Authentic, Inspiring Interior Spaces by Design


Leithal Designs takes the guesswork out of designing unique, beautiful, and functional spaces that meet the highest standards.

We’re passionate about innovative design and committed to finding creative solutions that deliver on your vision for inspiring spaces.

Our experienced architectural and interior design professionals have a wealth of knowledge and expertise that we bring to every project we undertake. 

And we want nothing more than to see your project succeed.

We support you to:

  • Align beautiful, functional design with project objectives
  • Deliver projects from feasibility to fruition
  • Manage budget and timelines
  • Detect roadblocks and identify creative solutions


We work with a diverse range of clients, from start-ups to large corporations. Our projects range in size and scope – here are just a few businesses we’ve worked with:

Transparent and Collaborative Interior Design Services

Our transparent and collaborative methodology to project management ensures that you’re always included in the design process and that all challenges that arise, both expected and unexpected, during the build phase are addressed quickly and effectively. 

We partner with builders, engineers, and contractors, so you can rest assured that we will deliver professional solutions that add value at every stage of your project.  

If you’re looking for a distinctive client-centred experience that consistently delivers authentic and inspiring outcomes of the highest standard, we’d love to work with you.

A Values-Based Approach to Commercial Interior Design Services

We consistently hear from our clients that it’s our values-based approach that sets us apart from other interior design services – and it is these values that we integrate into everything that we do. 

Your business and your project is supported in the following ways:

Read more about the approach and our journey to these values.

Our Clients are at the centre of all we do.

When it comes to creating memorable experiences in commercial interior design, it can be hard to know where to start or who to trust. 

Leithal Designs has built a reputation for applying a considered and collaborative process to bring design visions to life, maintaining the highest standards for each phase of the build. 

We do this by working closely with our clients from start to finish, considering all your needs and wants. We are transparent about our costs, and we always deliver on our promises.

Our client-centric collaborative approach will transform your vision from initial design concepts into functional spaces that connect and inspire those who use it. 

What Past Clients Say

Kerry Tozer | Life Healthcare

“Leithal Designs is fantastic to work with. We had very particular requirements for sustainability and pragmatic use of resources. Sonia delivered a space that looks more impressive than its budget, while still being sustainable.”

Fiona Pringle | Managing Director, Target Physio

“Leithal Designs was responsive to our needs and came up with creative solutions to our space issues. Sonia listened carefully while I was briefing her on how we needed the space to function for our physiotherapists and our clients.  She then incorporated ways to streamline our work in the space in the most surprising ways. We appreciated that she took the time to understand our business and come up with ideas that would work for us.”

Chris Massey | National Manager - Property Projects & Facilities

“It’s always a pleasure working with Leithal Designs. Sonia is responsive, very creative and always comes up with unique solutions to problems. As a result, her work always achieves great results. That’s why Leithal Designs will continue to be an asset to our organisation.”

Finbar McLaughlin | QLD State Director, Evolved Engineering

“Sonia is extremely professional to work with, continually setting her standards to the highest level. She consistently develops innovative solutions that achieve client’s objectives efficiently. We look forward to collaborating with Leithal Designs on future projects.”

Dan Kirwan | Director, Nawrik Constructions Pty Ltd

“Sonia’s consistent focus on the client ensures that she is able to find the best possible solution for each design challenge. As a result, Sonia’s designs are both creative and of the highest standard, making Leithal Designs an excellent choice for any design project.”

Brett Magnussen | Managing Director, Ranbury

“Communication from the start was excellent. Sonia is a really good listener and really understood the objectives of what we were trying to achieve. Leithal Designs is across all the contemporary concepts in workplace design and were able to clearly communicate concepts and drawings quickly.”

Elliott Griffiths | Manager, SHAPE+

“Leithal Designs know how to make even the most challenging spaces work well. We’ve worked with Leithal Designs on several build projects now, and each experience has been made simple and straightforward thanks to Sonia’s wealth of knowledge and creative solutions.”

Erwin Vasconcelos | Founder, Proud Smile

“Thank you Sonia for the amazing work you’ve done for us, the clinic looks fantastic and your design has exceeded my expectations. Your attention to detail and the seriousness you showed through all steps of this project were refreshing to see. All that and just pure good taste. This project embodies exactly what we are in our business and it’s without a doubt the most inspiring dental clinic in Hope Island and northern Gold Coast.”

Frequently Asked Questions

An experienced interior designer will guide you to getting the best value for your money. They know what works and what doesn’t and can save you time and money by avoiding costly mistakes.

An interior designer can also be a great project manager, keeping track of all the moving parts of a project and making sure everything stays on schedule. And with years of experience in the industry, an interior designer is likely to have helpful insights about what will and won’t work in your space. So, if you’re feeling overwhelmed by the prospect of your project, hiring an interior designer may be the best decision you ever make.

An interior designer is someone who plans, designs, and oversees the construction of a space, usually within a building. They are responsible for creating functional, safe, and aesthetically pleasing spaces that meet a client’s needs.

They must be able to think creatively and critically and have excellent time-management skills. They know how to keep a project on track, on time, and on budget. They work with clients every day who have different needs and expectations, so they know how to handle the unexpected issues that inevitably arise during the build phase.

When choosing a designer, it’s important to consider the experience of the designer and how well their style aligns with your own. It’s also important to do your research and read reviews to get an idea of what other clients have said about the designer’s work. 

Ultimately, you’ll want to find a designer who you feel comfortable working with and someone who will be responsive to your needs. It’s important to have a good relationship with your designer, as they will be helping to bring your vision to life. So, take the time to find someone who is a good fit for you and your project.

Next Steps

We would love to help bring your vision to life. 

Book a no-obligation discovery call today.