Need a top five private investigation firm in the United Kingdom? These professionals are renowned for their unparalleled expertise, cutting-edge methods, and unwavering commitment to uncovering the truth. Whether you require corporate investigations, surveillance operations, background checks, or matrimonial investigations, these outstanding companies offer a vast array of specialised services to meet your needs.

Here are some of the five best private investigators in the UK:-

5. ARF Private Investigators

https://www.uk-privateinvestigators.co.uk/ – UK Professional and Discreet Private Investigators

“Why hire us?

• We have an excellent success rate.
• We are professionals and only use qualified and trained operatives.
• We are registered with the Information Commissioners Office.
• In many cases, we work on a FIXED FEE basis.
• We have both male and female agents.
• National coverage.
• All services are available 24 hours a day, 7 days a week.
• We are EXTREMELY DISCREET and client confidentiality is paramount.”

G Reviews Rating: 5/5 from 49 Reviews as of 2022/2023

Client Testimonials: “Highly recommended 👌 …” -Silva Da Silva

4. Are They Safe

https://aretheysafe.co.uk/ – UK Multi Award Winning Private Investigation Company 

“Do you need to hire a Private Investigator UK?  ‘Are They Safe’ is a Multi Award-Winning Private Investigation Company based in the UK. We have a  team of highly experienced  UK Private Investigators operating throughout London, the UK, and Worldwide. We provide an affordable and reliable Private Investigator and Private Detective service.

We offer a full range of discreet Private Investigation and Corporate Investigation Services all of which are carried out in complete confidence. Our offices are open 24/7 365 days a year. Why not give us a call today and speak to one of our award-winning professional UK Private Investigators?

• Professional Private Investigators
• 100% Confidential
• Featured in The National Press
• Fully Insured
• High Success Rate
• Recommended by Barristers”

G Reviews Rating: 5/5 from 31 Reviews as of 2022/2023

Client Testimonials: “Superb service, caring team, excellent Investigators. I can’t really say any more than that. Thank You!!.” -Mr. McDermont, Kent

3. Gavin Burrows International

https://loiinvestigations.com/ – UK Best Private Investigations and Business Intelligence Companies

“We are a group of highly experienced private investigators blending traditional trade-craft with modern investigation techniques. Gavin Burrows is firmly established as one of the United Kingdom’s and indeed, the world’s leading Private Investigator, Investigation Consultant, and all-round problem fixer.”

G Reviews Rating: 5/5 from 7 Reviews as of 2022/2023

Client Testimonials: “LOI has been great! Very professional 100% success rate. I would highly recommend their services.” -Edem Sibindi

2. Compass Investigations Uk

https://compass-investigations.co.uk/ – UK Private and Corporate Investigator

“Areas Of Expertise
When you first contact us, our operations manager will listen to your concerns and will be able to recommend a bespoke course of action. Our team will keep you up to date with all developments, and you will also receive a full report, and evidence if required, upon the conclusion of the investigation.

• Surveillance
• Counter surveillance
• Matrimonial investigations
• Tracing
• Technical and hidden device installation
• Background checks
• Investigations
• Child protection
• Employee investigations
• Insurance fraud
• process serving
• Bug sweeping
• Physical penetration testing”

G Reviews Rating: 5/5 from 7 Reviews as of 2022/2023

Client Testimonials: “Competent, discrete, and professional service with great communication throughout. I wouldn’t hesitate to recommend Compass.” -Libby Kerr

1. Bond Rees 

https://www.bondrees.com/ – UK’s Leading Private Investigator

“Bond Rees is the UK’s leading provider of professional private investigations and can find out the truth about a person or situation for you and obtain irrefutable evidence to support this.

We undertake investigations for both private and corporate clients across the country and have an exemplary track record of achieving the results required whilst ensuring discretion and confidentiality for you. We provide private investigation services in London, Manchester, and the rest of the UK.”

G Reviews Rating: 5/5 from 254 Reviews as of 2022/2023

Client Testimonials: “The staff is very helpful and friendly. They are amazing with the information they give back. Would definitely recommend them to anyone and will contact them again if I need their services.” -Barbara Green

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