Domestic abuse is a deeply personal and traumatic experience that affects countless individuals across the UK every year. Domestic abuse...

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

Or Why You Should Leave Private Investigations to the Professionals In our increasingly inter-connected digital world, it can be tempting...

Cheating Spouses Newcastle: Seeking the Truth with Care and Compassion When doubts about cheating begin to creep into a relationship, the...

In the world of professional private investigation, visibility is not a virtue. Discretion, on the other hand, is everything. At SIASS, our commitment to confidentiality, subtlety and covert practice defines who we are—and more importantly, how we succeed.

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.

Rising Demand for UK Private Investigators Supported by New Ethical Standards The private investigation industry in the UK is...

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

At SIASS, we are committed to advancing professionalism and ethical practices in the technical surveillance industry.

buy spycams, eavesdropping devices and vehicle trackers to conduct covert surveillance yourself with support from SIASS covert surveillance

If you need evidence that holds up in court, trust the experts who have been doing it right for over two decades.

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.

Why exactly are SIASS the best choice for private investigation services?

Intelligence gathering using technical surveillance tools is critical. SIASS support our clients to be lawful and ethical.

Covert surveillance specialists, we can design and undertake lawful and discreet surveillance to meet your requirements.

the actions of a few unethical private investigators can tarnish the reputation of the entire industry.

Undercover investigations and support services are some of the most specialized covert investigation services we provide at SIASS.

Read about one of the high profile cases SIASS have been involved with.