Standard and Poor's(S&P) has downgraded pension provider Scottish Equitable and warned on the restructure of parent company Aegon.
Just over half of small firms support auto-enrolment but 53% say it will "add significantly to costs", the ACA says.
A new system of collecting data proposed by HMRC could mean pensioners never have to pay emergency tax rates again, according to Standard Life head of pensions policy John Lawson.
HMRC must remove its lifetime allowance on pension savings if an annual limit is introduced or risk discouraging retirement saving, Skandia says.
Nearly half of under-50s admit they are not doing enough to prepare financially for their retirement.
How small businesses can create their own credit facility using a SSAS
The government is considering changing the way pension credit is calculated to encourage over-65s to stay in work.
Complaints against HMRC from pensioners have risen over the past year, according to the Revenue's watchdog.
The number of people turning 65 in 2012 is predicted to be 806,000, representing a huge influx into the state pension system, according to the DWP.
The government has been urged to set up an independent advisory body to help annuitants and promote the open market option.