'conducted jointly with' is correct and usable in written English.
You can use it when referring to two or more people, organizations, or groups carrying out an activity together. For example: The research project was conducted jointly with the university and a local charity.
The experimentation was conducted jointly with a Spanish chocolate chef.
These projects are conducted jointly with graduate students and with experts in the respective application area.
He said the royal commission would be conducted jointly with the NT government and established as soon as possible.
He earned a PhD from ENS in 2006 in mathematics and computer science for his work conducted jointly with INRIA.
He said the royal commission, to be conducted jointly with the Northern Territory government, would be established and would report as soon as possible.
It will be the first town meeting that the S.E.C. has conducted jointly with the military, the S.E.C. said in a statement.
The journal Nature reported last week that studies in Colorado and Utah conducted jointly by scientists affiliated with the National Oceanic and Atmospheric Administration NOAAandand the University of Colorado at Boulder, found leakage rates ranging from 4%and9%9% – far more than the current Environment Protection Agency estimate of 2.3%.
His funeral service was conducted jointly by Dožić and Velimirović, with the latter eulogizing Ljotić as "the most loyal son of Serbdom".
Each module was prepared and conducted jointly by a "topic expert" (with academic, MOH or NGO background) and a "profession expert" (an experienced community doctor).
Current U.S. warfighting guidance requires that all ground operations be conducted jointly, pairing U.S. and coalition troops with Afghan army or national police units.
Counterintelligence investigations are conducted jointly by the C.I.A. and the F.B.I., with support from other agencies like the National Security Agency.
