
Engineering
Integrated engineering that performs.
LEO A DALY is an integrated design firm focused on whole-project performance. For more than a century, our engineers have collaborated in multi-disciplinary teams to achieve harmony between form and function in the built environment. Our projects set new standards for high-performance design, enhancing our clients’ operations with functional, efficient, sustainable and maintainable solutions.
Our services include:
- Mechanical engineering
- Electrical engineering
- Structural engineering
- Civil engineering
- Architectural lighting design
- Building technology systems
- Fire/Life Safety
- Energy Modeling & High Performance Design
- Commissioning

Resiliency Roadmap for 2023: Design Strategies for Resilient Buildings
What is resilience? It's the ability to adapt to changing conditions and maintain or regain functionality and vitality in the face of stress or disturbance. Stress or disturbance could be ...

Nick Lassek, PE, promoted to lead high-performance design
A mechanical engineer and commissioning agent, Lassek will work with all disciplines to embed high-performance design in projects across the firm ...

Nic Johnsen leads Fire Protection Engineering
Johnsen’s holistic approach adds value through performance-based design, informed by contracting and risk-management experience ...
Engineering Services
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