The phrase "a major client of" is correct and usable in written English.
It can be used when referring to an important or significant customer or client in a business context.
Example: "Our company has established a strong partnership with a major client of ours in the technology sector."
Alternatives: "a key customer of" or "a significant client of".
QTEL is also a major client of JP Morgan, which pays Blair around $2m a year.
The seller, Robert Toussie, was a major client of Mr. Grecco's title insurance company.
"When Vantico snagged a major client of ours, the writing was on the wall," said Mr. Stonis.
Mr. Toussie was a major client of a title insurance company, Peerless Abstract, owned by Mr. Grecco.
But Procter is a major client of other Bcom3 agencies like Leo Burnett Worldwide and D'Arcy Masius Benton & Bowles.
That is because the principal rival of General Motors, Ford Motor, is a major client of Ogilvy, Thompson and Young & Rubicam.
From huge issues, such as the atmosphere around the loss of a major client, to trivial incidents, such as spats between art directors and copywriters, creative contempt for account people – and for everything to do with McCann Erickson – or petty jealousies in creative reviews: everything is spot on.
The plaintiffs asserted that they bought JPMorgan stock based on the bank's reputation for integrity and financial discipline, when in fact the company was helping Enron, a major client, hide billions of dollars of debt.
Syria, under President Assad, was a major client and recipient of military aid from the former Soviet Union.
The partner of a public accounting firm in charge of a major client is subject to serious conflicts of interest that make it difficult for him or her to exercise unbiased, independent professional judgment even while intending to do the right thing.
"The hotels know that they will lose Kuoni as a major client if even one case of child prostitution is brought to their attention," said spokesperson Peter Brun.
