Skip to main content Skip to footer
Trent Gallagher | Colliers | Sydney South

Trent Gallagher

National Director

Licence 20081015

Call now
View More


Professional Summary

Trent has been in the real estate industry for over 15 years and in that time, he has thrived in this competitive industry and established himself as one of the most highly esteemed agents within the industry. He has honed his skills in varied markets whilst specialising in development sites, commercial buildings and industrial properties from which he has gained immense property knowledge. Since coming to Colliers, he has excelled across the property spectrum and has become known for his hard work becoming the leading agent in the South Sydney, Sutherland Shire and South West markets.

Trent has been involved in some of Sydney’s most notable sale transactions which includes the Ausgrid owned mixed use development site at 130 Joynton Ave for $183M, the old Toyota HQ at 13 Endeavour Road, Caringbah for $170.5M and the Qantas investment and land portfolio at Mascot for $802M. Trent has also been involved in some of Sydney’s most notable industrial and commercial leases along with notable pre-lease transactions which includes the new 18,000m Harvey Norman warehouse at Casula.

Trent continues to endeavour to be at the forefront of the industry with innovative methods in canvassing, marketing and strategic sales. He strives to actualize the goals of his vendors and work hand in hand with prospective purchasers to ensure all parties achieve the best result efficiently.

Trent takes personal pride in his responsibilities to his clients and delivering service excellence across a variety of situations with his experience and knowledge to recognise and assess any industrial, commercial, retail or residential development site requirement. His assembly of long term clients is a testament to his commitment to his work and ensuring he delivers the best result every time.



  • 2021: Top 2 Revenue Earner within Colliers International Australia wide   
  • 2021: Media Star Industrial NSW   
  • 2020: Top 2 Revenue Earner within Colliers International Australia wide   
  • 2020: Outstanding Revenue Achiever   
  • 2019: Colliers International NSW Employee of the Year
  • 2019: Top 3 Revenue Earner within Colliers International Australia wide   
  • 2018: Outstanding Revenue Achiever 
  • 2018: REI Commercial Salesperson of the Year Finalist 
  • 2017: Colliers International National Employee of the Year 
  • 2017: Industrial NSW Highest Revenue Earner
  • 2016: Industrial NSW Highest Revenue Earner  
  • 2015: Industrial NSW Highest Revenue Earner
  • 2014: Industrial NSW Highest Revenue Earner   
  • 2013: Best Client Service
  • 2013: Top Client Paid Marketing 
  • 2013: $500,000 club
  • 2012: National Rookie of the Year


  • 2017 - Present | National Director, Property Sales and Leasing, South Sydney - Colliers
  • 2016 - 2017 | Director, Industrial 
  • 2014 - 2016 | Assoicate Dircetor, Industrial 
  • 2012 -  2014 | Senior Executive, Industrial 
  • 2010  - 2012 | Executive, Industrial  - Colliers

Memberships & Involvements

Association of Industrial and Office Properties


Leda Holdings, Logos, Goodman, Mirvac, Ausgrid, Charter Hall, Trumen, Altis, EG Funds, Aliro, Landmark Group, Abacus, Oscars Hotels, Ampol, Fife Capital, Dexus, Nashcap, Gateway Capital, Norman Property Partners, Stockland, Deicorp


"The last two months would have to go down as the most extraordinary that Marg and I have ever experienced at Kirby Holdings. Thank you to each and everyone of you, as well as your extended teams, for working so incredibly hard on this project to achieve such a monumental outcome. The level of skill and professionalism displayed by everyone involved is exactly why we entrusted out most valuable legacy with you."

Helen Kirby, Chairman | Kirby Holdings


"This letter will serve as my very high letter of recommendation for Trent Gallagher at testimonial relating to a recent sale of our property at 109 Cronulla Street, Cronulla. I have worked with many Real Estate agents on many real estate transactions over the years and can say with confidence that Trent Gallagher is the best agent I have ever used.

Trent has the qualities that make him an extremely successful and effective commercial agent. I can’t say enough about his professionalism and knowledge within the industry. He has high integrity and is very conscientious and tenacious, always keeping the clients best interests in mind.

I have the highest level of confidence in Trent and feel he would be able to properly access any situation and figure out an effective solution. In future transactions."

Duarte Cristovao | Citi Constructions




Development Sites, Auctions, Residential Development Sales, Warehouses, Bulk Retail, Land Sales, Lease Advisory, Mixed-Use Properties, Self Storage

Service Lines

Residential Sales, Industrial Investment Services, Industrial Leasing, Industrial Advisory

Property Type

Industrial, Land, Office, Residential, Retail

My Team

Featured News

1 Aug 2022

Rare large-scale industrial investment opportunity in South-West Sydney destination precinct

Land holding of 11,778 square metres with a total building area of 8,620 square metres in one of the leading industrial markets in Sydney, comes to market.
Read More
13 May 2022

Generational development site in Five Dock listed for sale

One of Sydney’s largest mixed use development sites has been listed for sale via Colliers’ agents James Cowan, Matthew Meynell and Trent Gallagher.
Read More
View More

How can I help you?

* Required Field