MCA Architects (Malone Campbell-Allen Architects) is a well-established practice based in Sydney with over 30 years experience and an excellent track record in the built environment. MCA Architects has completed a wide range of quality projects from Residential through to Education, Institutional, Laboratories, and Religious Architecture. Our long-term involvement in these realms in Australia and overseas has developed a deep understanding of the issues involved in each specialist area.

We are committed to a ‘client oriented’ approach combined with our creative abilities to produce excellent design that first and foremost meets our client’s needs. We consider each project a privileged opportunity to navigate clients from ideas to completion, whether that be an extension to an existing residence, a Heritage-listed building, or a new build.

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B Des(Arch), M Arch, RAIA

John McLennan has over 13 years’ experience in architectural design and documentation covering all aspects from masterplanning and sketch design to detailed documentation 
and contract administration.

John McLennan approaches each project enthusiastically, aiming to help Clients resolve the project brief and budget, developing the project scope, and coordinate secondary consultants.
In 2020, John assumed Directorship of the practice with a passion and focus to delivery quality design projects for MCA’s Clients.


Senior Architect

B Arch (hons)RAIA

Stephen Malone architect, has over 35 years experience in architectural design. His background is as a principal design architect in leading Sydney firms on a wide range of projects including numerous large scale buildings.

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Graduate of Architecture


Graduate of Architecture


We are always welcoming talented and dedicated architects to join our team! If you are interested please send your CV and portfolio to office@mca-architects.com.au