Addleshaw Goddard has acquired new premises in the City.
The company said the decision, which will see it lease premises at Lime Street, "is designed to bring the firm closer to both new and existing clients".
The office will be operational from September 2006.
Partner in the firm, Richard Leedham, said: “A foothold in the heart of the insurance market will give our clients better accessibility and even higher service levels.”
He added: "Geographic location is important in the insurance community and we are confident the new office will open new doors for us with new clients."