Exhibit 31.1

    CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE
                           SARBANES-OXLEY ACT OF 2002

I, Kenneth A. Chymiak, certify that:

1.            I have reviewed this annual report on Form 10-KSB of ADDvantage
              Technologies Group, Inc, (the "Company");

2.            Based on my knowledge, this annual 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 annual 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 annual report;

4.            I am 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  to ensure  that
          material   information   relating  to  the  Company,   including   its
          consolidated subsidiaries,  is made known to me by others within those
          entities, particularly during the period in which this report is being
          prepared;

     b.   Evaluated the effectiveness of the Company's  disclosure  controls and
          procedures  and  presented  in this  report my  conclusions  about the
          effectiveness of the disclosure  controls and procedures based on such
          evaluation as of the Evaluation;

     c.   Disclosed in this report any change in the Company's  internal control
          over financial  reporting  during the Company's  fourth fiscal quarter
          that has materially  affected,  or is reasonably likely to affect, the
          Company's internal control over financial reporting; and

5.            I have disclosed, based on my 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):

     a.   All significant  deficiencies and material weaknesses in the design or
          operation  of internal  control  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.

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Date: December 23, 2003


                       ---------------------------------------
                       Kenneth A. Chymiak
                       Chief Executive Officer and Chief Financial Officer



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