What is a company_id?

In LinkedIn, each company is associated with a global unique id that’s called a company_id in our API. For example, the company_id of “Apple” is 162479. It’s used some endpoints like “Search Employees”, “Search Jobs”, or “Search Posts” to filter the records by company.

How to find it?

Simply go this free people search page, put in your target company name (i.e Apple) and you’ll see the company_id in the address bar.