Industry

51321 Software publishers

Éditeurs de logiciels

Official definition

This industry comprises establishments primarily engaged in publishing computer software, usually for multiple clients and generally referred to as packaged software. These establishments carry out operations necessary for producing and distributing computer software, such as designing, providing documentation, assisting in installation and providing support services to software purchasers. They may design and publish, or publish only.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleSoftware publishers
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelIndustry
Parent code5132 - Software publishers
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 authorityOffice of the Privacy Commissioner of Canada and Quebec Law 25 authorities

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 hierarchy4 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 51321

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

01 51321
Digital publisher

Use this page when the file covers online editorial products, digital subscriptions, content release planning, and ad placements. It helps confirm whether 51321 Software publishers is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 51321
Telecom network product manager

Use this page when the file covers telecom offerings, subscriber products, network service packaging, and rollout plans. It helps confirm whether 51321 Software publishers is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 51321
Film post-production coordinator

Use this page when the file covers edit suites, sound finishing, delivery masters, and post workflow. It helps confirm whether 51321 Software publishers is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 51321
Data processing service operator

Use this page when the file covers hosted processing jobs, database runs, batch output, and managed platform services. It helps confirm whether 51321 Software publishers 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.

Streaming mediaData processingPlatform servicesTelecom operationsPublishing servicesInformation delivery

In this section

  • 51321Software publishers

Source row

51321Software publishers

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 51321 cover?

Software publishers: This industry comprises establishments primarily engaged in publishing computer software, usually for multiple clients and generally referred to as packaged software. These establishments carry out operations necessary for producing and distributing computer...

Which level of the hierarchy is 51321?

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

What is the parent of 51321?

It rolls up to 5132 Software publishers.

Should I stop at 51321 or go lower?

2 lower-level item(s) sit under this branch: Software publishers (except video game publishers), Video game publishers.

Are official inclusion notes attached to 51321?

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

Are there exclusion notes for 51321?

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

Does 51321 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 Streaming media, Data processing, Platform services, Telecom operations, Publishing services, Information delivery.

Is there an ISIC mapping for 51321?

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.