In interim results, for the six months to end-March 2017, the group reported a revenue rise of 24% to £37m compared to the same period last year as market rises and £3.6bn (€4.1bn, $4.6bn) of new inflows boosted its assets under management.
The revenue growth helped to raise the firm’s pre-tax profits by 27% to £11.2m.
The group said the “record” new customer growth came largely within its AJ Bell Investcentre and AJ Bell Youinvest businesses, which provide products like self-invested personal pensions (Sipps) and Isas to retail clients.
The group said it was planning to offer a Lifetime Isa (Lisa), the controversial new alternative to pensions unveiled by the Government, to its customers in the coming weeks.
It said consolidation in the platform market would continue in the coming weeks, with lossmaking and smaller firms continuing to fold, and also warned on ongoing pressures such as Brexit and Mifid II.