Official Intermediary for the Province of Ontario

Register Ontario Sole Proprietorship

Start or renew your Ontario Sole Proprietorship online — fast, easy, and fully compliant. Includes digital certificate and optional CRA tax account setup.

What Is an Ontario Sole Proprietorship?

An Ontario Sole Proprietorship is a simple, unincorporated business owned by one individual. It’s the fastest and most affordable way to start a business in Ontario.

ServiceOntario refers to it as Business Name Registration — previously known as a Master Business Licence (MBL) for the sole proprietor business structure.

Low setup cost

Full control of your business

Tax simplicity

Ideal for freelancers, consultants, online sellers, and local service providers

Who Should Use This Service?

This service is right for you if:

🔄 If you’re registering with multiple owners, go to General Partnership Registration.
🏢 If you’re a corporation using a different name, see Ontario Trade Name.

Why Register Your Sole Proprietorship With Us?

Simple Steps

3 Simple Steps to Register or Renew an Ontario Sole Proprietorship

1

Fill Out Our Easy Online Form

Provide your desired business name, personal details, and business address.

2

We File With ServiceOntario

We complete the Business Name Registration process on your behalf — no Company Key needed.

3

Receive Your Business Name Certificate

You’ll receive your official Ontario Sole Proprietorship Certificate via email — typically within 1 business hour.

What’s Included in Your Registration Package

Business Name Registration or Renewal Filing
ServiceOntario Filing Fee
Electronic Registration Certificate
Optional Name Availability Check
Optional CRA Account Setup (BN, HST, Payroll)
Renewal Notifications for 5-Year Term
Ongoing Support for Edits, Cancellations, or Updates

Start Your Sole Trader Journey

Ontario Sole Proprietorship Package

Frequently asked questions

Need further assistance? Contact us [email protected]

It’s a business owned by one person that’s not incorporated. It operates under your personal legal name or a registered business name.

Yes. What used to be called the MBL is now officially called a Business Name Registration under the sole proprietorship type.

Your sole proprietorship registration is valid for 5 years and must be renewed before expiration.

Yes, we offer optional CRA setup, including BN, HST, and payroll account registration.

No registration is needed if you operate solely under your legal name. If using any other name (e.g., “Bright Lawn Care”), registration is required.

Start Your Business in Just 1 Hour

Get your Ontario Sole Proprietorship registered fast and legally, including your official business name certificate.

Optional Add-On Services

Upgrade your business start-up with:

Distinctive term

A distinctive term sets your name apart from that of other businesses offering the same goods or services. A distinctive term is the most crucial part of your name.

A descriptive term explains the nature of your company’s business.

Example 1

Proposed corporate name:

STACEY’S FLOWERS BOUTIQUE

The distinctive term is:

STACEY’S

The descriptive term is:

FLOWER BOUTIQUE

Example 2

Proposed corporate name:

FAST STOP CONVENIENCE STORE

The distinctive term is:

FAST STOP

The descriptive term is:

CONVENIENCE STORE

Note

Avoid entering the full proposed name in the ‘Distinctive Term’ field to prevent errors when ordering your NUANS Report.