AJ+C (Allen Jack+Cottier) is an acclaimed Australian-based architectural and urban design practice with a rich history spanning over 70 years, established in 1952. They are recognized for delivering innovative, sustainable, and award-winning design solutions across a diverse range of sectors including residential, commercial, public, education, sports, hospitality, and master planning. AJ+C is committed to creating spaces that are contextually responsive, enhance human experience, and contribute positively to communities and the urban fabric. Their portfolio reflects a dedication to design excellence, collaborative processes, and pushing the boundaries of architectural practice.
The Sydney headquarters serves as the primary design studio and operational hub for AJ+C, overseeing major projects, client management, business development, and administrative functions for its Australian and international work.
Located in a contemporary building within the dynamic Chippendale creative precinct, the studio is designed to foster collaboration and innovation, likely featuring open-plan workspaces, advanced design technology, and an environment that reflects their design ethos.
AJ+C fosters a collaborative, creative, and design-focused work culture. They emphasize teamwork, continuous learning, and a passion for delivering high-quality architectural outcomes. The environment encourages innovation and supports professional growth across diverse project typologies.
As the originating and principal studio, the Sydney headquarters is central to AJ+C's identity and legacy, being the birthplace of numerous award-winning projects and the driving force behind the firm's strategic direction and design philosophy.
AJ+C maintains a global presence primarily through its key studios in Sydney and Brisbane, Australia, and an international office in Shenzhen, China. These locations support a comprehensive suite of architectural services, including design, master planning, and interior architecture for projects across Australia, Asia, and occasionally other international markets. Their global functions involve participating in international design competitions, collaborating with global partners, and delivering projects that often require understanding diverse cultural and environmental contexts.
Level 3, 79 Myrtle Street
Chippendale
NSW
Australia
Address: Level 2, 60 Wunburra Street, Wavell Heights, QLD 4012, Australia
To serve clients and projects within Queensland, providing localized expertise and strengthening AJ+C's presence in this key Australian market, particularly in community, residential, and public projects.
Address: Room 1803, Building T3, Qianhai Shimao Tower, No.3040 Xinghai Avenue, Nanshan District, Shenzhen, China
To support AJ+C's international growth strategy, manage projects in China and the wider Asia-Pacific region, and foster collaborations with international partners and clients.
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As of April 2025, AJC' leadership includes:
AJC has been backed by several prominent investors over the years, including:
No major publicly announced executive hires or departures at AJ+C have been prominently identified in mainstream news channels over the last 12 months. Leadership changes in privately-held architectural firms like AJ+C are often managed internally or announced through industry-specific channels rather than broad public press releases unless of very significant nature.
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AJ+C commonly uses an email format combining the first initial and last name of the employee. This is a standard professional format widely adopted by many companies.
[first_initial][last_name]@ajc.com.au
Format
mheenan@ajc.com.au
Example
85%
Success rate
Architecture & Design • November 9, 2023
AJ+C has designed the Tallowa Active Living Centre (Gotte), which is set to become Australia’s first community club to achieve Passive House certification. This project highlights AJ+C's commitment to sustainable and energy-efficient design in community architecture....more
ArchitectureAU • April 27, 2023
Allen Jack and Cottier (AJ+C) was selected as the winner of a design competition for a new community precinct in North Rocks, Sydney. Their proposal emphasizes connectivity, green spaces, and modern community facilities....more
ArchitectureAU • February 16, 2023
AJ+C revealed its ambitious concept design for the $350 million redevelopment of the Canterbury League Club. The project aims to transform the club into a vibrant, multi-faceted community hub with significantly enhanced amenities and a contemporary architectural identity....more
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