Brisbane Studio

Our Queensland Studio is in the heart of Meanjin, Brisbane’s CBD, located on the traditional land of the Turrbal People.  With our talented group of Architects and Interior Designers, we provide expert design services for our clients and the communities we serve.

Proud Queenslanders and proud GSA’ers, we are a diverse, inclusive, driven and collaborative group within the group.

We are humbled by the opportunities our clients give us, and excited by the power that our work has to influence our planet positively for future generations to come.


Get in touch

Level 7, 260 Queen Street
Brisbane QLD 4000

View location

T +617 3210 2592 E


James du Plessis
  • Principal
  • Brisbane

James du Plessis

James believes design excellence is achievable in all circumstances, on every project. Essential to this premise are two elements – a strong team motivated by shared project ownership and establishing trust with clients and user groups.

  • Associate Director

Lachlan McCallum

Lachlan is an Associate Director and has developed professionally into a team leader and Project Architect responsible for the leadership of project documentation teams, and overseeing projects during construction

  • Associate

Graeme McKinnell

Graeme is an Associate with extensive Australian, UK and international experience. He has demonstrated a consistent provision of a high level of dedication, commitment and organisation to each project, with excellent communication skills.

  • Associate

Giuseppe Mangini

Giuseppe has a broad range of project based skills specialising in documentation, detailing, consultant co-ordination and contract administration.

  • Associate Director

Andrew Glover

Andrew is an Associate Interior Designer with extensive experience in documentation and delivery of fit-out projects across the workplace, health, retail, public, residential and hospitality sectors.


300 George Street – ‘ The One’

Collective strength can spark brilliance.

reception area at QBE Brisbane office

QBE Brisbane

Southport Sharks

A striking entry statement for both Club and Hotel.

Pacific Pines State High School

Cannon Hill Shopping Centre

GroupGSA were engaged by Retail First to design and deliver the revitalisation of their Cannon Hill Kmart Plaza Shopping Centre.

Riverlights Hamilton