We’re experienced, innovative and collaborative, delivering striking designs that turn heads.

Otto firm is not your average architectural firm. We respect the design and the budget. We pay attention to the history and the energy of the space. We listen to your requirements very carefully. We know that there are stakeholders to please. We also know the value of time.

All of this knowledge coupled with experience is the inspiration behind our motto. Eat, drink, design. It inspires us to work better and faster for our clients. We carry out your project from start to finish. It is a hassle-free process and there are no contractors involved.

Why choose Otto firm?

At Otto firm, we are committed to delivering the best with every project. We are passionate about our designs and carry out the same with precision. You can rely on us for your dreams and aspirations. As one of the largest architectural firms operating across Australia, we offer you quality craftsmanship. Our team is renowned for its professionalism and knowledge.

It is not just about the craftsmanship and the quality, but it is our inclusive approach that sets us apart from other firms. We like to keep our clients in the loop and update them about each and everything. We are very collaborative in nature and we don’t believe in taking our clients for a ride. This is why we are known for maintaining long-term relationships with all our clients in Melbourne, Toorak and South Yarra.

We have our own manufacturing unit where we manufacture joinery. We also have a department that handles global procurements. This means we can produce quality designs locally fast. This way we are able to deliver seamless experiences, thus saving both the time and money for our clients.

Ottofirm are not your average retail designers.


Our unwavering commitment to quality has seen us create superior retail experiences across the retail, corporate and hospitality sectors.


Led by managing director Aaron Yong, Ottofirm has worked with some of the Asia-Pacific region’s best-known brands.


We offer a full suite of interior design services, including conceptual design, design development, documentation and contract administration.


We take the time to understand each client’s vision and partner with them to deliver it – resulting in an unrivalled experience for customers, staff and visitors.


Our tailored project management service means each client is supported throughout the design and construction journey – ensuring it runs smoothly right through to opening day.


Thanks to our insight and creative thinking, we have earned the trust and appreciation of the many clients we’ve helped.


Our creative and insightful team is dedicated to achieving spectacular results on every project.

No exceptions.

They say a winning team is greater than the sum of its parts, and Ottofirm is proof of that.

Our team is made up of highly accomplished individuals with well-honed specialist skills – and combined, we achieve big things.

Why choose us?


  • Exceptional quality – We deliver a project with care
  • Beautiful craftsmanship – Our designers are excellent craftsmen
  • All the joinery is manufactured in our manufacturing facility – which is equipped with state-of-the-art machinery
  • We handle a project from start to finish – There are no third parties involved
  • We eat, drink and design – You can count on us

Have a look at some of our projects on this page and decide for yourselves

Head-turning designs.
Exceptional customer experiences.

See our work
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