Dear _____________
This is to inform you that I have purchased all of the interest of my former partner,_________________(name),and that he is no longer associated with _________________(name of firm).
Our business will continue to provide the same high quality products and service on which we have built our reputation and this internal change will in no way affect our company policy or manner of conducting business.
I would like to take this opportunity to thank you for the courtesies you have shown us in the past, and hope that you will let us continue to serve your business in a way that is mutually beneficial and profitable to us both.
Thank You,