Sigma's reach is global, with an experience base of greater than 500 successful projects in over 40 countries and a broad range of services through teams of specialists focusing on three major value streams:

• Technical Advisory and Consulting, Risk Management and Expert Analysis, and Merger & Acquisition advisory;
• Asset Strategies and Optimization; and
• Design Engineering, Project Management and Construction Support.

These services are bundled within two business units: Advisory Services and Engineering Services.

Within the Advisory Services group, Sigma provides a full spectrum of transaction services from technical advisory, including independent engineering, feasibility studies and technology assessments, and transaction advisory, including financial modelling, risk assessment and structuring. These services span the life cycle of a transaction from initial screening and due diligence, through financial closing, transition and project optimization.

Within the Engineering Services group, Sigma provides technical and management support for the development, design and operation of energy facilities and infrastructure for utility, industrial and institutional applications. Sigma’s services span the full spectrum from planning and sitting through licensing and permitting, engineering, procurement, construction management, and start-up and testing.