Castle Hill, NSW
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NSW Fair Trading
Registered Certifier
Licence #BDC04810
8/11/2022 to 8/11/2027
Last verified: 4 April 2026
Olsen Infrastructure Pty Ltd is a building certifier practice based in New South Wales, providing building inspection services across multiple building classes. Olsen Infrastructure Pty Ltd is rated 5 out of 5 from 13 Google reviews and reachable at www.olseninfrastructure.com.au.
The work they performed was of the highest quality and met all of my expectations. The team was also very communicative and kept me updated throughout the project, which was much appreciated. I would highly recommend Olsen. They are truly a top-notch company and I look forward to working with them again in the future. Thank you Tolsten for a job well done!
I had engaged Olsen Infra for a Sydney Water Servicing Coordination to get a building clearance for my retaining wall. The team was very professional, responsive and helped me get the necessary approval without any hassles in a very short period of time. I would highly recommend Olsen Infra and the team there.
Great service and highly recommend the team at Olsen. We have used Olsen's services for multiple jobs now and work is always done in a professional manner. Required documentation after works completed provided in a timely manner.
Olsen Infrastructure were most competitive amongst the total of 5 companies who responded to my request for a quote. Dealing with them was pure pleasure. They displayed everything: promptness, professionalism, friendliness, great communication skills and, the most important, quality final product. With great pleasure I would recommend this company to any prospective client.
Very professional business. We had an urgent request and they were very accommodating. Kylie is an absolute pleasure to deal with. I wish there were more operators like this around. Highly recommended.