The reason for the decline in GDP could be the fact that many companies have exhausted their supply, "created before the initial term of Brexit - March 29," the agency writes.
The economy could also be affected by car factories that postponed summer suspension for maintenance in April to avoid the threat of supply disruptions, the publication said.
In June, the EC recommended preparing for Brexit without agreement.
At the same time, Boris Johnson said that brexit with the deal would be possible if the EU itself compromises.
As reported on August 1, the British Ministry of Finance will allocate an additional more than £ 2 billion to prepare the country's exit from the European Union without an agreement.