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Top 15+ dApps Development Companies in Kolkata (2025)

1.

Webgen Technologies

Webgen Technologies

Established:
2011

Webgen Technologies is an innovative blockchain development company providing robust blockchain development services tailored to business needs. Their portfolio includes solutions like DApps, smart contracts, and secure crypto wallets designed to enhance transparency and reduce operational costs. With a client-centric approach, Webgen ensures seamless integration of blockchain technology into various industries such as fintech, healthcare, and supply chain. Their commitment to quality and innovation positions them as a trusted partner in the blockchain ecosystem.

2.

Brainium Information

Brainium Information

Established:
2013

Brainium Information Technologies is a reputed blockchain development company known for its reliable blockchain development services and custom blockchain solutions. Whether it’s smart contract development, cryptocurrency exchange platforms, or secure token ecosystems, Brainium delivers products with exceptional scalability and security. Their agile development practices and cross-industry expertise ensure that clients benefit from personalized blockchain solutions that address unique operational challenges. Brainium focuses on turning complex ideas into simple, efficient, and decentralized realities.

3.

Nadcab Labs

Nadcab Labs

Established:
2017

Nadcab Labs is a top-tier blockchain development company delivering cutting-edge blockchain development services for startups and enterprises. Specializing in smart contracts, DeFi, NFTs, token development, and exchange platforms, Nadcab Labs crafts secure, scalable, and innovative blockchain solutions. Their end-to-end services empower businesses to harness the potential of decentralized technologies while ensuring compliance, security, and efficiency. With expertise across Ethereum, Solana, BSC, and more, Nadcab Labs stands out as a trusted name in the global blockchain landscape.

4.

Unified Infotech

Unified Infotech

Established:
2010

Unified Infotech is a globally recognized blockchain development company offering top-notch blockchain development services. They specialize in creating secure, high-performance blockchain solutions like DApps, tokenization platforms, and smart contracts. Unified Infotech helps businesses integrate blockchain to improve transparency, automate processes, and build trust. Their tailored approach and commitment to innovation make them a reliable partner for enterprises looking to stay ahead in the rapidly evolving decentralized tech space.

5.

DreamzTech Solutions

DreamzTech Solutions

Established:
2010

DreamzTech Solutions is a forward-thinking blockchain development company delivering custom blockchain development services for enterprises worldwide. Their offerings include blockchain-based supply chain solutions, secure digital identity platforms, and DeFi applications. DreamzTech combines deep technical expertise with industry insights to create scalable, secure, and business-centric solutions. They help organizations leverage blockchain to transform traditional operations into transparent, efficient, and decentralized systems.

6.

Calibraint

Calibraint

Established:
2015

Calibraint is a modern blockchain development company providing secure and scalable blockchain development services. From DeFi platforms and NFT marketplaces to enterprise-grade DApps, Calibraint helps clients innovate through blockchain integration. Their team of experts delivers tailored solutions that address specific industry needs while maintaining compliance and enhancing user experience. With a focus on security, performance, and usability, Calibraint supports businesses in their digital transformation journey.

7.

Indus Net

Indus Net Technologies

Established:
2002

Indus Net Technologies is an award-winning blockchain development company providing end-to-end blockchain development services for global enterprises. Their offerings range from decentralized finance (DeFi) solutions to blockchain integration in existing enterprise systems. With a strong focus on business outcomes, Indus Net creates blockchain applications that ensure data security, reduce operational inefficiencies, and build trust. Their team leverages a deep understanding of distributed technologies to deliver innovative, client-focused solutions.

8.

Proficient Infosoft

Proficient Infosoft Pvt. Ltd.

Established:
2018

Swaransh IT Solutions is a dedicated blockchain development company providing comprehensive blockchain development services, including DApps, smart contracts, and token offerings. They focus on helping clients achieve digital trust and decentralized automation through custom-built blockchain platforms. With a forward-thinking approach, Swaransh ensures each project is secure, scalable, and aligned with modern market trends. Their services help businesses gain a competitive edge in the blockchain revolution.

9.

Fleapo

Pitangent Analytics

Established:
2017

Pitangent is a leading blockchain development company offering a wide range of blockchain development services tailored to the needs of different sectors. Their capabilities include custom blockchain networks, tokenized asset platforms, and smart contract development. Pitangent blends innovation with security to create blockchain solutions that increase efficiency and reduce costs. They work closely with clients to develop decentralized applications that align with evolving business models and regulatory standards.

10.

Cbnits India

Cbnits India Pvt Ltd

Established:
2016

Cbnits is a full-service blockchain development company providing reliable blockchain development services, including secure smart contracts, crypto exchange development, and enterprise blockchain solutions. Their solutions are built with advanced technology stacks and are designed for high performance and scalability. Cbnits supports businesses in implementing blockchain to streamline operations, improve transparency, and build trust with users. Their skilled team brings innovation and technical expertise to every project.

11.

Aqualeaf IT Solutions

Aqualeaf IT Solutions Pvt Ltd

Established:
2013

Fleapo is a digital-first blockchain development company that offers robust blockchain development services to clients looking for secure, scalable, and innovative solutions. Their expertise covers custom blockchain networks, NFT platforms, and DeFi applications. Fleapo’s solutions are built with precision to ensure performance, user engagement, and security. By harnessing blockchain’s transformative power, they help businesses improve operational processes and redefine user experiences.

12.

Bantech

Fleapo

Established:
2018

Fleapo is a digital-first blockchain development company that offers robust blockchain development services to clients looking for secure, scalable, and innovative solutions. Their expertise covers custom blockchain networks, NFT platforms, and DeFi applications. Fleapo’s solutions are built with precision to ensure performance, user engagement, and security. By harnessing blockchain’s transformative power, they help businesses improve operational processes and redefine user experiences.

13.

Swaransh IT Solutions

Bantech

Established:
2009

Bantech is a rapidly growing blockchain development company that delivers effective blockchain development services for businesses seeking decentralized transformation. Their services include smart contract development, private blockchain setup, and token development. Bantech’s blockchain solutions are designed to be secure, scalable, and adaptable to specific business needs. They enable clients to adopt blockchain for enhanced transparency, automation, and digital asset management.

14.

Parallel Galaxies

Swaransh IT Solutions

Established:
2023

Fleapo is a digital-first blockchain development company that offers robust blockchain development services to clients looking for secure, scalable, and innovative solutions. Their expertise covers custom blockchain networks, NFT platforms, and DeFi applications. Fleapo’s solutions are built with precision to ensure performance, user engagement, and security. By harnessing blockchain’s transformative power, they help businesses improve operational processes and redefine user experiences.

15.

IDO Launches

Parallel Galaxies

Established:
2021

Parallel Galaxies is a creative and tech-savvy blockchain development company delivering futuristic blockchain development services. Specializing in NFTs, DeFi, and gameFi solutions, they bring imaginative ideas to life using blockchain technology. Parallel Galaxies combines artistic design with strong technical foundations to build immersive decentralized platforms. Their focus on next-gen innovation makes them a go-to partner for businesses exploring the convergence of blockchain, gaming, and metaverse ecosystems.

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