|Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In
connection with the Annual Report of Group 1 Software, Inc. (the Company)  on
Form 10-K for the fiscal year ended March 31, 2003 as filed with the Securities and
Exchange Commission on the date hereof (the Report), I, Robert S. Bowen,
Chief  Executive Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as
adopted  pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 1.
The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable,
of the Securities Exchange Act of 1934; and
| | ----------------------------------------------------------------------------------------------------------------------------------------

| | 2.
The information contained in the Report fairly presents, in all material respects, the
financial condition and result of operations of the Company.
| | ------------------------------------------------------------------------------------------------------------------------------------------------------

| |  | /s/ Robert S. Bowen
Chief Executive Officer
August 14, 2003
| |  | -----------------------------------------------------------

|In  connection  with the Annual
Report of Group 1 Software, Inc. (the Company) on Form 10-K for the fiscal
year ended March 31, 2003 as filed with the Securities and Exchange Commission on the date
hereof (the Report), I, Mark Funston, Chief Financial Officer of the Company,
certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the
Sarbanes-Oxley Act of 2002, that:
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

| | 1.
The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable,
of the Securities Exchange Act of 1934; and
| | ----------------------------------------------------------------------------------------------------------------------------------------

| | 2.
The information contained in the Report fairly presents, in all material respects, the
financial condition and result of operations of the Company.
| | ------------------------------------------------------------------------------------------------------------------------------------------------------

| |  | /s/ Mark Funston
Chief Financial Officer
August 14, 2003
| |  | --------------------------------------------------------

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