sign with

sign (up) with someone or something

to enter into an agreement with someone or a group. I signed up with Tom and John to crew their ship in the regatta. Did you sign with the office equipment supplier yet?
See also: sign

sign with

v.
To sign an employment contract with some organization: The soccer player signed with a team in Spain.
See also: sign
References in classic literature ?
I will sign with pleasure," she said, "if you will only treat me as a responsible being.
I answered in few words, but to no purpose, and made a sign with my hand that was loose, putting it to the other (but over his excellency's head for fear of hurting him or his train) and then to my own head and body, to signify that I desired my liberty.
As her gaze rested on me her eyes opened wide in astonishment, and she made a little sign with her free hand; a sign which I did not, of course, understand.
After exchanging a few words with his brother, the First Consul made a sign with his hand, which Murat and Lannes obeyed by retiring.
Second-year C Marc Jackson is promising, but mad as all get-out with Warriors management, which refused to negotiate all summer, then blocked his attempt to sign with Houston.
As evolutionists, they associated sign with crude primitivism.