But chairlady Faye Lygo admits the club will get left behind without the support of local businesses and sponsors.
Belles are currently involved in an FAWSL2 title race with Millwall, Brighton and Durham.
But, whatever happens, they will NOT be promoted after deciding that the new fully professional top flight - to be introduced later this year - is out of their reach financially.
In an in-depth interview in the current edition of Free Press, Lygo is critical of the FA’s latest restructure and reiterates the club’s stance that promotion should be earned on merit.
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She insists Belles are ‘exploring all options’ in a bid to return to the top tier as soon as possible.
“The club is ambitious and fiercely supportive of the women’s game,” said Lygo.
“We want to be in Tier 1 and the earliest opportunity will be the 2019/20 season.
“The Belles celebrate their 50th anniversary in 2019, but the game has changed and the club needs local business support.
“The women’s game is moving fast and gaining a higher and higher profile, but the Belles will be left behind without strong business input.”