We Source Commercial Property.

We Secure Commercial Property.

We Manage Commercial Property.

Who We Are

Costi Cohen brings its world-class expertise in commercial real estate to Australia.

Our team is made up of passionate, experienced professionals, who adopt a simple approach to make the commercial buying, leasing and management processes 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.


From our network of agents

Meet Your Team

Co-Founder & Director

Tas Costi

Co-Founder & Director




+61 402 199 029
[email protected]

The man behind every buy, every exchange and every settlement – a world-class commercial property expert building an industry-first Commercial Buyers Agency empire. As Co-Founder of Costi Cohen, Tas is leading a team of strategically chosen professionals in a growing world of opportunity, with his clients at the forefront to reap all the rewards derived from his ambition.

With over a decade in the field, Tas is an established property mentor with peak industry affiliations. Having completed a Bachelor of Business and International Law at UTS, a Real Estate Agent & Auctioneer licence and securing a Diploma of Building / Construction (Licensed Builder), Tas is an industry leading property expert, creating a legacy pace for commercial buyers’ agents.

His mission? Simple. Perfecting a commercial property journey in a fashion that delivers excellence and value to the client that Australia has never experienced before. Our clients interests always at the forefront of any decision, his unparalleled commitment to them will ensure that you are in the right hands for your next move in commercial property.


Simon Cohen


+61 403 177 953
[email protected]

Simon Cohen; a household name to many who has established one of the most successful businesses in the industry. As Co-Founder of Costi Cohen, Simon continues to pave the way for the Australian real estate industry by delivering a commercial experience like no other.

Simon’s highly regarded success dates back to 2009 when he Co-Founded Australia’s largest Property Buyers Agency with arms in Sydney, Melbourne and Brisbane, creating a legacy brand for the client, the team and the industry itself. His profound status in the industry has demanded a high level of publicity leading to Simon starring in a new docu-reality series that “will transport viewers into the fast-paced world of buying and selling high-end luxury real estate” – Amazon Prime Video. Having contributed to circa $670 million worth of property purchased in 2021 alone, Simon has transacted some of Sydney’s most prestigious assets, playing testament to a long-standing ethic which extends beyond the job.

His status in the arena is derived from raw dedication to his clients’, to his team and with an infinite network of connections, Simon is defining a new league for Australia’s first commercial buyers agency, Costi Cohen.

Senior Associate

Zack Harkins

Senior Associate | Retail, Development & Commercial




+61 410 244 171
[email protected]

Taking the industry by storm, Zack’s commitment to perform beyond expectation has left him well-positioned to penetrate the world’s fiercest commercial real estate markets. Zack’s composure in the ring and his drive to generate results for the client finds him keeping up with some of the biggest names in the business.

With a background in development management, his expertise brings an edge as a commercial buyer’s agent making him a key addition to the Costi Cohen team. Zack’s reputation among our clients, affiliated agents, and team pays tribute to his involvement in a number of record deals. His intricate knowledge in our clients’ briefs’ and ability to assess the opportunities presented across every asset class sees him stand out as an agent you want on your side of the deal.

Sasha Rodriguez

Associate | Office, Alternative & Commercial

+61 478 738 022
[email protected]

Sasha brings a fresh and enthusiastic outlook to Costi Cohen. Ruthless by nature and uncharted finesse, Sasha is committed to creating wealth for our clients through her core markets.

With roots in Leasing, Negotiations & Property Management along with a completed Bachelor of Property Investment, Development and Valuation, Sasha thrives out of her comfort zone and is forever integrating her competencies to better all stakeholder groups.

Persistent when crucial, focused and energetic across all touch points. Presenting an unprecedented level of attention to detail; precision at its finest. A professional who means business, personable and well-connected, Sasha is expanding her database exponentially – An invaluable asset to our team, and soon to be yours.

Business Manager

Jenny Cohen

Business Manager

+612 8934 3408

[email protected]

Jenny is a seasoned business professional who has provided tremendous support to The Cohen Group over the last decade.

Currently managing over sixty workers across NSW, QLD, and VIC, Jenny has diligently increased office performance by implementing workplace systems and support. Her methods have provided The Cohen Group with the pillars to our office successes across the Costi Cohen, Cohen Handler & Cohen Farquharson networks.

Veronique Schwind





+61 499 001 214
[email protected]

As the newest member of our team, Veronique brings energy and initiative to the Costi Cohen team as newly appointed ‘right hand’ to Co-Founder Tas Costi.

With a family background in development and a Bachelor of Property Economics at the University of Technology Sydney, Veronique is solution-driven, and people focused, with the ability to build and nurture relationships underpinning her commitment to customer service. Working under Tas, Veronique is dedicated to exceeding client expectations.

Having worked at CBRE Residential Projects as a Sales Executive, Veronique understands the intricacies of the buying process and is devoted to continually expanding her skillset and ensuring all daily operations are performed to the highest standard.

Veronique employs her high attention to detail and adaptability to support Tas in his dealings closely. She’s a well-connected professional who tirelessly strives to ensure the best outcomes for all stakeholders.

Kirsten Miller


+612 8934 3418
[email protected]

Kirsten has been an asset to The Cohen Group team for the last 8 years. Her service to the company has been greatly appreciated taking charge and assisting business management operations to ensure the Costi Cohen team is diligent and efficient.

Her warm personality and high standard of work make her a key player in back-of-house operations at Costi Cohen.