David Allison

David Allison is the Founder and CEO of Octaga Security Services, which he established in 2001 as Pilgrims Global Ltd following a distinguished career serving with the Elite 1st Battalion the Parachute Regiment and then with UK Special Forces 22 SAS. The company rebranded as Octaga in 2004 and incorporated Octaga Risk Management in 2010. Allison founded the firm to address what he identified as a significant gap in specialist security competency and to establish world-standard regulatory systems.

Octaga provides due diligence, investigations, protection and security services to corporate clients, family offices, and HNW/UHNW individuals and private offices, with geographic expertise spanning the UK, Europe, Asia-Pacific, China, Russia and Uzbekistan. The firm distinguishes itself through in-house specialists covering personal protection, surveillance operations and technical security engineering. Allison is listed as a Top Recommended adviser in the Spear's 500 Security, Intelligence & Investigations Index (2025).