Since 1999, TSSD has continuously expanded its expertise to support the evolving nuclear and energy landscape — from decommissioning and environmental remediation to power uprates, new build projects, and renewable energy initiatives.
TSSD is a trusted partner for governments, utilities, and industrial operators navigating complex organizational and nuclear challenges.
With recognized expertise in organizational change management and nuclear decommissioning, TSSD supports critical projects from strategic planning through execution.
Our multidisciplinary teams provide consulting, management support, and technical expertise across organizational transition, staffing and workforce planning, project execution, financial oversight, regulatory compliance, and litigation support — helping clients deliver safe, defensible, and successful outcomes.










