The phrase "advocated by a" is correct and usable in written English.
It can be used when referring to a person or group that supports or recommends a particular idea, policy, or action.
Example: "The new environmental policy was strongly advocated by a coalition of local activists."
Alternatives: "supported by a" or "promoted by a".
Advocated by a London-based architects' practice, can it possibly take off?
It was a sensible fix, advocated by a key Republican author of the Patriot Act.
Less than a year later, however, Weinberger also proposed to Nixon the most sweeping welfare reform proposal ever, advocated by a Cabinet officer.
A major roadway designed to change the delineation of wards and districts for political objectives was strongly advocated by a prior administration in the late 1950's.
If we wanted to move to price-level targeting, as was advocated by a number of the academics at the conference, we should have that discussion.
Returning to the Moon has been advocated by a large number of international planetary scientists in order to answer several key scientific questions.
Bank of America recently became the last of the three biggest United States banks to adopt simplified checking account disclosures, as advocated by an arm of the Pew Charitable Trusts.
He developed a structured curriculum to deliver this, which is now being advocated by an increasing number of schools and academies in the UK.
It was advocated by an unusual alliance, including the Real Estate Board of New York, which represents owners, developers and brokers, and the Natural Resources Defense Council, a major environmental advocacy group.
His handlers do, however, seem to be following one page from Thomas's successful survival playbook: When accused, take the position advocated by an aide to former South Carolina Senator Strom Thurmond, who was one of Thomas's chief sponsors.
In general, the greater the risk and likelihood of adverse outcomes, prescriptive solutions are advocated by an organisation or central policy.
