The phrase "are collaborating in a" is correct and usable in written English.
It can be used when describing a joint effort or partnership between individuals or organizations in a specific activity or project.
Example: "The two companies are collaborating in a research project to develop new sustainable technologies."
Alternatives: "are working together on a" or "are partnering in a".
For the first time, the business and scientific communities are collaborating in a concrete, practical effort to help create a truly sustainable planet.
Parts of the industry are collaborating in a "data portability workgroup" to let people move their friend lists and other information around the web.
Drawing upon evidence from field-based research in Western Cape Province, the experience of the Agulhas Biodiversity Initiative (ABI) is examined, in which a number of stakeholders including private landowners, community members and local government bodies are collaborating in a landscape management initiative.
Spotify and Hulu are collaborating in a bundle aimed at students with a price of just $4.99.
The Arab and Israeli students are collaborating in a unique fashion for the event, Economic Prosperity for Peace, a day-long conference taking place on Sunday April 3rd, by focusing on business opportunities for a better future instead of being discouraged by political differences and barriers to normalization.
FAO and WHO are collaborating in a global initiative to improve people's health – and farmers' incomes – by boosting the production, supply and consumption of fruit and vegetables.
The National Gallery and the Royal Ballet are collaborating in an uncommon and marvellous way with Metamorphosis: Titian 2012.
Currently more than 40 states are collaborating, in an effort coordinated by the National Governors Association and encouraged by the administration, to write common standards defining what it means to be a graduate from high school ready for college or a career.
Scientists at Ford are collaborating in an EU-funded project developing advanced driver-assistance systems to enable cars to better respond to drivers' needs, by recognising human emotional states rather than just physical road conditions.
The contest was sponsored by the Association of American Medical Colleges, Khan Academy and the Robert Wood Johnson Foundation, which are collaborating in an effort to provide free, online resources to help students prepare for the new test.
He did justice to the architects who are collaborating in an unprecedented manner to create a plan that would be an honor to those who died in the World Trade Center attack and a triumph for those who live in, or simply visit, New York.
