5 Hotham Street, Collingwood
Victoria 3066, Australia




In Progress_Higher Ground, Melbourne

Studio HiHo, Melbourne

Little Bean, Shanghai

Filter, Melbourne

Goldfields Dwelling, Victoria

Cult Showroom Staircase, Melbourne

Palace Electric Cinema, Canberra


DesignOffice is a Melbourne-based architectural and interior design practice creating confident and personable responses to client briefs.


We are an award-winning practice with over 30 years of collective experience.


Our design responses are shaped with an understanding and empathy towards each client and every brief.

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Selected works


DesignOffice work across a wide range of scales and sectors.


Directed by Mark Simpson & Damien Mulvihill, the team at DesignOffice hold extensive experience in designing and delivering innovative buildings and interiors.

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Platform by DesignOffice

Platform is a strategy-led design service, which facilitates the creation of branded architectural environments.

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Higher Ground

The team at Higher Ground are getting ready to open the doors in June. Read more about the project at

Instagram @_designoffice

The beautiful Hexagram by Haines & Hinterding @sarahcottiergallery  Follow _designoffice


DesignOffice have once again been working with Marlene Mangioni and the team at 23Albert. Their new store, Bertie, has just opened in Freshwater.

Tait @ DenFair

We recently designed the DenFair stand to launch the Tidal range by Trent Jansen for our friends at Tait Furniture