Fidelity International is planning to relocate its 100 UK staff to Dublin as part of its long-term strategy to enhance services for customers.
However, the firm denied that the move was outcome of the EU referendum.
Established as the international arm of Fidelity Investments, the firm offers investment administration and guidance for employer benefit schemes, advisers and individuals. It manages $83bn in assets under administration (AUM).
Currently, Fidelity International has nearly 2,000 staff in the UK. Earlier in 2016, Fidelity inked a lease for a bigger office at St George’s quay to expand its services. The firm has presence in Dublin since 2000.
A Fidelity spokeswoman says: "Fidelity International is a global business and both the UK and Continental Europe are hugely important markets for us. Our presence in a country has not been driven by EU membership. Our UK domestic business has substantial scale and we are making considerable investments in it, this will not change.
"As a global company, the location of work and people is integral to our strategy."