ConsenSys is a blockchain software technology company founded by Joseph Lubin with headquarters in Brooklyn and additional United States offices in Washington, DC and San Francisco. Consensys is a member of the Hyper ledger Association.
Consensys focuses on the Ethereum network and produces a lot of the enterprise grade infrastructure for it. Consensys remains as one of the dominant talent forces and influences of the network, especially with Joseph Lubin (one of the original Ethereum creators) leading it.