Sector

55 Management of companies and enterprises

Gestion de sociétés et d'entreprises

Official definition

This sector comprises (1), comprises legal entities engaged only in holding the securities of subsidiaries and affiliates for the purpose of owning a controlling interest or influencing the management decisions of these businesses, or (2), establishments primarily engaged in administering, overseeing, and managing other establishments of the company or enterprise and which may also hold the securities of their subsidiaries and affiliates. A characteristic of economic units in this sector is that all activities are focused on serving the economic units of the enterprise group, that is, they do not provide services to unaffiliated establishment.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleManagement of companies and enterprises
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelSector
Parent codeTop-level sector
International correspondenceISIC Rev. 4; harmonized with US and Mexico NAICS at higher levels.
Sourcehttps://www.statcan.gc.ca/en/subjects/standard/naics/2022/v1/index
Source verification2026-05-05
Canada Business Context

Canada-wide tax and filing context

Canada-wide business, tax, and filing context from the local country pack and tax pack.

Characteristic Description
Tax authorityCanada Revenue Agency (CRA)
Business identifierBusiness 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 requirementsBusiness Number registration; Form T2125 (Statement of Business or Professional Activities) attached to T1; Form T2 (Corporation Income Tax Return); Form T5013; Form GST34
Sector authorityNo cluster authority recorded in the local country pack.

Classification Confidence Score

3 of 5 factors passing

6/ 10
Verified official sourcenaics-scian-2022-structure-v1-eng.csv (2026-05-05)
International crosswalkNo international correspondence found
Previous edition migrationNAICS 2017 to 2022 continuity confirmed
Complete hierarchy1 levels confirmed in hierarchy
Size or threshold documentedNot applicable for hub levels
Trade or export matchNo direct HS code correspondence in current bundle
Legacy crosswalkLegacy system (SIC 1980) retired in this region
Business Profiles

When you might need code 55

Professions specific to this sector are linked to this part of the Canadian classifier so the page speaks to real work teams.

01 55
Regional portfolio chief

Use this page when the file covers multi-entity oversight, investment reviews, operating mandates, and capital allocation. It helps confirm whether 55 Management of companies and enterprises is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 55
Shared services director

Use this page when the file covers centralized HR, finance, procurement, internal service delivery, and operating controls. It helps confirm whether 55 Management of companies and enterprises is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 55
Corporate strategy manager

Use this page when the file covers portfolio planning, acquisition reviews, group initiatives, and executive reporting. It helps confirm whether 55 Management of companies and enterprises is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 55
Holding company controller

Use this page when the file covers consolidated oversight, intercompany reporting, group finance packages, and board files. It helps confirm whether 55 Management of companies and enterprises is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

Business Map

Business categories in this branch

A rotating set of business activity examples linked to this part of the Canadian hierarchy.

Security workTravel supportFacilities servicesEmployment services

Source row

55Management of companies and enterprises

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 55 cover?

Management of companies and enterprises: This sector comprises (1), comprises legal entities engaged only in holding the securities of subsidiaries and affiliates for the purpose of owning a controlling interest or influencing the management decisions of these businesses, or (2), establishments prim...

Which level of the hierarchy is 55?

It is a sector page in the NAICS Canada 2026 hierarchy.

What is the parent of 55?

This page sits at the top sector level and has no parent page above it.

Should I stop at 55 or go lower?

1 lower-level item(s) sit under this branch: Management of companies and enterprises.

Are official inclusion notes attached to 55?

No inclusion rows are attached to this page in the local elements file.

Are there exclusion notes for 55?

No exclusion rows are attached to this page in the local elements file.

Does 55 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 Security work, Travel support, Facilities services, Employment services.

Is there an ISIC mapping for 55?

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.