Official definition
This industry group comprises establishments primarily engaged in providing investigation and detective services, guard and patrol services, armoured car services and security system services.
Industry group
5616 Investigation and security services
Services d'enquêtes et de sécurité
Industries
Next level
Fully clickable cards for the next layer in the hierarchy.
56161
3 Canadian industries
Industry
Investigation, guard and armoured car services
This industry comprises establishments primarily engaged in providing investigation and detective services; providing guard and patrol serv...
Canadian industries
3
Canadian industries
3
Open item ->
56162
2 Canadian industries
Industry
Security systems services
This industry comprises establishments primarily engaged in remote monitoring of security alarm systems, such as burglar and fire alarms; a...
Canadian industries
2
Canadian industries
2
Open item ->
Official classification fields for this page
Official classification fields taken from the current StatCan source bundle.
| Characteristic | Description |
|---|---|
| Official title | Investigation and security services |
| Classification | NAICS Canada 2022 Version 1.0 |
| Publishing authority | Statistics Canada |
| Hierarchical level | Industry group |
| Parent code | 561 - Administrative and support services |
| International correspondence | ISIC Rev. 4; harmonized with US and Mexico NAICS at higher levels. |
| Source | https://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index |
| Source verification | 2026-05-05 |
Canada-wide tax and filing context
Canada-wide business, tax, and filing context from the local country pack and tax pack.
| Characteristic | Description |
|---|---|
| Tax authority | Canada Revenue Agency (CRA) |
| Business identifier | Business Number (BN): 9-digit identifier with program account suffixes such as RT0001 for GST/HST, RP0001 for payroll, and RC0001 for corporate income tax. |
| Filing requirements | Business Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34 |
| Sector authority | No cluster authority recorded in the local country pack. |
Classification Confidence Score
3 of 5 factors passing
6/ 10
Verified official source — naics-scian-2022-structure-v1-eng.csv (2026-05-05)
International crosswalk — No international correspondence found
Previous edition migration — NAICS 2017 to 2022 continuity confirmed
Complete hierarchy — 3 levels confirmed in hierarchy
Size or threshold documented — Not applicable for hub levels
Trade or export match — No direct HS code correspondence in current bundle
Legacy crosswalk — Legacy system (SIC 1980) retired in this region
Business Profiles
When you might need code 5616
Professions specific to this sector are linked to this part of the Canadian classifier so the page speaks to real work teams.
01
5616
Staffing agency manager
Use this page when the file covers temporary placements, recruiter teams, employer requests, and candidate pipelines. It helps confirm whether 5616 Investigation and security services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.
02
5616
Security guard firm owner
Use this page when the file covers patrol teams, guard rosters, client posts, and incident coverage. It helps confirm whether 5616 Investigation and security services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.
03
5616
Travel services coordinator
Use this page when the file covers itinerary support, reservation handling, travel packages, and corporate bookings. It helps confirm whether 5616 Investigation and security services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.
04
5616
Recycling yard operations lead
Use this page when the file covers material sorting, baling lines, scrap intake, and recycling dispatch. It helps confirm whether 5616 Investigation and security services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.
Business categories in this branch
A rotating set of business activity examples linked to this part of the Canadian hierarchy.
In this section
Source row
5616Investigation and security services
This page mirrors the source row from the structure CSV and the matching rows from the elements and crosswalk files.
Frequently asked questions
What does code 5616 cover?
Investigation and security services: This industry group comprises establishments primarily engaged in providing investigation and detective services, guard and patrol services, armoured car services and security system services.
Which level of the hierarchy is 5616?
It is a industry group page in the NAICS Canada 2026 hierarchy.
What is the parent of 5616?
It rolls up to 561 Administrative and support services.
Should I stop at 5616 or go lower?
2 lower-level item(s) sit under this branch: Investigation, guard and armoured car services, Security systems services.
Are official inclusion notes attached to 5616?
No inclusion rows are attached to this page in the local elements file.
Are there exclusion notes for 5616?
No exclusion rows are attached to this page in the local elements file.
Does 5616 include illustrative examples?
No example rows are attached on this page in the local elements file.
What kinds of businesses often start from this page?
Examples in this branch include Gas supply, Water systems, Power distribution, Utility maintenance.
Is there an ISIC mapping for 5616?
No ISIC correspondence row is attached to this page.
Does this page show a US NAICS reference?
No same-code US NAICS reference row is attached on this page.
Why are both English and French titles shown?
NAICS Canada is bilingual, so the page keeps both language titles visible for comparison and lookup.
Where does the page text come from?
From the local StatCan structure file, elements file, ISIC crosswalk, and the bundled US 6-digit reference workbook.