Discover Seadar Contractors.

delivering quality & experience Since 2014.

About Us

Seadar Contractors are fast becoming the contractor of choice for FRP and Civil Works across New South Wales and Queensland. Established in 2014 by Seamus Galvin and Daire Carolan, Seadar Contractors have achieved consistent growth year-on-year, expanding from 15 employees in 2014 to over 100 full-time staff today.

We are specialists of formwork, reinforcement, and concrete, and apply our knowledge and skill base across the infrastructure, road, bridges, and civil works sectors. Seadar Contractors offer a complete service to our clients from pre-tender budgets, complex engineering, and project programming. We have built our reputation with a client focus and hands-on approach, and through our relentless attention to detail to ensure client satisfaction.

Seadar operates a family-like culture across the company, ensuring our employee’s well-being and safety is maintained above all else. In return we have retained a variety of skilled, reliable, and dedicated staff. We have our people at the forefront of our company, and we recognise our continuous growth and success as a direct result of their great attitude and performance.

Seadar Construction - About Us
Seadar Construction - About Us

Our Values

Our growth over the past couple of years is down to our core values:




Effective Cost Management



These values are passed down through the company to all staff. A trust has been developed within the company, which our employee’s know as “A good days work, is a safe days work”. We strive to deliver innovative solutions and high quality service in formwork design and complete construction solutions.

Our Team


Jointly founding Seadar Contractors in 2014, Seamus Galvin is one half of the pair that have made Seadar the winner it is today. Seamus has over 20 years’ experience in the construction industry across Ireland, the UK and Australia. Having spent many years working for Tier 1 construction companies directly, Seamus knows the level of quality and performance expected on Australia’s large infrastructure projects. With both his practical and professional experience, Seamus manages the Seadar team effectively to ensure they deliver to the highest standard.


Daire Carolan is the second part of the duo that formed Seadar Contractors, beginning his working life as a tradesperson, Daire has been in the construction game all his career, gaining experience and knowledge of every aspect of the construction world. Daire understands the necessities required on site to deliver a project successfully, and with safety as his priority, Daire visits each site daily guiding the Seadar crews to achieve their project’s goals.

At Seadar we enjoy taking on new challenges and our constantly widening our portfolio. We gain great satisfaction in completing projects safely, on time and within budget. This has secured a return client base and developed a great network of communication between client and subcontractor. Our current workforce represents a cohesive, well-integrated team whose experience and time spent working together over recent years have been a key contributor to the success of Seadar Contractors and the completion of many projects.

Our Projects

Seadar Contractors has a broad portfolio of successfully completed projects across a range of sectors including Infrastructure, Road, Rail and Bridge Structures. We have worked alongside large global clients including Samsung, CPB and John Hollands and many more. We are constantly building our portoflio and enjoy taking on new challenging projects.

Our Clients

Seadar Contractors are proud to have worked alongside large global clients including Samsung, CPB and John Holland and many more.

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