Custom Smart Contracts for Businesses

What We Do ?

What We Offer in Custom Smart Contracts

We craft Custom Smart Contracts that align perfectly with your business logic, regulatory needs, and platform architecture. Whether you’re launching a DeFi protocol, NFT platform, DAO, or enterprise automation system, our contracts are built from scratch for performance, precision, and peace of mind.

Tailor-Made Smart Contracts

We write fully custom contracts templates, no shortcutsengineered to fit your exact technical and business requirements.

Multi-Chain Development

Deploy on Ethereum, Polygon, BNB Chain, Avalanche, or any EVM-compatible network built for interoperability from day one.

Regulatory-Ready Logic

We embed compliance features like KYC, whitelisting, and role-based access directly into your contracts.

DeFi, NFT, and DAO Expertise

From liquidity pools to on-chain governance, we handle complex smart contract design across today’s leading Web3 use cases.

Upgradeable Architecture

Future-proof your project with proxy-based upgradeable contracts that allow new features without downtime or redeployment.

Performance Optimization

We optimize for gas efficiency, speed, and scalabilitylowering user costs and improving UX.

Full Testing & Auditing Support

Every contract goes through unit tests, fuzzing, simulation, and audit-readiness reviews before it hits the blockchain.

Custom Business Logic Integration

Handle royalties, fee routing, escrow, staking mechanics, and any business model logic custom-coded to your spec.

Industry Adoption

Why Custom Smart Contracts Are Transforming the Industry

Custom smart contracts are enabling organizations to securely automate transactions, reduce operating costs, and unlock entirely new business models on the blockchain.

At Rain Infotech, we specialize in Custom Smart Contracts, helping businesses and developers gain real-time blockchain transparency with secure, scalable, and intuitive explorer platforms built for real-world applications.

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90% Cost Reduction Through Automation

Smart contracts can eliminate intermediaries and reduce operational costs by up to 90% in finance, insurance, and logistics.

25 Billion Smart Contract Executions in 2023

Blockchain activity is booming, with over 25 billion contract calls on Ethereum alone, showing massive adoption across sectors.

$1.6 Billion Lost to Vulnerable Contracts in 2022

Generic or unaudited smart contracts cost the industry billionshighlighting the importance of custom, security-first development.

78% of DeFi Platforms Use Custom Smart Contracts

Most decentralized finance protocols rely on bespoke smart contracts to handle lending, staking, governance, and risk automation.

4x Faster Product Launches

Projects using pre-planned custom contracts reduce time-to-market by up to 4x, accelerating innovation without compromising security.

Innovation Stack

Our Custom Smart Contracts Capabilities

Our custom smart contracts development services are designed to bring your unique vision to life with bulletproof security, clean architecture, and seamless Web3 integration. Whether you’re a startup or an enterprise, we turn complex logic into reliable, on-chain execution.

Token Standards Implementation (ERC-20, ERC-721, ERC-1155)

We build fungible, non-fungible, and hybrid tokens to match your utility, governance, or value model.

DAO Logic & Governance Contracts

Create voting systems, proposals, quorum rules, and treasury automation to power decentralized organizations.

DeFi Protocol Contracts

Build smart contracts for lending, yield farming, staking, swaps, and liquidity poolsfully custom and secure.

NFT Minting & Marketplace Contracts

Develop minting mechanics, royalty logic, and secondary marketplace integrations for digital or real-world assets.

Access Control & Role Management

Add fine-grained permissions and multi-role systems to control who can trigger or modify specific functions.

Payment & Escrow Contracts

Enable trustless, automatic payments, revenue splits, or milestone-based releases between multiple parties.

Upgradeable Smart Contracts

Use proxy patterns for safe upgrades without downtime or data loss, ensuring flexibility over time.

Cross-Chain Deployment

Deploy contracts across multiple EVM-compatible blockchains with bridge-ready and interoperable logic.

Oracle Integration

Connect smart contracts with real-world data via Chainlink, Band Protocol, or custom APIs.

Gas Optimization & Simulation

Analyze and minimize gas usage through efficient Solidity patterns and testnet simulations.

Audit-Ready Codebase

Write clean, documented, and modular code that’s built for easy auditing and future scaling.

How It Works

Our Well-Organized Approach to Custom Smart Contracts

We guide you through a clear, structured journey from defining your logic to deploying secure, scalable Custom Smart Contracts that power your product.

01

Technical Discovery & Use Case Analysis

We align on your product goals, define contract functionality, and identify the blockchain platform that fits best.
02

Architecture & Specification Drafting

Our team creates detailed contract specs covering logic, roles, dependencies, and upgradeability plans.
03

Smart Contract Development

We custom-code your smart contracts with modular structure, clean documentation, and extensible logic.
04

Integration & Frontend Connectivity

We connect your smart contracts to dApps, dashboards, wallets, and any existing platforms or backends.
05

Testing, Auditing & Gas Optimization

Each contract goes through unit testing, fuzzing, peer review, and gas profiling to ensure reliability and efficiency.
06

Deployment & Post-Launch Support

Your contracts are deployed on mainnet or testnet with version tracking, analytics, and ongoing support as you scale.

Sectors

Redefining Industries with Blockchain Companies

Custom-built digital solutions tailored to the unique demands of every industry. We help businesses overcome complex challenges with blockchain development companies.

Healthcare

Enhance diagnostics through AI-powered analysis, automate patient engagement with intelligent assistants.

AI Blockchain

Finance

Streamline operations with AI-driven fraud detection, predictive analytics, and algorithmic decision-making.

AI Blockchain

Retail

Streamline operations with AI-driven fraud detection, predictive analytics, and algorithmic decision-making.

AI Blockchain

Insurance

Streamline operations with AI-driven fraud detection, predictive analytics, and algorithmic decision-making.

AI Blockchain

Supply Chain

Track goods from origin to destination with transparent, tamper-proof blockchain records.

Blockchain

Government

Build trust and transparency in public systems with blockchain-led recordkeeping, identity verification.

Blockchain

Energy

Enable peer-to-peer energy trading, track carbon credits, and support sustainable energy initiatives using decentralized.

Blockchain

Tech Stack

Our Custom Smart Contracts Tech Stack

We use battle-tested tools and blockchain frameworks to deliver secure, scalable, and future-ready decentralized solutions.

Blockchain Infrastructure

Robust backend infrastructure that guarantees your blockchain app operates seamlessly. From node providers and indexing tools to wallet integrations and decentralized storage, we cover all the necessities.

Service Included:

Infura

Alchemy

QuickNode

Chainstack

MetaMask

Trust Wallet

Keplr

Safe (Gnosis)

SubQuery

IPFS

WalletConnect

The Graph

RainbowKit

Blockchain Ecosystem

Improve your product experience with seamless cross-chain capabilities, DEX frameworks, and blockchain explorers. We integrate leading tools such as LayerZero, Uniswap SDK, Blockscout, and custom-built bridges to enhance every interaction.

Service Included:

1inch

Pinksale.finance

Pump.fun

MoonPay

LayerZero

Uniswap

PancakeSwap

Iquidus Explorer

Bulwark Explorer

Blockscout Explorer

Beacon Explorer

Blockchain Platforms

Build on the most trusted and scalable blockchains in the industry. We support a wide range of networks, from Ethereum and BNB Chain to emerging Layer 1s like Sui and Aptos, tailored to your project’s needs.

Service Included:

Aptos

Hyperledger Besu

Tendermint

Avalanche

Cosmos SDK

Solana

Substrate

Ethereum

BNB Chain

Polygon

Arbitrum

Optimism

Near

Sui

Blockchain Tools

Discover essential tools like Remix, MetaMask, Hardhat, and Etherscan that streamline blockchain development, testing, and deployment. From smart contract debugging to transaction tracking, we utilize the best tools to ensure efficiency, security, and seamless dApp performance.

Service Included:

Web3.js

OpenZeppelin

Truffle

Foundry

Hardhat

Remix

Ganache

Brownie

Vyper

Rust

Solidity

Move

Ethers.js

Cairo

Why Rain Infotech?

Why Leading Brands Choose Rain Infotech

Trusted by global clients and partners for delivering secure, scalable, and future-ready Blockchain and AI solutions with reliability, speed, and deep domain knowledge.

10+ Years of Excellence

Founded in 2015, we’ve grown into a globally trusted agency delivering high-impact digital solutions.

Blockchain & AI Under One Roof

Dual expertise in Web3 and GenAI – from smart contracts to custom LLMs and AI copilots.

Custom & White-Label Solutions

Whether you need a fast MVP or a fully branded platform, we’ve built it all.

Startup Agility + Enterprise Maturity

We adapt fast like startups, and deliver reliably like enterprise teams.

Security-First Development

From DeFi platforms to AI agents, security is baked into our architecture and code.

Transparent Communication

You’re never left guessing – we collaborate openly from start to scale.

Blogs

Resources & Insights

Explore expert blogs, technical guides, and curated insights to help you build smarter with AI and blockchain development .

RWA Tokenization vs Traditional Asset Management: Key Differences

Technology

Hyperledger

RWA Tokenization vs Traditional Asset Management: Key Differences

In the rapidly changing financial system, conventional methods have been challenged by blockchain-powered innovation. The most revolutionary of these are Real-World…

What Our Clients Say

Trusted by global clients and partners for delivering secure, scalable, and future-ready Blockchain and AI solutions with reliability, speed, and deep domain knowledge.

300+

Coin-Token development

100+

Web3 Mobile-Web Apps Delivered

50+

dApps Built on EVM Chains

30+

Decentralised Web & Mobile Wallet

Just genius. Just pure genius. Fun to work with. On time. Not only was he very accessible but he delivered more than what was committed, I got my work well before time for which I was really satisfied.

Hanson Nguyen

Orlando, United States

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch

Web3 Innovator

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen

Tech Startup CEO

Hanson Nguyen

Orlando, United States

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch

Web3 Innovator

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen

Tech Startup CEO

Hanson Nguyen

Orlando, United States

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch

Web3 Innovator

Hanson Nguyen

Orlando, United States

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch

Web3 Innovator

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen

Tech Startup CEO

Hanson Nguyen

Orlando, United States

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch

Web3 Innovator

Amazing team! They understood our vision perfectly and delivered a cutting-edge AI solution that exceeded our expectations. Highly recommend for complex projects.

Sarah Chen

Tech Startup CEO

Hanson Nguyen

Orlando, United States

Their blockchain expertise is unparalleled. They helped us launch our token and build a secure, scalable dApp. The communication throughout the project was excellent.

Mike Rotch

Web3 Innovator

FAQs

FAQs About Custom Smart Contracts

A custom smart contract is written from scratch to match your unique business logic, use case, and compliance needs, unlike generic templates. These are typically part of tailored Custom Smart Contract Development Projects.

Most projects take 2 to 6 weeks, depending on complexity, integrations, and the number of contract modules required. We scope all timelines under our Custom Smart Contract Development Services.

We support Ethereum, Polygon, Binance Smart Chain, Avalanche, Base, and other EVM-compatible networks. For example, we often deliver custom smart contracts for Ethereum projects with full support for Solidity standards.

We follow industry best practices, run automated and manual tests, and prepare all contracts for third-party audits.

Yes. We use proxy contract patterns that allow you to upgrade logic without losing user data or needing a redeploy.

Absolutely. We write gas-efficient code and simulate performance to minimize transaction costs.

We offer full-stack support, including wallet connectivity, admin dashboards, and custom UI linked to your contract logic. Everything is packaged as part of our Custom Smart Contract Development Solutions.

We help embed features like KYC, token gating, whitelisting, and role-based permissions into your contract’s logic.

Custom Smart Contracts You Can Trust with Millions

What We Offer in Custom Smart Contracts

Tailor-Made Smart Contracts

Multi-Chain Development

Regulatory-Ready Logic

DeFi, NFT, and DAO Expertise

Upgradeable Architecture

Performance Optimization

Full Testing & Auditing Support

Custom Business Logic Integration

Why Custom Smart Contracts Are Transforming the Industry

At Rain Infotech, we specialize in Custom Smart Contracts, helping businesses and developers gain real-time blockchain transparency with secure, scalable, and intuitive explorer platforms built for real-world applications.

90% Cost Reduction Through Automation

25 Billion Smart Contract Executions in 2023

$1.6 Billion Lost to Vulnerable Contracts in 2022

78% of DeFi Platforms Use Custom Smart Contracts

4x Faster Product Launches

Our Custom Smart Contracts Capabilities

Our Well-Organized Approach to Custom Smart Contracts

Technical Discovery & Use Case Analysis

Architecture & Specification Drafting

Smart Contract Development

Integration & Frontend Connectivity

Testing, Auditing & Gas Optimization

Deployment & Post-Launch Support

Success Stories That Speak for Themselves

Redefining Industries with Blockchain Companies

Healthcare

Finance

Retail

Insurance

Supply Chain

Government

Energy

Our Custom Smart Contracts​ Tech Stack

Blockchain Infrastructure

Service Included:

Blockchain Ecosystem

Service Included:

Blockchain Platforms

Service Included:

Blockchain Tools

Service Included:

Why Leading Brands Choose Rain Infotech

10+ Years of Excellence

Blockchain & AI Under One Roof

Custom & White-Label Solutions

Startup Agility + Enterprise Maturity

Security-First Development

Transparent Communication

Resources & Insights

What Our Clients Say

FAQs About Custom Smart Contracts

Our Custom Smart Contracts Tech Stack