🕵️‍♀️ 25 Best Private Detectives in LondonHiring a London private detective can feel daunting—so we’ve compared 25 reputable agencies across the capital. The table below lists service areas, real-world price ranges (hourly/day rates and typical fixed-fee tasks), links to pricing pages, and direct contacts. Each firm is also given a randomised score out of 100 to help you shortlist quickly. Before you instruct an investigator, read guidance from the ICO on data protection and GOV.UK (UK GDPR), and ask agencies about compliance, reporting standards, and evidence handling. Use this list to get transparent quotes and choose a discreet, legally compliant service.