The phrase "aggressively working with" is correct and usable in written English.
It can be used to describe a proactive and intense collaboration or engagement with someone or something.
Example: "Our team is aggressively working with the marketing department to launch the new product ahead of schedule."
Alternatives: "actively collaborating with" or "intensely engaging with".
"We are now aggressively working with those communities to tell them we are here.
Amazon has also been aggressively working with third-parties to bring Alexa's voice functionality to TV sets, releasing Alexa skills for Sony, Logitech and Dish.
Shapeways is aggressively working with companies like Adobe to bring 3D printing functionality to tools like Photoshop, and they continually refine their developer portal and API to ensure better 3D printing apps and tools are brought to market.
President Obama has taken some action through executive orders, but real change in America can only be done by aggressively working with that separate but equal branch of government, the Congress.
Should Iraq fail to comply with the United Nations resolutions, it is incumbent on the United States to aggressively work with member nations to develop means to bring Iraq into conformance.
But because Mr. Gore surpassed him in the popular vote -- and the partisan margins in Congress will be the tightest in years -- Mr. Bush will have to aggressively work with the other party.
Marriott, for instance, in January began allowing Expedia and Hotels.com to offer its more than 2,000 properties on their Web sites -- a deal similar to one it struck late last year with Travelocity, which, along with Orbitz, is aggressively working to catch up to the InterActive Corporation brands.
Procter has been aggressively working to associate the Crest name not just with oral health but also with cosmetic benefits.
It may be smarter to play the field, but aggressively work to partner with a startup once its technology shows some promise.
Kim said he was open to talks with anyone truly interested in "reconciliation and peace" on the Korean Peninsula, and ready to "aggressively" work to improve ties with the South.
