AGENCY LIST

Errna

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AI and Blockchain Solutions for Enterprise Web3 Development

Errna specializes in AI-powered blockchain development, offering enterprise-grade Web3 solutions. They integrate artificial intelligence with blockchain technology to create secure, scalable, and strategically sound platforms. Their services cater to both ambitious startups and Fortune 500 companies, providing a trusted engineering backbone since 2003.

Core services include custom blockchain development, smart contract audits, and decentralized application (dApp) development. Errna's team of over 1000 experts ensures end-to-end partnership, from initial strategy to deployment and ongoing support. They emphasize security and compliance, holding ISO 27001 and SOC 2 certifications, and operate at a CMMI Level 5 process maturity.

Errna has delivered over 3000 projects globally, with notable clients like Nokia and eBay. Their solutions include high-frequency crypto exchanges, supply chain traceability platforms, and DeFi yield farming protocols. They offer a two-week paid trial and a free-replacement guarantee for non-performing professionals, ensuring a perfect fit for client projects.

23
YEARS IN BUSINESS
8
SERVICES

Capabilities

Category

Custom Software Development

Services

Agency details

Team size
500+ people
Founded
2003 (23 years)

About this agency on Agency List

Errna holds an Agency List Score of 98 out of 100.

That score is higher than 99% of the 36,920 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed Errna in September 2026, reading 5 pages published on errna.com.

The score reflects what Errna had published by that date; anything published since has not been read.

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