"We are in the final phase," said a European source.
A second source evoked "great chances" of concluding an agreement in the evening, or even Thursday.
The access of European fishermen to British waters remained on Wednesday morning the ultimate sticking point of discussions, moreover almost completed, including on previously problematic subjects, such as measures to protect against any unfair competition.
Neither the EU nor London have officially confirmed an imminent deal.
A British government source urged caution: "Negotiations are continuing," she said.
"There have been movements on the British side, but the devil is in the details of the texts and we are not there yet", tempered a diplomatic source.
"British Prime Minister Boris Johnson is under pressure on several issues" according to our correspondent in London, Hervé Amoric.
"British Prime Minister Boris Johnson and under pressure on several files"
03:57
With AFP
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