Expertise.

Ageing municipal assets, climate change impacts, increasing community expectations, and complex regulatory requirements, have all shifted the dynamics of infrastructure projects.

At Sequana, its extensive experience in leading and delivering major, complex capital projects – along with the recovery of distressed projects – offers unique insights into what drives projects to succeed and what factors undermine outcomes.

With a track record as extensive as it is deep, Sequana has successfully managed some of the largest capital projects and programs including desalination, wastewater management, large-scale irrigation schemes and climate resilience initiatives.

As a business, Sequana stands apart in its commitment to client success.

Its practitioner-led culture, enriched by real-world experience, empowers the team to be agile and develop pragmatic solutions to ensure project sustainable outcomes.

United by shared values and collaborative practices, Sequana forges strong partnerships with its clients, Traditional Owners, stakeholders and communities, to consistently deliver high-quality and timely results.

Sequana deliver seamless, end-to-end water, environment and energy solutions that drive enhanced value and project outcomes.

Sequana confidently oversees every aspect of project delivery from strategy, inception and planning to design, approvals, procurement through to execution, construction and long-term asset management.

Sequana connects the dots across the entire infrastructure lifecycle with its unique full-service capability.

Sequana operates proudly as an independent business, offering the expertise of a boutique consultancy with an agile and fast-paced approach.

This independence allows Sequana to deliver exceptional service, providing its clients with the best of both worlds.

As an organisation, Sequana is nimble and agile, directing resources to projects across water, environmental and renewable sectors, not administrative overhead.

Sequana brings together highly skilled water, environment and energy practitioners, community leaders and leading subject matter experts.

Its team understands the full project lifecycle—and its clients—inside and out. With firsthand experience working within organisations similar to that of their clients, Sequana offers strategic advice, leadership, and management that reflects a deep appreciation of their clients’ goals, challenges, and operating environments.

This hands-on experience and unique insight enables the team to offer practical insights and real-world solutions to every project, ensuring tangible outcomes and lasting impact.

Sequana brings together a team of highly experienced professionals with diverse backgrounds across infrastructure, water, environment, and energy. Combining technical precision with real-world insight to navigate complex projects and deliver sustainable solutions that benefit both communities and the country.

Sequana specialises in building inclusive governance and leadership teams that reflect the communities it serves—ensuring decisions are grounded in lived experience and aligned with local expectations. The result? Solutions that are not only technically sound but socially meaningful and future-focused.