40 Trending Private Investigator Businesses to Watch in 2024

Pat Walls

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Updated: January 18th, 2023

Become A Private Investigator

Private investigators are hired to investigate a person, event or organization. They can be hired by individuals, law enforcement or attorneys.

In the past few years, there has been an increase in the number of private investigator firms. This is because of the growing demand for PI services due to all the recent technological advancements that have helped make it easier for people to get away with criminal activities and unethical behavior.

There are a lot of investigative firms in the market, but not all of them are worth your time and money. Below is a list of 40 trending PI firms that you should consider when looking for help with investigations in your area:

1. PI Near Me

PI Near Me is a full-service private investigation agency serving the needs of private clients, corporate clients, and law firms.

Where they're located: Batha, Chad

2. Washington State Investigators

Washington State Investigators | Affordable Private Investigation Services, main office located in Seattle WA. Washington State Investigators understands when opportunity & preparation meet, you get results. Contact us today & get answers about your case. Seattle Private Investigator, Private investigation services.

Learn more about starting a private investigator:

Where to start?

-> How much does it cost to start a private investigator?
-> Pros and cons of a private investigator

Need inspiration?

-> Other private investigator success stories

Other resources

4. Vcheck Global

Vcheck Global provides business-to-business due diligence, background investigations and specialized searches of individuals and entities. Learn more now!

5. Private Investigator, Private Detective

Where they're located: Overland Park, Kansas, United States

6. PInow.com

PInow.com Private Investigator Directory. Find a trusted private investigator anywhere in the United States, Canada or Worldwide.

7. Star Quality Private Investigations

Industry-leading Private Investigative Services from Toronto's best Private Investigator Team. Experts in custody & corporate investigations, cheating spouse surveillance, background checks and more.

8. Private Investigators For Your Business and Personal Life.

Top Rated Private Investigators - Take Action on Legal, Business, and Personal Matters - Nationwide for Internal Employee Theft, Surveillance, Locate People, Asset Search and Investigations.

9. North American Investigations

New York Private Investigator. Licensed and bonded NYC Private Investigator Agency in New York City, Long Island, New Jersey, Connecticut & California

Where they're located: New York, New York, United States

10. Corporate Risk Investigation Services

Severg Networks provide private investigations and corporate risk investigation services in more than 115 countries by its global network of local private investigators

Where they're located: Seonjeong-ri, South Korea

11. NITA

NITA is the Leader in Online Training for Private Investigators and Security Professionals. Get State-Approved training for States like Florida, Georgia and more.

12. Detective Training Institute

Become a Private Investigator at DTI Private Investigator School - Detective Training Institute

Where they're located: Skårup, Central Denmark Region, Denmark

13. UK Private Investigators

UK wide and international expert detective services - legal, confidential,discreet and affordable. Contact us today 0800 043 1754.

14. InvestiGreat

Where they're located: New York, New York, United States

15. Private Investigation

Private Detective Malaysia - We provide Private Investigation Services Malaysia by experienced Private Investigator Malaysia. Call Us Today! +603 7866 0071.

16. Welcome to LSBPIE

Where they're located: Baton Rouge, Louisiana, United States

17. Beau Dietl & Associates Investigations NYC

For over 30 years, Beau Dietl & Associates has provided security services and investigative expertise to clients throughout the US.

Where they're located: New York, New York, United States

18. Private Investigators

Private Investigators serving Auckland and New Zealand since 1984. We are the most experienced Fraud & Private Investigation firm. Get in touch today.

19. Private Investigator Cape Town

At Private Investigator Cape Town, our Private Investigators and Detectives have extensive knowledge and proven track record in Private Investigations.

20. ASG Investigations

Expert Investigative agency and private investigative partner, Private investigator home page

Where they're located: Skårup, Central Denmark Region, Denmark

21. PI Magazine, trade publication for Private InvestigatorsPI Magazine

22. Smith Investigation Agency

We are proud to have the best private investigators in Ottawa, Sudbury, and Mississauga on our team. We use advance equipment to get the results needed.

23. Indiana Private Investigators

Private investigators who care about your crisis. Lauth Investigations has provided Proactive, Diligent, and Confident Solutions for 30 years.

Where they're located: Indianapolis, Indiana, United States

24. John Cutter Investigations

New York-based private investigations firm specializing in due diligence and security assessments, plus insurance, background, matrimonial, and school investigations.

Where they're located: New York, New York, United States

25. TIO Square

Private Investigator Services in New York. New York State Private Investigator License. Providing real help and training at a competitive cost in New York City for years.

Where they're located: New York, New York, United States

26. AALPI – Arizona Association of Licensed Private Investigators

Where they're located: Scottsdale, Arizona, United States

27. Sly Fox Investigations

Baton Rouge Private Investigators

Where they're located: Baton Rouge, Louisiana, United States

28. Colorado Private Investigator

We are a local, experienced, affordable private Investigator agency located near Denver, CO that is here to help you with all of your investigative needs.

29. Home

30. Bond Investigations in United States| Hire Private Detectives

Hire skilled & trusted private investigators. 20 years + experience. Swift and thorough bond investigations. Key evidence obtained and well-documented.

Where they're located: San Antonio, Texas, United States

31. Crossroads Investigations

Crossroads Investigations is a full-service national private investigation agency with global capabilities operated by a former Central Intelligence Agency (CIA) officer. Named Top Firm by South Florida by the Daily Business Review.

Where they're located: Miami, Florida, United States

32. Gravitas Investigations

We're professionally licensed and experienced private investigators covering Ohio and Kentucky with nationwide reach. Find the truth and get peace of mind!

Where they're located: Cincinnati, Ohio, United States

33. Ross Investigators PC, Inc.

34. Home

Phoenix Private investigators- Phoenix Private Investigations

Where they're located: Scottsdale, Arizona, United States

35. Stillinger Investigations, Inc.

Looking for a private investigator in Columbia SC, Myrtle Beach, NC or GA? We has over 50 combined years of experience in thousands of successful cases.

36. Home

Where they're located: Garland, Texas, United States

37. Spy Center

Our Private Investigation Services include infidelity investigations, video surveillance, background checks, employee investigations record searches and much more.

Where they're located: Miami, Florida, United States

38. Nathans Investigations

Nathans Investigations is a premier private investigation agency providing professional Miami Private Investigator, Private Detective Private Eye services.

Where they're located: Miami, Florida, United States

39. Welcome to PI Gear.com

40. StackPath

Where they're located: Norfolk, Virginia, United States

41. South African Private Investigators Directory

Private Investigators Directory of South Africa

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Becoming A Private Investigator: Everything You Need To Know

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