The platform started 2012 with £36bn AUA and in Q1 2012 outperformed the rest of the market for the 12th consecutive quarter in terms of gross and net sales, according to figures from Fundscape.
Cofunds saw gross inflows of £3bn during the quarter, up 28% from Q4 2011.
Martin Davis, CEO of the firm, said: "To continue to grow steadily in what are trying market conditions is testimony to our robust business model and our commitment to enable our clients to do more, more easily.
"Our firm focus has been on two specific areas that are important to our clients, enabling a smooth transition to RDR-compliant business models, and continuing the streamlining and risk-proofing of the entire fund trading cycle. These will remain our focus through this year and into 2013."