Ethics Hotline Contact

Sener in Australia

We deliver engineering and advisory services to major road, rail and infrastructure projects in Australia and across the world.

A global leader in infrastructure

At Sener in Australia we deliver innovation and value engineering to improve the outcome of infrastructure projects and programs with special emphasis on integration of complex systems. The group focuses on supporting our clients in following markets, Mass Transit, Rail, Roads & Highways and Sener’s specialist New Technologies.

Sener in Australia was formed when Sener acquired 60% of Tactix Pty Ltd in October 2022. Together we are the most comprehensive Infrastructure advisory and delivery firm in Australia with the ability to combine local on-shore expertise with a ‘front office’ team of approximately 285 SMEs and the global ‘back office’ of Sener we apply our multidisciplinary knowledge to achieve comprehensive solutions.
Sener in Australia can tailor solutions to meet every project need. Bringing real global commercial experience and practicality, ensuring greater value engineering and buildable designs.
+ 220
Australian projects
$1.86 B
annual turnover
key office locations
Recreación transporte urbano moderno
Global experience right on your doorstep
Tailored Solutions

Our services are complementary both to either the client, the constructor, certifier, financier, operator or maintainer which allows us to deploy our services to meet the demands of the Australian market requirements.

Bespoke Consulting

We provide our clients high value consulting services aimed at achieving outcomes through collaboration and the implementation of practical solutions.

Project Integration

We have the capability and expertise to form a
long-term partnership for the full life cycle of major projects. Our flexible and tailored solutions to meet client and project needs, including the commercial proposition, allows us to deliver design, systems assurance and systems integration into one unique offering.

Our markets

Consulting & New Technologies

Our history, together with the experience of our professionals, has equipped us with in-depth technical and sector knowledge. We provide our clients with high value-added consulting services aimed at achieving their goals through collaborative work and the proposed practical solutions. We cover the transport, mobility and logistics value chain in a broad sense,

Urban Transport

In more than three decades of experience, we have helped improve the mobility of millions of people in more than 50 cities on five continents, developing more than 70 efficient,


We have been providing technical rail engineering services for more than 30 years to improve intercity high-speed rail connections in Europe and America. Our projects include the lines between London and Birmingham or between San Francisco and Los Angeles.


Roads are a structural element of the utmost importance for economic and social development, and require significant investments. We are well aware of this,


An airport is one of the most complex infrastructures in the transportation field. They are projects of great technical and operational complexity that require a transversal knowledge of technologies.


We develop quality architecture, adapted to its environment and applying technology to make our spaces more comfortable. We have multidisciplinary teams of architects,

Ports & Coasts

Our history spans more than 500 different port projects, in more than 140 ports in 40 countries. We cover all areas of engineering and consulting (from planning to design and construction oversight),

Renewables and storage

At Sener, our journey in the renewable energy industry got underway in the 1980s, when we started up our first solar projects. This path has led us to be pioneers in the development of cutting-edge technology and to contribute to more than thirty solar thermal plants around the world,

Offshore wind

We have been offering wind and other marine energy solutions such as wave energy for years, as well as having the capacity to cover a wide range of services throughout the entire lifespan of a wind farm project.

Water & Environment

We provide consulting services and develop hydraulic engineering projects for all phases of the comprehensive water cycle: from the catchment of water resources to its storage,

Collective Expertise

We bring strength and competitive advantage when developing, tendering and delivering projects to our clients. Learn about our main areas of expertise.


06.24.2024 Roads & Highways / Australia
06.24.2024 Subway / Australia

Get in touch

Check our ofice locations

We have dedicated offices in Sydney and Melbourne, as well as teams and associates in every other major state and territory.

Sydney, NSW / Australia

Level 3, 80 George Street The Rocks Sydney NSW 2000 Australia

Melbourne, VIC / Australia

Level 12, 376 – 390 Collins Street Melbourne VIC 3000 Australia

Dubbo, NSW / Australia

Unit 1, 20 Talbragar Street Dubbo NSW 2830 Australia

Newcastle, NSW / Australia

2/33 Darling Street, Carrington NSW 2294 Australia

Brisbane, QLD / Australia

Level 1, 88 Tribune Street South Brisbane QLD 4101 Australia

Ballarat , VIC / Australia

2/20 Selkirk Drive, Wendouree VIC 3355 Australia

Adelaide, SA / Australia

147 Melbourne Street, North Adelaide SA 5006 Australia