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Professional Technical Surveillance Services – UK Wide
Discreet, lawful, and expert covert surveillance operations, training and equipment — trusted by corporate, government and private clients.


Surveillance Technology; AI, CCTV and Facial Recognition Aren't the Whole Answer
Artificial Intelligence is transforming the way organisations approach security, investigations and public safety. From AI-powered CCTV systems capable of recognising unusual behaviour, to facial recognition technology identifying known offenders in real time, the capabilities of modern surveillance technology continue to evolve at an extraordinary pace. Retailers are investing in intelligent camera systems to combat shoplifting. Local authorities are exploring smart city tec
Jul 303 min read


When Private Investigators Need Technical Support: The Role of a Commercial TSU
Private investigators (PIs) are skilled professionals who excel at gathering evidence, conducting interviews, and managing complex cases. But in today’s investigative landscape, many cases demand more than traditional methods. Technical surveillance—from covert cameras to tracker detection—has become a crucial part of modern investigations. This is where the role of a Commercial Technical Support Unit (TSU), such as SIASS, becomes invaluable. By providing advanced technical s
Aug 26, 20253 min read


Hidden Cameras: A Growing Crisis in the UK
Consider these recent examples: A woman discovered a hidden camera inside a rented home — a deeply personal violation of her privacy (MSN). At a potato factory, the owner was charged after a camera was found installed in a bathroom used by staff (ABC7 Amarillo). At a Hermosa Beach school dance and music centre, hidden cameras were discovered in bathrooms, leading to the arrest of a former employee (ABC7). In North Shields, a man covertly filmed women and children over several
Jun 24, 20253 min read


SIASS: Leading the Way in Technical Surveillance Support
SIASS, a premier Commercial Technical Support Unit, offers technical surveillance services to a wide range of clients.
Jul 10, 20243 min read


Combating Workplace Theft and Misconduct with SIASS: Advanced Technical Surveillance Solutions
Organisations face significant risks from internal threats such as fraud and disloyalty. SIASS help to gather evidence to aid investigations
Jul 10, 20243 min read


Social Engineering and Security
The dictionary definition of SOCIAL ENGINEERING, for the purposes of information security, is: “the use of deception to manipulate...
Jul 14, 20232 min read


What Do Private Investigators Do?
People ask what do private investigators do, here's what we do
Jun 19, 20233 min read


Unethical Private Investigators
the actions of a few unethical private investigators can tarnish the reputation of the entire industry.
Jun 19, 20233 min read


OSINT Training
Open Source Intelligence (OSINT) Training is offered from our Newcastle upon Tyne location. OSINT is the practice of gathering, analysing and utilising information that is in the public domain. Our OSINT training is delivered by Leonida Reitano, an experienced Socialinks and Maltego instructor. Leonida is the founder and Chairman of the Italian Association of Investigative Journalism (AGI). An expert on personal digital security and Open Source Intelligence he wrote "Esplorar
Jun 19, 20232 min read
Take a look at our SIASS blog posts below. From information about operations we undertake, to articles about technical surveillance issues, to details about who we are and our approach to private investigations. You will find plenty to interest you.
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