It’s generally advisable to register your business name before you start operating, especially if you want to establish a legal entity and protect your brand. Here are the steps to consider:

1. **Business Name Search**: Before registering, perform a business name search to ensure that your desired name is available and not already in use by another business in your jurisdiction. This step helps you avoid potential trademark conflicts.

2. **Choose a Legal Structure**: Decide on the legal structure for your business (e.g., sole proprietorship, LLC, corporation). The registration process may vary depending on your chosen structure.

3. **Register Your Business**: Register your business name with the appropriate government authorities. This process typically involves filing the necessary paperwork, paying the required fees, and providing information about your business.

4. **Trademark Registration (Optional)**: Consider trademarking your business name and logo to protect your brand at a national or international level. Trademark registration offers legal protection against others using your brand name without permission.

5. **Obtain Necessary Licenses and Permits**: Depending on your location and the nature of your business, you may need additional licenses or permits to operate legally.

6. **Create a Business Bank Account**: Once your business name is registered, you can open a separate business bank account to manage your finances.

7. **Start Operating**: With all the necessary registrations and legalities in place, you can start operating your business.

Registering your business name first provides legal clarity and helps prevent issues down the road. It also gives you the exclusive right to use that name in your industry within your jurisdiction. However, the exact process may vary depending on your location and the type of business you’re starting, so it’s essential to research the specific requirements in your area or consult with a legal professional or business advisor for guidance.