
The truth, uncovered.
Sudbury's only locally-based private investigation firm. 30+ years of discreet surveillance, corporate due diligence, and evidence that holds up — anywhere in Ontario.
Cases closed
Years experience
Avg. response
Confidential
What we do
Investigative services built for results.
Every case is unique. Every approach is tailored. Here's where we deliver.
Surveillance
Court-admissible video evidence, covert observation and detailed activity reports.
Learn moreBackground & OSINT
Deep-dive open-source intelligence, identity verification and pre-employment screening.
Learn moreCorporate Investigations
Workplace misconduct, fraud, theft, due diligence and undercover operations.
Learn moreInsurance Investigations
Claim verification, fraud investigation and statements that protect your bottom line.
Learn moreLegal Support
Process serving, locates, criminal checks and litigation support for law firms.
Learn morePrivate / Domestic Investigations
Infidelity, child custody, elder care and family matters — handled with empathy and discretion.
Learn moreCriminal Investigations
Defence-side investigations, witness interviews and independent evidence review.
Learn moreSIU (Special Investigation Unit)
Specialized insurance fraud, organized claim ring and high-value file investigations.
Learn moreTraining
Reference information on becoming a licensed Private Investigator in Ontario.
Learn moreWhere we work
Coverage across Ontario.
Boots on the ground with deep local expertise in the North and the Sudbury District.
Northern Ontario
Local knowledge from Sault Ste. Marie to Timmins, North Bay to Thunder Bay — including remote communities and reservations.
Sudbury District
Comprehensive coverage of Greater Sudbury and surrounding communities — every neighbourhood, township and outlying area.
Southern Ontario
GTA, Ottawa, Hamilton, Niagara, London, Windsor and beyond — full investigative support across the South.
How it works
Four steps from uncertainty to clarity.
No drawn-out sales process. No legal jargon. Just answers — fast.
Start your case todayConfidential Consultation
Call or message us. We listen, ask the right questions, and assess feasibility — at no cost.
Strategy & Quote
You get a clear plan, fair flat or hourly pricing, and zero hidden fees before we begin.
Discreet Investigation
Our licensed investigators execute the plan using modern tech and old-school field craft.
Court-Ready Report
You receive a detailed, evidence-backed report — usable in court, HR, or your personal decisions.

Years of combined investigative experience across Ontario.
About T.R.I.O.
The only PIs based in Sudbury.
True Reliable Investigations Ontario Inc. was founded to bring world-class investigative work to Northern Ontario — without the wait, the markup, or the travel fees. We live here. We work here. And when the case demands it, we travel anywhere in the province.
- Licensed under the Ontario Private Security and Investigative Services Act
- Multi-investigator team for complex or time-sensitive cases
- Modern surveillance tech paired with proven field tradecraft
Trusted
What clients say.
"Very professional and patient! Great communication with a thorough detailed report. Thank you for your time and effort."
"T.R.I.O. handled a sensitive corporate matter for us with absolute discretion. The evidence was airtight."
"After months of doubt, I finally had clarity. Compassionate, fast, and the report spoke for itself."
Answers
Frequently asked questions.
Professional Standards
Associates & Affiliations.
CPIO
Council of Private Investigators of Ontario
ACFE
Association of Certified Fraud Examiners
OIAA
Ontario Insurance Adjusters Association
CPIRC
Canadian Private Investigators Resource Centre
Free consultation
Ready for answers?
Tell us briefly what's going on. We'll respond within 24 hours — confidentially.