Dear

It is our great pleasure to inform you that you have
been promoted to the challenging and demanding position
of (position)

This promotion is in recognition of the fine work you
have done for this firm. We are very confident that you
will meet the new responsibilities which accompany the
position of (position) with the same level of
enthusiasm and enterprise which you have exhibited since
you came to work with our firm.

Please accept our congratulations on your new promotion.