Nethermind
IT Services and IT ConsultingEngland, United Kingdom201-500 Employees
Nethermind is a London-based IT services and consulting firm focused on blockchain and Ethereum ecosystems. It provides technology development, research and advisory services to blockchain and DeFi clients, drawing on a team with expertise in Ethereum protocol engineering, layer 2 scaling, smart contracts, and enterprise blockchain. The company participates actively in Ethereum core development and supports a broad set of Ethereum projects to help advance the ecosystem. It collaborates with a network of partners, including StarkWare, POA, EWF, Baseline and Provide, to support ecosystem initiatives. Nethermind maintains involvement across industry activity while serving a global client base with blockchain and DeFi applications. In April 2026, the Ethereum Foundation announced an Audit Subsidy Program and identified Nethermind as one of the participating audit firms, in collaboration with Areta and more than twenty other firms.