Find the 13 Best Private Investigators in London

Nationwide Investigations offers professional private investigation services in London, including due diligence, fraud detection, and asset tracing since 1963.

P E L Consultancy Services provides discreet, legally compliant private investigation services across the UK and globally. With 15+ years of expertise and 4,500+ successful cases, we offer surveillance, background checks, and corporate fraud detection.

Expedite Detective Agency provides discreet private investigation services including surveillance, background checks, and digital forensics. Established since 2000, we offer 24/7 support with no upfront fees.

Professional private investigators offering discreet surveillance, infidelity checks, and corporate investigations across the UK. 24/7 services with 25+ years experience and 4.8/5 customer rating.

Trusted private investigator services since 1994. Specialising in asset recovery, people tracing, and fraud investigations across 122 countries. Discreet, ethical, and legally compliant solutions for businesses and individuals.

Surelock International offers expert private investigations, security consultations, and training in London and the UK. Protect your assets with our experienced team and tailored solutions.

Baxford Ltd provides professional private investigation services in London, including surveillance, asset reports, and background checks. Trusted for over 20 years with ex-military investigators and GDPR compliance.

UK Private Investigators offer discreet, legally compliant investigation services across the UK and internationally, including infidelity checks, fraud investigations, and surveillance.

OpSec Solutions offers discreet, legally compliant surveillance and risk management services across the UK. Founded in 2011, our accredited team provides tailored security solutions using state-of-the-art technology for individuals and businesses.

Trusted private investigation services across the UK. Specialising in matrimonial, corporate, and industrial investigations with 25+ years of experience. Discreet, professional, and reliable solutions.