Insurance broker Gallagher has acquired First Ireland Risk Management Limited, a Dublin based firm which employs over 120 risk professionals.
First Ireland offers a range of commercial and personal lines insurance, plus life and pensions products.
It has a client base of over 35,000 customers.
The terms of the transaction were not disclosed.
Gallagher has been scaling up its operations in Ireland over the last 12 months having acquired Innovu in June and Doyle Mahon Insurances in November.
With this latest acquisition, Gallagher will have a team of over 275 people supporting clients across Ireland.
The addition of First Ireland will see Gallagher become one of the largest insurance brokers in Ireland.
The First Ireland team will become part of Gallagher's UK & Ireland Retail division, which looks after the insurance and risk management needs of over 1.3 million customers and employs over 3500 people across its office network.
The existing joint Managing Directors of First Ireland, Tony Gill and Linda Gallagher, will remain with the business and will report to CEO of Gallagher in Ireland, Ronan Foley.
"We are delighted to join forces with First Ireland and this represents a significant step forward for Gallagher in Ireland," said Ronan Foley, CEO of Gallagher in Ireland.
"It provides us with a strategic presence in Dublin from which we will continue to expand our nationwide footprint," he added.
Tony Gill, Joint Managing Director of First Ireland said the move is great news for its clients.
"They will retain the personal service they are used to from the team that they know, and can additionally take advantage of Gallagher's scale and expertise," he said.
"We look forward to being part of Gallagher and building on our existing momentum as one of the go-to insurance brokers in Ireland," he added.