<Page>

                                                              EXHIBIT 99.906CERT

         CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT

       Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the
undersigned officers of the Guinness Atkinson Funds, does hereby certify, to
such officer's knowledge, that the report on Form N-CSR of the Guinness Atkinson
Funds for the period ended June 30, 2004 fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as applicable,
and that the information contained in the Form N-CSR fairly presents, in all
material respects, the financial condition and results of operations of the
Guinness Atkinson Funds for the stated period.


/s/ James J. Atkinson, Jr.                  /s/ Eric M. Banhazl
- --------------------------                  -------------------
James J. Atkinson, Jr.                      Eric M. Banhazl
President, Guinness Atkinson Funds          Treasurer, Guinness Atkinson Funds

Dated: 9/7/04
       ---------------------


This statement accompanies this report on Form N-CSR pursuant to Section 906 of
the Sarbanes-Oxley Act of 2002 and shall not be deemed as filed by Guinness
Atkinson Funds for purposes of the Securities Exchange Act of 1934.

                                        1