Welcome to Costi Cohen,
a pioneering force in Australia’s commercial property investment and development industry.

Our mission is clear: to be a leading commercial property firm dedicated to simplifying the complexities of commercial buying.

We strive to provide an enjoyable and rewarding experience for our clients, ensuring their journey with us is not only successful but also exceeds expectations.

Our approach is straightforward yet effective, focusing on identifying and securing unique off, pre and post-market opportunities in the commercial property market to create profitable financial solutions for our clients. Our foundation is deeply rooted in commercial real estate and development, allowing us to navigate complexities and offer expert advice when our clients need it most.

Explore our history, get to know our team and connect with us today to discuss your investment or development property mandate.


We Are

Costi Cohen brings its world-class expertise in commercial real estate to all types of investors, owner occupiers and developers, with more than 60 years of experience backing our service offering.

Our team is made up of passionate, experienced professionals who adopt a simple approach to make the commercial buying process enjoyable. We’re committed to creating wealth for our clients, by partnering with them to grasp unique opportunities in the business property space. Our background is firmly rooted in commercial real estate and development, so we can help to unravel any complexities and share our expert advice, to make sure our clients achieve above-market yields.

As Australia’s first commercial full-service buyer’s agency, we’re delivering the innovation that gives our clients an edge. Our name is synonymous with efficiency and excellence — two things our clients can expect when they engage us. 


Costi Cohen is committed to offering a comprehensive suite of services tailored to meet the diverse needs of our clients in the commercial property market. We are the first commercial full-service buyer’s agency, which means our services include, but are not limited to:

Strategic commercial property acquisitions

Our core strength is identifying and acquiring commercial properties that align with our client’s investment or development mandate. Because of our strong relationships with commercial agents and deep market knowledge, we flush the market entirely for premium off, pre and post-market opportunities.  Our goal is to ensure that each acquisition is a strategic fit for the client’s portfolio, offering potential for growth and profitability.

Market insights and due diligence

Costi Cohen provides clients with up-to-date market insights and analysis, enabling them to make informed decisions regarding purchases. Our unparalleled expertise in market trends, analytics and property valuation ensures our clients have access to the information they need to stay ahead in the competitive commercial property market.

Expert negotiation

Whether its via expression of interest campaign, off-market negotiations, at auction or directly with the vendor, we negotiate on behalf of our clients day in, day out. We stay across all aspects of the deal, with the buyers best interests front of mind, ensuring you get the best price and terms possible.   

Ongoing portfolio optimisation

We offer ongoing portfolio administration services, helping clients to continually assess and optimise their property investments. This includes regular performance reviews, portfolio rebalancing, and strategic divestments when necessary.

The Costi

Cohen Mission

Our mission at Costi Cohen is to redefine the commercial property journey, delivering unparalleled excellence and value. We keep our client’s interests at the forefront, ensuring their commercial property ventures are profitable and seamless. Our vision is to continue leading Australia’s commercial real estate sector, setting new benchmarks in client service and industry innovation

Our market insights and knowledge have seen us purchase across all asset classes and commercial markets across the country, from CBD office buildings to regional shopping centres. Costi Cohen’s expertise spans various facets of commercial property investment and development— and we’re proud to say we’re just getting started.

The buyers we work with

At Costi Cohen, we work with a diverse range of buyers, from first-time investors to large scale developers and funds. We offer a tailored approach to suit each client and their mandate. The types of buyers we work with include:

Our reputation is bolstered by positive testimonials from our network of clients. The team at Costi Cohen, led by co-founders Tas Costi and Simon Cohen, is comprised of highly skilled individuals, each with unique skills and expertise allowing us to tailor our services to suit each type of buyer and their needs. 

Your Team

Co-Founder & Director

Business Manager

Executive Assistant & Operations

Head of Property Management

Contact Us


If you’re looking for commercial property investment or development opportunities, connect with us today to explore how we can assist with your mandate. Our team is ready to provide tailored solutions and expert guidance in navigating the dynamic landscape of commercial real estate. 

Costi Cohen can be reached via phone at +61 2 8934 3414 or email at [email protected]. We look forward to working with you and being a part of your commercial property journey.