Which Private Investigator Should You Choose in London?

Review 11 private investigators across London, including Central London, West London and East London, and find out what each agency offers. Consider client feedback and business details, then shortlist providers who handle the type of investigation you need.
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Surelock International
Emergency
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We offer over 30 years of combined experience in law enforcement and private investigations
Surelock International offers expert private investigation, security consultancy, and brand protection services across the UK, ensuring client safety and asset protection through discreet, tailored solutions.
Private Investigations Security Consultations Brand Protection
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M Private Investigations
11 Years
Emergency
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Established in 2015 with a proven track record of successful cases
M Private Investigations provides discreet, legally compliant investigative services across the UK and internationally. Specialising in surveillance, asset tracing, and forensic investigations with qualified professionals since 2015.
Private Investigator Process Serving Asset Tracing
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Private Detective London
22 Years
Emergency
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We guarantee a 100% success rate in tracing cases.
Private Detective London provides professional investigative services across the UK and globally, specialising in asset investigations, background checks, and covert surveillance. Trusted for 25 years with a 100% success rate in tracing cases.
Asset Investigation Background Checks Covert Surveillance
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Baxford
Emergency
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We have over 20 years of experience in private investigations
Baxford Ltd offers professional private investigation services in the UK, including surveillance, asset reports, and background checks. Trusted for over 20 years with ex-military expertise.
Asset Reports Process Serving Background Checks
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Nationwide Investigations
50+ Years
Emergency
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We offer 60 years of expertise in complex private and corporate investigations.
Trusted private investigators since 1963, offering corporate intelligence, asset tracing, and fraud detection services across the UK. Confidential, results-driven solutions for legal, commercial, and personal cases.
Corporate Intelligence Asset Tracing Due Diligence
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Expedite Detective Agency
26 Years
Emergency
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We have over 20 years of investigative experience since 2000
UK-based private investigators offering discreet surveillance, background checks, and digital forensics since 2000. 24/7 service with no-find-no-fee guarantee for specific cases.
Surveillance Investigations Background Checks Lie Detector Tests
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Private Eye London
18 Years
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We maintain a 96% success rate in surveillance operations
Specialist private investigation services in London with proven 96% surveillance success rate. 15+ years experience in discreet surveillance, vehicle tracking, and forensic analysis.
Surveillance GPS Tracking Background Checks
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Specialist PI
Emergency
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Our team comprises former police detectives with extensive investigative experience.
Specialist PI provides discreet private investigation services in London, including surveillance, background checks, and fraud detection. Trusted by clients for reliable evidence and expert solutions.
Surveillance Services Vehicle Tracking Background Checks
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Ingram Associates
Emergency
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Over 30 years of experience in private investigation and fraud detection
Ingram Associates delivers expert private investigation services across London and Oxford. Specialising in fraud, surveillance, and litigation support since 1990. Discreet, professional, and legally compliant solutions.
Fraud Investigation Surveillance Process Serving
We have over 25 years of experience in private investigation services.
Trusted private investigators with 25+ years' experience offering discreet surveillance, forensic analysis, and corporate investigations across the UK. Confidential, professional services tailored to your needs.
Matrimonial Investigations Corporate Investigations Surveillance Services