"concede with" is not a correct phrase.
In written English, the phrase you would use instead is "agree with." For example, "I agree with your opinion on the matter."
He did however concede with a chuckle that the two countries were "close".
"It's certainly far too early to concede with those three proceedings moving forward," Mr. Christopher said.
The milestone may have already been passed, Arab leaders concede, with 400 Jewish families moving into Golan each year.
I concede with painful candor and a heavy heart that the adage applies to me and to my generation of American leadership regarding Vietnam.
When the date of Prince William and Kate Middleton's wedding was announced, Hugo Rifkind — goaded, I concede with shame, by his colleagues — went to the Wikipedia page for "29 April" and added to it.
And the justice system remains almost entirely unreliable, officials concede, with Albanian judges either biased or intimidated and the 12 or so international judges and prosecutors overwhelmed with work.
