Blockchain Development Company in UK

Token contracts on the ERC-20, ERC-721 and ERC-1155 standards, DeFi protocol and DAO governance contracts, and escrow or subscription payment flows. Our smart contract development services include upgradeable designs, access control and testing before testnet and mainnet releases.

Smart contracts and investor portals that turn fund units, debt instruments, real estate or commodities into tokens. Our asset tokenization development services add KYC/AML integration, whitelisting, dividend distribution and secondary market features.

Wallets that let customers manage tokens and NFTs across chains from one dashboard, with non-custodial key management, biometric sign-in, WalletConnect and MetaMask support, and staking modules, delivered through our web3 wallet development services.

Platforms where users trade with each other directly, with escrow held in smart contracts, matching of buy and sell orders, dispute handling, KYC/AML checks and a dashboard for the operator.

Since 10 January 2020, the FCA has been the anti-money laundering and counter-terrorist financing supervisor for firms carrying on certain cryptoasset activities, according to its cryptoassets overview.

In-scope firms register with the FCA under the Money Laundering Regulations (MLRs), and the FCA supervises their ongoing compliance, as its registration guidance explains. Rain Infotech builds KYC/AML checks, trade monitoring and access logs designed to support MLR requirements; the registered firm owns its compliance policies.

Marketing is regulated as well. Qualifying cryptoassets came into the FCA’s financial promotions remit on 8 October 2023. According to the FCA, the cryptoasset financial promotions regime applies to all firms marketing cryptoassets to UK consumers, regardless of whether the firm is based overseas. Onboarding flows we build can include the risk warnings and appropriateness steps that the client’s compliance team specifies.

A new regime is on the way. The Financial Services and Markets Act 2000 (Cryptoassets) Regulations 2026 were made on 4 February 2026, and, as of 17 October 2026, the FCA expects the new cryptoasset regime to come into force on 25 October 2027. Upgradeable smart contract designs and access control let a client change permission rules later, as its own regulatory plans change.

Trading apps with KYC/AML checks and trade monitoring, designed to support the MLR procedures set by the client’s compliance team.

Onboarding modules with configurable risk disclosures and appropriateness questions, designed to support FCA financial promotion requirements as confirmed by the client.

Smart contracts that represent fund interests, bonds or other instruments, with investor transfer restrictions and distribution logic written into the contract, so only eligible investors can hold or receive a token.

Payment flows that connect fiat conversion with digital tokens, with merchant dashboards and settlement records, for businesses preparing for the new FSMA regime.

Permissioned ledgers, on Hyperledger Fabric or a private Ethereum network, that trace where materials come from and log each logistics handoff, so every party checks the same record.

Rain Infotech has no office or staff in the UK. Rain Infotech is ISO/IEC 27001 certified.

Work runs in the client’s Git repositories, with documentation, unit tests and continuous integration set up as part of delivery.