Confirm you are comfortable recommending the coworker
Ask for the job title, company, and role they are applying for
Review the coworker’s key accomplishments, skills, and projects
Use a professional tone throughout the letter
State your relationship to the coworker and how long you worked together
Mention the coworker’s strongest relevant qualities
Provide specific examples of their performance and impact
Highlight teamwork, communication, reliability, and leadership if relevant
Align your praise with the requirements of the target position
Keep the letter concise and focused
Include a clear recommendation statement
Offer to provide additional information if needed
Proofread for grammar, spelling, and accuracy
Use a proper business letter format
Address the letter to the appropriate person if known
Sign with your name, title, and contact information