International Counterintelligence Services (ICSWorld) stands out as a reputable private investigation agency with a long-standing history dating back to 1967. The firm employs a diverse team of highly credentialed experts available 24/7 through their rapid response system. ICSWorld's investigators are licensed, bonded, and insured, with many having backgrounds in law enforcement, military, and intelligence agencies. They handle cases of all sizes with discretion and professionalism, ensuring client confidentiality while offering services across the United States and internationally1.

With a team of highly experienced attorneys spanning over 15 languages, Hughes Hubbard's Global Investigations, Enforcement and Compliance practice has conducted investigations in more than 90 countries1. The firm's expertise covers a wide range of areas, including anti-corruption compliance, economic sanctions, and multilateral development bank matters. Notably, Hughes Hubbard has argued and won more corruption cases before the World Bank Sanctions Board than any other firm, demonstrating their proficiency in handling complex international legal investigations1.

DLA Piper offers global investigative services with a presence in over 40 countries, specializing in complex issues such as bribery, corruption, and money laundering1. Their extensive international network allows for effective handling of cross-border investigations. Meanwhile, International Security Services, Inc. (ISS) provides a comprehensive range of overseas investigations for both business and personal needs2. ISS's services include intelligence assessments, corporate espionage prevention, and due diligence research, with a focus on adhering to local laws and regulations to ensure legally compliant investigations.

Specializing in international private investigations, Hodson P.I., LLC boasts an extensive network of experienced professionals across the globe. The firm, led by renowned investigator Justin D. Hodson, CPI, has successfully managed cases involving subjects who travel or relocate abroad1. Complementing this expertise, Epiq's Global Investigations Practice Group offers comprehensive discovery solutions for government investigations and related litigation. Their team, comprising former litigators, law enforcement officers, and data professionals, utilizes cutting-edge technology and artificial intelligence to provide early intelligence on potential legal liabilities2. Both firms emphasize compliance with local laws and regulations, ensuring investigations are conducted legally and ethically in various international jurisdictions.