"capabilities across" is correct and can be used in written English.
It is typically used to describe the range or extent of someone's or something's abilities or skills. Example: Our company's team has diverse capabilities across various industries, from marketing and sales to finance and technology.
"Ian clearly demonstrated the required knowledge and capabilities across a broad range of areas.
One of our priorities in 2014/2015 was the development of leadership capabilities across GNM.
"So when he came back to this job, he felt the need to improve intelligence capabilities across the board".
Advances in nanotechnology will lead to improvements in capabilities across a spectrum of applications.
In the early 2000s, the local companies moved fast, opening retail outlets and distribution capabilities across China.
The agreement makes Barclays one of the leading banks on Wall Street, with capabilities across equity and debt markets, mergers and acquisitions, commodities trading and foreign exchange.
DRIVE eliminates the broadcast storm problem and maximizes data dissemination capabilities across network partitions with short delays and low overhead.
If nothing else, however, the missile efforts in the North have spurred American efforts to build a network of antimissile capabilities across Northeast Asia.
The US National Aeronautics and Space Administration NASAA) Balloon Program continues to support the scientific community providing enhanced capabilities across a spectrum of balloon related disciplines.
It's critical that we formally assess inclusive leadership capabilities across senior leaders and talent managers and identify individual and organizational development gaps and then create the requirement plans.
The United States can do without Saudi oil, but the kingdom's sandy real estate is a vital asset for America's spying capabilities across that volatile region.
