SEROKELL

Review

★8.6/10

🇫🇷 Paris, France·50 - 249 employees·Est. 2015·Reviewed Apr 2026

Research-driven software engineering for fintech, blockchain, and scientific computing

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Best For

Companies building technically complex systems where correctness and security are critical

Hourly Rate

$50 - $99 / hr

Min. Project

$10,000+

Industries

Fintech, Blockchain, Biotech

About SEROKELL

Serokell is a research-oriented software development firm founded in 2015 and registered in Paris, France. The company brings together 60+ engineers with advanced mathematics and theoretical computing backgrounds to tackle technically demanding problems in distributed systems, blockchain, and AI. With a 4.9 Clutch rating across 33 reviews, they are known for assigning C-level oversight to each engagement and emphasizing provably correct, secure code. Their academic approach makes them well-suited for clients in fintech, biotech, and blockchain where code correctness and security are non-negotiable.

Who SEROKELL Is Best For

Serokell is the right partner for engineering leaders who have already tried standard outsourcing shops and found them under-equipped for genuinely hard problems. Their background in functional programming, formal methods, and cryptography gives them an edge on smart contract auditing, distributed protocols, and high-assurance financial systems.

Why Choose SEROKELL

Rare depth in formal methods, functional programming, and mathematically rigorous engineering

C-level involvement in every project ensures strategic oversight not just task execution

Strong security auditing capability spanning smart contracts and financial systems

4.9 Clutch rating across 33 reviews reflects consistent high-end delivery

Things to Consider

—Specialized focus means they are not the right fit for routine web or mobile app projects

—Mid-size team limits parallel capacity for large-scale programs

SEROKELL Services

Custom Software DevelopmentBlockchain DevelopmentSmart Contract DevelopmentSecurity AuditingAI and Machine LearningDistributed SystemsData ScienceWeb Applications

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