About Us

About our leading company

H G Nielsen & Co Pty Ltd is a roofing company that has been operating in Sydney for 41 years.

The company holds a current Builders License in NSW (Lic No: 16203). The company is also a member of the Roofing Industry Association of NSW. We have all current insurances that are required. We work in all areas, including interstate. Thomas Nielsen, the director also personally holds a Builders Licence and has over 26 years’ experience in slate roofing.

H G Nielsen & Co Pty Ltd has a reputation within the industry for high quality workmanship. Our success in the industry is a result of the pride taken in our work and always delivering personal service to ensure great quality projects.

Why Choose Us?

Make us your first choice for slate roofing, heritage roof renovation & shingle roofing in Sydney and the North Shore. We have unique skills and methods which mean we:

  • Get the job done authentically
  • Meet your schedule at the quoted price
  • Deliver longest life roofing solutions, without risk or inconvenience


Only the highest quality tradespeople are employed. Our tradesmen are trustworthy and reliable. We do not use contractors, only employees. So you are assured of great quality work.

Your home and surrounds will be kept neat and tidy as we clean up every day. Our polite tradesmen will ensure minimal disruption to you and your family.

We pride ourselves on our work and our honesty. Good communication throughout the project will ensure you always know where you stand with us. Each project receives our personal attention so your roof is completed to the highest possible standard.

We have been established for over 40 years and have won Awards of Excellence for our slate roofing & also for our roofing shingle work. We are proudly an Australian family owned and operated company. Being established since 1969 gives you the peace of mind that we will fulfil our obligations.

The trusted name in roofing solutions

All of our products and materials are of high quality and meet all relevant standards. We also hold a Builders Licence. This superior building knowledge gives us the edge over our competitors.

We are a members of the Roofing Industry Association of NSW. This helps us keep up to date with any changes in the industry.

We carry all necessary insurance and have an accredited Occupational Health and Safety System in place.

Our reputation is your guarantee. You will be 100% satisfied with your roof and our service.