Protecting today,
preparing for tomorrow
Clear communication is our priority, and our network enables us to proactively identify threats on your behalf.
Ed supports some of the world’s well-regarded law firms, private equity houses, family offices, and HNWs. He is trusted to protect them, their people, and their assets and provide them with the cross-border intelligence they require to make well-informed decisions.
He has supported clients globally, leading complex intelligence and security assignments in the UK and abroad; working for high-profile individuals and internationally recognised brands.
Prior to founding Marengo, Ed spent 12 years in the security and intelligence sector and served as a reconnaissance officer in the British Army.
Edward Nicole
Thorold brings over three decades of extensive multi-jurisdictional and cross-domain experience, having held senior executive leadership and consulting roles across a spectrum of organisations, from small enterprises to large global corporations. Drawing on this wealth of experience, he specialises in guiding teams and individuals to strategically drive efficient, sustainable growth, optimise business models, and build high-performance organisations.
Thorold worked in the British Army in a variety of dynamic environments, leading to senior roles in the professional services, pharmaceutical, venture capital and advisory sectors in the UK, Hong Kong, New York, and Miami.
Thorold Youngman-Sullivan
Mathew brings over 30 years of expertise from his distinguished service in the Metropolitan Police. He has worked in covert policing, counterterrorism, and high-level armed security, collaborating with UK Special Forces and the Ministry of Defence to combat organised crime and terrorism.
A key contributor to the Counterterrorism Operations Centre (CTOC), he specialised in command and control for high-profile national events, including leading armed policing operations for the funeral of Queen Elizabeth II. His expertise includes covert surveillance, hijack and siege scenarios, hostage rescue, close target reconnaissance, and advanced driving.
Mathew Davis
Charlie has spent over 25 years leading expert teams of former government specialists, delivering solutions for government officials, corporations, high-net-worth individuals, family offices, and lawyers. Previously, he served over 20 years in the UK military and has worked across military, security, and intelligence agencies with the highest level of security clearance.
An industry expert in corporate and financial intelligence, Charlie is regularly asked to speak at high-profile seminars. He specialises in asset tracing, reputation management, enhanced due diligence, and pre-market analysis. His global human intelligence network provides insights beyond conventional sources, helping clients avoid costly mistakes and seize opportunities.