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Our Services

At TNS Investigations, we offer a wide variety of professional investigative services tailored to meet the unique needs of our clients.

Whether you are dealing with personal matters such as infidelity or missing persons, or require corporate solutions like employee background checks and fraud investigations, our team of experienced and certified investigators is here to help. Utilising the latest technology and proven investigative techniques, we provide accurate, discreet, and confidential services to deliver the answers you need.


Our commitment to integrity, professionalism, and client satisfaction ensures that TNS Investigations is your trusted partner in uncovering the truth and resolving complex issues efficiently and effectively.


What We Do

At TNS Investigations, we offer a comprehensive range of investigative services to address diverse needs across personal and corporate domains. Our expertise spans infidelity and surveillance investigations, locating missing persons, conducting thorough background checks, and verifying employee absenteeism. In the corporate sector, we handle cases involving fraud detection, asset protection, intellectual property theft, and employee misconduct.


Our team of highly trained investigators utilise advanced techniques and state-of-the-art technology to gather accurate and reliable information, ensuring that you have the evidence needed to make well-informed decisions.


Whether you are facing personal dilemmas or complex business challenges, TNS Investigations is dedicated to providing discreet, professional, and effective solutions tailored to your unique circumstances.



Surveillance involves discreetly monitoring individuals or activities without their knowledge. At TNS, we aim to gather information or evidence for security or investigative purposes, ensuring the subject remains unaware of being observed.


GPS Tracking Devices

GPS tracking devices use satellite signals to monitor the real-time location, speed, and route of a vehicle, which can be monitored from your phone. These devices are employed for fleet management, theft recovery, and personal tracking.


Person Tracing

At TNS, we offer person tracing, which involves locating individuals who are missing, have lost contact, or are being sought for legal or personal reasons through our extensive



Lie Detector Tests

Our lie detector tests provide accurate and reliable polygraph examinations to help uncover the truth in various personal and professional situations. Conducted by certified experts, our tests ensure thorough and confidential results you can trust.


Absent Employees

Our absent employee investigations help you uncover the reasons behind employee absenteeism and verify the legitimacy of their claims. Conducted discreetly and professionally, our investigations provide comprehensive reports to support informed decision-making.


Background Checks

Our checks involve investigating an individual's history to verify identity, criminal records, employment, education, and other relevant details, offering you peace of mind and the information necessary to make informed decisions.


Corporate & Legal Investigations

Our corporate and legal investigations involve the thorough examination of business activities, financial practices, and legal matters. These inquiries aim to protect company assets, ensure compliance, support litigation, and maintain ethical standards within organisations.


Bug Sweeps

At TNS, we offer bug sweeps, also known as technical surveillance countermeasures (tscm). They involve detecting and removing hidden surveillance devices like microphones, cameras, or tracking devices. We use special equipment to identify electronic eavesdropping threats, ensuring privacy and security.


Counter Surveillance

Our counter surveillance service involves measures to detect and prevent unauthorised monitoring.

It includes techniques like electronic sweeps, surveillance detection routes, and monitoring for signs of surveillance. We aim to protect privacy, sensitive information, and ensure security against spying and intelligence-gathering activities.


Process Serving

At TNS, we offer process serving which is the delivery of legal documents, such as summons to individuals involved in court proceedings. It ensures that parties are notified of actions against them, providing proof of delivery and ensuring due process.


Close Protection

We offer safeguarding to individuals, such as those with a high net worth, families, and high-risk personnel from threats like physical harm, kidnapping, and harassment. Trained security professionals provide constant, discreet security to ensure the safety and well-being of the protected individuals.


Penetration Testing

Our penetration testing involves simulating real-world attacks on physical security systems to identify vulnerabilities. It tests access controls, alarms, and security protocols to improve the protection of physical assets and facilities.


Don't see the service you're looking for?

Email us at, we would love to assist you further.

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