Ethereum and web3 development agency in UK


Technology

Atchai works as a technology partner with VC-funded start-ups and enterprise customers to deliver ambitious Web3 products. We specialise in EVM compatible blockchains such as Ethereum and Polygon.

Our team have extensive experience developing secure smart contracts using Solidity. Our code has been audited and approved by leading auditors including ConsenSys Diligence.

We actively contribute to the open source ecosystem, participate in governance and the development of new standards such as EIP 1337.



About Atchai

Established in 2010 and led by John Griffin, Atchai is a technology consultancy and development house based in London, UK. We create innovative web3 products for Tier 1 VC-backed startups, enterprise and government.






We created Economy.os to simulate and evaluate tokenomics and crypto-economic incentive systems. Our advanced simulations use multi-agent systems and reinforcement learning to model and optimise complex systems.