 In January 2017, he was stripped of his responsibilities for overseeing Brexit's impact on financial services, amid reports that senior financial executives from the City of London Corporation had expressed concern at his lack of business experience and inability to provide detailed answers and assurances about how the Treasury was handling Brexit.Theresa May, however, told "The Argus", that she had "absolute confidence" in Simon Kirby as a strong advocate for Brexit.The prime minister said Kirby was still playing a Treasury role in the negotiations.