Steve Webb should consider setting up a central pension's registry as part of his drive to ensure pension pots are for life, a provider says.
Short service refunds from defined contribution schemes are to be abolished as part of the government's drive to increase pension saving.
National Employment Savings Trust Corporation has admitted scaling back its take up projections, and said the auto-enrolment delay for small businesses will increase its loan repayments.
Mercer has slammed the government for its handling of auto-enrolment, criticising ministers for turning a "deaf ear" to employers needing clarity over the new duties.
Steve Webb has outlined two "big bang" solutions to the issue of small pot consolidation.
Large employers facing imminent auto-enrolment duties are still not ready for the new rules, with one-third not knowing their staging date, a YouGov poll finds.
The small-self administered scheme market will become bogged down with "unsustainable and time-consuming bureaucracy" due to new Pensions Act requirements, a provider says.
NEST Corporation chief executive Tim Jones has admitted he does not like the restrictions placed on the National Employment Savings Trust by the government.
Jack Jones talks to Margaret Snowdon