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Exhibit 21.01

SUBSIDIARIES OF THE REGISTRANT

ACI Worldwide Corp.								Nebraska
	Applied Communications (Singapore) Ltd.							Nebraska
	ACI Worldwide (Massachusetts) Inc.							Massachusetts
	ACI (Brasil) L.L.C.							Nebraska
		ACI Worldwide (Brasil) Ltda.						Brazil
	ACI Worldwide (Canada) Inc.							Canada
	ACI Worldwide (Mexico) S.A. de C.V.							Mexico
	Applied Communications (Hong Kong) Limited							Hong Kong
	ACI Worldwide (Pacific) Pty. Ltd.							Australia
			Insession Labs, Pty. Ltd.					Australia
	ACI Worldwide (Asia) Pte. Ltd.							Singapore
		ACI Worldwide (Malaysia) Sdn. Bhd.						Malaysia
		Visual WEB Solutions (S) Pte. Ltd.						Singapore
	ACI Applied Communications (Netherlands) B.V.							Netherlands
	ACI Worldwide (New Zealand) Limited							New Zealand
	ACI Worldwide de Argentina S.A.							Argentina
	ACI Worldwide Korea Yuhan Hoesa							Korea
	Insession Technologies B.V.							Netherlands
	ACI Worldwide GPC (US) LLC							Nebraska
			Applied Communications GPC Limited					Ireland
					Applied Communications (Ireland) Limited			Ireland
						ACI Worldwide (UK Development) Limited		United Kingdom
						ACI Worldwide (Eastern Europe Development) S.R.L.		Romania
	MessagingDirect Company							Canada
		ACI Worldwide (Texas) LLC						Texas
		TSA Subco Company						Canada
		MessagingDirect (U.K.) Limited						United Kingdom
ACI Worldwide (Japan) K.K.								Japan
ACI Worldwide (MA), Inc.								Delaware
Applied Communications Inc. U.K. Holding Limited								United Kingdom
	Applied Communications Inc. (CIS) Limited							United Kingdom
	ACI Worldwide (EMEA) Limited							United Kingdom
		ACI Worldwide (Norway) A.S.						Norway
		ACI Worldwide (South Africa) (Pty.) Ltd.						South Africa
		ACI Worldwide Cornastone (Pty.) Ltd.						South Africa
		ACI Worldwide (Italia) S.R.L.						Italy
		ACI Worldwide (Nordic) AB						Sweden
		ACI Worldwide France S.A.R.L.						France
				ACI Monetique SAS.				France
		ACI Worldwide Iberica, S.L.						Spain
		ACI Soluciones, S.L.						Spain
	ACI Worldwide (Hellas) EPE							Greece
	Applied Communications Holding GmbH							Germany
		Applied Communications Verwaltungs GmbH						Germany
		ACI Worldwide (Germany) GmbH & Co. KG						Germany
				eps Electronic Payment Systems AG				Germany
						eps Electronic Systems Schweiz GmbH		Switzerland
						eps Prepaid GmbH		Germany
						Electronic Payment Systems Limited		United Kingdom
							eps NZ Limited	New Zealand
	Applied Communications Worldwide (UK) Ltd.							United Kingdom
		SCIL (USA) Inc.						New York
	ACI Worldwide B.V.							Netherlands
		Visual WEB Solutions Pvt. Ltd.						India
		ACI Worldwide Philippine Islands Inc.						Philippines

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Exhibit 21.01

SUBSIDIARIES OF THE REGISTRANT