Extensive Experience in Maintenance Dredging, Capital Works Dredging, Reclamation Works, Mining Dredging, and Ports & Harbour Dredging.


Leading Australian Manufacturer of High-Quality Winches, Cable-Handling Equipment, Hydraulic Powerpacks and Dredging Equipment.


Neumann Fabrication Specialises in High-Quality Complex Steel Fabrication and Installations for the Civil, Mining and Oil & Gas Industries.

Neumann Engineering Services

Engineering consultancy focusing on mechanical engineering, product development, hydraulics and pneumatics.

Neumann Industrial Coatings

Quality Abrasive (Sand) Blasting using Steel Grit or Crushed Glass.
Professional Industrial Spray Painting for Industrial Plant and Marine Equipment.

Corridor Sands
Sand Supply

Processing and Delivering
Quality Sand Products.
Servicing Gold Coast, Logan, Redland Bay, Ipswich and Brisbane Regions.


Highly Skilled Professional Team Delivering Innovative and Customised Metal Fabrication and Water Treatment Plant Maintenance Solutions.

Australian Owned Badge

100% Australian Owned

More than 70 years Experience.

Specialists in

  • Dredging
  • Mining
  • Quarrying
  • Dredge Building
  • Sand Supply
  • Mechanical Design
  • Engineering Consultancy
  • Cabling Equipment
  • Dredging Equipment
  • Marine Equipment
  • Hydraulic Powerpacks
  • Abrasive Blasting
  • Winching Equipment
  • Equipment Maintenance
  • Industrial Coatings
  • Steel Fabrication
  • Mechanical Engineering
  • Plant Maintenance

Providing Practical Innovative Solutions for:

And Many More...

Neumann Contractors Offers Expertise In:

Dredging service to major private and government bodies for infrastructure, development and maintenance dredging projects.

Dredging service to major private and government bodies for infrastructure, development and maintenance dredging projects.

Specialist in high-quality, complex steel fabrication and installation. 

We offer a range of services to meet the needs of our customers, including drafting and engineering by licenced professionals and complete design solutions.

Neumann Industrial Coatings has developed a strong reputation for quality craftsmanship in surface preparation and protective coatings.

Supplying high-quality natural sands since 2009.

Metal Maintenance specialises in metal fabrication, mechanical fitting, maintenance and building services for complex industrial plants, including desalination and water treatment plants.

About Us

Formed in 1948, the Neumann Group is a family-owned business that employs over 500 people across our regions.

Neumann Contractors Pty Ltd is a multi-faceted industrial company that specialises in dredging and related civil construction, equipment manufacturing, steel fabrication, abrasive blasting, industrial coatings, plant maintenance, and sand supply.

Neumann Contractors Pty Ltd is a Gold Coast-based company that is part of the Neumann Group of Companies. The company has over 50 years of experience in specialised contract dredging and dredge and equipment manufacturing.

Our customers benefit from a dependable contractor who collaborates with them to provide maximum value for products and projects.

Safety, Quality and Environmental Management Policy

Neumann Contractors strives to strengthen its position as an industry leader in dredging, equipment manufacturing, civil contracting, sand processing, steel fabrication, abrasive blasting, industrial coatings and plant maintenance.

We deliver projects, products, and services to exceed the expectations of our clients, business partners, regulators, and the wider community.

We are committed to maintaining our zero-harm culture as the norm, with everyone accepting personal responsibility for safety, quality, and environmental care, as well as the security of their coworkers.

Neumann Contractors should provide workers and others with the maximum level of protection possible against injury from work-related hazards and dangers.

Our business units have management systems that incorporate the requirements for the management of workplace health and safety, quality and environmental risks as part of our normal business operations.

Please refer to the individual business unit’s websites to see which certifications are applicable for that business unit.

Neumann Contractors has achieved external certification of our management systems to Australian and International Standards. The certificates held are:

  • AS/NZS 4801:2001 Occupational Health and Safety Management Systems,
  • ISO 45001:2018 Occupational Health and Safety Management Systems,
  • ISO 9001:2015 Quality Management Systems,
  • ISO 14001:2015 Environmental Management Systems.


AS/NZS 4801:2001
Neumann Contractor’s Occupational Health and Safety System is certified to AS/NZS 4801:2001 accredited by Sci Qual International.
ISO 45001:2018

Neumann Contractor’s Safety Management Systems is certified to ISO 45001:2018 accredited by Sci Qual International.

AS/NZS ISO 9001:2015

Neumann Contractor’s Quality Management Systems is certified to AS/NZS ISO 9001:2015 accredited by Sci Qual International.

AS/NZS ISO 14001:2015

Neumann Contractor’s Environmental Management System is certified to AS/NZS ISO 14001:2015 accredited by Sci Qual International.

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Visit the websites above for more detailed information on our services.