{"id":15226,"date":"2025-10-29T17:26:50","date_gmt":"2025-10-29T17:26:50","guid":{"rendered":"https:\/\/www.ownr.co\/blog\/?p=15226"},"modified":"2025-10-29T17:26:50","modified_gmt":"2025-10-29T17:26:50","slug":"business-number-vs-corporation-number","status":"publish","type":"post","link":"https:\/\/www.ownr.co\/blog\/business-number-vs-corporation-number\/","title":{"rendered":"Business Number vs. Corporation Number in Canada: What is the Difference?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Confused about whether you need a Business Number or a Corporation Number? Both are essential in Canada, but they serve very different purposes.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The Business Number (BN) is a 9-digit identifier issued by the Canada Revenue Agency (CRA) for tax and program purposes, including GST\/HST, payroll, and import\/export. The Corporation Number, usually 7 or 8 digits, is assigned by Corporations Canada or a provincial registry when you incorporate. It\u2019s your company\u2019s official legal ID under federal or provincial law.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This article compares business numbers and corporation numbers, contrasts registration purposes, and clarifies legal distinctions so you\u2019ll know which number applies to your situation, when you\u2019ll need it, and how each supports compliance.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">What Is a Business Number (BN) in Canada?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The <\/span><a href="\&quot;https:\/\/www.canada.ca\/en.html\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CRA<\/span><\/a><span style=\"font-weight: 400;\"> issues a <\/span><a href="\&quot;https:\/\/ised-isde.canada.ca\/cc\/lgcy\/popMsg.html\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Business Number (BN)<\/span><\/a><span style=\"font-weight: 400;\"> to identify your company for tax and program accounts. This 9-digit number links your business to activities like <\/span><a href="\&quot;https:\/\/www.canada.ca\/en\/revenue-agency\/services\/tax\/businesses\/topics\/gst-hst-businesses.html\&quot;"><span style=\"font-weight: 400;\">GST\/HST<\/span><\/a><span style=\"font-weight: 400;\">, payroll, import\/export, and income tax. You\u2019ll use it whenever you interact with the CRA or other government authorities.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The BN is used for:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Filing income tax returns<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Charging and remitting GST\/HST<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Managing payroll deductions<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Handling import and export filings<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Each BN can have multiple program accounts linked to it. The base 9 digits stay the same, but extensions identify the purpose:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">123456789 RT 0001 \u2192 GST\/HST account<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">123456789 RP 0001 \u2192 Payroll account<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">These extensions make it easy to distinguish between tax responsibilities. In short, the BN anchors your business in Canada\u2019s tax system, ensures your compliance across different programs, and defines unique features of your tax identity. For a step-by-step guide, see Ownr\u2019s article on<\/span> \u00a0<a href="\&quot;https:\/\/www.ownr.co\/blog\/how-to-get-business-number-canada\/\&quot;"><span style=\"font-weight: 400;\">how to get a Business Number in Canada<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">What Is a Corporation Number in Canada?<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">A Corporation Number is a unique identifier assigned when you incorporate your business, either federally through <\/span><a href="\&quot;https:\/\/ised-isde.canada.ca\/site\/corporations-canada\/en\&quot;"><span style=\"font-weight: 400;\">Corporations Canada<\/span><\/a><span style=\"font-weight: 400;\"> or provincially through a registry such as the <\/span><a href="\&quot;https:\/\/www.ontario.ca\/page\/ontario-business-registry\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Ontario Business Registry<\/span><\/a><span style=\"font-weight: 400;\">. While the Business Number connects you to the CRA for taxes, the Corporation Number is strictly about your company\u2019s legal identity.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You\u2019ll use the Corporation Number to:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">File corporate documents<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Maintain records in your minute book<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Handle resolutions for directors and shareholders<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Stay compliant with federal or provincial corporate laws<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">The format varies slightly by jurisdiction, but it\u2019s typically a 7- or 8-digit number. For example, 12345678. This makes it easy to distinguish from the 9-digit Business Number issued by the CRA and differentiates identification formats between the two. It also connects to annual filings, where the government evaluates renewal procedures to confirm your corporation remains active and in good standing.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Key Differences Between Business Number and Corporation Number in Canada<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The main difference between a Business Number and a Corporation Number is that one identifies your business for tax purposes, while the other identifies your corporation as a legal entity.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here\u2019s a simple breakdown that summarizes key differences and breaks down the numbering structure:<\/span><\/p>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Aspect<\/b><\/td>\n<td><b>Business Number (BN)<\/b><\/td>\n<td><b>Corporation Number<\/b><\/td>\n<\/tr>\n<tr>\n<td><b>Issued By<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Canada Revenue Agency (CRA)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Corporations Canada (federal) or provincial registries (e.g., Ontario Business Registry)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Purpose<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Tax and program account identification (GST\/HST, payroll, import\/export, tax filings)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Legal entity identification for compliance, filings, and governance<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Format<\/b><\/td>\n<td><span style=\"font-weight: 400;\">9 digits + program extension (e.g., 123456789 RT 0001)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Typically 7 or 8 digits (e.g., 12345678)<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Usage<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Filing income tax, remitting GST\/HST, managing payroll deductions, and import\/export activities<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Filing corporate documents, maintaining minute books, director\/shareholder resolutions, and corporate compliance<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Applies To<\/b><\/td>\n<td><span style=\"font-weight: 400;\">All business types (sole proprietorships, partnerships, corporations)<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Only corporations<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>When Needed<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Upon registering for CRA program accounts<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Upon incorporation (federal or provincial)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">This table distinguishes usage scenarios and analyzes reporting requirements for both.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">How to Obtain a Business Number and Corporation Number in Canada<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">In Canada, you\u2019ll need two key identifiers: a Business Number for taxes and a Corporation Number for legal status. Here\u2019s how to get them.<\/span><\/p>\n<p><b>Business Number<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Assigned automatically when you register for a <\/span><a href="\&quot;https:\/\/www.canada.ca\/en\/revenue-agency\/services\/tax\/businesses\/topics\/business-registration\/business-number-program-account.html\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CRA program account<\/span><\/a><span style=\"font-weight: 400;\"> (e.g., GST\/HST, payroll, corporate income tax).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Apply online through <\/span><a href="\&quot;https:\/\/www.canada.ca\/en\/revenue-agency\/services\/tax\/businesses\/topics\/business-registration\/business-number-program-account\/how-register\/resident.html\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Business Registration Online (BRO<\/span><\/a><b>)<\/b><span style=\"font-weight: 400;\">, or by phone or mail.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In one step, you can register for your BN and accounts like GST\/HST (outside Quebec), payroll, or corporate tax.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Used for tax filings, remittances, payroll, import\/export, and compliance.<\/span><\/li>\n<\/ul>\n<p><b>Corporation Number<\/b><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Assigned when you incorporate federally with <\/span><a href="\&quot;https:\/\/ised-isde.canada.ca\/site\/corporations-canada\/en\&quot;"><span style=\"font-weight: 400;\">Corporations Canada<\/span><\/a><span style=\"font-weight: 400;\"> or provincially (e.g., through <\/span><a href="\&quot;https:\/\/www.ontario.ca\/page\/serviceontario\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">ServiceOntario<\/span><\/a><span style=\"font-weight: 400;\">).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Appears on your <\/span><a href="\&quot;https:\/\/ised-isde.canada.ca\/site\/corporations-canada\/en\/business-corporations\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">articles of incorporation<\/span><\/a><span style=\"font-weight: 400;\"> and corporate registry filings.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Can be found through a registry search or a lookup in the public record.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Serves as your corporation\u2019s legal ID for compliance and governance.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">How Ownr Simplifies Obtaining Your Business Number and Corporation Number<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">With <\/span><a href="\&quot;https:\/\/www.ownr.co\/product\/new-businesses\&quot;"><span style=\"font-weight: 400;\">Ownr<\/span><\/a><span style=\"font-weight: 400;\">, you don\u2019t have to navigate multiple government sites or confusing forms. The platform consolidates everything into a single, streamlined process.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Corporation Number<\/b><span style=\"font-weight: 400;\">: Assigned automatically when Ownr files your incorporation federally or provincially.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Business Number (BN)<\/b><span style=\"font-weight: 400;\">: Issued by the CRA once Ownr registers your program accounts (e.g., GST\/HST, payroll).<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Streamlined process<\/b><span style=\"font-weight: 400;\">: One platform instead of multiple government sites and forms.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Support tools<\/b><span style=\"font-weight: 400;\">: Digital minute book, legal templates, and compliance reminders.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Perks<\/b><span style=\"font-weight: 400;\">: Business bank account rebates with <\/span><a href="\&quot;https:\/\/www.rbcroyalbank.com\/business\/beyond-banking\/business-registration-and-incorporation.html\&quot;"><span style=\"font-weight: 400;\">RBC<\/span><\/a><span style=\"font-weight: 400;\"> and discounts on partner services.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">By handling incorporation and registration together, Ownr makes it faster and simpler to get both the numbers you need. To better understand how these numbers are used, read our\u00a0<\/span> <a href="\&quot;https:\/\/help.ownr.co\/en\/articles\/1157551-business-number-v-corporation-number\&quot;"><span style=\"font-weight: 400;\">Business Number vs. Corporation Number guide<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Key Takeaways<\/span><\/h2>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The Business Number (BN) is a CRA tax ID; the Corporation Number is a legal ID from federal or provincial registries.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The BN applies to all businesses for taxes, while the Corporation Number applies only to incorporated companies.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ownr streamlines both, providing the numbers quickly, as well as tools for compliance and perks.<\/span><\/li>\n<\/ul>\n<h2><span style=\"font-weight: 400;\">Frequently Asked Questions<\/span><\/h2>\n<h3><span style=\"font-weight: 400;\">Can I Use My Corporation Number for Tax Filings in Canada?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">No. The Corporation Number is only for legal identification. For tax filings, such as income tax, GST\/HST, and payroll, the <\/span><a href="\&quot;https:\/\/www.canada.ca\/en\/services\/taxes\/business-registration.html\&quot;"><span style=\"font-weight: 400;\">CRA<\/span><\/a><span style=\"font-weight: 400;\"> requires a Business Number (BN).<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Do I Need Both a Business Number and an HST Number if I Operate a Corporation in Canada?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Yes. Your Corporation Number identifies your business legally, while your Business Number links you to CRA tax accounts. If you collect sales tax, you also need an <\/span><a href="\&quot;https:\/\/www.canada.ca\/en\/revenue-agency\/services\/tax\/businesses\/topics\/gst-hst-businesses\/gst-hst-account\/register-account.html\&quot;" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">HST account<\/span><\/a><span style=\"font-weight: 400;\">, which is an extension of your BN (e.g., 123456789 RT 0001).<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Is the Corporation Number the Same Across All Provinces of Canada?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">No. The format may vary by jurisdiction (usually 7\u20138 digits), but the purpose is the same everywhere: it identifies your corporation as a legal entity.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Can I Operate without a Business Number in Canada?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">No. If you need to file taxes, hire employees, or charge GST\/HST, a Business Number is required. Without it, you cannot stay compliant with CRA requirements.<\/span><\/p>\n<h3><span style=\"font-weight: 400;\">Is the Business Number the Same as the HST Number?<\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Not exactly. The BN is the main 9-digit ID, while the <\/span><a href="\&quot;https:\/\/www.ownr.co\/blog\/how-to-get-gst-hst-number\/\&quot;"><span style=\"font-weight: 400;\">HST number<\/span><\/a><span style=\"font-weight: 400;\"> is one type of CRA program account attached to it (e.g., BN + RT extension).<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Confused about whether you need a Business Number or a Corporation Number? Both are essential in Canada, but they serve very different purposes. The Business Number (BN) is a 9-digit identifier issued by the Canada Revenue Agency (CRA) for tax and program purposes, including GST\/HST, payroll, and import\/export. The Corporation Number, usually 7 or 8<a href="\&quot;https:\/\/www.ownr.co\/blog\/business-number-vs-corporation-number\/\&quot;">&#8230;.<span class=\"sr-only\">&#8220;Business Number vs. Corporation Number in Canada: What is the Difference?&#8221;<\/span><\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[963,964,979,965],"tags":[],"class_list":["post-15226","post","type-post","status-publish","format-standard","hentry","category-before-you-start-a-business","category-business-stages","category-incorporation","category-ownrship-101"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Business Number vs. Corporation Number in Canada: What is the Difference? | Ownr Blog<\/title>\n<meta name=\"description\" content=\"Confused about business vs corporation numbers? 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