10 Best private investigators in Canada

Advertising Disclosure

Last Updated - 2026/07/02

Best Choice

01

Independently published

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

9.9

Exceptional
Curious about how we select the top products for you? Explore How It Works

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Value for Money

02

TarcherPerigee

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

9.8

Exceptional
03

Independently published

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

9.7

Exceptional
04

Test Prep Books

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

9.6

Exceptional
05

Independently published

Canadian Security Guard and Private Investigator Testing - Canadian Security Guard Practice

9.3

Excellent
06

Independently published

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

9.2

Excellent
07

Independently published

Marketing Basics for Private Investigators: How to Compete as a PI

9.0

Excellent
08

Coventry House Publishing

Introduction to Conducting Private Investigations: Private Investigator Entry Level (02E) (2018 Edition)

8.9

Very Good
09

Independently published

Sales Basics for Private Investigators: Proven Sales Strategies for PI’s

8.8

Very Good
10

Independently Published

Business Basics for Private Investigators: The Evolution of a PI Business

8.7

Very Good