• Company name, logo and letterhead

• Issue date and a reference / certificate number

• Intern's full name (and college/university for students)

• Internship type - summer, winter, industrial training or virtual

• Department / team and reporting role

• Exact duration: start date and end date

• Project title and a one-line description of the work

• Skills learned or responsibilities handled

• A remark on conduct / performance

• Authorized signatory: name, designation, signature and company seal

Standard Internship Certificate Format

[Company Letterhead]

Date: [DD/MM/YYYY]
Ref: [CERT/2026/001]

INTERNSHIP CERTIFICATE

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 during this period 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)

Internship Certificate with Project Details

[Company Letterhead]

Date: [DD/MM/YYYY]

CERTIFICATE OF INTERNSHIP COMPLETION

This is to certify that Mr./Ms. [Intern Name] has worked as a [Role, e.g. Software Development Intern] at [Company Name] from [Start Date] to [End Date] ([Duration]).

During this period, [he/she] was part of the [Team] team and contributed to the project "[Project Title]", which involved [one-line project description]. Key skills applied include [Skill 1, Skill 2, Skill 3].

[He/She] was sincere, professional, and a quick learner. We certify that the above information is true to the best of our knowledge.

For [Company Name]

_______________________
[Name], [Designation]
(Signature & Seal)

Virtual / Summer Internship Certificate Format

[Company Letterhead]

Date: [DD/MM/YYYY]

This is to certify that Mr./Ms. [Intern Name] successfully completed a [Summer / Virtual] Internship with [Company Name] from [Start Date] to [End Date].

The internship was conducted in [remote / hybrid] mode in the [Department] function. [He/She] worked on [Tasks / Project] and gained hands-on experience in [skills]. Throughout the internship, [his/her] commitment and performance were [Excellent / Very Good].

We appreciate [his/her] contribution and wish [him/her] the very best.

For [Company Name]

_______________________
[Authorized Signatory]
[Designation]