Advertising Disclosure

Best private investigators - August 2025

Last Updated - August 29, 2025

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Independently published

Contracts For Private Investigators: Secrets No One Else Will Tell You

Independently published

$39.99

More Details
Main highlights
$39.99
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Warner Manufacturing

Shakespeare & Hathaway: Private Investigators: Season Three

Warner Manufacturing

$21.14

More Details
Main highlights
$21.14
3
Best Value
20% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Alpha
20% Off

The Complete Idiot's Guide to Private Investigating, Third Edition: Discover How the Pros Uncover the Facts and Get to the Truth

Alpha

$19.96

$24.99
(20% Off)

More Details
Main highlights
$19.96
$24.99 (20% Off)
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Test Prep Books

Private Investigating Study Guide: Private Investigator Training Handbook and Practice Exam Questions [3rd Edition]

Test Prep Books

$17.49

More Details
Main highlights
$17.49
5
19% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Lynx Security Solutions LLC
19% Off

How to Start a Private Investigation Business: A Proven Blueprint for Success

Lynx Security Solutions LLC

$16.08

$19.95
(19% Off)

More Details
Main highlights
$16.08
$19.95 (19% Off)

Best private investigators - August 2025

Contracts For Private Investigators: Secrets No One Else Will Tell You

Shakespeare & Hathaway: Private Investigators: Season Three

The Complete Idiot's Guide to Private Investigating, Third Edition: Discover How the Pros Uncover the Facts and Get to the Truth

Private Investigating Study Guide: Private Investigator Training Handbook and Practice Exam Questions [3rd Edition]

How to Start a Private Investigation Business: A Proven Blueprint for Success

You may also like...

Introduction to Conducting Private Investigations: Private Investigator Entry Level (02E)

I, Spy: How to Be Your Own Private Investigator

The Everything Private Investigation Book: Master the techniques of the pros to examine evidence, trace down people, and discover the truth (Everything® Series)

How to Make Money as a Private Investigator: Essential Tactics Guaranteed to Boost Sales!

Private Investigator Training Study Flashcards | Learn How to Become a PI | Made in America

How to become a private investigator: Break into the industry with little or no experience

The Private Investigator Handbook: The Do-It-Yourself Guide to Protect Yourself, Get Justice, or Get Even

The Private Investigator’s Field Guide: Strategies and Checklists for Every Case

Marketing Basics for Private Investigators: How to Compete as a PI (How to be a Private Investigator)

Business Basics for Private Investigators: The Evolution of a PI Business (How to be a Private Investigator)

Sign up and get exclusive special deals