Advisers opting to pay their regulatory fees in instalments this year face an interest rate of 9% APR, 0.3% more than two years ago but less than last year.
The charge, less for trade body members, has been negotiated by the FSA with Premium Credit Ltd, which also supplied the service in 2006/7 and 2007/8, and the regulator says more than 4,300 firms chose to pay by this method last year.
Earlier this month Professional Adviser, print title of IFAonline, highlighted the increase since 2006/7, pointing out the UK base rate has dropped from 5.25% to just 0.5% over the same period.
However, Premium Credit's rates are favourable compared with several other providers and last year the APR charge was 9.2%. The FSA says it is up to firms to decide which supplier they go with.
"The option to pay by instalments is a key part of making the FSA easier to do business with," Mark Norris, chief operating officer at the FSA, says.
Trade body members will pay 7.5% APR and the Smaller Business Practitioner Panel, which helped negotiate the rate alongside the FSA, says the facility is particularly valuable for small firms.
In its consultation on fees and levies in February, the FSA proposed putting up fees for larger firms, while smaller firms received a small discount.
Association of IFA (AIFA) figures released at the time suggested medium-sized businesses with more than 26 approved persons will see their regulatory fees rise 90%.
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