Exhibit 21.1 DELUXE CORPORATION SUBSIDIARIES Chex Systems, Inc. Connex Europe S.R.L. (Italy) Current, Inc. Deluxe Business Forms and Supplies, Inc. Deluxe Canada, Inc. Deluxe Check Printers, Inc. Deluxe Check Texas, Inc. Deluxe Check Printers Texas, L.P. Deluxe Data International Limited Deluxe Data Systems, Inc. Deluxe Direct., Inc. Deluxe Payment Protection Systems, Inc. Deluxe (UK) Limited ESP Employment Screening Partners, Inc. Nelco, Inc. NRC Holding Corporation National Credit Services Corporation National Receivables Corporation United Creditors Alliance Corporation National Revenue Corporation PaperDirect, Inc. PaperDirect Pacific Exports Pty. Limited PaperDirect Pacific Holdings, Ltd. PaperDirect Pacific Pty. Limited United Creditors' Alliance International Limited