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
upon customer request
Grammar usage guide and real-world examplesUSAGE SUMMARY
"upon customer request" is correct and usable in written English.
You can use it when a customer has asked for something, such as an additional service or a new item. For example, "The furniture store offers free delivery upon customer request."
✓ Grammatically correct
News & Media
Science
Wiki
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
4 human-written examples
The bookstore is not stocking Wiles's novel, though it will order the book upon customer request.
News & Media
Using proprietary histone peptide arrays, Cell Signaling scientists test the specificity of the histone methyl-lysine, acetyl-lysine and methyl-arginine antibodies, and "we will provide data for any antibody upon customer request". For planning a ChIP experiment, Fry recommends carefully selecting protocols and reagents.
Science & Research
High flexibility and scalability benefits are gained by allowing these services to be provisioned rapidly upon customer request.
Other poultry species were usually available only upon customer request, or they were sold dead.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
satisfied a customer request.
Wiki
It's primarily driven by customer requests.
News & Media
By positioning utility as a platform, the utilities industry transforms into a transactional marketplace, in which companies sell services based upon the specific service needs customers request or require based upon activity.
News & Media
Customers request salted or unsalted.
News & Media
But another section of the law already required cable operators to provide an effective blocking device free upon a customer's request, providing a far less restrictive alternative than barring constitutionally protected material from broadcast during the daytime.
News & Media
Some companies also make the raw genotyping data available to customers upon request.
News & Media
In a letter, MF Global told regulators that they were trying to "fix something that is not broken," adding that the firm was not aware of any brokerage firm like itself that was unable to "provide to their customers upon request any segregated funds".
News & Media
Expert writing Tips
Best practice
Use "upon customer request" to clearly indicate that an action or service is only provided when the customer specifically asks for it. This sets clear expectations and avoids assumptions.
Common error
Avoid automatically providing services or products without a direct request. Always confirm with the customer to ensure you're meeting their specific needs, as assumptions can lead to dissatisfaction.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "upon customer request" functions as an adverbial phrase, modifying a verb or clause to indicate the condition under which an action is performed. It specifies that something happens only when a customer makes a request. Ludwig AI confirms its proper usage in diverse contexts.
Frequent in
News & Media
33.33%
Science
33.33%
Formal & Business
33.33%
Less common in
Wiki
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "upon customer request" is a grammatically sound and professionally appropriate way to indicate that a service, product, or action is contingent on a customer's explicit demand. As highlighted by Ludwig, it's commonly found in news, scientific, and formal business contexts. While alternatives such as "at the customer's request" or "when requested by the customer" exist, "upon customer request" offers a clear and concise way to set expectations. To ensure customer satisfaction, avoid assumptions and always confirm specific needs rather than automatically providing services. Remember, clarity and precision in communication contribute to a positive customer experience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
at the customer's request
Replaces 'upon' with 'at the', emphasizing the customer's agency in making the request.
when requested by the customer
Uses a more explicit clause structure to indicate the condition for fulfillment.
if the customer requests it
Introduces a conditional statement to highlight the requirement of a customer's request.
as per customer's order
Emphasizes that an action is performed following a customer's instructions.
as the customer requires
Highlights the customer's need as the reason for taking action.
by customer demand
Focuses on the collective desire of customers leading to the action.
on application by the customer
Implies a formal request process initiated by the customer.
according to customer specifications
Emphasizes the adherence to specific details provided by the customer.
subject to customer's approval
Highlights that an action is contingent on the customer's agreement.
based on client's needs
Shifts focus to the underlying needs of the client that prompt the request.
FAQs
What does "upon customer request" mean?
The phrase "upon customer request" means something is provided or done only if the customer specifically asks for it. It indicates that the action is contingent on the customer's explicit demand.
How can I use "upon customer request" in a sentence?
You can use "upon customer request" to indicate that a service or product is only available when the customer asks for it. For example, "Custom modifications are available "at the customer's request"".
What are some alternatives to "upon customer request"?
Alternatives include ""at the customer's request"", "when requested by the customer", or "if the customer requests it". Each alternative offers a slightly different emphasis while conveying the same core meaning.
Is it better to say "upon customer request" or "per customer request"?
"Upon customer request" is more common and generally preferred in formal contexts. "Per customer request" is also acceptable, but may sound slightly less formal. Both phrases indicate that an action is taken based on the customer's specific demand.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested