Step 0: Make sure you have a virtual card that you can freeze (eg. Revolut)
It’s just easier, LinkedIn makes it hard for you to find your card details.
Step 1: Create a fake LinkedIn account.
Step 2: Add every company you want to scrape on your fake account work history.
Step 3: Use Sales Navigator freemium version.
Step 4: In the filter list, select “Following your company”

6. Step 6: Don’t forget to exclude the people working for your competitor!
And there you go you have the full list of competitors.
Sources:
https://evaboot.com/blog/steal-competitors-audience-linkedin

