Awesome post with great hacks for seo-friendly rebranding. I really like the points that you have listed. Avoid deciding a new name without checking the web is really a good idea. I also like the list of several vital things to consider that you have mentioned, whereas considering thee things will helps a lot. Keeping the same URL structure will be helpful, whereas the web developer performs all the necessary tasks and work with URL. Using the spreadsheet to organize the URLs while changing the structure is really a good idea. Dedicating the whole page to an old brand will be a great help, whereas it is necessary to create a page that explains the changes made and reason for reasons for rebranding. Social media is one of a great platform to promote the new brand and it also helps to generate more traffic to the new website. Your all the listed hacks are effective for seo-friendly rebranding, but i truly like an ideas of using social media platform, Dedicating an entire page to old brand, keeping the same URL structure and using the spread sheet to organise the url, while changing structure.

Really helpful post and Thanks for sharing.