About Us


Verisys provides specialist testing, commissioning, validation/verification and other associated services. The company was formed in order to provide Commissioning Services to clients throughout the UK. Since formation in January 2010 Verisys has carried out works for commercial office landlords and tenants, design and build contractors, developers and owner/occupiers. We are a specialist team of engineers and pride ourselves in high levels of customer service and satisfaction. 


We provide a highly skilled, professional team with a wide range of experience. Our added value stems from our proactive and collaborative approach and our detailed input into the design process whilst providing management support. We

believe in a strong cultural affinity with innovation and a commitment to continuous improvement, this has enabled us to build long term relationships with an increasing number of client’s who value the difference we make to their success.


HVAC Commissioning & Testing

Commissioning Management

Commissioning Verification

Independent Commissioning Certifier

BREEAM Seasonal Testing

Building Services Surveys

Post-Occupancy Evaluation Service

Soft Landings

Validation / Quality Compliance

Water Treatment

Fume Cupboard Testing

Air Tightness Testing

Thermographic Surveys

Technical Documentation

Interactive Electronic Manuals 

2D & 3D AutoCAD Services