"will assist on" is correct and usable in written English.
You can use it to indicate that someone will offer help or guidance on a specific task or project. For example: "I will assist on the development of the company's new website."
This research will assist on-site management in preventing possible crushing and stampede accidents during large-scale social activities.
This will allow investigators look at shrapnel wounds and will assist with information on whether it was a bomb onboard the plane or an external explosion coming into the cabin.
They will assist in focusing on the target, as opposed to using a 'scattergun' approach by pursing too many options simultaneously.
This FES cycling system will assist in future investigations on stroke rehabilitation by means of FES and in new exercise regimes designed specifically for patients with unilateral impairments.
These will assist in describing impact on the mothers and children residing there by constructing individualized exposure profiles.
Quantifying effects of ambient air pollution on health service use in vulnerable populations with chronic diseases will assist in informing public policy on air quality standards.
Tomas Kinmonth, fixed income strategist at ABN Amro, said a €1bn complex debt structuring completed on Tuesday "will assist in the capitalisation of the struggling Italian bank".
Finally, the comprehensive collection of environmental relevant facts on nanomaterials will assist in defining knowledge gaps and further research needs.
With incidence of anal cancer on the increase, better information on treatment costs will assist in defining future service specifications for commissioning and delivery of treatment.
