He will report to John Lynch, head of EMEA power, utilities and renewables investment banking, and Jean-Eudes Renier, head of EMEA industrials investment banking.
Cunningham, who will be based in Baker Tilly's Glasgow office, is a specialist in auditing charities and registered social landlords.
The recruiter's results come as the banking industry faces pressure from all sides, as it battles with volatile markets, weak consumer confidence, increased regulatory heat and criticism over pay.
Narayanaswamy joins from Fidelity Investments where he spent five years as a global equity analyst, specifically covering global industries including construction materials, capital goods and utilities.
He has held senior positions in three area departments at the IMF, including Asian and Pacific, African and European, as well as holding posts in the policy development and review department.
While Mr De Mello, head of Asian fixed income, is based in Singapore, Ms Ho will be senior portfolio manager in London reporting to head of global macro Bob Jolly.
The equity trading desk and associated equity analysis operations will be closed after a preliminary report from the FSA identified “serious deficiencies” in the management of Terra’s stockbroking unit Terra Securities AS, the Oslo-based