Sincerely Sincerely yours Regards Yours truly and Yours sincerely. Formal business communication is on company letterhead and typically contains the writers signature below the closing salutation. Is Your Company Closing This December Here Is An Example Of A Business Closure Letter You Can Use Business Letter Closings Lettering Business Letter Template It will be awkward to close a nasty email to a debtor with Cheers or All the best. How do you sign off on a business letter . How do you end a letter respectfully. What to Include in Your Signature. When you use your closing sign-off. The format for this type of business communication is straightforward. And so after youve finished composing the perfect friendly letter or delightfully friendly greeting card message youve got to end your letter with a friendly BANG. Do not use casual signoffs like Love Cheers Later Ciao or Always These options do not match the formality of your letter. For example Regards Yours truly...