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


Understanding Technical Surveillance
Understanding Technical Surveillance: Methods, Implications, and When It’s Appropriate In an era defined by rapid technological advances,...
Aug 29, 20253 min read


How SIASS Supports Landlords with Tenant Issues
Private and social housing landlords face a wide range of challenges when it comes to managing tenancies. While the majority of tenants...
Aug 28, 20252 min read


Modern Tools of Surveillance
Surveillance is no longer confined to shadowy figures watching from the corner of a street. Today, it’s powered by technology that is...
Aug 27, 20253 min read


Understanding the Rules: Covert Surveillance and Technical Investigations in the UK
When planning an investigation that may involve covert surveillance, it’s vital to understand the legal framework that governs how it can...
Aug 26, 20252 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....
Aug 26, 20253 min read


How Surveillance Services Can Help Uncover Hidden Truths
Uncovering hidden truths can be a challenging task. Whether it’s for personal reasons, legal matters, or business concerns, surveillance...
Aug 26, 20254 min read


Understanding the Importance of Surveillance Services in Investigations
In today’s fast-paced world, the need for effective surveillance services has become more critical than ever. Surveillance plays a vital...
Aug 26, 20254 min read


The Benefits of Using Professional Technical Surveillance Services in Private and Civil Investigations
When it comes to private and civil investigations, the quality of evidence collected often determines the outcome. Whether you are a business, council, social landlord, private individual, or private investigator, carrying out covert operations successfully depends on more than traditional investigative skills. Increasingly, the difference between success and failure lies in having access to specialist technical surveillance services . That’s where SIASS technical surveillanc
Aug 26, 20252 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 (...
Jun 24, 20253 min read


Why Risk Assessments Matter: How SIASS Delivers Safe, Legal and Transparent Covert Surveillance
SIASS conduct full risk assessments before outlining an investigative strategy to a client Why Risk Assessments For Covert Surveillance...
Jun 6, 20253 min read


Tackling Fly-Tipping Effectively
Tackling Fly-Tipping Effectively: How SIASS Supports Councils with Professional Investigative Services Fly-tipping remains a persistent...
May 27, 20253 min read


Romance Scams and Private Investigations
Romance Scams: How to Protect Yourself and What to Do If You’ve Been Targeted Online dating has become an increasingly common way to meet...
May 21, 20253 min read


Protecting Loved Ones
Protecting Loved Ones: When to Consider a Welfare Check Private Investigation When someone you care about disappears from regular contact, behaves out of character, or gives you reason to worry about their wellbeing, the sense of helplessness can be overwhelming. You may not know whether to wait, call, or act — but your instinct tells you something isn’t right. At SIASS , we understand that protecting those you love is your top priority, and sometimes, a professional welfare
May 19, 20253 min read


DIY Private Investigations - Newcastle
Or Why You Should Leave Private Investigations to the Professionals In our increasingly inter-connected digital world, it can be tempting...
May 19, 20253 min read


A Very British Mystery: The Colourful History of Private Investigators in the UK
From shadowy figures in bowler hats to sharp-suited modern operatives, the British private investigator has had a long and intriguing history. While they may not all look like Sherlock Holmes or whisper dramatic revelations in drawing rooms, real-life investigators have been quietly shaping the course of justice, business, and scandal for well over a century.
Let’s take a closer look at the fascinating tale of the UK’s private detectives—real and fictional.
May 15, 20254 min read


Increased Demand for Private investigation in the UK
Rising Demand for UK Private Investigators Supported by New Ethical Standards The private investigation industry in the UK is...
May 15, 20252 min read


Professional Covert Surveillance in HR Investigations
The Importance of Professional Covert Surveillance in HR Investigations When handling sensitive workplace issues, Human Resources (HR)...
May 15, 20253 min read


Ethics and Professionalism in Technical Surveillance
At SIASS, we are committed to advancing professionalism and ethical practices in the technical surveillance industry.
Nov 19, 20242 min read


The Benefits of Spy Cameras and Covert Surveillance Devices
buy spycams, eavesdropping devices and vehicle trackers to conduct covert surveillance yourself with support from SIASS covert surveillance
Oct 15, 20243 min read


Covert Surveillance to Give You Accurate Information
Take Control of Your Life
You deserve peace of mind. You deserve to know the truth. At SIASS, we’re here to provide the clarity you need.
Sep 5, 20243 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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