Your friendly local private investigator services in Derby, Leicester, Nottingham, Burton, Loughborough and nationwide

Cheating Partner | Vehicle Tracking | Child Protection | People Tracing

Always a discreet service provided by qualified and professional investigators


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Delta 74 has specialised in surveillance investigations (to catch out cheating partners/cheating spouse especially) since being established in 2016. We can carry out same day surveillance investigations if needed.

Prices are as low as £45.00 an hour!

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Private detective Leicester

Vehicle Tracking

One of our most popular services for customers. We do all the hard work for you in a very discreet and cost effective way. Vehicle Tracking is a brilliant way to build up a pattern of someones activities.

Tracking for as low as £100.00 a week!

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Private detective Derby

People Tracing

With an industry leading private investigator team,  we leave no stone unturned in finding out the person you are looking . We use the most up to date databases to bring you the information you need.

£180.00 on a no find no fee basis!

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Welcome to Delta 74 Private Investigations

Delta 74 Private Investigations are a private investigations agency based in Castle Donington, Derby just off the M1 that provides an affordable, reliable and professional service no matter what the circumstances are. We cover Nottingham, Derby, Leicester, Loughborough and Burton-upon-Trent from our centrally located offices.All of our team are fully trained and insured private investigators to ensure a positive outcome that provides the evidence you or your business need.Services carried out include; cheating partner investigations, live vehicle/asset tracking, hidden device instalment such as cameras or microphones and business investigations (employee disputes).Our services are also surprisingly affordable! See our private investigator costs for more information.

Contact us now to find out how we could help you.

Why hire Delta 74 Private Investigations?

  • We don’t add on ANY hidden costs – see our costs page to get an idea of how much a private investigator costs.
  • We can operate 24 hours a day, 7 days a week whilst working on your case.
  • Our detectives are all equipped with the latest in surveillance technology and equipment.
  • We deliver the report with footage in a way that suits you and is court admissible – all within 48 hours.
  • With our offices based in Castle Donington we can operate anywhere in the Midlands and surrounding areas which include DerbyNottingham, Leicester, Loughborough and Burton-upon-Trent.
  • We are listed as one of the Three Best Rated private investigation agencies in Derby!

0800 774 7241


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Delta 74 Private Investigations Membership’s

Delta 74 Private Investigations are members of The Association of British Investigators, The United Kingdom Professional Investigator Network and The East Midlands Chamber of Commerce. 

We are also fully registered with the Information Commissioners Office.