Portman Square Group (PSG)

Portman Square Group (PSG) is a global firm specializing in business intelligence and strategic communications for sectors such as finance, energy, manufacturing, and law. PSG provides due diligence, investigations, cybersecurity, and crisis management to help clients protect assets, manage risks, and resolve complex challenges. Core services include asset tracing, litigation support, threat assessments, and public affairs. Our team’s diverse backgrounds in intelligence, law enforcement, military, and public policy enable us to provide strategic insights and critical information in high-stakes environments. PSG’s expertise in cybersecurity includes personnel vetting, insider threat prevention, and social media monitoring to safeguard brand reputation and operational continuity. In communications, PSG supports clients through media relations, crisis communications, and strategic messaging to manage public perception and mitigate reputational risk. Our tailored, data-driven approach helps clients make informed decisions and maintain resilience in volatile markets​​​.