The phrase "a trusted associate" is correct and usable in written English.
You can use it to refer to someone who is reliable and has a close working relationship with you, often in a professional context.
Example: "In our negotiations, I always consult with my trusted associate to ensure we make the best decisions."
Alternatives: "a reliable partner" or "a dependable colleague."
He was a slight, elderly cleric, and as a young man he had been a trusted associate of Ayatollah Khomeini.
When he bought The Wall Street Journal in 2007 and brought in a trusted associate, Robert Thomson from The Times of London, I said that he might ruin one of the country's most important newspapers.
Mr. Dayan's implication seemed to be that Mr. Smulian, who had taken the stand against a trusted associate, was someone accustomed to lying and misleading to get his way.
But while Julia never forgives the plantation owner, she becomes a trusted associate, handling tasks and accounts that put her in close contact with the daughter she cannot acknowledge.
October 16 2015 October 17 201515 The elegant mainstream pianist Broadbent was a trusted associate of the late bassist and bandleader Charlie Haden Smithh, another close friend of Haden's, was the bassist in Broadbent's lyrical trios of the eighties and nineties.
November 14 2013 November 17 201313 The pianist, who has been a trusted associate of such legendary figures as Freddie Hubbard, Dexter Gordon, and Art Pepper (who bestowed on him the title of "Mr. Beautiful"), has long been both a steadfast supporting player and a whirlwind soloist.
A bail hearing from May summarized the major portion of the police case against him essentially he sold a ton of pills to a made man and trusted associate who was flipped by the RCMP.
A former Bureau inspector and trusted associate named Jimmy Corcoran said years later that Hoover, youthful at the time, had once asked him to deal with a serious "problem".
They were not counting on a civil war of sorts breaking out when the club's president, Amadeo Salvo, was replaced by Lim's trusted associate Lay Hoon Chan, a corporate investment expert, also from Singapore.
On August 11 , 1988 in Peshawar, Pakistan, Osama bin Laden and a few trusted associates gathered in a room and created the terrorist network known as Al Qaeda.
Anna introduced me around to her pals as her trusted associate, but they all knew precisely what I represented: the guy who would ruin a good thing.
