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SOFTWARE RESEARCH+DEVELOPMENT+CONSULTING ⭐️⭐️⭐️⭐️⭐

Our team consists of 60+ experts from all over the world. Many of them have degrees in advanced fields like mathematics, algebra, and game theory.

Why work with us?

Scientific Approach. Our connections with academia and research labs let us leverage the latest innovations to make products that are fast, scalable, and secure.

Innovative technologies. Leverage our modern yet well-tested approach to software development to create solutions with fewer bugs and security vulnerabilities. 

  • Min project size
    $10,000+
  • Hourly rate
    $50 - $99 / hr
  • Employees
    50 - 249
  • Locations
    Paris, France
  • Year founded
    Founded 2015
  • Languages
  • Timezones

3 Languages that we service

  • English
  • German
  • French

9 Timezones that we service

CET
Central European Time (CET)
CNT
Canada Newfoundland Time (CNT)
CST
Central Standard Time (CST)
EST
Eastern Standard Time (EST)
EET
Eastern European Time (EET)
GMT
Greenwich Mean Time (GMT)
MST
Mountain Standard Time (MST)
PST
Pacific Standard Time (PST)
UTC
Universal Coordinated Time (UTC)

8 Locations

  • Paris , France
  • Los Angeles , CA
  • Tel Aviv-Jaffa , Israel
  • New York , NY
  • Austin , TX
  • Dubai , United Arab Emirates
  • Riyadh , Saudi Arabia
  • Berlin , Germany

No have been added yet...

    Pricing Snapshot

    Min. project size $10,000+
    Avg. hourly rate $50 - $99 /hr
    Rating for cost 4.7 /5

    What Clients Have Said

    SEROKELL offers competitive pricing and good value for cost, with project investments ranging from $50,000 to $700,000. Clients appreciate their expertise, timely delivery, and effective communication, often citing the company's adaptability and strong project management as key strengths.

    This summary is based on verified Clutch reviews.

    Most Common Project Size

    $50,000 - $199,999 based on 21 reviews
    < $49,999 $50,000 - $199,999 $200,000 - $999,999 > $1,000,000

    Select a service to see pricing information

    SEROKELL Review Insights

    Overall Review Rating

    4.9
    • Quality 4.9
    • Schedule 4.9
    • Cost 4.7
    • Willing to Refer 4.9

    Top Mentions

    Review Highlights

    • Impressive Industry Knowledge

      SEROKELL's deep understanding of blockchain technology, functional programming, and AI is frequently highlighted as a unique strength. Their industry knowledge enables them to provide innovative and effective solutions.

    • Proactive and Collaborative Approach

      SEROKELL is recognized for their proactive approach and willingness to collaborate closely with clients. They are noted for their ability to adapt to client needs and provide valuable insights and suggestions throughout the project lifecycle.

    • Room for Improvement in Initial Scoping

      A few clients mentioned the need for better initial scoping and planning phases. Improving this aspect could enhance the alignment between client expectations and project execution.

    • Effective Communication

      SEROKELL is praised for maintaining effective communication with clients, using various platforms to provide regular updates and ensure alignment with client goals. Their responsiveness is a key factor in client satisfaction.

    • Strong Client Relationships

      SEROKELL is commended for building strong, trusting relationships with clients, often becoming long-term partners due to their reliability and commitment to client success.

    • Flexible and Adaptable

      Clients appreciate SEROKELL's flexibility in adapting to changing project scopes and requirements. Their ability to adjust and still deliver quality work is a significant advantage noted by multiple clients.

    SEROKELL Reviews

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    Project cost

    Software Development for Info Tech Company

    • Custom Software Development
    • Confidential
    • Jan. 2019 - Ongoing
    4.5
    Quality
    4.5
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They have a very high-quality team that is extremely talented. They’re very precise and very discreet."

    Jan 30, 2020
    Co-Founder, IT Company
    Anonymous
    Verified
    • Other industries
    • New York City, New York
    • 11-50 Employees
    • Phone Interview
    • Verified

    A tech company saught a team with deep functional programming expertise to support software development efforts. Serokell OÜ worked using Haskell and TypeScript.

    3D Modelling Software Dev for Planetarium

    • Custom Software Development
    • $10,000 to $49,999
    • Mar. - Sep. 2018
    5.0
    Quality
    5.0
    Schedule
    4.0
    Cost
    4.0
    Willing to Refer
    5.0

    "They are really smart and they speak Russian..."

    Sep 29, 2019
    CEO, 3D Solutions Developer
    Anonymous
    Verified
    • Business services
    • Russia
    • 1-10 Employees
    • Online Review
    • Verified

    Serokell OÜ developed a 3D rendering algorithm for a third-party client. 

    AI Development for a Goverment Agency

    • Custom Software Development
    • $1,000,000 to $9,999,999
    • July 2018 - Ongoing
    5.0
    Quality
    4.5
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    4.5

    "Everything is always completed on time."

    Sep 16, 2019
    Advisor, Government Agency
    Anonymous
    Verified
    • Government
    • 10,001+ Employees
    • Online Review
    • Verified

    Serokell OÜ delivers end-to-end facial recognition and data-collection software development services for a ministry of one the European countries. They work on AI, computational systems, and hardware integration.

    Blockchain Development for an Education Company

    • Custom Software Development
    • $200,000 to $999,999
    • Sep. 2017 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    4.0
    Willing to Refer
    5.0

    "We have a great relationship with Serokell OÜ. We understand one another, and they’re very flexible."

    Jul 3, 2019
    Business Development Manager, DISCIPLINA
    Roman Alterman
    Verified
    • Other industries
    • Saint Petersburg, Russia
    • 51-200 Employees
    • Phone Interview
    • Verified

    Serokell OÜ developed the backend of a blockchain solution for an education company. They helped manage an ICO and now run 6–7 nodes with AWS. The project is ongoing.

    Smart Contracts Dev for Blockchain Services Co

    • Blockchain Custom Software Development
    • Confidential
    • June - Aug. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Everything went smoothly with no issues."

    Mar 26, 2025
    CPO, Symbiosis
    Aleksei S.
    Verified
    • Information technology
    • Seychelles
    • 11-50 Employees
    • Online Review
    • Verified

    SEROKELL developed and deployed smart contracts for a blockchain services company. The team was responsible for TON smart contracts development.

    Custom Software Development for Blockchain Foundation

    • Blockchain Custom Software Development Web Development
    • Confidential
    • July 2021 - Ongoing
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "Their deliverables are timely."

    Mar 12, 2025
    Head of Grants, Blockchain Foundation
    Fabrice Trutmann
    Verified
    • Non-profit
    • Zug, Switzerland
    • 201-500 Employees
    • Online Review
    • Verified

    SEROKELL provides ongoing maintenance and support for a blockchain foundation's tools and software. The team handles bug fixes, protocol updates, and the phasing out of Tandoor.

    Software Codebase Audit for Software Company

    • Custom Software Development Engineering
    • $10,000 to $49,999
    • Feb. - Mar. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They were highly responsive to our needs, maintaining clear and consistent communication throughout the process."

    Oct 9, 2024
    CTO, Software Company
    Anonymous
    • Other industries
    • New York City, New York
    • 1-10 Employees
    • Online Review

    SEROKELL audited the codebase of a Python ORM software company. The team optimized the performance and security of the client's systems and ensured that everything was running smoothly.

    Smart Contract Development for Cryptocurrency Company

    • Custom Software Development
    • Confidential
    • April 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "I was impressed by SEROKELL's skill set and talent."

    May 6, 2024
    VP, Product, Cryptocurrency Company
    Krish Nair
    Verified
    • Financial services
    • Manhattan, New York
    • 51-200 Employees
    • Online Review
    • Verified

    SEROKELL was responsible for developing smart contracts for a cryptocurrency company using Rust. SEROKELL offered Rust smart contract advisory and development.

    ML Model Training for Investment Consulting Company

    • AI Development
    • $50,000 to $199,999
    • Oct. 2023 - Jan. 2024
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0
    "What stands out is their visionary technique."
    Feb 2, 2024
    Founder & CEO, Agecroft Partners
    Don A. Steinbrugge
    • Financial services
    • Richmond, Virginia
    • 1-10 Employees
    • Online Review

    An investment consulting firm hired SEROKELL to train a machine learning model to break down queries into campaign settings.  The team worked on features that gave users helpful PPC details using the queries.

    Custom Software Development for Binary Cache Hosting Company

    • Custom Software Development
    • Confidential
    • Nov. 2022 - Jan. 2023
    5.0
    Quality
    5.0
    Schedule
    5.0
    Cost
    5.0
    Willing to Refer
    5.0

    "They understood the requirements and delivered."

    Aug 30, 2023
    Founder, Cachix
    Domen Kožar
    Verified
    • Other industries
    • Slovenia
    • 1-10 Employees
    • Online Review
    • Verified

    A binary cache hosting company hired Serokell to develop open-source components. The team's tasks included adding an intermediate presentation, a JSON output, and Zstandard compression to executable files.

    Showing 21-30 of 32 Reviews

    Our Story

    We are Serokell — a research-driven software team fusing academic rigor with industry delivery since 2015. Our engineers and researchers specialize in AI/ML, Big Data, blockchain, SRE and formal verification (Haskell, Rust, Nix). We’ve shipped fintech, biotech, oil & gas and marketplace systems, contributed to Tezos, Cardano, TON, and GHC, won major smart-contract contests, open‑sourced tools like Edna and deploy-rs, and mentor talent through courses, labs and scholarships.

    Clutch verification provides an additional layer of data to help you make the right purchasing decision of business services.

    Learn More
    Verified Client Reviews
    29
    Overall Review Rating
    4.9
    Source
    Clutch
    Last Updated
    November 4, 2025

    Business Entity

    Business Entity Name Serokell OÜ
    Source ariregister.rik.ee
    Jurisdiction of Formation Estonia
    Date of Formation May 16, 2016
    Status Active
    Last Updated January 21, 2021
    ID 14049961

    Credit Report Results

    International Credit Risk Assessment High Risk
    Source Creditsafe
    Last Updated September 15, 2024

    *Clutch performed additional verification on this company and confirmed that there are no negative legal filings or large outstanding debts. This company has also received 3 or more verified reviews on our platform.

    Learn More About The Clutch Verification Process

    Locations (8)

    52 Boulevard de Sébastopol ParisFrance 75001

    16 - 20

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