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Internship Completion Certificate

Internship Completion Certificate. Fill it in online, choose the tone, witness block and layout, and download a print-ready PDF.

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Internship Completion Certificate - sample

Northwind Ltd.
12 Main Street, London EC1A 1BB

Ref. no.: REF-2026-014
Date: 05/10/2026

Internship Completion Certificate

TO WHOM IT MAY CONCERN

This is to certify that Maria Garcia successfully completed an internship with Northwind Ltd. as Senior Accountant from 05/10/2026 to 05/10/2026. During this period Maria Garcia worked on a customer-data cleaning and reporting project and showed dedication, discipline and a willingness to learn.

We wish Maria Garcia every success in the future.

For Northwind Ltd.


Anna Lopez
HR Manager

Place: Manchester

Fill in and download - free

Internship Completion Certificate

A certificate or declaration is a short official statement of a fact - that someone is a student, an employee or a resident, is of good character, or has cleared their dues - issued by an institution or by a person who knows the facts.

When to use it

  • Bonafide, character or residence proof for school, bank or visa
  • Employment and salary certificates for loans and visas
  • No-dues and course-completion certificates
  • Declarations for income, address or name change

How to write Internship Completion Certificate

  1. Use the letterhead of the issuing organisation, or your own details if you issue it as a person.
  2. Give the person's full name and the exact facts being certified.
  3. Mention the purpose and the date. Include only facts you can stand behind.
  4. Sign it, add the stamp or seal of the issuer, and give the original to the person who asked for it.

Attach with it

  • Proof of identity
  • Letterhead and seal of the issuer

Common mistakes

  • Certifying facts you cannot prove
  • Missing date, signature or seal

Options you can choose

Tone and salutation, validity statement, ID-copies note, witness boxes, execution note (notary / stamp paper / oath), QR or reference box, four layouts and - in any language except English - a side-by-side English copy.

How to write a Internship Completion Certificate

  1. Fill in the form: Issued by (organisation / institution, or your name), Company address, Reference number, Intern's full name, Job title / position, From.
  2. Add your letterhead, logo, footer or watermark if you like.
  3. Download a print-ready PDF - or send it for e-signature.

Certificates & declarations →

FAQ

Who can issue a certificate?

The organisation that knows the facts - a school, employer, society or local authority - or, for a declaration, you yourself. Offices usually want it on letterhead with a stamp or seal.

Is a self-declaration valid?

For many purposes yes, if the receiving office allows it. For legal use you may need a notarised affidavit or an official certificate.

How long is a certificate valid?

There is often no legal expiry, but offices commonly accept a certificate only for 3 to 6 months from its date.

Is this Internship Completion Certificate template free?

Yes. You can fill it in online and download it as a PDF for free, without installing anything.

Can I change the wording?

Yes. Every sentence of the document can be edited on the page before you download it.

Is this template available in other languages?

Yes - the same document is available in 2 languages. Use the language links on this page.

This is a general template, not legal advice. Check any requirements that apply in your country or organisation.

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