The standard internship completion letter format with ready-to-copy samples. Copy a letter and edit it in Word, or fill the generator to download a certificate PDF instantly. Free, no signup.
[Company Address]
To Whom It May Concern,
This is to certify that [Intern Name], has successfully completed summer internship at [Company Name] from [Start Date] to [End Date].
The intern's performance during the internship was excellent. We found the intern to be dedicated, enthusiastic, and quick to learn. The intern demonstrated strong work ethic and collaborated well with the team.
We wish the intern all the best for future academic and professional endeavors.
For [Company Name]
[Authorized Signatory]
HR Manager
Fill company name, intern name, and dates to download
Disclaimer: This tool generates an internship certificate template for reference purposes. For official documentation, please use your company's official letterhead and obtain proper authorization.
Standard internship completion letter format
Ready-to-copy letter samples
Letter vs certificate guidance
Editable in Word or Google Docs
Or generate a certificate PDF instantly
Free - no signup required
Issue a formal internship completion letter on your letterhead when an intern finishes.
Request the right document - a completion letter or certificate - for your college and placements.
Share a standard completion-letter format students can obtain from their host company.
A valid completion letter follows a simple structure. Make sure yours covers each of these:
Company letterhead with name, logo and address
Issue date and a reference / certificate number
Salutation - "To Whom It May Concern" (or addressed to the intern)
Intern's full name and college/university (for students)
Internship type, department and exact duration (start and end dates)
Project or work handled and skills applied
A line confirming successful completion, conduct and performance
Closing and authorised signatory: name, designation, signature and company seal
Copy a letter, replace the placeholders in [brackets], and print on your company letterhead. Prefer a certificate instead? Use the internship certificate generator or see the full internship certificate format & samples.
[Company Letterhead] Date: [DD/MM/YYYY] Ref: [CERT/2026/001] TO WHOM IT MAY CONCERN This is to certify that Mr./Ms. [Intern Name], a student of [College/University], has successfully completed an internship at [Company Name] in the [Department] department from [Start Date] to [End Date]. During the internship, [he/she] worked on [Project / Area of Work] and demonstrated [skills/qualities]. [His/Her] conduct and performance throughout the internship were found to be [Excellent / Very Good / Good]. We wish [him/her] success in all future endeavours. For [Company Name] _______________________ [Authorized Signatory Name] [Designation] (Company Seal)
[Company Letterhead] Date: [DD/MM/YYYY] Ref: [CERT/2026/002] TO WHOM IT MAY CONCERN This is to certify that Mr./Ms. [Intern Name] has successfully completed [his/her] internship as a [Role, e.g. Software Development Intern] at [Company Name] from [Start Date] to [End Date] ([Duration]). [He/She] was part of the [Team] team and contributed to the project "[Project Title]", which involved [one-line description]. Key skills applied include [Skill 1, Skill 2, Skill 3]. [His/Her] commitment and professionalism were commendable throughout the internship. We certify that the above information is true to the best of our knowledge and wish [him/her] the very best. For [Company Name] _______________________ [Name], [Designation] (Signature & Seal)
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Ready-to-use internship certificate formats for summer, industrial, virtual and project internships, in the standard Indian company-to-student format.
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