It depends on how it is used.
Having repeated titles containing only your company name can hurt readability, CTR, and appear repetitive if multiple pages from your site are returned for the same query in search results.
On home pages, having the brand or company name as the title tag makes sense:
Meta title with the brand name on the main page
For service or product pages, you'll want the title tag to match what users are sample cell phone number in philippines searching for.
Many companies choose to highlight the product or service they are trying to sell and then add the company name at the end:
Meta title with product name and brand
In the example above, you will see the product “party dresses” and also the name of the company that sells the product.
Your brand name matches what customers are searching for, so it's a good idea to include it in your title tag.
Since your focus should be on getting people to click, only you can decide if your business name is needed to populate it.
Appropriate length of meta titles
Google breaks title tags that are longer than 55-60 characters and has a width limit of 600 pixels (but this may vary depending on the device being used).
Here's an example of a title tag when it breaks:
Meta title not complete
Note: Google has added the term “SEMrush” to the end of the meta title. It does this when the meta title includes a company/brand name in its query.
This is an example of a meta title with a correct length: