Employers letters of recommendation are sensitive documents. They're extremely important to job applicants, and should be issued with due care and emphasis on quality.
As an employer, you will recognize that the key information in a good letter of recommendation from an employer is all practical, and highly informative.
The reader of your letter needs to see:
To Whom It May Concern:
(Title and Name of referred person) was employed by my firm for a period of (number of years) as (title of positions).
During that time (Mr. / Ms. demonstrated great skill and commitment in his / her role(s).
Mr. / Ms. has an extremely high capacity for dealing with heavy workloads, and working intelligently in demanding time frames with deadlines. His / her skills in customer relations are in my opinion exceptional, and he / she shows a great talent for dealing with difficult, touchy, matters. His / her work was of a particularly high standard, and he / she trained many of our staff.
Mr. / Ms is a particularly reliable, self starting, employee, and we were truly sorry we were unable to retain his / her services when circumstances changed.
I will be happy to provide further information if required. Please contact me on the above contact references.