The phrase 'huge financial support' is correct and usable in written English.
You can use it to refer to a large amount of financial aid or assistance. For example, "The charity received huge financial support from the local community, which enabled them to fund their projects."
Hoffenheim are only in the Bundesliga because of Dietmar Hopp's huge financial support but they have also been extremely successful with their South American imports.
This grassroots support will be welcomed by David Miliband's campaign, which has been accused of buying the leadership because of the huge financial support he has received.
In this he has been helped by the Dutch funding system, which invests huge financial support in the arts, including new commissions for Dutch composers.
During the Iran-Iraq war, which lasted from 1980 to 1988, Saudi Arabia decided to give a huge financial support to Saddam Hussein whose army, once the war against Iran ended, invaded Kuwait.
Established two years ago on the back of huge financial support from the Qatar Foundation, UCL in Qatar functions both as a department of UCL and as a partner to Qatar's Hamad bin Khalifa University (HBKU).
"The German clubs get huge financial support from local businesses, which effectively subsidises standing tickets.
To have any chance of success he would need military support and "huge" financial backing.
Mr. Hickenlooper, 58, said in the interview that he had definitely been lucky in facing two conservatives who were splitting the vote and also who were not getting huge outside financial support.
One Egyptian participant lashed out at Arab governments that themselves, main recipients of huge external financial support, try to be critical of civil society organisations because they receive "foreign funding".
That would be a huge boost in financial support for a campaign that just weeks ago was running on fumes.
Mr Obuchi has brought in a huge programme of financial support for small companies, trillions more yen more for public works for the building industry, tax breaks and other goodies for house-buyers and, this month, a politically awkward bank bail-out.
