Accomplice is a venture capital firm and contemporary family office based in Cambridge, Massachusetts. Founded in 2015 by Jeff Fagnan and Ryan Moore, the firm focuses on high-conviction, concentrated, and patient investments. Accomplice has been instrumental in the early stages of several notable companies, including AngelList, DraftKings, Hopper, SecurityScorecard, and WHOOP.

The firm operates with a federated VC model, supporting various solo GP funds and initiatives like Spearhead, Accomplice Blockchain, and serving as anchor LPs for funds such as Archetype, Vinyl, Vibe, and Wolfhead. In April 2022, Accomplice raised $405 million for its final fund, marking a significant milestone in its investment journey. The firm's headquarters are located at 56 Wareham Street, Floor 3, Boston, MA 02118.