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                                                                    Exhibit 12.2

                                 CERTIFICATIONS


I, Gilles Therrien, Vice-President, Finance and Administration, and Chief
Financial Officer of Sand Technology Inc., certify that:

1)       I have reviewed this annual report on Form 20-F of Sand Technology
         Inc.;

2)       Based on my knowledge, this report does not contain any untrue
         statement of a material fact or omit to state a material fact
         necessary to make the statements made, in light of the circumstances
         under which such statements were made, not misleading with respect to
         the period covered by this report;

3)       Based on my knowledge, the financial statements, and other financial
         information included in this report, fairly present in all material
         respects the financial condition, results of operations and cash flows
         of the Company as of, and for, the periods presented in this report;

4)       The Company's other certifying officers and I are responsible for
         establishing and maintaining disclosure controls and procedures (as
         defined in Exchange Act Rules 13a-15(e)) and 15d-15(e) for the Company
         and have:


         a)       designed such disclosure controls and procedures, or caused
                  such disclosure controls and procedures to be designed under
                  our supervision, to ensure that material information relating
                  to the Company, including its consolidated subsidiaries, is
                  made known to us by others within those entities, particularly
                  during the period in which this report is being prepared;

         b)       deleted

         c)       evaluated the effectiveness of the Company's disclosure
                  controls and procedures and presented in this report our
                  conclusions about the effectiveness of the disclosure controls
                  and procedures, as of the end of the period covered by this
                  report based on such evaluation; and

         d)       disclosed in this report any change in the Company's internal
                  control over financial reporting that occurred during the
                  period covered by this annual report that has materially
                  affected, or is reasonably likely to materially affect, the
                  Company's internal control over financial reporting; and

5)       The Company's other certifying officers and I have disclosed, based on
         our most recent evaluation of internal control over financial
         reporting, to the Company's auditors and the audit committee of the
         Company's board of directors (or persons performing the equivalent
         functions):


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         a)       All significant deficiencies in the design or operation of
                  internal controls over financial reporting which are
                  reasonably likely to adversely affect the Company's ability to
                  record, process, summarize and report financial information;
                  and

         b)       Any fraud, whether or not material, that involves management
                  or other employees who have a significant role in the
                  Company's internal control over financial reporting.

January 28, 2004.



                             /s/      Gilles Therrien
                                      Vice-President, Finance and Administration
                                      and Chief Financial Officer