Industry

51821 Computing infrastructure providers, data processing, web hosting, and related services

Fournisseurs d'infrastructures informatiques, traitement de données, hébergement de données et services connexes

Official definition

This industry comprises establishments primarily engaged in providing hosting or data processing services. Hosting establishments may provide specialized hosting activities, such as web hosting, video and audio streaming services, application hosting, application service provisioning, or may provide general time-share mainframe facilities to clients. Data processing establishments may provide complete processing and preparation of reports from data supplied by the customer; specialized services, such as automated data entry; or they may make data processing resources available to clients on an hourly or time-sharing basis.

Classification Reference

Official classification fields for this page

Official classification fields taken from the current StatCan source bundle.

Characteristic Description
Official titleComputing infrastructure providers, data processing, web hosting, and related services
ClassificationNAICS Canada 2022 Version 1.0
Publishing authorityStatistics Canada
Hierarchical levelIndustry
Parent code5182 - Computing infrastructure providers, data processing, web hosting, and related services
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 verification2026-08-13
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 (2026-08-13)
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 51821

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

01 51821
Digital publisher

Use this page when the file covers online editorial products, digital subscriptions, content release planning, and ad placements. It helps confirm whether 51821 Computing infrastructure providers, data processing, web hosting, and related services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

02 51821
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 51821 Computing infrastructure providers, data processing, web hosting, and related services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

03 51821
Film post-production coordinator

Use this page when the file covers edit suites, sound finishing, delivery masters, and post workflow. It helps confirm whether 51821 Computing infrastructure providers, data processing, web hosting, and related services is the closest NAICS Canada branch before BN registration, GST/HST review, banking onboarding, procurement notes, or internal classification work.

04 51821
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 51821 Computing infrastructure providers, data processing, web hosting, and related services 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

  • 51821Computing infrastructure providers, data processing, web hosting, and related services

Source row

51821Computing infrastructure providers, data processing, web hosting, and related 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 51821 cover?

Computing infrastructure providers, data processing, web hosting, and related services: This industry comprises establishments primarily engaged in providing hosting or data processing services. Hosting establishments may provide specialized hosting activities, such as web hosting, video and audio streaming services, application hosting, applica...

Which level of the hierarchy is 51821?

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

What is the parent of 51821?

It rolls up to 5182 Computing infrastructure providers, data processing, web hosting, and related services.

Should I stop at 51821 or go lower?

1 lower-level item(s) sit under this branch: Computing infrastructure providers, data processing, web hosting, and related services.

Are official inclusion notes attached to 51821?

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

Are there exclusion notes for 51821?

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

Does 51821 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 51821?

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.