Top Web3 Developers in Paris
22 Companies
List of the Top Paris Web3 Development Companies
Sponsored
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SEROKELL
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$10,000+$50 - $99 / hr50 - 249Paris, FranceServices provided
20% Blockchain20% AI Development10% AI Agents +510% AI Consulting10% Custom Software Development10% Generative AI10% IoT Development10% Web DevelopmentFocus Areas
10% Web320% Ethereum Development20% Smart Contract Development +510% Decentralized Finance10% Initial Coin Offering Consulting10% Metaverse Development10% Smart Contract Auditing10% TokenizationSee all 33 projectsSEROKELL, a Blockchain development company, excels in Blockchain Technology, Smart Contract Development, and Distributed Ledger Technology. Nearly all reviews praise their expertise, with 100% mentioning their technical proficiency and 75% appreciating their effective project management and communication. Clients consistently highlight their flexibility and ability to deliver high-quality work while maintaining a strong focus on deadlines.
Reviews mention Passionate about their work
Clients have consistently highlighted SEROKELL's genuine passion for their work. One client noted their 'genuine enthusiasm for working with the Haskell programming language,' which contributed to a productive collaboration. Another emphasized the team's 'collaborative' and 'proactive' approach, reflecting their investment in the project's success. Overall, the sentiment surrounding SEROKELL's passion is overwhelmingly positive, indicating a strong commitment to delivering high-quality results.-
Web UX/UI Redesign & Rebuild for Online Seed Company
5.0 Oct 21, 2025Their project management was excellent. The team was extremely responsive and communicated quickly throughout the process. They were flexible in handling issues as they arose and always addressed concerns promptly. What stood out most was their genuine passion for the work as they were collaborative, proactive, and clearly invested in the project’s success rather than treating it as a simple transaction. What impressed me most was their deep expertise and genuine enthusiasm for working with the Haskell programming language. Their team's passion for functional programming and commitment to high quality code made the entire collaboration both productive and inspiring.
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3 of 3 reviews are 5 stars2 new reviews for Blockchain services$50,000 – $199,999 avg. project costRead 3 Recent ReviewsReviewed 3 times in the past 6 months
Recent reviews for SEROKELL indicate strong client satisfaction, highlighting their deep technical expertise and proactive communication. Clients praised SEROKELL for delivering high-quality work on time, effectively collaborating on complex projects, and sharing valuable knowledge. Notably, one client noted their flexibility in handling changing requirements, while another commended their thorough smart contract audits that uncovered critical issues. Suggestions for improvement included more accurate staffing estimates and increased frequency of progress updates. Overall, the sentiment remains highly positive.Was this helpful?
4 of 4 Blockchain reviews are 5 stars2 new reviews for Blockchain in past 6 months$200,000 – $999,999 avg. project costRead 4 ReviewsBlockchain PROJECT HIGHLIGHT
Smart Contract Audit for Cryptocurrency Payment Platform
5.0 — SEROKELL audited smart contracts on EVM-like blockchains for a cryptocurrency payment platform. The team provided a full manual code review, static analysis, vulnerability assessment, and detailed Read moreWas this helpful?
Industry Experience
Serokell has demonstrated strong expertise across various industries, notably in financial services, blockchain, and technology. Clients commend their deep technical knowledge, especially in smart contract development and machine learning applications, leading to improved system efficiency and security. Positive feedback highlights their collaborative approach, timely project delivery, and ability to adapt to changing requirements. Overall, Serokell is particularly suited for clients in fintech, blockchain, and technology sectors seeking innovative solutions and high-quality software development.
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Other Industry Information technology Non-profit IT Services Chemicals & Biotechnology Transportation Software Manufacturing Sports Arts, entertainment & music Media Business services Government Nonprofit Financial services AgricultureWas this helpful?
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$5,000+< $25 / hr1,000 - 9,999Paris, France
Services provided
60% Blockchain10% Cybersecurity10% Marketing Strategy +210% Mobile App Development10% Web DesignFocus Areas
20% Web320% Ethereum Development20% Initial Coin Offering Consulting +220% Metaverse Development20% Smart Contract DevelopmentSee all 2 projectsERRNA offers services including Blockchain Development, Smart Contract Development, and Decentralized Application (DApp) Development. The client feedback highlights ERRNA's ability to deliver secure and effective blockchain solutions on time and within budget. Clients appreciate their professionalism, project management, and the high quality of their developed applications.
Industry Experience
ERRNA has received positive feedback primarily from the education industry, with clients highlighting their strengths in product development and project management. Their expertise in managing product roadmaps and backlog prioritization has been beneficial for educational platforms like MyTutor. Overall sentiment reflects strong satisfaction, particularly in communication and alignment with client values, making ERRNA a suitable choice for projects focused on educational technology and development.
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EducationWas this helpful?
Average Project Cost Breakdown
Read All ReviewsWhat Clients Have Said
Clients have expressed satisfaction with ERRNA's pricing structure, highlighting it as a good fit for their budget and noting the overall value for money. One client emphasized that the company aligned with their values and provided effective project management. Additionally, the quality of team communication and transparency was praised, reinforcing the perception of ERRNA as a cost-effective choice for product development needs.Was this helpful?
See All Locations (33)Paris, France
2 Rue de Nevers
Paris, France 750062 - 5
+1-435-800-0086
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$5,000+$50 - $99 / hr250 - 999Paris, France
Services provided
30% Blockchain20% AI Development15% Custom Software Development +315% Mobile App Development10% IT Staff Augmentation10% Web DevelopmentFocus Areas
30% Web320% Ethereum Development20% Metaverse Development +220% Smart Contract Development10% Initial Coin Offering ConsultingSee all 86 projectsInfograins Software Solutions is a Blockchain Development and Distributed Ledger Technology company, renowned for its expertise in Smart Contract Development and Cryptocurrency Development. Across the reviews, clients consistently highlight their timely delivery, effective communication, and highly skilled resources. Approximately 100% of reviewers expressed satisfaction with their services, often praising their strategic project management and value for cost.
Reviews mention Honest
Clients have expressed high satisfaction with Infograins Software Solutions, highlighting their open and honest communication throughout the project. One client noted the team's flexibility and accommodating nature, which contributed to a successful partnership. The thorough project discovery and execution strategies were particularly praised, with one reviewer stating, 'the experience of working with this team has been excellent.' Overall, the sentiment reflects strong confidence in Infograins' capabilities and reliability.-
Blockchain-Based Platform Development for Investment Company
5.0 Jul 27, 2022Their workflow was incredibly flexible, which was great for us. The agile methodologies were known to the team members. They were incredibly accommodating, and their communication was open and honest. To organise and monitor the progress of this project, they use Basecamp and JIRA.
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7 of 7 Web3 reviews are 5 stars$1,000,000 – $9,999,999 avg. project costWeb3 Experience
Infograins Software Solutions has received overwhelmingly positive feedback for their Web3 services, with 80% of reviewers expressing satisfaction. Key strengths include timely project delivery and effective communication, noted by 75% of clients. Their expertise in AI and blockchain security solutions has significantly impacted client projects, enhancing user engagement and system security. Clients emphasized the company's responsiveness and technical skills, particularly in developing platforms for Web3 security and metaverse environments. Overall, Infograins is recognized as a reliable partner in the evolving blockchain sector.
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12 of 12 Blockchain reviews are 5 stars$1,000,000 – $9,999,999 avg. project costRead 12 ReviewsBlockchain PROJECT HIGHLIGHT
AI Implementation & Development for Digital AI Solutions Platform
5.0 — Infograins Software Solutions provided AI implementation and development services for a digital AI solutions platform. The team was responsible for consumer engagement analysis, performance Read moreWas this helpful?
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UndisclosedUndisclosed10 - 49Paris, France
Services provided
50% Blockchain50% Blockchain MarketingFocus Areas
50% Web350% Metaverse DevelopmentLocated in Paris, France and Tel Aviv-Yafo, Israel, BARY is a Blockchain and Blockchain Marketing company. Launched in 2021, the team focuses on Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed10 - 49Paris, France
Services provided
100% BlockchainFocus Areas
40% Web315% Decentralized Finance15% Smart Contract Auditing +215% Smart Contract Development15% TokenizationAvicenne Studio is a Blockchain company. They provide Blockchain and were established in 2020.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
50% Blockchain50% Blockchain MarketingFocus Areas
50% Web350% Metaverse DevelopmentFounded in 2007, BALISTIK ART is a small Blockchain and Blockchain Marketing company. Their services include Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
60% Blockchain40% Blockchain MarketingFocus Areas
50% Web350% Metaverse DevelopmentWeb3conferences, a Blockchain company, is based in Paris, France. Founded in 2022, the team focuses on Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
50% Blockchain25% AI Development25% Blockchain MarketingFocus Areas
50% Web350% Metaverse DevelopmentPLETORY is a Blockchain company. Their small team of employees is based in Paris, France. Their team focuses on Blockchain and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49Paris, France
Services provided
50% Blockchain50% Blockchain MarketingFocus Areas
30% Web340% Metaverse Development30% Smart Contract DevelopmentNfinity Labs is a Blockchain and Blockchain Marketing company. Headquartered in Paris, France, the firm was established in 2021. Their team focuses on Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
50% Blockchain50% Blockchain MarketingFocus Areas
40% Web340% Metaverse Development20% Initial Coin Offering ConsultingBlockchain@HEC is a Blockchain and Blockchain Marketing company. They were founded in 2017 and offer Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed10 - 49Paris, France
Services provided
25% Blockchain15% AI Consulting15% Business Consulting +415% UX/UI Design10% Corporate Training & Coaching10% Market Research10% Robotics Process AutomationFocus Areas
70% Web330% Ethereum DevelopmentSmartChain is a Blockchain company. The team provides Blockchain and UX/UI Design, and the firm is based in Paris, France.
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UndisclosedUndisclosed10 - 49Paris, France
Services provided
40% Blockchain40% Blockchain Marketing20% CybersecurityFocus Areas
30% Web340% Metaverse Development30% Smart Contract DevelopmentNefture is a Paris, France-based Blockchain company. Their services include Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
60% Blockchain40% Blockchain MarketingFocus Areas
30% Web370% Metaverse DevelopmentCALYCE, a small Blockchain company, is headquartered in Pantin, France and Paris, France. Their services include Blockchain and Blockchain Marketing.
Read moreSee All Locations (2)Paris, France
4 Rue Stéphane Grappelli
Paris, France 750172 - 5
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
70% Blockchain20% Blockchain Marketing10% AI DevelopmentFocus Areas
25% Web325% Ethereum Development25% Metaverse Development +125% Smart Contract DevelopmentFeverTokens, a Blockchain company, was founded in 2022. The agency specializes in Blockchain and Blockchain Marketing, and is small.
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UndisclosedUndisclosed2 - 9Clichy, France
Services provided
50% Blockchain30% Digital Engineering20% Blockchain MarketingFocus Areas
25% Web325% Ethereum Development25% Smart Contract Auditing +125% Smart Contract DevelopmentEstablished in 2015, Crypto4All is a Blockchain company. Their services include Blockchain and Digital Engineering.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
20% Blockchain20% Blockchain Marketing20% Generative AI +220% Web Design20% Web DevelopmentFocus Areas
30% Web330% Ethereum Development20% Smart Contract Auditing +120% Smart Contract DevelopmentCOSESO is a web design company. Headquartered in Paris, France, the firm was founded in 2021. Their team specializes in Web Design and Web Development.
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UndisclosedUndisclosed10 - 49Levallois-Perret, France
Services provided
75% Blockchain25% AR/VR DevelopmentFocus Areas
30% Web370% Metaverse DevelopmentVR Academie is a Blockchain company. Established in 2017, the company provides Blockchain and AR/VR development.
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UndisclosedUndisclosed2 - 9Versailles, France
Services provided
70% Blockchain30% Search Engine OptimizationFocus Areas
40% Web360% Metaverse DevelopmentCap Vision 360 is a Blockchain company. Founded in 2020, the team focuses on Blockchain and Search Engine Optimization. The company is located in Versailles, France.
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UndisclosedUndisclosed2 - 9Paris, France
Services provided
25% Blockchain25% Blockchain Marketing25% Branding +125% Web DevelopmentFocus Areas
50% Web350% Metaverse DevelopmentHeadquartered in Paris, France, Luxe & Meta is a small branding company. The team provides Branding and Web Development.
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UndisclosedUndisclosedFreelancerParis, France
Services provided
70% Blockchain20% Content Marketing10% Email MarketingFocus Areas
100% Web3Valentin Vouriot, a Blockchain company, is based in Paris, France. Their services include Blockchain and Content Marketing.
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UndisclosedUndisclosedFreelancerParis, France
Services provided
70% Blockchain30% Digital EngineeringFocus Areas
35% Web335% Smart Contract Development30% Decentralized FinanceBlockchain Services Labs is a Blockchain company. Launched in 2023, the firm is in Paris, France. Their services include Blockchain and Digital Engineering.
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UndisclosedUndisclosed50 - 249Paris, France
Services provided
70% Blockchain30% CybersecurityFocus Areas
25% Web325% Decentralized Finance25% Metaverse Development +125% TokenizationLedger Enterprise is a Blockchain company. Their midsize team of employees is located in Paris, France. Their team specializes in Blockchain and Cybersecurity.
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List of the Top Paris Web3 Development Companies
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$5,000+< $25 / hr1,000 - 9,999Paris, France
Ability to deliver
32.9/40.016.2/20 Reviews9.7/10 Clients & Experience7/10 Market PresenceService focus
60% Blockchain20% Web340% Other -
$10,000+$50 - $99 / hr50 - 249Paris, France
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Blockchain10% Web380% Other -
$5,000+$50 - $99 / hr250 - 999Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
30% Blockchain30% Web370% Other -
UndisclosedUndisclosed10 - 49Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain50% Web350% Other -
UndisclosedUndisclosed10 - 49Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
100% Blockchain40% Web3 -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain50% Web350% Other -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Blockchain50% Web340% Other -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain50% Web350% Other -
UndisclosedUndisclosed10 - 49Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain30% Web350% Other -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain40% Web350% Other -
UndisclosedUndisclosed10 - 49Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
25% Blockchain70% Web375% Other -
UndisclosedUndisclosed10 - 49Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
40% Blockchain30% Web360% Other -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
60% Blockchain30% Web340% Other -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
70% Blockchain25% Web330% Other -
UndisclosedUndisclosed2 - 9Clichy, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
50% Blockchain25% Web350% Other -
UndisclosedUndisclosed2 - 9Paris, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
20% Blockchain30% Web380% Other -
UndisclosedUndisclosed10 - 49Levallois-Perret, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
75% Blockchain30% Web325% Other -
UndisclosedUndisclosed2 - 9Versailles, France
Ability to deliver
0/40.00/20 Reviews0/10 Clients & Experience0/10 Market PresenceService focus
70% Blockchain40% Web330% Other
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