Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
Checked and certified.
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "Checked and certified." is correct and usable in written English.
It can be used to indicate that something has been reviewed and officially approved or validated. Example: "The documents have been thoroughly checked and certified by the auditing team."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
3 human-written examples
He said it should consider requiring all new building products coming into the country that have the potential to contain asbestos to be independently checked and certified.
News & Media
Active and placebo drugs had similar aspects (checked and certified by qualified persons for each batch), i.e., vials of white, freeze-dried powder for parenteral use of hydrocortisone hemisuccinate 100 mg or placebo, and tablets for oral fludrocortisone 50 µg or placebo in blisters of ten.
Science
O'Neill and Teal'c later express familiarity with the events, and they are checked and certified to be in perfect health.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Ralph Williams, a spokesman for Titan, said the company was not responsible for checking and certifying Mr. Mehalba's background.
News & Media
Airbnb says it tells hosts to check and certify that they are following local rules before they list their space.
News & Media
The office of the archivist would establish better procedures and would be required to check and certify that the systems are doing the job.
News & Media
"There's no need anymore to have a watch that is certified and checked and things like that," said Al Gruber, a customer of Falt who recently retired from Metro-North after 36 years as a tower man and rail traffic controller.
News & Media
Officials in the city said the tax rebate checks would be sent out roughly 60 days after a final state budget was enacted and certified by the state comptroller, putting checks in voters' mailboxes in October.
News & Media
In order to check these things properly, you need the results from each individual polling station, counted, written down and certified on the spot, in the presence of independent witnesses.
News & Media
One person one vote, verified and certified.
News & Media
The modelling tools themselves should also be standardized and certified.
Expert writing Tips
Best practice
When using "checked and certified", ensure the context clearly indicates who performed the checking and certifying actions to maintain transparency and credibility.
Common error
Avoid using "checked and certified" as a blanket statement without specifying the criteria or standards used for checking and certification, which can weaken the statement's impact.
Source & Trust
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "checked and certified" primarily functions as a descriptive adjective, modifying a noun by indicating that it has undergone a process of verification and has been officially endorsed. Ludwig AI's examples demonstrate its use in diverse contexts, from building products to the health status of individuals.
Frequent in
News & Media
30%
Science
30%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "checked and certified" is a grammatically correct adjective phrase used to describe something that has been verified and officially approved. Ludwig AI shows that it is most commonly found in news and media, science, and wiki contexts. Although not very frequent, its usage is generally neutral to professional. To ensure clarity, always specify who performed the checking and certification. Related phrases include “verified and validated” and “inspected and approved”.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
Verified and validated
Replaces the original words with synonyms to convey a similar meaning of confirmation.
Validated and confirmed
Stresses the confirmation aspect after validation.
Inspected and approved
Focuses on the action of inspection followed by a positive judgement.
Authenticated and verified
Focuses on establishing authenticity and then verifying it.
Examined and accredited
Highlights a more formal examination leading to official accreditation.
Officially reviewed and certified
Specifies that the review process was official.
Audited and endorsed
Implies a thorough audit process resulting in formal endorsement.
Rigorously tested and certified
Adds the element of rigorous testing before certification.
Evaluated and certified
Highlights the evaluation process that precedes certification.
Certified as compliant
Emphasizes meeting certain compliance standards through certification.
FAQs
How can I use "checked and certified" in a sentence?
You can use "checked and certified" to describe something that has undergone a verification process and has been officially approved. For example, "The documents have been thoroughly checked and certified by the auditing team".
What are some alternatives to saying "checked and certified"?
Alternatives include "verified and validated", "inspected and approved", or "validated and confirmed", depending on the specific context.
In what situations is it appropriate to use the phrase "checked and certified"?
It's appropriate when you want to emphasize that something has not only been reviewed but also officially confirmed as meeting certain standards or criteria.
What's the difference between "checked and certified" and "verified and approved"?
"Checked and certified" implies a process of examination followed by an official endorsement. "Verified and approved" suggests that something has been proven true and subsequently given a positive judgement. Both are similar, but the nuance lies in the process implied.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested