At TNS Investigations, we offer a comprehensive range of professional investigative services to both private and corporate clients throughout the UK. Our expertise includes discreet surveillance operations, person tracing, comprehensive background checks, lie detector (polygraph) testing, GPS vehicle tracking, absent employee investigations, corporate and private investigations, process serving, insurance fraud investigations, and Technical Surveillance Counter-Measures (TSCM), commonly known as bug sweeps. Every investigation is tailored to the individual requirements of our clients, using lawful investigative techniques, advanced technology, and experienced professionals to deliver accurate, reliable, and confidential results. Whether you require evidence for legal proceedings, support with a personal matter, or investigative solutions to protect your business, TNS Investigations is committed to providing a trusted, discreet, and results-driven service from start to finish.

Tailored Investigative Solutions

No two investigations are the same. At TNS Investigations, we take the time to understand your circumstances before recommending the most appropriate course of action. Every case is carefully assessed to ensure the investigation is conducted efficiently, ethically, and with complete discretion, allowing us to deliver the highest standard of service while keeping your objectives at the forefront of everything we do.

Professional, Discreet & Confidential

We recognise that contacting an investigation company often involves sensitive or complex situations. That’s why every enquiry is handled with complete confidentiality from the very first conversation. Our experienced investigators work with professionalism, integrity, and respect, ensuring you receive honest advice, regular updates, and clear, evidence-based reporting throughout your investigation.

Supporting Private & Corporate Clients Nationwide

Whether you’re an individual seeking answers or a business looking to protect its interests, TNS Investigations has the expertise to assist. We work with private clients, solicitors, insurers, local authorities, and businesses across a wide range of sectors, providing tailored investigative solutions designed to uncover the facts and help our clients make informed decisions with confidence.