Hemel Detectives - Servicing North London and London for over 20 years

Hemel Detectives

  01442 359 936

95% Success Rate. 100% Legal.

We provide professional, efficient and legal private investigation services.

Hemel Detectives offer affordable and discreet solutions for individuals, companies and public sector organisations. Backed by an extensive UK network, Hemel Detectives serve North London and localities throughout London.

Our office is open until 8pm Monday to Sunday

  01442 359 936

95% Success Rate. 100% Legal.

We provide professional, efficient and legal private investigation services.

Hemel Detectives offer affordable and discreet solutions for individuals, companies and public sector organisations. Backed by an extensive UK network, Hemel Detectives serve North London and localities throughout London.

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
  • North 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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Why Choose Hemel Detectives?

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

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Hemel Detectives' 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

  • Durham Detectives did a really thorough job, providing me with high quality photographic evidence and even DVD footage. They left no stone unturned, to get the...
    Bob, Co. Durham
  • 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
  • My daughter moved out after an argument with myself and my new partner. I didn’t hear from her for months. I thought, given time, she would get in touch again...
    Val, Whitley Bay
  • I just wanted to know what my partner was doing online every night. He said it was work, but he was staying up into the early hours of the morning, even at...
    Lynsey, South Shields
  • I really wanted a female private investigator to carry out the surveillance I needed doing. Durham Detectives provided one without hesitation. Their case...
    Pat, Durham

About North London

Hemel Detectives have been operating in North London and London for almost 20 years.

  • In 1965 Camden, Hackney, Hammersmith and Fulham, Islington, Kensington and Chelsea, Tower Hamlets and Westminster were designated Inner London boroughs.
  • For the purposes of the London Plan, there has been a North London sub-region in operation since 2004.
  • The boundary commission class the entire district as part of South London.
  • The London Borough of Richmond upon Thames includes sections on both sides of the River Thames.
  • The northern part includes most of the historic central areas including the City.
  • The River Thames divides Greater London into two parts.
  • North and South London as defined by the Boundary Commission.
  • The area it covers is defined differently for a range of purposes.
  • North London is the northern part of London, England.
  • In 2008 it was amended and it now consists of Barnet, Camden, Enfield, Hackney, Haringey, Islington and Westminster.
  • In 2001 this area had a population of 1,042,000.
  • It originally consisting of Barnet, Enfield, Haringey and Waltham Forest.

Hemel Detectives

Professional, efficient and discreet private investigations in 158 UK cities, backed by an extensive UK network. Hemel Detectives serve North London and localities throughout London.

With the skills, knowledge and leading technology, Hemel Detectives supply a comprehensive private investigations service for private and commercial clients.