Top Blockchain Companies

RedDuck is a Kyiv-based blockchain development company founded in 2018, specializing in comprehensive blockchain solutions — including self-executing contract development, distributed ledger technology, and decentralized application (DApp) development — for startups and technology-driven businesses. With a 100% client satisfaction rate reflected in reviews and a team of 10–49 engineers, RedDuck delivers technically precise blockchain solutions across the fintech and enterprise sectors. Clients consistently praise the team's proactive communication, on-time delivery, and technical accuracy, with project engagements ranging from $22,000 to over $119,000. RedDuck is valued for translating complex blockchain requirements into reliable, production-ready systems.

Hola Tech is a Ha Noi, Vietnam-based blockchain and technology company founded in 2018, delivering industry-tailored blockchain solutions — including decentralized application development, smart contract development, and blockchain integration — for businesses seeking greater transparency, security, and operational efficiency. With a 50–249-person team and approximately 90% client satisfaction across reviews, Hola Tech is recognized for merging blockchain technology with industry-specific needs and delivering on time. With project engagements ranging from $8,000 to $64,000 and an hourly rate of $25–49, clients regularly value the team for effective project management, timely delivery, and the ability to seamlessly enhance existing platforms with advanced blockchain and Web3 capabilities

PixelPlex is a New York-based blockchain and technology company founded in 2009, with 15+ years of experience delivering pioneering blockchain solutions — including smart contract development, decentralized application (DApp) development, and blockchain consulting — for startups and enterprises across fintech, medical, and enterprise sectors globally. With a 50–249-person team, 100% positive client feedback, and project engagements from $7,000 to $58,000, PixelPlex combines deep blockchain expertise with a reputation for professionalism, innovative thinking, and on-time delivery. Clients normally commend the team's technical proficiency in the blockchain space, exceptional communication, and ability to translate complex decentralized architecture into reliable, production-grade systems.

OmiSoft is a Kyiv-based blockchain and software development company founded in 2016, specializing in secure distributed ledger technology, smart contract development, and Web3 application development for fintech, healthcare, retail, and enterprise clients. With a 50–249-person team, an hourly rate of $25–49, and project engagements ranging from $16,000 to $91,000, OmiSoft is recognized for its strong security posture — achieving a transaction success rate above 91% and an account compromise rate of less than 1% across delivered solutions. Rated 100% positive by clients for strong project management and on-time delivery, OmiSoft normally earns trust through its technical responsibility, security-first blockchain architecture, and dedication to creating user-friendly experiences that set its solutions apart.

K.R.O.K is a blockchain development company based in Lviv, Ukraine, founded in 1992, with more than 30 years of experience in the technology sector. The company is well known for its expertise in Solana-based projects, smart contract development, and backend blockchain integration, working with clients in the fintech and Web3 sectors. With a small team of 10–49 people, K.R.O.K takes on projects that typically cost $28,000-$115,000 and charges $25-$49 per hour. The company is known for building high-quality blockchain solutions while keeping things clear, practical, and affordable. Holding a 100% positive client rating, K.R.O.K is consistently praised for its technical accuracy in Solana and smart contract development, smooth project management, and clear communication in the entire development process.

Aegas is a blockchain and Web3 development company based in Kyiv, founded in 2018. It works on blockchain technology, cryptocurrency solutions, and building decentralized apps (DApps) for businesses that want to add modern blockchain features to their platforms. With a team of around 10–49 professionals, Aegas works on projects ranging from $25,000 to $109,000 and charges hourly rates between $50 and $99. The company is recognized for its expertise in Web3 integration and holds around 90% positive client feedback. Clients often appreciate Aegas for its smooth blockchain integration, strong project management, solid technical knowledge in Web3, and ability to upgrade existing digital systems with decentralized features that deliver real business value.

Superscript Systems Ltd is a Langhorne, Pennsylvania-based blockchain development company founded in 2015, specializing in adaptive blockchain solutions — including smart contract development, decentralized application development, and complex technology integration — for enterprises and growth-stage businesses across North America. With a 10–49-person team, an hourly rate of $50–99, and project engagements ranging from $10,000 to $97,000, Superscript Systems is recognized for its ability to seamlessly expand and enhance blockchain projects as client needs evolve. Rated 100% positively across reviews, clients consistently praise the team for adaptability, excellent project management, deep technical capability, and communication that keeps complex blockchain builds on track.

Webisoft is a Montreal, Canada-based blockchain development company founded in 2015, specializing in scalable blockchain infrastructure and decentralized applications — including custom blockchain architecture, DApp development, smart contracts, and blockchain-business alignment — for startups and enterprises across North America. With a 10–49-person team, an hourly rate of $50–99, and project engagements from $32,000 to $83,000, Webisoft receives 100% positive client feedback for technical fluency, strategic collaboration, and a proactive project management approach. Clients often praise Webisoft for how well it connects blockchain technology with real business needs. About 67% of reviewers mention the team’s ability to turn business goals into practical blockchain systems that create real operational value.

NADCAB LABS, a blockchain development company, was established in 2017 by Aman Vaths, Naman Singh, and Wazid Khan based in Prayagraj, India. Delivered over 500 blockchain projects for startups and enterprises in finance, real estate, healthcare, supply chain and other industries in the USA, UK, Europe and Asia, the team creates custom blockchain solutions with smart contracts, DeFi platforms, crypto exchanges, token development and NFT marketplaces. Trusting an ISO-certified company that aligns with HIPAA, GDPR, PCI DSS and SOC 2 standards and who has won in 3 categories at the TechBehemoths Global Excellence Awards 2025, NADCAB LABS is trusted for secure and compliant blockchain deliveries.

Synodus is a Hanoi, Vietnam-based blockchain and software development company founded in 2017, specializing in transparent blockchain delivery — including distributed ledger technology, smart contract development, and decentralized application (DApp) development — for startups and enterprises across Asia and beyond. With a 250–999-person team, an hourly rate under $25, and project engagements from $11,000 to $104,000, Synodus has built a strong reputation for on-time, on-budget blockchain delivery with 100% positive client reviews. Clients consistently praise the team's exceptional project management, strong alignment with client values, transparent delivery process, and ability to develop customized blockchain solutions that consistently exceed expectations.