Memberships & Accreditations

We recognise the importance of staying up to date with industry accreditations and certifications, further reinforcing our capabilities to deliver safety, quality, innovation and sustainability across every project we are involved in.



Acclaim SSP


ISO9001 - Quality Management System

ISO50001 - Energy Management

ISO14001 - Environmental Management System

ISO45003 - Psychological Health & Safety at Work

ISO45001 - Occupational Health and Safety


Achilles Building Confidence – Certificate of Audit

Achilles UVDB Certificate of Audit

RISQS Certificate of Audit

RISQ Certificate of Excellence

JGG Cyber Essentials


British Safety Council

Chartered Institute of Quality

CIRAS - Confidential Reporting for Safety

Construction Online Gold

Essex Chambers of Commerce

For Cause Service

GIRI - Get It Right Initiative

RoSPA Membership

SMAS Worksafe

The Green Organisation

ICO Registration

JGL become World Green Ambassadors

Last year we were awarded three prestigious Green Apple Environmental Awards, a Gold Award for Sustainable Development in Carbon Reduction and two further Bronze Awards for improvement and community benefit.

Following the win of three prestigious Green Apple Awards last year, JGL were hand-picked this year to become Green World Ambassadors by the The Green Organisation.

Trio of Green Apple Wins lead to World Green Ambassador status