We present a genome assembly from a Bugulina stolonifera colony (an erect bryozoan; Bryozoa; Gymnolaemata; Cheilostomatida; Bugulidae). The genome sequence is 235 megabases in span. Most of the assembly (99.85\%) is scaffolded into 11 chromosomal pseudomolecules. The mitochondrial genome was also assembled and is 14.4 kilobases long.