Having a direct link to your Google Business Review makes it more convenient for your customers. They no longer need to look your business up, click around, and then type up a review. It's a great way to remove additional barriers to getting reviews!
2 Steps to Getting Your Direct Link:
1. Look up your Google Place ID
Visit Google Place API and look up your business/place. Copy the Place ID.
2. Combine with Google Review URL
Paste your Google Place ID behind this url "https://search.google.com/local/writereview?placeid="
In my case I ended up with
Once you have this unique url, you can use it in emails, social media posts and on your website.