The Best Team for the Job

We establish positive partnerships with organisations ranging from leading blue-chip companies to universities, research institutes and small consultancies, in order to provide clients with the best team for the job.

For example, Quintessa is one of the four core companies in the Nucleus Alliance of small and medium sized companies that provide specialist nuclear services including research, waste management & decommissioning, and safety case management.

We’re proud of our association with the following organisations.

Abbott Risk Consulting


AMEC Foster Wheeler


British Geological Survey

Centre d'Etudes de l'Energie Nucleaire

Eden Nuclear and Environment

Galson Sciences

Geofirma Engineering

Golder Associates

GoldSim Technology Group

CH2MHill / Halcrow  

Jacobs Engineering  

JGC Corporation    

Lloyd's Register

MMI Engineering

NSG Environmental  

QJ Science (formerly Quintessa Japan)

SENES Consultants


TUV SUD Nuclear Technologies

University of Bath

University of Birmingham

University of Edinburgh

Vulcain Engineering