by its engagement in international supply chains for specialized submarine components and advanced systems. ASC actively participates in technology exchange programs and maintains strategic partnerships with allied nations, notably the United Kingdom and the United States under the AUKUS agreement. These international collaborations are vital for accessing cutting-edge technology, sharing submarine design and construction expertise, and adopting global best practices in sustainment. Functions supported globally include specialized procurement, international stakeholder engagement, collaboration on defence research and development, and participation in global defence industry forums and alliances.
Mersey Road North
Osborne
South Australia
Australia
Address: Russell Road, Henderson WA 6166, Australia (within the Australian Marine Complex)
To ensure the high operational availability, readiness, and deep maintenance capabilities for Australia's submarines operating from the strategically important west coast, serving as a key sustainment hub for naval assets in the Indian Ocean region.
Address: HMAS Kuttabul, Garden Island, Potts Point NSW 2011, Australia
To support submarine operations and maintain fleet readiness on Australia's east coast, ensuring rapid response capabilities and sustained naval presence in the Pacific Ocean region.
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As of April 2025, ASC Pty Ltd' leadership includes:
ASC Pty Ltd has been backed by several prominent investors over the years, including:
Over the past 12 months, ASC Pty Ltd has made strategic appointments to its executive and senior leadership team, notably enhancing its capabilities in People and Culture, and specialized Nuclear Engineering, which are crucial for its current sustainment programs and future AUKUS-related projects. No high-profile executive departures from the primary leadership team have been publicly announced during this period.
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ASC Pty Ltd typically employs standard corporate email address formats. Based on common industry practices and observed patterns, their email addresses likely combine employee names with the official company domain, 'asc.com.au'. The most common formats are likely 'firstname.lastname' or 'firstinitiallastname'.
firstname.lastname@asc.com.au or finitiallastname@asc.com.au
Format
jane.doe@asc.com.au
Example
85%
Success rate
ASC Media Centre • April 23, 2024
ASC Pty Ltd has welcomed the Federal Government’s AUKUS Submarine Workforce and Industry Strategy, highlighting its commitment to developing the skilled workforce required for Australia's future nuclear-powered submarine capability and its role in sustaining these advanced vessels....more
ASC Media Centre • February 20, 2024
ASC announced the successful undocking of the Collins Class submarine HMAS Farncomb following a major upgrade and deep maintenance availability (Full Cycle Docking). This milestone underscores ASC's critical role in maintaining the Royal Australian Navy's submarine fleet at peak operational readiness....more
Naval News • November 29, 2023
ASC Pty Ltd appointed Dr David Phipps as its inaugural Head of Nuclear Engineering. This strategic appointment is a key step in ASC's preparation to support Australia's acquisition and sustainment of nuclear-powered submarines under the AUKUS trilateral security pact....more
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