The standard way to find your Google Places ID, as mentioned before, is to go to https://developers.google.com/places/ place-id and search for your company name.
Sometimes your company won’t show up in the search above.
But there is a solution!
What is an easy way to find your Google Place ID?
Search for your business on Google.
Inspect the “Write a Review” button. To do this, right-click and choose “Inspect“.
Find “data-pid". If you use a Mac use shortcut isCommand + F and on PC you can use Ctrl+F.