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Certificate of Completion (Act of Work Performed)

A certificate of completion confirms that the work or services under a contract were delivered and accepted. It is what your client's accountant needs before paying, and what protects you if a dispute starts. Fill in the form and get a ready document.

Шаг 1. Данные

Оформление документа

What to include

  • Number and date of the certificate, and the contract it refers to.
  • The contractor and the customer.
  • A list of the work or services — one line each, as they appear in the contract or invoice.
  • The period when the work was done.
  • The total amount and currency.
  • A statement that the customer has no claims, and signatures of both parties.

Tips from practice

Describe the work the same way it is described in the contract. If the contract says "website support, October", don't write "fixes and updates" in the certificate — mismatched wording is the first thing an auditor notices.

Send the certificate together with the invoice. If the client neither signs nor sends a reasoned refusal within the period set in the contract, keep proof that you sent it: in many countries this is enough to treat the work as accepted.

Kazakhstan and Russia

In Kazakhstan, companies often use the standard form R-1 for this document; in Russia the act is a primary accounting document and must contain the details required by the accounting law. If your accountant requires a specific form, upload it under "Approved form" and the generator will fill it in.

Frequently asked questions

Do I need a separate certificate for each month?

For ongoing services it is common practice to sign one certificate per month or per stage. For a one-time job, one certificate at the end is enough.

Can I create it from an existing contract?

Yes. If you made a service agreement here, press "Create an act for this contract" on its result page — the parties, contract number, services and amount are filled in for you.

Can the client sign it electronically?

That depends on your country's rules on electronic signatures and on your contract. You can download the Word file and convert it to PDF for e-signing.

Is there a VAT line?

Add VAT details in the works list or in the amount if you are a VAT payer. The template does not calculate tax.

This page and the generated documents are templates, not legal advice. See the Disclaimer.