The reaction of 1,1′-bicobaltocene[Co(III)Co(III)]-(PF6)2, [BFDCO(III, III)] (PF6)2, or the analogous mixed valence compound [Co(III)Co(II)] with excess [(C2H5)3NH][TCNQ]2 and TCNQ yields the complex salt 1,1′-bicobaltocene[Co(III)Co(III)][TCNQ]3. Reaction of [BFDCo(III, III)](PF6)2 with excess tetrabromoquinone (bromanil, BA) and its sodium salt produces [BFD-Co(III, III)][BA]3, while reaction with tetrabromodi-phenoquinone (TBDQ) yields [BFDCo(III, III)] [TBDQ]3. The TCNQ units in the complex salt [BFDCo(III, III)][TCNQ]3 stack to form an alternating chain with two short, adjacent interplanar spacings of 3.15 A, followed by a longer interplanar spacing of 3.45 A. The interplanar spacing of the fulvalene moieties in the cation is 3.270 A, and the cobalt-carbon bond distances range from 2.012(5) to 2.041(5)A. The complex salts are diamagnetic and the electrical conductivities of pressed pellet samples range from 3.0 × 10−2 to 3.0 × 10−4 ohm−1 cm−1.