Good day [recipient],
This is to let you know of the recent changes inside our company. As a result of a recent buyout, [name] is no longer associated with [name of company]. I will now be presiding over all of his interests in the company as well as all on going businesses he left behind.
Please expect no significant change in our products and services. This change in management will not affect you, our customers or your business with us in any way.
I assure you that I will do my best to keep our good relationship intact. I guarantee that our service will remain of the best quality as it has always been.
[Name of sender]