Syncronize with the pension schemes listed in HMRC to make easier managing all payrolls and also pension payments, info and or correspondece.
The list of Pension schemes below is from
http://www.thepensionsregulator.gov.uk/en/employers/duties-checker/outcomes/i-am-an-employer-who-has-to-provide-a-pension/choose-a-pension-scheme-or-check-your-existing-one.aspx