Over 40 years of experience
JC ASSOCIATES Investigative Services
Northern Ireland’s Premier Private Investigation Firm.

The most established Professional Investigators & Private Detectives | Belfast, Northern Ireland.
Experienced • Discreet • Professional
Why choose us?
With an unbroken 40-year record, JC Associates is Northern Ireland’s longest-established firm of private investigators. Our team comprises highly experienced private investigators, detectives, and security consultants, each bringing specialist knowledge and a commitment to the highest professional standards. Clients trust us for our discretion, integrity, and consistent delivery of confidential, results-driven investigations.
We have over 40 years of continuous investigative expertise and provide a professional, discreet, and fully confidential service where we offer straightforward, sensible advice tailored to your needs.
Though based in Belfast, we serve clients across the UK and are open to assignments worldwide. When you choose JC Associates Investigative Services, you gain the assurance of seasoned professionals working in your best interests at all times.
Professional Standards
All investigations are conducted professionally and ethically by our team of highly experienced private investigators and detectives. We are committed to upholding the highest standards in every case we undertake. With discretion and tact, we focus solely on delivering a satisfactory outcome for you.
Confidentiality assured
We understand that you may feel apprehensive about sharing personal information with us. Please rest assured that your privacy is of the utmost importance. The details of your enquiry and any information you provide will remain strictly confidential at all times.
With 40 years of experience in investigative services, we have consistently handled highly sensitive information with discretion and care. Our stringent security policies ensure that all client data is protected throughout the course of an investigation.
Once your case is concluded, we do not retain your personal information. We follow robust data disposal procedures to ensure that all client information is securely and permanently destroyed.
Your trust is essential to us, and we are committed to maintaining it at every step.
Expert services
We are specialists in covert surveillance, undercover investigations, intelligence gathering, and advanced interview techniques. Our team includes highly trained Technical Surveillance Countermeasures (TSCM) experts who specialise in detecting listening devices and hidden cameras in private residences, commercial properties, and corporate offices. Our personnel bring extensive experience across a broad spectrum of private investigative services. We handle cases involving theft and insurance fraud, intellectual property theft, workplace liability issues, and sensitive personal or family-related concerns.