HESIS specialises in the design, installation, commissioning and maintenance for Mechanical & Electrical and Fire & Security across the UK. As a leading provider in M&E and Fire & Security, focusing on Customer Service, Safety and Value for Money - we don’t provide off the shelf solutions. We listen to our customers, analyse their needs and design bespoke packages that fit their business needs. Our customers -of all shapes and sizes - include end users, NHS Trusts, National Blue Chip companies and National Building Contractors.