300+ Projects delivered
800+ Smart Contracts
15+ Blockchain networks
15+ Years of experience
Blockchain technology consulting and development for startups and enterprises
Beltsys Labs is a technology company specialized in developing blockchain solutions and smart contracts for businesses worldwide. With over 15 years of experience and more than 300 completed projects, we are the trusted partner for companies looking to leverage blockchain technology.
Since 2016, we have been developing solutions for clients across Europe, the Americas, and Asia. Our team combines technical expertise with business vision to deliver projects that truly work in production.
Blockchain Consulting
Our blockchain consulting services create an enterprise-grade scalable distributed system tailored to your goals.
Operational agility
Optimize multi-party workflows by leveraging trusted data in decentralized environments.
Cost reduction
Streamline shared processes, increase accountability and minimize disputes with smart contracts.
Monetization
Boost brand trust and sales with product authenticity through blockchain tokenization and traceability.
We operate across three continents


Western & Eastern Europe
BELTSYS LABS OÜ · Reg. 16530088
Lõõtsa 2A, 11415 Tallinn, Estonia


Spain, Portugal & Latin America
Remote and on-site presence
Projects for Spanish and Portuguese-speaking companies


United States & Canada
Projects under local regulation
Blockchain adapted to American regulations
Our Partners
We work with the best technologies and platforms in the blockchain ecosystem.














BELTSYS LABS OÜ
Lõõtsa 2A, Harju maakond, 11415 Tallinn, Lasnamäe linnaosa, Estonia
Estonian Commercial Register: 16530088
Frequently asked questions about Beltsys Labs
Our headquarters are in Tallinn, Estonia (EU). We work with clients across Europe, the United States, Canada and Latin America. Communication and support are available in English, Spanish and Portuguese.
We work with startups, investment funds, real estate firms, fintechs and corporations looking to integrate blockchain into their operations. From initial-stage projects to production platforms with thousands of users.
It starts with a discovery call to understand your project. Then we prepare a technical proposal with scope, timeline and budget. Once approved, we begin development sprints with incremental deliveries and continuous communication.
Yes. All our projects include a post-launch support period. We also offer ongoing maintenance plans covering security updates, monitoring, optimization and functional evolution.
We work with major EVM networks (Ethereum, Polygon, Base, BNB Chain, Arbitrum, Optimism), as well as Solana, Hyperledger and others. Our stack includes Solidity, Rust, Move, Node.js, React/Next.js, ethers.js, IPFS and The Graph.
We recommend that all smart contracts be audited by an independent external firm before production deployment. We develop code following security best practices and facilitate the audit process, but the client engages the auditor to ensure process independence.
Each project has a dedicated Slack or Teams channel with direct access to the technical team. We hold weekly follow-up calls, provide real-time access to our task board and deliver periodic progress reports. You will always know where your project stands.
Yes. We can join projects at any stage: rescue stalled developments, scale existing teams or take over code from another vendor. We perform an initial technical audit to assess the project state and propose the best path forward.
Request information with no obligation!
Get a free consultation for your blockchain project.
