Creating a LinkedIn business page is a great way to promote your company and its products or services to a professional audience. Here's a step-by-step guide on how to create a LinkedIn business page:

1. Go to the LinkedIn homepage and click on the "Work" dropdown menu in the top right corner. Then select "Create a Company Page" from the menu.
2. You will be taken to a page where you can enter your company's name, website, and industry. Make sure to choose the correct industry category as it will help LinkedIn users find your company more easily.
3. Click "Continue" to proceed to the next step, where you will be asked to provide a brief description of your company. Keep it brief and to the point, highlighting the main products or services your company offers.
4. The next step is to upload a profile picture for your company. This should be a high-quality image that represents your brand, such as your company logo.
5. Next, you can add a cover photo to your LinkedIn business page. This should be a larger image that represents your company and its culture.
6. Once you have completed these steps, click "Create Page" to create your LinkedIn business page.
7. After your page is created, you can start adding more information to it. You can add details about your company's history, mission, and values, as well as information about your products or services.
8. You can also start building your company's network by adding employees as "followers" of your LinkedIn business page. This will help increase the visibility of your company and its products or services to a wider audience.
9. To help promote your LinkedIn business page, you can share updates and news about your company on the page. You can also share relevant articles, blog posts, and other content to help establish your company as an industry leader and thought leader.
10. You can also use LinkedIn's advertising tools to promote your business page to a specific target audience. You can create sponsored content or sponsored InMail to reach specific users or target specific industries or job titles.
11. Finally, don't forget to regularly update your LinkedIn business page with fresh content and engage with your followers by responding to comments and messages. This will help keep your page active and relevant, and help you build a strong online presence for your company.

In conclusion, creating a LinkedIn business page is an important step for promoting your company and its products or services to a professional audience. By following these steps and regularly updating your page with fresh content, you can build a strong online presence for your business on LinkedIn.