Put the What Three Words into Website Settings/Website Optimisation SEO/Structured Data

This would be a great feature in the Structured Data as Google and Bing would pick this up, this would also cause Google and Bing to start association between said business and what three words location.
This would benefit said business and user, not to mention more and more people are starting to use this map source information for location guidance on top of google maps and so on.

https://what3words.com/ways-to-use/

https://what3words.com/

Many of my customers have used it to locate us faster as we're a little out the way.