Blockchain & Web3 Development Company in London

Blockchain development in London, England ranges from $25,000 for a simple smart contract and dApp to $400,000+ for complex DeFi protocols. The cost depends on the chain, contract complexity, security audit scope, and frontend requirements.

The best blockchain depends on your use case. Ethereum offers the largest ecosystem, Polygon provides low gas fees, Solana excels at high throughput, and Base is great for consumer apps. Our London, England team evaluates your requirements and recommends the optimal chain.

A simple smart contract can be developed in 2-4 weeks. Complex DeFi protocols with multiple contracts and integrations take 3-6 months including security audits. Our London team follows industry best practices to ensure secure, gas-optimized code.

Yes, we perform comprehensive smart contract security audits for projects in London, England. Our audit process includes automated scanning with Slither and Mythril, manual code review, and formal verification. We also partner with leading audit firms for additional review.

Absolutely. Our London, England team has built NFT marketplaces with features including minting, auctions, royalty enforcement, collection management, and multi-chain support. We handle everything from smart contracts to the frontend user experience.

Yes, we develop DeFi applications for clients in London, England, including DEXs, lending protocols, yield aggregators, and staking platforms. Our team understands the unique security requirements of DeFi and follows battle-tested patterns from protocols like Uniswap and Aave.

Blockchain is ideal when you need transparency, decentralization, or trustless execution. Not every business needs it. Our London, England team provides honest assessments — if a traditional database solves your problem better, we'll recommend that instead. Book a free consultation to explore.