Top Blockchain Development Companies in Bulgaria 2025

Crypto APIs is a Web 3 infrastructure provider for crypto and blockchain applications, such as crypto wallets, exchanges, custodians, digital banking, payment services, accounting, and lending. SDK libraries enable developers to seamlessly integrate with Crypto APIs and access over 100 unified endpoints. It offers multichain support on testnets and mainnets ... read more about Crypto APIs

DCVX is a Web3 Software Development Company offering solutions like crypto exchange and wallet development, lending and borrowing decentralized platform development, smart contract development, DeFi product development, NFT marketplace development, ERC20, ERC1155, ERC721 development and more.

i4 is a leading Information Technology company that has its website, app & software development in Jaipur and having its marketing offices across the world like UK, USA, UAE, and Australia through various partner programs, helping our esteemed clients in developing their business. Our services are highly customer centric, and ... read more about i4 Consulting Pvt Ltd

Infinite X is a privately owned company specializing in Decentralized Technologies. We have built blockchain products and optimized processes for more than 10+ startups and enterprises across a variety of industries including Sustainable Energy, FinTech, Gambling, and Gaming We are headquartered in the IT Hub of Southeastern Europe - Bulgaria, ... read more about Infinite X

CodeCoda is an innovative global IT and BPO services, solutions and provider, in one of the fastest growing industries worldwide. We were founded by IT Veterans to provide a stable way of working for themselves and being true to their understanding about true customer dedication and technical excellence.  Headquartered in Dublin, Ireland and with ... read more about CodeCoda Ltd

INDUSTRIA is a global technology consulting, ventures, and development firm. We implement cutting-edge technologies, such as enterprise blockchain, confidential computing, process automation and digital experience to give organisations a clear path to improve performance.  With offices in London and Sofia, our team of top technology experts will guide you through ... read more about INDUSTRIA Technology

Hack.bg Ltd. is a software company dedicated to developing blockchain technology, mobile and web software. Originally founded as an eCommerce solution & technology company, hack.bg's team has over 13 years expertise in developing scalable distributed applications. We are a fast growing internationally distributed team and are headquartered in Sofia, Bulgaria.

0xFusion is a Smart Contract Development Studio, building in the DeFi, NFTs and GameFi space.We build custom dApps on a variety of blockchain platforms, including Ethereum, Polygon, Arbitrum, Optimism and more.We have expertise in developing smart contracts that can facilitate complex business logic and automate processes.We provide strategic consulting to ... read more about 0xFusion

We are professional IT service company, specialising in custom software development. We deliver state of the art IT solutions in the areas of Big Data/Hadoop, Blockchain, Web, Cloud & Infrastructure development, DevOps. Our professional IT services include, software architecture & development, end-to-end product and platform development, system administration and support. ... read more about CST EOOD

INDUSTRIA is a global enterprise technology consulting, development, and ventures firm with a focus on distributed ledger technology, smart legal contracts, app development, and UX design. Since 2002, we help clients from various industries grasp digital transformation - not only solve their challenges but also empower business growth in the ... read more about Industria Technology Ltd.

AdEx Network is a self-serve advertising platform that connects advertisers and publishers directly - with no middlemen or unnecessary fees.  We empower ethical, privacy-focused display advertising. With our blockchain-powered platform, advertisers and publishers can rely on transparent, verifiable real-time data and reporting.   

Over the years of experience, we have helped over 50 Bulgarian businesses to become more recognizable online and generate greater profits from their products or services. We offer a free consultation for anyone who is ready for a change.

Welcome to BR Group, a full-service WEB 3.0 agency that empowers businesses to thrive digitally. With our comprehensive range of services, we accompany you on every step of your journey, from crafting compelling white papers and marketing strategies to facilitating listings and executing impactful market making activities.   Primary keys ... read more about BR Group

Turbulence Technologies provides high-end software products and services so that our customers recognize us as a truly reliable and strategic engineering partner. We deliver flawless quality engineering solutions on time thanks to our teams’ in-depth technical excellence and expertise as well as 10+ years of software development experience. Turbulence technology ... read more about Turbulence Technology

Prime Holding JSC is a product innovation company that excels at developing disruptive digital experiences. We push the limits of technology to achieve business goals, drive digital transformation, and deliver innovative solutions in the areas of FinTech, Blockchain, SalesForce, and Network Infrastructure. We are your trusted partner in building premium ... read more about Prime Holding JSC

Who are we? We are an innovative web and mobile software agency. We are a core team of high professionals who established an IT training academy in our hometown Vratsa. Our mission & vision Vola Software is based outside the capital of Bulgaria, in Vratsa – a city with a ... read more about Vola Software

Building software for world changers At Gnx, we are passionate about harnessing the power of technology to create innovative software solutions that drive business success. Based in the beautiful coastal city of Burgas, Bulgaria, we combine creativity, technical expertise, and strategic insight to deliver exceptional software products and services to ... read more about GNX