CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002


         With respect to the Report on Form N-CSR filed for Old Mutual Advisor
Funds (the "Funds") for the period ended December 31, 2005, the undersigned
hereby certify, to the best of their knowledge, to the following:

         1. The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as applicable; and

         2. The information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Funds.



Dated: March 10, 2006

                                                    /s/ David J. Bullock
                                                    ----------------------------
                                                    David J. Bullock
                                                    Principal Executive Officer

                                                    /s/ Mark E. Black
                                                    ----------------------------
                                                    Mark E. Black
                                                    Principal Financial Officer



These certifications shall not be deemed "filed" for purposes of Section 18 of
the Securities Exchange Act of 1934, or otherwise subject to the liability of
that section. These certifications shall not be deemed incorporated by reference
into any filing under the Securities Act of 1933 or the Securities Exchange Act
of 1934.