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Trent Gallagher | Colliers | Sydney South

Trent Gallagher

National Director, Property Sales & Leasing | Industrial

Licence 20081015

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Professional Summary

Trent has been in the real estate industry for over 14 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 commercial and industrial properties from which he has gained immense property knowledge. Since coming to Colliers International, he has excelled across the property spectrum and has become known for his hard work becoming the leading agent in the Sutherland Shire, St George, South Sydney, South West and the Inner West markets.

Trent has been involved in some of Sydney’s most notable sale transactions which includes the old Toyota HQ at 13 Endeavour Road, Caringbah and the Qantas investment and land portfolio at Mascot. 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.



  • 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

Memberships & Involvements

Association of Industrial and Office Properties


Privates, Institutional and Developers



Development Sites

Service Lines

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

Property Type

Industrial, Land, Office, Residential, Retail

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Featured News

15 Dec 2021

Developer pounces on prime South West Sydney industrial site

A prime 10,416sqm development site in South West Sydney has sold to a private developer as demand for scarce industrial land puts upward pressure on prices.
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9 Nov 2021

Industrial prices look to exponentially rise off the back of historic Qantas deal

A new era of multi-warehousing is set to push prices for industrial development sites across Sydney sky-high, as the impact of the $802 million Qantas deal is felt across the market.
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