Is the Master Business Licence Still Valid in Ontario in 2026?
What replaced the Master Business Licence in Ontario, whether an old one is still valid, and how renewal works today.
Ontario no longer uses “Master Business Licence” as the current name for a new business-name registration. Today, the filing is called a Business Name Registration and is handled through the Ontario Business Registry. If you already have a registration issued under the older Master Business Licence terminology, the move to the new registry did not by itself cancel your registration. Business Name Registrations are generally valid for five years and can be renewed from six months before expiry until 60 days after the expiry date.
The term “Master Business Licence,” or MBL, is still widely recognized, which is why business owners continue to encounter it when searching for Ontario registration information. Today, new registrations and renewals are completed through Ontario’s current Business Name Registration system.
MD Legals provides Ontario Business Name Registration services for sole proprietorships, partnerships, and businesses operating under registered names.
What Replaced the Master Business Licence in Ontario?
Ontario now uses the term Business Name Registration for registrations commonly associated with the Master Business Licence.
The change accompanied the launch of the Ontario Business Registry in October 2021. The registry brought business-name registrations and many other provincial business filings into Ontario’s current online system.
Depending on the business structure, the registration may apply to:
- A sole proprietor carrying on business under a business name
- A general partnership operating under a registered firm name
- A corporation carrying on business under a name different from its legal corporate name
These registrations fall under Ontario’s Business Names Act, but the information required depends on the type of business being registered.
For current registration and renewal information, see the official Ontario Business Registry.
Is an Old Master Business Licence Still Valid?
An older registration does not become invalid simply because Ontario changed its registry system or terminology.
The key date is the registration’s expiry date.
Ontario Business Name Registrations are generally valid for five years. If an existing registration has not reached its expiry date, the change from “Master Business Licence” terminology to “Business Name Registration” does not by itself require the owner to obtain a new registration.
As the registration approaches expiry, you can renew it through the Ontario Business Registry.
This distinction is important: the terminology changed. The five-year registration period still matters.
Master Business Licence vs. Business Name Registration
The terms are closely related, but it is useful to distinguish between the older and current terminology.
| Term | What It Means |
|---|---|
| Master Business Licence (MBL) | Older terminology commonly associated with Ontario business-name registrations |
| Business Name Registration | Ontario’s current terminology for the registration |
| Trade name | A name a business or corporation uses to carry on business that differs from its applicable legal name |
| Sole proprietorship | A business structure owned by an individual, which may require a Business Name Registration depending on the name used |
If someone asks for your “Master Business Licence,” they may be referring to proof that your business name is registered in Ontario.
For a more detailed explanation of business names, operating names, registration requirements, and the filing process, see MD Legals’ complete guide to trade name registration in Ontario.
Who Needs a Business Name Registration in Ontario?
Changing the terminology did not eliminate Ontario’s business-name registration requirements.
Registration may be required when:
- A sole proprietor carries on business under a business name rather than only their own legal name
- Two or more people or entities carry on business as a general partnership under a firm name
- An existing corporation operates under a business or trade name different from its legal corporate name
For example, if 1234567 Ontario Inc. wants to carry on business publicly as Northside Property Services, the corporation may need to register Northside Property Services as its business name.
A sole proprietor operating strictly under their own legal name may not require a separate Business Name Registration.
If you’re still deciding which business structure is appropriate, MD Legals’ business registration services cover sole proprietorships, partnerships, trade names, corporations, and other registration options.
How Much Does a Master Business Licence Cost in Ontario?
For the registrations commonly associated with the old Master Business Licence terminology, Ontario currently charges:
- Sole proprietorship: $60
- General partnership: $60
- Business name for a corporation: $60
The registration is generally valid for five years.
Ontario limited partnerships are subject to different fees, so the $60 figure should not be treated as the fee for every business structure available through the Ontario Business Registry.
The same distinction applies when comparing a business-name registration with incorporation. Registering a business name does not create a corporation.
How Long Is a Business Name Registration Valid?
An Ontario Business Name Registration is generally valid for five years.
Renewal becomes available 6 months before the expiry date and remains available until 60 days after the expiry date.
If the registration has been expired for more than 60 days, Ontario does not allow a standard renewal. Instead, you must complete a new Business Name Registration.
That distinction matters because a new registration results in a new Business Identification Number (BIN).
Business owners should track the expiry date rather than waiting until the registration has already lapsed.
How Do You Renew an Old Master Business Licence?
You no longer look for a separate Master Business Licence renewal application.
The Ontario Business Registry handles renewal as a Business Name Registration renewal.
If the registration is active or has been expired for less than 60 days, you can complete the renewal through the registry during the permitted renewal window.
If it has been expired for more than 60 days, you will need to complete a new Business Name Registration instead.
For business owners who would rather have the filing handled for them, MD Legals can register or renew a business name and provide the resulting registration documents after processing.
Does a Master Business Licence Incorporate Your Business?
No.
A Business Name Registration does not create a corporation.
For example, registering a sole proprietorship under a business name does not turn it into a separate corporate entity. The individual remains the person carrying on the business.
Similarly, registering a business name for an existing corporation does not create a second corporation. It simply registers another name under which the existing corporation carries on business.
This is one of the most important distinctions between business registration and incorporation.
Does a Business Name Registration Protect the Name?
Not by itself.
Registering a business name in Ontario should not be confused with obtaining exclusive trademark rights.
A Business Name Registration records the name under which the business carries on business. It does not automatically prevent another party from using a similar name or establish Canada-wide trademark protection.
If the name will be an important long-term brand asset, additional name and trademark research may be appropriate before investing heavily in branding, signage, domains, or marketing.
Master Business Licence vs. Trade Name
A Master Business Licence and a trade name are related concepts, but they are not technically interchangeable.
A trade name describes a name under which a business operates that differs from its legal name.
For example:
- Legal name: 1234567 Ontario Inc.
- Trade name: Northside Property Services
The corporation remains 1234567 Ontario Inc., but it can register Northside Property Services as a business name.
The older term Master Business Licence referred more broadly to Ontario’s business-name registration documentation and was not limited only to corporate trade names.
MD Legals also provides trade name registration services for businesses that need to register an operating name.
What a Business Name Registration Does Not Do
Whether you call it a Master Business Licence or Business Name Registration, the filing has clear limits.
It does not:
- Incorporate a sole proprietorship or partnership
- Create a separate legal corporation
- Automatically provide exclusive rights to the business name
- Replace trademark registration
- Replace CRA tax registrations that may apply to the business
- Eliminate the need to renew the registration after its five-year term
Understanding these limits helps prevent a Business Name Registration from being mistaken for incorporation, trademark protection, or tax registration.
Frequently Asked Questions
Is a Master Business Licence still valid in Ontario?
Ontario now uses the term Business Name Registration rather than Master Business Licence for current business-name registrations. An older registration is not invalid simply because the terminology and registry system changed. Its registration and expiry dates still determine its status.
What replaced the Master Business Licence in Ontario?
Ontario’s current terminology is Business Name Registration, with registrations and renewals handled through the Ontario Business Registry.
When did Ontario stop using the Master Business Licence terminology?
Ontario launched the Ontario Business Registry in October 2021 and now uses Business Name Registration terminology for these filings.
How much does a Master Business Licence cost in Ontario?
Ontario currently charges $60 for a new or renewed Business Name Registration for a sole proprietorship, general partnership, or business name used by a corporation. Other structures can have different fees.
How long is an Ontario Business Name Registration valid?
A Business Name Registration is generally valid for five years. Renewal is available beginning six months before expiry and remains available until 60 days after the expiry date.
What happens if my Master Business Licence expired more than 60 days ago?
If the Business Name Registration or older Master Business Licence has been expired for more than 60 days, it can no longer be renewed. You must apply for a new Business Name Registration, and Ontario will issue a new Business Identification Number.
Is a Master Business Licence the same as incorporation?
No. A Business Name Registration does not create a corporation or provide the legal characteristics of incorporation. It registers the name under which the applicable person, partnership, or corporation carries on business.
Is a Master Business Licence the same as a trade name?
Not exactly. A trade name is an operating name used by a business that differs from its legal name. Master Business Licence is older terminology associated more broadly with Ontario business-name registration documentation.
Need to Register or Renew Your Ontario Business Name?
You do not need to search for a separate “Master Business Licence” application. The Ontario Business Registry handles current registrations and renewals as Business Name Registrations. MD Legals can handle the filing and provide your completed registration documents once the registration is processed.
This guide provides general information and is not a substitute for legal, accounting, or tax advice. Ontario registration terminology, fees, filing procedures, and government requirements can change.
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