Sipp provider Suffolk Life is holding a series of seminars nationwide to help financial advisers understand Sipps.
Sipp provider Mattioli Woods has seen its revenue increase by 33 per cent to £20.5m, up from £15.4m in 2011.
Sole commercial property purchases in Sipps are a popular choice for advisers but the majority are failing to offer joint commercial property purchases, according to Suffolk Life.
The Association of Member-Directed Pension Schemes is demanding more effort to halt the promotion of UCIS (unregulated collective investments schemes) to the public.
Pension investors could pay more than 70 per cent in tax charges by including 'taxable property' in their Sipps and SSASs, according to Hornbuckle Mitchell.