The Brazilian is one of the world's most sought-after talents and Roberto Mancini is reportedly hoping to strike a deal to give his side a much-needed attacking boost
Following reports appearing in Spanish paper Mundo Deportivo on Thursday that City will offer a blank cheque for the Brazilian superstar, Ribeiro has rubbished suggestions he may seek to cash in.
While he admitted it was "not a lack of funds" that would prevent a sale to Manchester City, Ribeiro insists there is no amount of money he would accept from the Premier League champions.
"I anticipate my answer to any bids that might come: the answer is no," he said. "Neymar will stay at Santos until 2014, and I hope that he'll continue here for even longer."
Despite his disappointing performance for Brazil in a 2-1 friendly defeat to England on Wednesday, Neymar is widely considered one of the world's most prestigious talents and has a long list of suitors.
And with Roberto Mancini's men trailing Manchester United in the title race, the Italian is keen to learn from the lessons of last summer - when his side were pipped to the signings of Robin Van Persie, Eden Hazard and Javi Martinez - by making an early move for the 21-year-old.
Ribeiro, however, is adamant Neymar is going nowhere.
He added: "I have a very clear basis for Neymar staying here, resisting offers from the Spanish clubs [Barcelona and Real Madrid, in 2011], for one basic reason: he's happy.
"He costs us a relatively modest amount of money, given his talent. His presence translates into intangible gains, like our fan base growing 20% in the last two years."
Ribeiro even admitted he has taken inspiration from a former Santos president, who dug in to ensure Pele did not leave the club during his pomp.
He added: "It's the repetition of the phenomenon experienced in the the 50s and 60s, when Pele attracted a legion of new fans, that went beyond the limits of the city.
"Repeating history is not very creative, but what Athie [Jorge Coury, former Santos president] did with Pele has inspired me."