HSEIA (health, safety and environmental impact assessment) is a systematic process of identifying the impact of existing, new or substantially altered projects related to safety, health and environmental management. Applus+ delivers HSEIA services help our clients demonstrate: compliance with HSE legislation and standards; that all HSE hazards, including major accident hazards and occupational health hazards, have been systematically identified, assessed and mitigated; and that issues from the health the safety and environmental impact assessment have been mitigated.