1. Go to Linkedin.com to get the ID of your company page
2. as explained here https://docs.microsoft.com/en-us/linkedin/consumer/integrations/self-serve/plugins/follow-company-plugin
here is the code you will need to embed
<script src="https://platform.linkedin.com/in.js" type="text/javascript"> lang: en_US</script>
<script type="IN/FollowCompany" data-id="0000" data-counter="bottom"></script>
Just Change data-id with the code from step 1, in ShareDocView.com case it's 64634747
3 Embed code on your website...and tada!!!
p.s. Do hit follow! I know you want to! :)