SMEC Holdings Limited (formerly Snowy Mountains Engineering Corporation) is an Australian based-firm that provides consulting services on major infrastructure projects around the world.

The company provides engineering services for transport, hydropower and energy, water and environment and resources projects.

The work showcased Australian engineering, and in the 1960s the SMA was given projects in Thailand, Sabah, Papua New Guinea and Cambodia.

The company was wholly owned by the Government of Australia, and provided engineering consulting and project management services around the world.

[4][5] In August 2016 SMEC was implicated in alleged corporate bribery incidents in both Sri Lanka and the Congo, after the firm sought to secure multi-million dollar contracts in those countries.