Sigma-HSE was formed in 2012 in Winchester, UK. Our vision is to provide a single source of expert knowledge regarding process safety in the work environment. Our broad range of consultancy services include, ATEX/DSEAR Assessments, HAZID/HAZOP Studies, SIL/LOPA Assessments. We have the expertise to facilitate COMAH needs and to meet Process Safety Management requirements.
Our Materials Flammability & Chemical Reaction Hazard testing laboratory in Winchester has the capability to provide you with all your flammability and chemical reaction data.
Our sister company "The Environmental Laboratory Ltd. (ELAB)" provides contamination testing of water, soil, and air for industry as part of compliance for Environmental Agency Standards and development of brownfield sites.
Our laboratories work to ISO/IEC 17025 quality standards and provide quality, reproducible results at competitive rates.

Sigma-HSE is a fast-growing organisation in the fields of health & safety and the environment, with bases in Europe, Asia and the Middle East, and have associated partnership in USA.

Contacting Sigma-HSE :
Addresses and Information on how best to contact us.

Contact us

Decades of combined Process Safety experience

Our Mission

To provide world class Process Safety Support to our customers worldwide; to guide them towards legal compliance, to minimise harm to people and the environment and maximise financial performance.

Our Promise

To inspire our customers to think about Process Safety and to deliver real-word solutions in a cost-effective and timely manner

We Are One Team

Our colleagues make the difference. It is when we share our skills, knowledge and experience we become one team. We value the contributions of all our colleagues with different backgrounds and expertise.


We are looking for smart individuals who want to have a positive impact on the world. If that’s you, visit our Careers page or send us a CV at: recruitment@sigma-hse.com

Industries We Serve