Helping Our Clients Uncover The Truth and Protect What Truly Matters
Helping Our Clients Uncover The Truth and Protect What Truly Matters
Led by a retired FBI Special Agent, Attaché Investigations delivers elite investigative, security, and executive protection services, trusted by corporations, legal teams, and high-profile individuals nationwide.
Custom Tailored Services
Attaché Investigations specializes in expert investigations, security consulting, and executive protection. Whether you’re safeguarding a high level business executive, seeking critical information on your case, or strengthening your organization’s security, our team delivers precise, discreet solutions tailored to your needs.
Our Mission
Attaché’s mission is to uncover the truth, mitigate unseen threats, and provide peace of mind so clients can focus on what matters most. Guided by the FBI’s core values of Fidelity, Bravery, and Integrity, we deliver trusted investigative, security, and executive protection solutions through a nationwide network of former FBI agents and global experts.


Timothy G. Denny
Chief Executive Officer & Founder of Attaché
Timothy G. Denny is the founder and CEO of Attaché Investigations, LLC, a firm specializing in investigations, security services, and executive protection. He brings over two decades of experience as a Special Agent with the FBI, where he served on high-level task forces in New Orleans and internationally, including organized crime units in Budapest, Hungary. Throughout his career, Mr. Denny has led complex investigations involving espionage, fraud, counterintelligence, and violent offenses, and has provided expert testimony in both federal and state courts.
We Provide Comprehensive Solutions Around The Globe
We Provide Comprehensive Solutions Around The Globe
We Strive For Excellence No Matter The Scope
At Attaché Investigations, “service” is just the starting point. We work as an extension of your team, proactively identifying key aspects and closing gaps to deliver customized solutions that align with your needs. Whether it’s in-depth investigations, security consulting, or executive protection, our team brings the mindset of a trusted partner, not just a service provider. It’s this deeper level of commitment that sets us apart and earns us long-term trust from our clients.



