The lender saved the client from losing over £1m in deposits.
Christian Faes has left the role to become executive chairman.
Shawbrook provided a £185,000 loan to help investors purchase and convert a property in Southend, Essex.
Paradigm members will have access to MT Finance’s bridging products.
The lender said this will provide capacity to grow its loan book size to over £150m.
CSF has seen a 19% overall rise in applications.
The Help to Buy loan will only be available to firs-time buyers from March 2021.
Greenfield Mortgages worked with Knight Frank Finance for the deal.
The product has been called TermTen.
It also recommended that brokers ensure clients know the repayment date.