The rise comes less than a month before sell-side firms will be required to report their trades under SFTR.
Trade repositories will be able to register with the Financial Conduct Authority (FCA) following the end of the Brexit transition period.
The majority of respondents said the global pandemic was impacting their ability to prepare for upcoming regulations.
National authorities are not expected to enforce the reporting obligations under SFTR as until 13 July 2020.
Despite calls for a delay to the securities finance regulation, service providers push forward with client testing.
ISLA and ICMA write to regulators appealing for delay due to Coronavirus pandemic.
Tony Freeman had led the regulatory agenda for DTCC and its Omgeo subsidiary for over 15 years.
DTCC confirmed it has now onboarded Citadel, Franklin Templeton, Nordea Investment Management and PIMCO to its SFTR reporting service.
ESMA would grant a 12-month reprieve for market participants to provide an LEI for a security issued from a third-country when reporting SFTs.