St James's Place (SJP) has thwarted analysts' expectations at the end of 2009, with a 38% rise in new business.
Sales climbed 5% on an annual basis, and the tied advice firm says its strong final quarter performance gives it a platform for growth in 2010.
New business in the final quarter hit £133.2m, a rise of 38% on Q4 2008 and well above analysts' expectations of a 15% increase.
Unit trust sales performed particularly well, up 112% on a quarterly basis to £282.7m.
Assets under administration increased by £1.1bn to £24.1bn and the firm retained 95% of existing clients' funds.
Partnership numbers increased by 9% to 1,464 in 2009, the largest annual increase for a decade.
David Bellamy, chief executive of SJP, says: "We are delighted with our fourth quarter figures. Record new investments and excellent retention are a credit to our entire community and have helped drive group funds under management to record levels.
"Our overall performance in 2009 gives us both the confidence and a good platform for further growth this year."
Two global vehicles
'Further plug advice gap'
Must appoint separate CEOs and boards
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Will report to Mark Till