The range of investigative services includes, but is not limited to:

  • Criminal Investigations
  • Civil Investigations
  • Corporate Investigations
  • Domestic Investigations
  • Surveillance
  • Threat Assessments




Our Security Services include:

  • Uniformed/Plain Clothes Security Guards
  • Personal and V.I.P. Security Assessment/Protection
  • Loss Prevention
  • Alarm Response
  • K9 Services


Featured training programs:

  • ISN Investigative Interviewing System©
  • Private Investigator Course
  • Security Guard Course


Background Screening

Our background screening services include:

  • Criminal Record Checks
  • Fingerprinting
  • Screening Services



James CarmichaelISN is pleased to announce that James Carmichael, CPP has joined our team as the Vice President of Risk Management. James brings over 25 years of experience as an RCMP officer and 8 years working for well recognized companies at the international level. James specializes in security risk and threat analysis and is a significant asset to ISN’s Risk Management division by providing:
  • Security Program Review and Investigations
  • Issues and Crisis Management Response
  • Threat and Vulnerability Analysis
  • Foreign and Domestic Due Diligence Investigation
  • Cargo and Transportation Security
  • Supply Chain Risk Assessment
Welcome to the team, James!

Current Job Openings

Full Time and Part Time Security Guards

ISN is looking for licensed, qualified Security Guards in the Durham Region. Candidates must possess a valid Ontario Security license, a vehicle or reliable method of transportation.
Candidates must be able to work rotational shifts (nights/days/afternoons), and be able to work a minimum of 24 hrs per week, weekdays and weekends.
Previous Security experience is an asset, along with excellent Customer Service skills, and a professional/presentable appearance. Openings available for Full-Time and Part-Time with potential for growth within the company.


  View our training
  development team,
  click here.  

  View Course Calendar  
  to find more courses.

  We customize training   
  courses for

  Training Inquiries?
  Call our Training Division
  at 416-799-9581 or
  email to This email address is being protected from spambots. You need JavaScript enabled to view it.

Security Service Event

ISN provided a successful security service for Bethany Mota clothing line at Aeropostal’s new flagship store in Newmarket Ontario.

Ken Estabrooks Investigation

Saint John has hired Investigative Solutions Network to look into new sexual abuse allegations against a former police officer, Kenneth Estabrooks. 


If you have any information,
we would like to talk to you.

Call investigators Dave Perry
or Laura Bradbury at

506-608-3447(confidential Saint John number)

1-866-790-4764(confidential and toll free)

Investigative Solutions Network

Read News & Articles >>


Media Resource

Dave Perry Media Appearances

CBC News
Dave Perry
New data shows a jump in the number of stabbings in Toronto last year. Dave Perry discusses it on CBC News - January 21, 2015

Ron Wretham Media Appearances

CBC The National

Questions surround mystery tunnel. Ron Wretham discusses with Peter Mansbridge on CBC The National
- February 24, 2015

Mike Harvey Media Appearances

CTV News

ISN president Mike Harvey discusses RCMP shooting suspect - January 19, 2015

James Carmichael Media Appearances

CTV News

ISN VP Risk Management, James Carmichael on CTV News discusses massive search for suspect in Hostage-taking in Paris - January 10, 2015


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