Corporate Private Investigator &
Business Investigation Services
ASA Security is a specialist corporate private investigator firm and due diligence investigation agency delivering discreet, intelligence-led investigation services for multinational corporations, financial institutions, law firms and high-net-worth individuals across more than 70 countries. Our business investigation service offering spans the full spectrum of corporate intelligence — from pre-transaction due diligence and fraud investigation to technical surveillance counter measures and background screening.
With over 25 years of operational history and investigators drawn from elite intelligence, law enforcement and military backgrounds, ASA delivers findings that are legally defensible, ethically conducted and operationally actionable — wherever in the world you need us.
ASA Security — Trusted Corporate Investigation Specialists
Speak to a Risk Management Consulting Firm That Has Operated in 70+ Countries
Whether you need a one-time vulnerability assessment or a fully managed, ongoing security risk management service, ASA Security’s team of senior practitioners is available 24 hours a day, 7 days a week. Tell us about your requirements and we will respond within 4 business hours.
Technical Surveillance Counter Measures (TSCM) Service
ASA Security’s certified specialists deliver a comprehensive [technical surveillance counter measures service] for corporate executives, government officials, legal teams, VIPs and high-net-worth individuals who require absolute assurance that their communications and environments are secure. Our TSCM sweeps detect and neutralise the full spectrum of modern surveillance threats — from covert listening devices and GPS trackers to CCTV exploitation and radio frequency interception.
Our TSCM service covers:
- Electronic bug sweeping of offices, boardrooms, hotels, residences and vehicles
- RF (radio frequency) spectrum analysis to detect active transmission devices
- GPS tracker detection and removal for executive vehicles and private aircraft
- CCTV vulnerability assessments to identify covert or rogue camera installations
- Secure communication advisory — identifying weak points in your communications infrastructure
- Pre-meeting sweeps for sensitive negotiations, M&A discussions and board-level sessions
- Post-sweep reports with detailed findings, device analysis and hardening recommendations
Due Diligence Investigation Service
for Mergers, Acquisitions & Investments
ASA Security is a specialist due diligence investigation agency delivering in-depth investigative intelligence to support mergers, acquisitions, investments, joint ventures and key hire decisions. As a trusted due diligence investigation service provider, our work goes beyond financial analysis — we uncover reputational risks, undisclosed liabilities, sanctions exposure, hidden beneficial ownership structures and integrity red flags that formal data sources routinely miss.
Our senior investigators combine open-source intelligence (OSINT), proprietary database access, human source networks and discreet on-the-ground enquiries to deliver findings that are both comprehensive and actionable — in any jurisdiction, in any language.
Our due diligence investigation services cover:
- Pre-investment and pre-acquisition background investigations on target companies and key principals
- Integrity and reputational due diligence on senior hires, board candidates and business partners
- KYC (Know Your Customer) and AML compliance investigations for financial institutions
- Sanctions and politically exposed persons (PEP) screening
- Hidden asset and beneficial ownership investigations
- Joint venture partner vetting for market entry into Asia, Africa and the Middle East
- Litigation support investigations — locating assets and verifying witness or counterparty claims
Corporate Private Investigator Services for Business & HNW Clients
ASA Security’s licensed [corporate private investigator] team delivers discreet, results-focused investigations for businesses, law firms, financial institutions and private individuals. Our [business investigation service] model is built for corporate-level mandates — not consumer PI work. Every investigation is conducted by experienced professionals with intelligence and law enforcement backgrounds, and every finding is documented to an evidential standard suitable for legal proceedings.
Our corporate private investigation services include:
- Covert surveillance operations — fixed-point, mobile and digital
- Employee misconduct investigations — theft, policy violations, leaks and sabotage
- Competitive intelligence gathering and competitor activity monitoring
- Witness location and interview for dispute resolution and litigation
- Asset tracing and recovery investigations for creditors and legal teams
- Matrimonial and personal matter investigations for UHNW individuals — handled with absolute discretion
- Skip tracing — locating individuals for debt recovery, legal service and corporate compliance
Corporate Investigations & Business Investigation Services
ASA Security delivers comprehensive business investigation service solutions for organisations facing internal threats, regulatory exposure or complex disputes. As an experienced corporate private investigator firm, we conduct investigations that are legally defensible, methodologically rigorous and aligned to your specific commercial and compliance objectives.
Corporate investigation mandates we regularly handle:
- Internal fraud and financial misconduct investigations — embezzlement, procurement fraud, expense abuse
- Whistleblower and protected disclosure investigations — independently conducted and legally compliant
- Workplace harassment, discrimination and policy violation investigations
- Intellectual property theft and trade secret investigations
- Third-party and supply chain integrity investigations
- Regulatory and compliance investigations — supporting boards and audit committees
- Joint venture and partner integrity investigations for M&A and strategic transactions
Background Investigation Services & Pre-Employment Screening
ASA Security’s background investigation services give organisations the confidence to make informed hiring and partnership decisions. We conduct thorough, multi-jurisdiction screening that goes significantly beyond a standard database check — deploying human source networks and on-the-ground enquiries to surface risks that automated screening routinely misses.
Our background investigation services include:
- Criminal record checks across multiple jurisdictions — including countries with limited public record access
- Employment history verification — confirming roles, tenure, performance and reason for departure
- Educational qualification and professional credential verification
- Financial background and credit history analysis for roles with fiscal responsibility
- Directorship, litigation and regulatory action history checks
- Social media and open-source intelligence (OSINT) profiling
- Reference checks conducted by experienced investigators — not automated surveys
Fraud & Financial Investigation Services
ASA Security specialises in fraud and financial investigation services for corporations, financial institutions, law firms and insurers. Our forensic investigators combine advanced investigative techniques with financial analysis expertise to detect, document and quantify financial misconduct — producing evidential-quality reports that support disciplinary proceedings, civil litigation and criminal referrals.
Our fraud and financial investigation services cover:
- Embezzlement and asset misappropriation investigations — tracing, quantifying and documenting losses
- Procurement fraud and supplier collusion investigations
- Financial statement fraud and accounting irregularity investigations
- Insurance fraud investigation and claims validation for corporate and specialist insurers
- Cryptocurrency and digital asset tracing for fraud recovery cases
- Forensic data analysis — extracting and analysing digital evidence from devices and cloud systems
- Expert witness support — providing court-ready reports and testimony for legal proceedings
Why Global Organisations Choose ASA as Their Corporate Private Investigator
Choosing the right corporate private investigator firm requires more than a licence — it requires demonstrated experience operating in complex, cross-border environments with the discretion and legal rigour that corporate mandates demand. ASA Security brings all three.
Intelligence-Led, Evidentially Sound Investigations
Every business investigation service we deliver is conducted to an evidential standard — findings are documented, sourced and structured to support legal proceedings if required. We don’t just find information; we find information you can use.
A Due Diligence Investigation Agency With Global Reach
As an established due diligence investigation agency, ASA operates in markets where formal data infrastructure is limited or unreliable — deploying human sources, in-country networks and local language capabilities to surface intelligence that database-only providers simply cannot access.
A Complete Technical Surveillance Counter Measures Service
Unlike firms that offer TSCM as a bolt-on, ASA’s technical surveillance counter measures service is delivered by certified specialists using current-generation detection equipment — not outdated hardware. We sweep, assess and harden, providing a complete picture of your surveillance exposure.
Absolute Discretion — Every Engagement, Every Location
Discretion is non-negotiable in investigation work. ASA operates under strict confidentiality protocols — our investigators do not discuss mandates, our reports are encrypted, and our client relationships are never disclosed. You operate with confidence that your investigation remains private.
Frequently Asked Questions
What is included in a business investigation service?
A business investigation service covers the full range of investigations that organisations commission to protect their assets, manage risk and support legal proceedings. This includes internal fraud investigations, competitor intelligence, pre-employment background checks, due diligence on business partners or acquisition targets, TSCM sweeps and whistleblower investigations. ASA Security tailors every mandate to the specific commercial and legal objectives of the client.
What is a due diligence investigation service and when do I need one?
A due diligence investigation service provides in-depth investigative intelligence on individuals, companies or assets before you make a major business decision. You need one when entering a joint venture, acquiring a business, onboarding a high-value partner, making a significant investment or hiring a senior executive. A specialist due diligence investigation agency like ASA goes beyond public records, deploying human sources and on-the-ground enquiries to surface risks that formal databases miss.
What does a technical surveillance counter measures service involve?
A technical surveillance counter measures (TSCM) service involves a systematic sweep of a physical environment including boardrooms, offices, hotel rooms, vehicles or aircraft, to detect and neutralise covert surveillance devices. This includes RF spectrum analysis to identify active transmitters, physical inspection for hidden cameras and microphones, GPS tracker detection on vehicles, and a comprehensive post-sweep report with hardening recommendations. Our TSCM specialists are certified and use current-generation detection equipment.
How is ASA different from other corporate investigation firms?
ASA Security combines the intelligence capabilities of a specialist investigation firm with the operational reach of a global security organisation. Our investigators are drawn from elite military, intelligence and law enforcement backgrounds, not standard PI licensing programmes. We operate in 70+ countries, including markets where local knowledge and human source networks are essential, and we produce findings that are legally defensible, evidentially sound and directly actionable.
Request a Confidential Investigation Consultation
Whether you need a due diligence investigation service before a major transaction, a TSCM sweep ahead of sensitive negotiations, or a discreet fraud investigation, ASA Security’s senior team is ready to help. All enquiries are treated with strict confidentiality — and we respond within 4 business hours.
