Sonia Castro serves as the Office Administrator at Absolute Efficiency Group. She provides vital operational support by overseeing documentation completion and regulatory submissions across all building performance inspection services.

Her core strengths lie in compliance administration, cross-functional organization, and navigating complex sustainability certification frameworks. Sonia specializes in green building standards, leveraging her expertise to support her team’s energy consultation services.

At Absolute Efficiency Group, she streamlines administrative workflows to ensure project documentation moves efficiently from initial field testing to final compliance approval. Her dual expertise in office management and green building standards makes her a critical bridge between field operations and certification bodies.