Google Stacking SEO

The process of getting an GMB listing as well as a web page to the first page of SERPs is usually performed (building the authority of domains for an organization) using websites and content relevant to their respective industries and by using SEO best practices for blogs, articles as well as other content. Building authority in domains and entities is a topic all by it, but they are the primary drivers for rankings in the SERPs for keywords that are money-related provided you have your company's entity and your domain's relevancy accomplished through the use of great techniques for on-page SEO and the best methods.
The creation of a brand-named collection of Google stacks, also known as Google entities as well as Google app properties to build an entity or brand, and then injecting them with relevant optimized content, then weaving these resources into your link strategy can be an extremely effective way to establish authority for your entity and also the online brand's equity. It is common to start with Google Sites to act as the primary source of Google drive, which is the parent in Google drive stack. Everything else within the Google stack is linked to or from the Google site, and all of these Google assets are embedded in Google Sites. Google site. Another excellent asset to add to include is that of the Google Business Profile (GBP) website, which includes embedded Google reviews directly on Google's Google site. Review link juice that is contained within this Google site is extremely efficient. It could be classified as an Google PBN if you want to categorize it in a different manner.

It is not black hat SEO. Google stack links are natural if they are do-follow and backlinks with high value anchor text. It is a white hat stacking. It will boost your site reputation as well as your rankings. But, it will not increase traffic to your website instantly.
Google Stacks is an authoritative SEO strategy that allows you to build backlinks on several Google platforms to other entity assets like the company's website. These “Google Entities” include content in assets like Google Docs, Google Sheets, Google Maps, Youtube and more.

Any other method that creates backlinks in a short time and takes link juice from unrelated websites could be considered an illegal strategy. This is not the case with Google properties. Why?

It's possible to think that Google stacking is a black-hat strategy since it generates backlinks in a short time, and also borrows links from Google platforms. Based on these two factors it's almost true.