"continue our collaborations" is correct and usable in written English.
You can use it whenever you are talking about continuing some kind of work that two or more people are doing together. For example, "We have worked hard on this project through many ups and downs, and I believe we should continue our collaborations going forward."
We are excited about this opportunity to continue our collaboration with the U.S. Census Bureau and providing access to innovative synthetic data products.
Steve Mosko, president of Sony Pictures Television, said: "Coming off of the overwhelming success of Breaking Bad, we're excited to continue our collaboration with Vince, as well as Peter Gould, and that fans around the world will be able to embrace 'Saul'".
The results of her work were quite interesting, and Paul and I decided to continue our collaboration.
"We're pleased to continue our collaboration with Sony so that more people around the world can discover and enjoy these books".
Team manager Fausto Gresini said: "Over the past two years together we have been able to appreciate Marco's qualities as a rider, as a man and as an extroverted communicator, which made us keen to continue our collaboration.
"We are very pleased to continue our collaboration with chumby as Internet-connected consumer devices herald the convergence of traditional PC-based Internet content with the comfort and convenience of living room viewing, positioning the connected TV as the information and entertainment hub of the digital home".
In the coming months, Scenic Hudson will incorporate the action plan into our own conservation efforts, as well as continue our collaboration with state agencies and other research and nonprofit organizations.
That is why we must continue our collaboration to achieve the denuclearization of the Korean Peninsula, and make it clear to North Korea that the path to security and respect can be traveled if they meet their obligations.
"We will go home and continue our collaboration with our colleagues in Uganda and UNICEF to make our system work better.
"In fact, it's a pleasure to continue our collaboration with the UNICEF and other reputable organizations in such goodwill activities that enforce our corporate responsibility targets and contribute to the development of our society", he said.
