"frequent collaboration" is a valid and usable phrase in written English.
You can use it in situations when it is necessary to describe the frequency of cooperative work between two or more people or companies. For example, "The two companies have had a successful relationship, marked by frequent collaboration on joint projects."
But our frequent collaboration is, I believe, based on more than a collegial professional relationship.
In previous years, students called it an easy class with optional attendance and frequent collaboration.
He is also known for his frequent collaboration with contemporary artists on installations and exhibitions.
Despite their frequent collaboration, Ms. Kendal and Mr. Palau are represented separately by Art and Commerce, a division of IMG specializing in photography.
Normally, with the increasing complexity of group structure and frequent collaboration needs, the existing interactions become more difficult to grasp and analyze.
Consisting of documentary photographs, reproductions, vintage books and journals and a few original artworks, it is a kind of walk-in scrapbook chronicling a lifetime of friendship and frequent collaboration between Duchamp and Ray.
Mishka flaunts a different kind of insider access, thanks to its frequent collaborations with musicians.
It deliberately mutes her presence as an individual artist, as do her frequent collaborations — with, among others, artists like Sherrie Levine, Allan McCollum and Lawrence Weiner.
At his apartment on the Upper West Side of Manhattan, Mr. Brooks spoke with Dave Itzkoff about his filmmaking process, his frequent collaborations with Mr. Nicholson and the endurance of "Broadcast News".
A punky, frenetically curious food writer best known for his frequent collaborations with David Chang, Meehan explains early on that his book's title is a bit of a joke.
Everyone consulted for this story said that the frequent collaborations are much more a product of relationships and a common understanding of comedic sensibilities than development by networks, studios, managers and agents that is more common with drama series.
