Web3 & Blockchain Services

Decentralised Digital Solutions

Flat 18 provides expert-led Web3 and blockchain services for startups and scale-ups. We deliver secure, scalable decentralised apps, smart contracts, and integrations—helping you harness the power of next-generation technologies.

Why Choose Flat 18 for Blockchain?

  • Over a decade of hands-on blockchain expertise
  • Bespoke solutions tailored to your business model
  • Security-first, fully audited code
  • Clear process and ongoing support

Our Web3 & Blockchain Expertise

We design and build decentralised solutions that solve real business problems—combining deep technical skill with practical experience.

Smart Contract Development

We write and audit secure smart contracts for Ethereum, Polygon, and other EVM-compatible chains. Our contracts are robust, gas-efficient, and thoroughly tested.

Decentralised App (dApp) Development

We build user-friendly dApps that connect your users to blockchain features, combining intuitive front-ends with resilient back-ends.

Wallet Integration

We implement seamless wallet connections (MetaMask, WalletConnect, and more) to enable secure user authentication and transactions.

Token Creation & Tokenomics

We create bespoke tokens—utility, governance, or NFT—engineered for your specific use case and compliant with best practices.

Security Audits

Our team conducts comprehensive blockchain security audits, identifying vulnerabilities and safeguarding your project and users.

DeFi & Protocol Engineering

We architect and implement decentralised finance protocols—lending, trading, and staking—tailored to your requirements.

Our Blockchain Process

  1. Discovery: Define your objectives and technical needs.
  2. Architecture: Design secure, scalable solutions.
  3. Development: Write and audit smart contracts and dApps.
  4. Testing & Security: Rigorous testing and independent audits.
  5. Deployment: Launch on testnet and mainnet.
  6. Ongoing Support: Continuous monitoring and updates.

Technologies We Use

  • Ethereum, ERC-20
  • Bitcoin, Lightning Network
  • Web3.js, ethers.js, wagmi
  • IPFS (decentralised storage)
  • MetaMask, WalletConnect

Ready to Launch Your Blockchain Project?

Contact Flat 18 to discuss your Web3 ambitions. Our expert team will help you build secure, innovative decentralised solutions that move your business forward.

Tell Us About Your Project

Jump on live chat or fill in the form — we'll get back within a day.

Remote-first team
Mon-Fri: 12:00 - 20:00 UTC

Let's chat about your project

We're here to turn your ideas into reality with our design and development know-how.