EXHIBIT  32.


                    Certification of CEO and CFO 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 Quarterly Report on Form 10-Q of BlackRock Kelso
Capital Corporation (the "Company") for the quarter ending September 30, 2005
as filed with the Securities and Exchange Commission on the date hereof (the
"Report"), James R. Maher, as Chief Executive Officer of the Company, and
Frank D. Gordon, as Chief Financial Officer of the Company, each hereby
certifies, pursuant to ss.18 U.S.C. ss.1350, as adopted pursuant to ss.906 of
the Sarbanes-Oxley Act of 2002, that, to the best of his knowledge:

         (1) The Report fully complies with the requirements of section 13(a)
         or 15(d) 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 results of operations
         of the Company.


/s/  James R Maher
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Name:  James R. Maher
Title: Chief Executive Officer
Date:  November 14, 2005

/s/  Frank D. Gordon
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Name:  Frank D. Gordon
Title: Chief Financial Officer
Date:  November 14, 2005


This certification accompanies the report pursuant to ss.906 of the
Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of
ss.18 of the Securities Exchange Act of 1934, as amended.

A signed original of this certification required by ss.906 has been provided
to the Company and will be retained by the Company and furnished to the
Securities and Exchange Commission or its staff upon request.