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San Francisco 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 San Francisco, California, operate within the legal framework of the United States and California state laws, adhering to strict confidentiality standards.

Full Services Private Investigation Agency

Independently audited 98.9% success rate (March 2024)

LOI Investigations is a Full Service Private Investigation Agency which specialises in all Private Investigation services, in San Francisco, all of the USA and Worldwide. Our team includes both Male and Female Investigators who live in & cover all of the USA and countries Abroad.  

LOI Investigations are able to keep clients’ costs affordable. We provide a very high success rate and cater to private individuals businesses, corporates, Lawyers, VIPs and celebrities. From tracing missing persons in San FranciscoWorldwide to uncovering hidden assets, our private investigators are also experts in Fraud, divorce, separation and family issues.

Our expertise also includes Covert Surveillance, Problem Solving and Cyber Solutions. We are also well known for our ability to specialise in the most Difficult and Unusual Cases. 

Our pricing structure also means that we are able to keep our services affordable, without detracting from the expertise and diligence that our Agency is renowned for, both in San Francisco and Abroad. Our Clients are our priority and no case is too small or complex.

Our Offices are locally staffed in 44 countries, with local, Bilingual, Private Investigators. Our Private Detectives are professional, qualified and fully insured. All of our investigators hold local licenses where applicable and therefore we have a complete global reach.

All Types of investigations Worldwide

LOI Investigations, guarantees absolute discretion and client confidentiality.

We are leaders in all types of investigations. We are particularly well known for our ability in obtaining accurate, hard to obtain hidden information legally, worldwide in total confidence.

Worldwide : + 44 800 1 934 999

FREE PHONE / TOLL FREE

WORLDWIDE

Qualified Professional Bilingual.

Private investigators available

24 hours per day, 7 days a week.

COMPETENT-RELIABLE-EXPERIENCED

FREE CONSULTATION

    Full 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, Corporate investigations & Intelligence, Crypto Currency and Bitcoin pre-due diligence, missing-stolen funds tracing and recovery, serving San Francisco. Our expertise includes Cyber Security, Technical Counter Surveillance and Business Intelligence, all tailored to the unique business environment of San Francisco. We provide specialized services in Relationship Matters, Family Law issues, Risk & Fraud, Asset Tracing & Fraud Investigation, Background Checks, KYC services, and Global Database Access. We are dedicated to conducting a wide range of investigations and intelligence gathering, both locally in San Francisco and internationally.

    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 based in San Francisco

    Why Choose LOI Local private investigators in San Francisco?

    • 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.

    Technical Counter Surveillance

    In an age where privacy and security are increasingly threatened by advanced technology, LOI Investigations offers robust technical counter-surveillance services. 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.

    Business Intelligence

    Critical for strategic corporate decisions, our business intelligence and due diligence services 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.

    missing persons investigation

    Relationship Matters, Family Issues and Divorce

    Dealing with family issues and divorce? Line of Inquiry offers specialized private investigator services 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.

    MORE SERVICES

    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.

    Businesses

    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.

    Lawyers

    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 investigations 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 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.