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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: Tools and Applications
Intelligence gathering using technical surveillance tools is critical. SIASS support our clients to be lawful and ethical.
Jul 10, 20242 min read


Corporate Private Investigation - Private Investigations in the Business World
Private Investigations in the Business World As the business landscape becomes increasingly competitive and complex, companies are...
Nov 30, 20232 min read


Private Investigation Glossary
As with any industry or profession, private investigators can use terms that clients may be unfamiliar with. We've compiled a few words...
Nov 15, 202310 min read


What Does It Cost To Hire a Private Investigator in the UK?
Many clients delay hiring a private investigator as they are afraid of the costs involved. Her we explain a little of what to expect.
Nov 8, 20231 min read


Securing Evidence in Private Investigations
Securing evidence in private investigations is a crucial aspect of the investigative process. Whether you are conducting an investigation...
Oct 24, 20232 min read


Using Private Investigators for Infidelity/ Cheating Investigations
What happens when you hire SIASS to investigate suspicions of a cheating partner? These investigations are often referred to as...
Oct 11, 20233 min read


Private Investigator Skill Set
What are the essential private investigator skills, that are required to deliver a professional, discreet and lawful service to clients?
Oct 5, 20233 min read


How To Hire a Private Investigator
Many may worry that they will be charged extortionate fees. Identifying a service provider in an can be difficult.
Sep 27, 20232 min read


Private Investigators and Legal Services
We are often asked what do private investigators and legal services do together? Much of the work we undertake in our region, is on...
Sep 11, 20231 min read


Newcastle Based Commercial Technical Surveillance Specialists - Why Choose Us?
SIASS Newcastle Covert Technical Surveillance Specialists. Learn how we can assist you to conduct lawful, ethical investigations.
Jul 26, 20231 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


Tackling Farm Machinery Theft
Many news outlets lately have focussed on the issue of farm machinery theft. Theft from agricultural settings and construction sites is...
Jul 10, 20232 min read


Newcastle Private Investigator - Breaking the Stereotype
SIASS are breaking the stereotype of the traditional private investigator! We offer technical surveillance investigations, training & tech
Jul 6, 20232 min read


Is it Legal to Hire a Private Investigator in the UK?
Due to some recent high profile media cases, featuring some unethical private investigators, we are often asked is it legal to hire a...
Jul 4, 20233 min read


Stalking/Harassment Private Investigation Services
When clients are dealing with stalking or harassment behaviour issues, SIASS offer private investigation services to help them get the...
Jul 3, 20231 min read


Background Checks
Why do people ask private investigators to perform background checks? What is a background check?
Jun 29, 20231 min read


Whistleblower Services
Whistle-blower, whistleblower, informant, witness... whatever term you prefer, it refers to a person (usually a worker) making a...
Jun 26, 20231 min read


Investigating Employees
In any company, at some point it may be necessary to begin investigating employees, or conducting an investigation into an employee's...
Jun 26, 20231 min read


Surveillance Services, UK
Covert surveillance specialists, we can design and undertake lawful and discreet surveillance to meet your requirements.
Jun 26, 20231 min read


Relieving the Pressure On Police Resources
Private intelligence agencies, such as SIASS the North East's premier commercial technical support unit, are relieving the pressure on UK...
Jun 21, 20233 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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