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French Riviera Private Investigators

Since 1994 – Competitive and Realistic rates. PEACE OF MIND-CERTAINTY

Rated as one of the best private investigations and business intelligence companies in the world.

With headquarters in London and regional offices, all our local employees and subcontractors in French Riviera operate within the Monegasque legal framework, adhering specifically to French Riviera’s regulatory requirements for private investigators. This includes compliance with licensing requirements, conduct standards, and regulations governing investigation activities. We are dedicated to maintaining strict confidentiality standards in line with these regulations.

Full Private Investigation services Agency for private clients, business, lawyers, families and VIPs.

Exceptional Track Record: Proven Excellence in Private matters, Business and Corporate Investigations

LOI Investigations established investigators since 1994 with an independently audited 98.9% success rate (March 2024) in private matters, business and corporate investigations, intelligence. Also cryptocurrency, Bitcoin pre-due diligence, as well as missing or stolen funds trace and recovery.  Our expertise includes but not limited to Cyber Security, Technical Counter Surveillance, and Business Intelligence, all customized to French Riviera’s distinct business environment, financial assets, trusts and SPV‘s. We provide specialized services in Relationship Matters, and Family Law issues, investigations focusing on high net-worth and high-profile individuals during pre and post-divorce proceedings, specializing in asset and lifestyle evidence gathering. Asset Tracing & Fraud Investigation, Background Checks, KYC services, and Global Database Access. Committed to a broad spectrum of investigations and intelligence gathering, we operate both locally in French Riviera and on an international scale.

Difficult and unusual cases, hidden and hard to obtain information. 
Totally confidential.

Call now for a free consultation

International Free Toll: + 44 800 1 934 999

Calls answered 24hrs a day by qualified local private investigators in French Riviera

Why Choose LOI Local private investigators in French Riviera?

  • Originally established and trading since 1994.
  • Experienced Team: Recognised worldwide leading investigation and intelligence professionals, also including former military intelligence officers and senior surveillance experts.
  • Tailored Solutions & Advance Technology: Each service is customized to meet the unique challenges and objectives of our private, business, and multinational clients.
missing persons investigation

Relationship Matters, Family Issues and Divorce

Dealing with family issues and divorce? Line of Inquiry offers specialized private investigator services in French Riviera to assist in personal and financial matters, including hidden assets, pre-divorce background checks, and post-separation surveillance. Whether you suspect infidelity, need to assess financial status, or are concerned about child well-being, our experienced investigators handle these delicate situations with discretion and sensitivity. Contact Line of Inquiry to navigate family disputes and divorce with confidence and peace of mind.

Business Intelligence

Critical for strategic corporate decisions, our business intelligence and due diligence services in French Riviera are integral to navigating acquisitions, mergers, and forging new partnerships. We provide in-depth insights and analyses to inform and empower your significant business moves.

Technical Counter Surveillance

In an age where privacy and security are increasingly threatened by advanced technology, LOI Investigations offers robust technical counter-surveillance services in French Riviera. Our expert team, comprising former FBI agents, and hacking specialists, is dedicated to protecting both residential and commercial properties from surveillance equipment. We locate and dismantle invasive devices, identify culprits, and provide detailed reports to ensure our clients’ privacy and security. Whether for personal or business needs, our tailored services stand as a crucial shield against modern surveillance threats.


Private Clients

We at Line of Inquiry offer a range of services for private clients, including missing persons tracing, background checks, surveillance, and asset tracing. Specialized services are also available for relationship matters, identity theft, and blackmail. Our experienced team utilizes advanced investigative techniques to provide effective and discreet solutions tailored to individual needs.


Line of Inquiry offers a comprehensive suite of services tailored for businesses. These include business intelligence, asset tracing, debtor tracing, and competitive intelligence. Specialized services extend to acquisition and mergers, investment intelligence, and supply chain risk mitigation. Our experienced team employs advanced technological tools and investigative techniques to ensure your business stays ahead in a competitive market.

Relationship Matters & Family Issues

Comprehensive support in family law matters, including relationship disputes and divorce cases. Our services extend to missing persons tracing, surveillance, and personal protection against blackmail. Utilizing advanced technology and an experienced team, we offer discreet and effective solutions tailored to the unique challenges faced by families.

Cyber Investigations

We offer a comprehensive range of Cyber Investigation services, including tackling catfishing, social media harassment, and cyber threats. Our expertise extends to cryptocurrency investigations and technical counter-surveillance. Utilizing a team of ex-FBI agents, and hacking specialists, we provide robust solutions to protect both individuals and businesses from various cyber risks.


We at Line of Inquiry specialize in litigation investigation and support services, offering worldwide assistance for both civil and criminal cases. Our services include fraud investigations, asset tracing, and family law support. Utilizing advanced technology and techniques, we work closely with legal teams to provide expert analysis and testimony, adhering to the highest ethical standards.

Acquisition and Mergers

Considering an acquisition or merger? Line of Inquiry provides in-depth, comprehensive reports to answer key questions before you commit to a transaction. Our experienced team goes beyond paper, assessing potential risks, financials, cybersecurity, and IP issues, ensuring you know exactly what you’re entering into. Contact LOI for expert support in the acquisition and merger arena, backed by case studies and testimonials.

Bitcoin Crypto Currencies

Cryptocurrencies like Bitcoin offer a decentralized alternative to traditional financial systems, but they’re also vulnerable to illegal activity. LOI Investigations provides cryptocurrency private investigators in French Riviera to help clients navigate this complex landscape. Our experts trace and recover funds, identify illicit activity, and provide actionable intelligence to protect assets and support legal proceedings.

Background Checks

LOI Investigations specializes in accurate and thorough background checks in French Riviera for individuals and companies. Offering pre-employment background checks, including verification of education, employment history, and criminal record checks, our experienced private investigators ensure the safety and security of your business and personal life. Trust LOI Investigations for reliable background checks with confidentiality and fast turnaround times.

Contact Us

For expert private investigation and intelligence consultancy services in acquiring hard-to-obtain confidential information globally, look no further.