London Detective Agencies - Servicing Central London and London for over 20 years

London Detective Agencies

  0800 294 8556

95% Success Rate. 100% Legal.

London Detective Agencies - the professional investigation company that delivers results and keeps you in the picture. Professional, efficient and discreet private investigations in 158 UK towns and cities, backed by an extensive UK network. London Detective Agencies serve Central London and localities throughout London.

Our office is open until 8pm Monday to Sunday

  0800 294 8556

95% Success Rate. 100% Legal.

London Detective Agencies are the professional investigation company that delivers results and keeps you in the picture.

Open 9am - 8pm Mon to Sun


  • Listed in Your Local Yellow Pages
  • Members of the American Polygraph Association
  • Now Accepting All Popular Forms of Payment
  • Insured with HENSURE

  • 100% Confidentiality Guaranteed
  • APA Qualified Polygraph Examiners
  • Central London's No.1 Detective Agency
  • Each Client Assigned a Case Manager
  • Excellent 1-2-1 Customer Service
  • Secure Online Portal
  • Best Rates Nationwide
  • Full UK Coverage
  • 157 Branches Nationwide
  • Established in 1999


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Contact Us Open 9am - 8pm Mon to Sun

0800 294 8556
FREEPHONE: 0800 294 8556
Free from UK landlines and mobiles
Chat Live with a Case Manager

Why Choose London Detective Agencies?

  • Case Management Team
    Central London Detectives experienced management team and highly skilled private investigators ensure that your case is carried out professionally and efficiently.

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London Detective Agencies' Frequently Asked Questions

  • To hire your company is more expensive than some others that I have seen. Why is that?
  • How Much is it to Hire a PI?
  • What types of expenses will I be charged for?
  • What kinds of expenses will I be required to pay?
  • Why are you more expensive than some private investigation companies?

Nationwide Client Comments

  • Living in a rural area, it was important to have a private investigator who knew the local area and wouldn't stick out like a sore thumb! The surveillance they...
    Paul, Avon
  • I was pleasantly surprised to find Newcastle Detectives not only the most competitive in price, but second to none when it came to customer service. Top marks...
    Geoff, Newcastle
  • A first-rate service, with friendly staff and very competitive prices!
    Aaron, Peterhead
  • My company has hired Aylesbury Detectives a few times over the years to gather evidence for us, and they have worked discreetly at all times. Their...
    Mike, Buckingham
  • Hiring a private investigator is not something I would normally do, but I was in a situation that I simply couldn't resolve on my own. I needed evidence that...
    David, Bath

London Detective Agencies

Professional, efficient and discreet private investigations in 158 UK cities, backed by an extensive UK network. London Detective Agencies serve Central London and localities throughout London.

Professional Investigations, Surveillance and Intelligence acquisition. London Detectives provides a comprehensive range of services to suit private, commercial and legal clients. Specialists in the city of London, extensive knowledge allows our Investigators to conduct investigations discreetly and efficiently.