Steve Webb has reinforced his commitment to auto-enrolment being rolled out in 2012, amid reports the government is considering delaying the reforms.
Almost 100 firms have signed up to use the National Employment Savings Trust as the qualifying scheme ahead of schedule.
The government must confirm whether auto-enrolment is to be put on hold or shelved or risk further undermining occupational pensions, industry figures argue.
Bosses have urged the government to clarify "current complexity and confusion" over the nuts and bolts of auto-enrolment.
The shipping industry needs more time to prepare for auto-enrolment because of the unique challenges faced in enrolling offshore workers, First Actuarial says.
Employers will accidentally bring their auto-enrolment staging date forward if they fail to separate current scheme members in receipt of benefits out of the company payroll, a legal expert warns.
Employers are facing pension scheme design challenges ahead of auto-enrolment due to overly complex legislation, a scheme manager says.
Islamic pension funds could move from being a "hygiene factor" to a mainstream option as auto-enrolment changes the pensions landscape, HSBC Global Asset Management argues.
Companies with mid-to-late 2013 auto-enrolment staging dates will pose the biggest challenge to the pensions industry because of a "resource drain", according to Punter Southall.