
Serokell
ReviewFunctional programming experts building reliable AI, blockchain, and complex software systems.
About Serokell
Serokell is a Paris-based software engineering firm founded in 2015, specializing in functional programming languages including Haskell, Rust, and Elixir for fintech, blockchain, and AI applications. The company built the settlement layer of Cardano and contributed core smart contract tooling to the Tezos blockchain. Their research division, Serokell Labs, advances compiler technology including active contributions to GHC, the primary Haskell compiler. They serve mid-size and enterprise clients requiring high-assurance, formally-verified software.
Who Serokell Is Best For
Serokell is best suited for companies building high-stakes software where correctness and security are non-negotiable, such as cryptocurrency platforms, financial infrastructure, and AI-driven systems. Their background in formal verification and functional programming makes them a strong fit for clients in fintech, blockchain, and life sciences who need rigorous engineering over fast-and-loose delivery. Enterprises evaluating Haskell or Rust for production systems will find Serokell among the most experienced partners in Europe.
Why Choose Serokell
Things to Consider
Serokell Services
More Software Agencies

BGTS
Enterprises needing large-scale custom software and IT staffing across Europe
BGTS is a large custom software development and IT staff augmentation company with over 1,000 employees, operating a Düsseldorf office as part of their European presence. Their services span custom software development, IT staffing, AI development, cloud, and enterprise solutions. No public Clutch reviews are currently available to independently assess client satisfaction.

Cabin Consulting
Small and mid-size Charlotte area businesses needing technology consulting or custom software with local involvement
Cabin Consulting is a Charlotte, NC-based technology consulting and software development firm serving small and mid-market businesses. The company is early-stage in its public presence with limited third-party reviews available, making direct evaluation and referrals the most reliable way to assess fit. Their focus is on helping businesses solve operational challenges through custom software and technology strategy, primarily in the Charlotte metro region.

Blackburn Labs
★ 10Companies in healthcare, education, and real estate needing bespoke software with hands-on senior engineering
Blackburn Labs is a Providence, Rhode Island software development firm founded in 2015 by CEO and CTO Rob Blackburn. Named a Clutch Global Leader and Top Health and Wellness App Developer in Providence, they hold a perfect 5.0 rating across 15+ verified reviews. They specialize in bespoke web and mobile application development with particular strength in healthcare, education, and real estate verticals. In 2022 they expanded by acquiring Trilix's software application division, adding team depth and client breadth. Their practice covers application architecture, engineering, QA, deployment, and ongoing maintenance.