Superior Investigation Services

Superior Investigation Services

A legal, professional and industry leading service

With a nationwide presence and almost 2 decades of experience Westminster Detectives are the UK's leading private investigation company

Professional. Confidential. Discreet.

LocalPI is a national company operating in 158 towns and cities nationwide. We are not a franchise, so the quality and standard of our service is maintained at all times.

We combine industry leading techniques with first class customer service to provide an unrivaled investigation, research and evidence collection service. Our clients are our best advocates and testimonials are available on request for you to review.

LocalPI treat all enquiries and case details in the strictest of confidence at all times.

100% Legal

LocalPI aim operate with professionalism and integrity at all times. We always operate within the law and fully comply with all relevant regulations and legislation.

All evidence gathered on your behalf is done so legally and can therefore be used with confidence.

Our polygraph examiners are trained and accredited by the American Polygraph Association who uphold the highest operational and ethical standards.

Please see our Professional Code of Conduct for more information.

Industry Leading Polygraph Department

LocalPI are the UK's largest provider of lie detector tests.

All of our examiners are trained to the highest standard at the New England Polygraph Institute in the United States and are accredited annually.

Our Polygraph Department is headed by Carrie Austin, one of the most experienced examiners in the UK, and the developer of the Polygraph Safeguarding Questionnaire. The questionnaire was designed to ensure the safety of examinees and increase the accuracy of results obtained.

Contact Us

In the first instance we always recommend that you contact one of our Case Managers to discuss the most cost-effective way forward.

For Free Advice Phone: 020 3124 1574

Westminster Detectives offer services to cover all eventualities. To book a service today or to find out more information, call 020 3124 1574.

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Westminster Detectives Services

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  • Listed in Your Local Yellow Pages
  • Associate Members of the American Association of Police Polygraphists
  • Members of the American Polygraph Association
  • Now Accepting All Popular Forms of Payment
  • Insured with HENSURE
Want to be a Private Investigator?
Argus Europe - One of our recommended partners for Private Investigator training

Why Choose Westminster Detectives?

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

Westminster Detectives FAQ

  • 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

About Westminster

Westminster Detectives have been operating in Westminster and London Central for almost 20 years.

  • Westminster is the location of the Palace of Westminster, a UNESCO World Heritage Site which houses the Parliament of the United Kingdom.
  • Westminster is an area of central London, within the City of Westminster.
  • Westminster lies on the north bank of the River Thames, southwest of the City of London.
  • Westminster has a large concentration of London's historic and prestigious landmarks and visitor attractions.
  • Westminster name derives from the West Minster, or monastery church, west of the City of London's St Paul's.
  • Westminster has been the seat of the government of England for almost a thousand years.
  • Westminster is thus often used as a metonym for Parliament and the political community of the United Kingdom generally.
  • The historic core of Westminster is the former Thorney Island on which Westminster Abbey was built.
  • Westminster is still the centre of government, with Parliament now located in the Palace of Westminster.
  • Westminster has a substantial residential population.

Westminster Detectives

Professional, efficient and discreet private investigator services in 158 UK cities, backed by an extensive UK network. Westminster Detectives serve Westminster and localities throughout London Central.

Based on north bank the River Thames , Westminster Detectives provide a confidential and professional Investigation, enquiry and research service to meet both private individuals and business needs.




Westminster Detectives - 95% Success Rate, 100% Legal

If you have any questions about our private investigations services in Westminster, or private detective packages, then don't hesitate to call our friendly team on 020 3124 1574 or contact us via the website.

Westminster Detectives - The No1 Detective Agency in Westminster

Serving Westminster, Vauxhall, Whitehall, Trafalgar Square, Waterloo and all areas in and around London Central