Exhibit 99.1350CERT

         Certification Pursuant to Rule 30a-2(b) under the 1940 Act and
                      Section 906 of the Sarbanes Oxley Act

Pursuant to 18 U.S.C. ss. 1350, the undersigned officer of BlackRock Global
Financial Services Fund, Inc. and Global Financial Services Master LLC
(together, the "Registrants"), hereby certifies, to the best of his knowledge,
that the Registrants' Report on Form N-CSR for the period ended September 30,
2007, (the "Report") fully complies with the requirements of Section 15(d) of
the Securities Exchange Act of 1934, as amended, and that the information
contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of each Registrant.

Date: November 20, 2007


/s/ Donald C. Burke
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Donald C. Burke, Chief Executive Officer (principal executive officer) of
BlackRock Global Financial Services Fund, Inc. and
Global Financial Services Master LLC


Pursuant to 18 U.S.C. ss. 1350, the undersigned officer of BlackRock Global
Financial Services Fund, Inc. and Global Financial Services Master LLC
(together, the "Registrants"), hereby certifies, to the best of his knowledge,
that the Registrants' Report on Form N-CSR for the period ended September 30,
2007, (the "Report") fully complies with the requirements of Section 15(d) of
the Securities Exchange Act of 1934, as amended, and that the information
contained in the Report fairly presents, in all material respects, the financial
condition and results of operations of each Registrant.

Date: November 20, 2007


/s/ Neal J. Andrews
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Neal J. Andrews, Chief Financial Officer (principal financial officer) of
BlackRock Global Financial Services Fund, Inc. and
Global Financial Services Master LLC


This certification is being furnished pursuant to Rule 30a-2(b) under the
Investment Company Act of 1940, as amended, and 18 U.S.C. Section 1350 and is
not being filed as part of the Form N-CSR with the Securities and Exchange
Commission.