You are here

Sian Newnham

Sian Newnham


Sian advises mining, infrastructure and energy clients on projects and operational matters.



Sian specialises in advising clients in the mining, energy and infrastructure sectors. In the mining and energy sector, Sian advises clients on construction projects for the development and expansion of assets and also regularly assists with operational matters.
In the infrastructure sector, Sian has particular experience in relation to port and rail assets. Sian’s experience includes advising on access regulation for these assets. 

Sian has worked on greenfield project development and brownfield expansion projects for mines, power stations, LNG plants, solar farms and port and rail infrastructure throughout Australia and in Asia. Sian has significant experience drafting and negotiating contracts to suit various project delivery methods, including contracts for front end engineering and design study services, EPCM, EPC, construction and construction management agreements and major procurement contracts. Sian also has experience advising on security of payment claims.

For business as usual operations, Sian assists clients by drafting and negotiating key commercial contracts such as supply contracts,  long term operations and maintenance agreements for major plant and OEM equipment, contract mining agreements, port and rail access agreements, rail haulage agreements, asset sale and purchase agreements and marketing agreements for various commodities. Sian also advises on joint venture matters.

Sian has worked in house on secondment with mining and oil and gas clients on a number of occasions during her career, both to support projects and business as usual operations.

Sian’s recent experience includes advising:

  • DBCT Management on the 2017 Access Undertaking for the Dalrymple Bay Coal Terminal
  • Adani in relation to the proposed development of the Carmichael Coal Mine, including advising on contracts for the procurement of major mining fleet
  • Santos in relation to the Gladstone LNG project, including the EPC contracts for the development of both upstream and downstream aspects of the project and long term maintenance contracts for OEM equipment
  • Queensland’s Curragh mine in relation to the expansion of its CHPP and ROM rehandle upgrade project, including preparation of bespoke contracts and assistance with contract administration



Sian has a Bachelor of Commerce and a Bachelor of Laws from the University of Queensland and a Master of Laws from King’s College London.

Key Services

Key Sectors