Certificate of Conformity Template
Certifies that a batch meets the standards and specification it was made to.
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| Certificate no. | [certificate no.] |
| Issued to | [customer] |
| Product | [product and specification] |
| Batch / lot | [batch no.] |
| Quantity | [quantity] |
| Date of issue | October 14, 2026 |
1. Conforms to
[add one standard or specification per line]
2. Declaration
We certify that the goods described above were manufactured, inspected and released in accordance with the standards and specification listed, and that the records supporting this certificate are retained and available for inspection.
What is a Certificate of Conformity?
A certificate of conformity is a signed statement from a manufacturer or supplier that a named batch of goods was made to a stated specification and meets stated standards. It matters at the receiving end: goods-in has to check something against something, and a customer, auditor or main contractor asking for evidence of compliance needs a document with a batch number on it. Without one, the delivery arrives with nothing behind it but a delivery note.
Manufacturers issue them with shipments; distributors pass them on; importers collect them for their own files. They are routine in construction materials, electrical goods, fasteners, chemicals, food contact packaging and protective equipment. Quality teams file the certificate against the purchase order as part of their goods receipt evidence, which is what an ISO 9001 auditor asks to see. Main contractors collect them across a project so that the completed building carries a traceable record of what went into it.
A general certificate of conformity is not the same thing as a regulatory declaration, and the regulatory ones have prescribed content. The EU Declaration of Conformity behind CE marking must contain what the applicable directive or regulation specifies; the UK Declaration of Conformity does the same for UKCA. The US has the Supplier's Declaration of Conformity for certain equipment, and India requires BIS certification and marking for scheduled goods. Check the specific regulation that applies to your product and market rather than assuming a general certificate will be accepted.
It is not a test report — it should reference or attach one, because a certificate asserting conformity with no underlying evidence is only a signature. It is not a warranty of performance in the buyer's application, unless the specification it cites describes that application. It is not a certificate of origin, which addresses where goods were made rather than to what standard. And it does not substitute for third-party approval where a notified body or accredited laboratory is legally required.
What to put in a Certificate of Conformity
These are the details this template asks for. Anything left blank is marked in red on the preview so you can see what is still missing.
| Field | What goes in it |
|---|---|
| Business name | For example: Barton Supply Co. |
| Your address | For example: Unit 7, Barton Road, Columbus, OH 43212 |
| Customer name | For example: Halliwell Interiors Inc. |
| Product | For example: Oak veneer panel, 2440 × 1220 × 18 mm, grade A/B |
| Batch or lot no. | For example: BT-2026-0914 |
| Quantity | For example: 420 sheets |
| Conforms to | One per line |
| Tests carried out optional | One per line: Test | Result |
| Certificate no. optional | For example: CERT/2026/0184 |
| Signed by | For example: Sarah Chen, Operations Manager |
How to write a Certificate of Conformity
Identify the batch, not just the product
Give the part number, the batch or lot number, the serial range where applicable, the quantity, the date or period of manufacture, and the customer's purchase order and delivery note numbers. A certificate naming only the product cannot be tied to the pallet standing in the warehouse, which is the exact job the document exists to do.
Name the specification and its revision
Cite the standard number with its year or edition, or the drawing and revision the parts were made to. 'Meets all applicable standards' asserts nothing and can be checked against nothing. Where several standards apply, list them individually, and state which clauses were assessed if only part of a standard is relevant to this batch.
State results or reference the evidence
List the characteristics that matter with their measured values and tolerances, or record pass and fail against defined tests. Where testing sits in a separate report, quote the report number, the date and the laboratory, and say whether that laboratory is accredited and to what. A certificate pointing at retrievable evidence is worth far more than one that merely asserts.
Declare any deviation or concession
If the batch differs from specification in any respect and was released under a written concession, say so on the certificate and reference the concession number and who approved it. Silent deviations are what destroy a supplier relationship, because they are found later by someone else, and every earlier certificate then falls under suspicion too.
Sign with a name, role and date
The signatory should be someone authorised to make the declaration on behalf of the organisation, with their name printed, their job title, the date and a contact route. An illegible signature with no title tells the reader that nobody in particular has taken responsibility, which is precisely what the certificate is supposed to establish.
Common mistakes
- Certifying a product with no batch or lot number produces a document that cannot be matched to the goods standing in front of the person reading it.
- Citing a standard without its year or edition leaves it unclear which version was actually met, and standards get revised.
- Issuing a general certificate where the regulation requires a formal declaration of conformity can see the goods refused at import or rejected on site.
- Signing without a printed name and job title means no identifiable person has taken responsibility for the statement being made.
- Declaring conformity to a standard nothing was tested against is a false statement with contractual and regulatory consequences, not a paperwork shortcut.
Frequently asked questions
What is the difference between a certificate of conformity and a declaration of conformity?
A declaration of conformity is a formal regulatory document whose content is set by the applicable legislation, such as the EU and UK regimes behind CE and UKCA marking. A certificate of conformity is the broader commercial document a supplier issues to confirm a batch met a specification. Where a regulation requires the declaration, the general certificate will not satisfy it.
Who issues a certificate of conformity?
Normally the manufacturer, because they hold the production and test records. A distributor or importer may issue their own confirming that the goods supplied are those covered by the manufacturer's certificate, and will usually pass the original through as well. Where a regulation requires third-party assessment, an accredited body issues that separate certificate instead.
Is it the same as a certificate of analysis?
No. A certificate of analysis reports measured results for a batch — assay, purity, dimensions — without necessarily judging them against a specification. A certificate of conformity states that the batch meets a named specification. In practice many suppliers issue both, or one document carrying the analysis results with a conformity statement above the signature.
Do I need one for every shipment?
That depends on the contract and the regulation. Many purchase orders require one per delivery, per batch, because that is the level at which traceability actually works. Some sectors accept a periodic certificate covering continuous production. Agree the requirement at order stage rather than at delivery, when a missing certificate holds up the goods receipt.
Can a certificate of conformity be electronic?
Usually yes, and most are now issued as PDFs. What matters to the receiving quality team is that the document is traceable to the batch, carries an identifiable signatory, and cannot be casually altered. Check whether your customer's contract, or the regulation applying to the product, requires any particular form of signature or record retention.
This page explains general practice and is not legal advice. Requirements differ between countries and, in some cases, between states — check what applies where the document will be used.