The phrase "a proprietary option" is correct and usable in written English.
It can be used when referring to a choice or alternative that is owned or controlled by a specific company or individual, often implying exclusivity.
Example: "The software offers a proprietary option that allows users to customize their experience beyond the standard features."
Alternatives: "an exclusive choice" or "a licensed alternative".
Curate a Proprietary Selection.
Perhaps equally important is a feature that children will not even notice: a proprietary, trademarked option, known as PlaySafe, intended to reassure parents.
But those are emerging proprietary options in a technology space where many enterprise IT leaders are still hoping to take advantage of the transition to cloud to reduce platform vendor lock-in by using open source alternatives.
Though he had been accepted into the Ph.D. math programs at Harvard, Berkeley and Stanford, his father gave him the name of the chief of proprietary options trading at Drexel and, in his words, "browbeat" him into calling for an interview.
The one caveat is that it has proprietary options for mounting accessories such as tool hooks that seem to be impossible to find.
Instead of offering a proprietary online shopping option, Whole Foods chose to partner with Instacart.
You're less able to add your own personal flair to the Gear Live, too – it uses a proprietary band connector meaning aftermarket options aren't nearly as readily available.
"IT strategy should not be held hostage by vendors who offer a proprietary, multi-tenant cloud configuration as the only option.
Four years ago, when cofounders Jeff DeWeese and John Gaus were looking for a way to bring together energy buyers and sellers, the only option for them was to develop a proprietary network and a database.
The revised survey was mailed to selected individuals (as below), with the option to complete it on line using Survey Monkey®, a proprietary survey tool, or to complete the form and return it by prepaid post.
