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
a courtesy of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a courtesy of" is correct and usable in written English.
It is typically used to indicate that something is being provided or made available as a favor or kindness from someone or an organization. Example: "This event is being held at the community center, a courtesy of the local council."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
16 human-written examples
The print is a courtesy of the Cinematheque Francaise and the Cine tecta Italia (Milan).
News & Media
RXTX binary builds provided as a courtesy of Mfizz Inc. (http://mfizz.com/).
Even the time limit, a courtesy of the modern hospitality industry, only discouraged visitors from getting to the bottom of the bottomless.
News & Media
"I haven't, for the sort of reasons which are made clear in the report by Nick Pollard, which has done a courtesy of reading the Royal Charter and the roles of the BBC and BBC Trust.
News & Media
There is a courtesy of the heart.
News & Media
-Chuang-tzu There is a courtesy of the heart.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Speaking of Germans and cellphones, today we learn that the HTC Kaiser is indeed coming to the US-and-A, courtesy of AT&T.
News & Media
But the second act gets a lift, courtesy of a strong performance by LisaGay Hamilton.
News & Media
In between was a safety, courtesy of a holding call in the endzone against Justin Hartwig.
News & Media
He and his husband have a son courtesy of a surrogate in California.
News & Media
AI is having a resurgence, courtesy of a ten-year approach called neural networks.
News & Media
Expert writing Tips
Best practice
When using "a courtesy of", ensure the context clearly indicates that something is being provided as a favor or act of goodwill. This enhances the positive connotation of the phrase.
Common error
Avoid using "a courtesy of" when a simple statement of source is sufficient. The phrase implies a deliberate act of kindness, so it's unsuitable for neutral factual statements about origins.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a courtesy of" functions as a prepositional phrase that modifies a noun. It indicates the source or provider of something, often implying that it is being given as a favor or act of kindness. As Ludwig AI suggests, it emphasizes that something is provided as a deliberate act of kindness.
Frequent in
Science
40%
News & Media
50%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "a courtesy of" is a prepositional phrase used to indicate that something is provided as a favor or act of kindness. Ludwig AI confirms its correctness. It is relatively uncommon but grammatically sound, with its usage spanning across science, news, and formal contexts. While alternatives like "provided by" and "thanks to" exist, "a courtesy of" emphasizes the graciousness behind the provision. When using this phrase, ensure the context aligns with its connotation of deliberate kindness and avoid using it merely as a neutral source attribution.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
provided by
Focuses on the act of providing rather than the graciousness implied by "courtesy".
thanks to
Highlights gratitude towards the source, making it slightly more informal.
with the compliments of
A more formal and polite way of indicating that something is a gift or favor.
donated by
Specifically indicates a donation, often used in charitable contexts.
a gift from
Emphasizes the act of giving as a present.
supplied by
Highlights the act of supplying or furnishing something.
furnished by
Similar to 'supplied by' but often used for equipment or amenities.
graciously offered by
Emphasizes the kindness and generosity of the provider.
presented by
Suggests a formal presentation or offering.
made possible by
Highlights that something was enabled or facilitated by the source.
FAQs
How to use "a courtesy of" in a sentence?
Use "a courtesy of" to indicate that something is provided as a favor or act of kindness. For example, "The software was "provided by" the university, a courtesy of their research grant".
What can I say instead of "a courtesy of"?
You can use alternatives like "provided by", "thanks to", or "with the compliments of" depending on the context.
Which is correct, "a courtesy of" or "by courtesy of"?
"A courtesy of" is commonly used and grammatically correct. "By courtesy of" is also acceptable, although "a courtesy of" is more concise.
What's the difference between "a courtesy of" and "due to"?
"A courtesy of" indicates something provided as a favor, while "due to" indicates causation. For example, "The extended deadline was a courtesy of the professor" versus "The delay was due to unforeseen circumstances".
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
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested