Throughout the world, our towns and cities are evolving to meet the demands of population growth, improve the quality of living conditions, or develop new economic, heritage, and leisure areas.

Our future living standards will be heavily influenced by what we build today and how we design it. These transformations are essential for the future of our territories. They must also be conceived taking into account their effect on the environment and needs of residents and visitors such as clean water, reliable transportation, sanitation, and sustainability.

Supporting the development of major urban projects

In the next 100 years, urban populations are predicted to double in size. Numerous large urban programmes are being launched around the world: these urban infrastructure and facility development projects are being launched both to renovate of existing towns and cities and to create new smart cities on undeveloped sites.

These urban mega-projects require strong competences in planning and zoning to manage development sustainably, respecting the expectations of the client, the interests of all stakeholders involved, the technical and environmental constraints, and the local codes and regulations.

Developing sustainable infrastructures to accompany the territorial development

Large territorial projects feature multiple integrated sub-projects such as: development of large infrastructures, public facilities, utility networks, roads, flyovers, bridges and more.

Each component of these complex infrastructures must be anticipated and adapted to the requirements of each client and of each territory, according to local environmental, social and economic constraints. Advanced expertise in feasibility studies, master planning, engineering and project management is essential to coordinate the development of infrastructures that will ensure the sustainable growth of territories.

Managing water resource systems, storage and utility structures

In some parts of the world, development of the territory requires environmental adaptations and the provision of drinking water resources.

Consolidation of water resource systems, water storage, treatment of wastewater, and utility structures require specific investigations regarding the availability of natural resources to optimise their use for both domestic and agricultural benefit.

The impact of this type of structuring operation is significant for a territory to meet the objectives set by national governments.


Assystem's project management, engineering, industrial information systems and design skills support private and public sector clients and contractors in territorial and urban development. We examine and integrate the specific features of each infrastructure, using our multidisciplinary and cross-sector expertise:

Cities and urban development

Through the redevelopment of public spaces or conception of new urban areas, we combine quality of design with rigorous planning to ensure the technical feasibility of projects and their realisation aligned to client and regulatory requirements.

The success of these multidimensional urban projects lies in the complementary nature of our teams' skills: analysis and preliminary site studies, master planning, design, engineering, reviewing and upgrading of norms and standards, complete life cycle project management. The combination of all these solutions helps to guarantee the success of these projects, while respecting the environment, society, and the clients’ specifications.

In the age of Smart Cities, buildings must also be designed to fit into a larger and more coordinated vision in terms of more efficient energy consumption, workplace optimisation, and security. The design of tomorrow’s buildings will be just as important as systems engineering and traditional building construction. From conception to realisation, we support many complex buildings projects such as stadia, hospitals, factories, and retail centres.

Territorial infrastructures

As a true Owner Engineer, Assystem takes care of large and complex territorial infrastructure projects over their complete lifecycle.

Thanks to the many years of experience of our teams, particularly through our centre of expertise in India, we support owners, BOT operators (Build Operate & Transfer) and EPC contractors in the development of rural and urban roads, national and state highways, expressways, large and complex rail and road bridges over seas and rivers, flyovers in congested urban areas, and harbour infrastructures.

To coordinate such complex projects, we use our strengths in :

  • Socio-techno-economic feasibility,
  • Traffic studies,
  • Prioritisation and master plans,
  • Detailed design,
  • Construction supervision
  • and Project Management Office.


Assystem operates at the cutting-edge of infrastructure development, using its track record in complex project management and industrial information systems. We offer solutions to support all kind of industrial manufacturers and process industries for construction programmes, maintenance and operations, engineering design, and systems integration.

Our expertise in project management means we can meet our clients’ priority challenges: increased productivity, personnel safety, environmental and site protection as well as industrial cost control.

Our multidisciplinary project teams also help our clients take full advantage of the digital era moving towards industry 4.0, with data science and digital engineering solutions.

Environment and water development

Assystem has been providing water management services for decades around the world, Assystem has been providing water management services for decades around the world, particularly in India and the Middle East for:

  • Land use planning (urban and rural)
  • Large water treatment plants and supply systems (raw water to tap water)
  • The creation or modernisation of water supply systems
  • Wastewater collection and treatment

We also have expertise in waste collection and treatment, as well as in the production of electricity from the treatment of sludge from wastewater treatment plants.

Assystem offers a wide range of services in site characterisation, environmental and impact studies, and geosciences to comply with local regulations. Additionally, we manage projects using high-performance digital solutions to anticipate design choices defined during the design phase and to ensure the performance of architectural and engineering design for the development of infrastructures and public facilities. Sourcing solutions that favour sustainability, we also contribute to territorial development by supporting the utilisation of decarbonised energy options including nuclear, renewables, and clean hydrogen.


  • Masterplanning, zoning and urban design
  • Management of complex projects, from feasibility/design to the delivery of installations
  • Geosciences and environmental services
  • Using digital technologies for interface management and legacy inclusion (BIM…)

Learn more about our EngineeringDigital and Project Management activities.


Design and Construction Supervision of a bridge over Sabarmati river in India

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Project management consultancy for redevelopment of an airport at Republic of Maldives

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Environmental Screening and Appraisal of Saudi Islands

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