# Top Blockchain Companies & Developers in Zagreb Recommended Blockchain companies in Zagreb include Thespian, SENLA, RZLT, Async Labs, definition8, BrainIT, Dream Factory, Shard Labs, Meliorate, 3mi Lab. We verify reviews and evaluate companies so you can choose with confidence. We may earn a fee for some placements. [Learn how Clutch ensures trust](#why-trust-clutch) ## List of the Best Top Blockchain Companies in Zagreb Ratings Updated: Aug 2, 2026 ### [Thespian](https://clutch.co/profile/thespian) #### 4.9 out of 5 star rating (7 reviews) - $10,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 15% UX/UI Design - 30% Custom Software Development - 15% Enterprise App Modernization - 15% Blockchain - 25% Web Development #### Company description Thespian is a Blockchain Development company specializing in Smart Contract Development and Blockchain Solutions, particularly on the Cardano blockchain. They are praised for their professionalism and clear communication, achieving a 100% positive feedback rate. Notably, 100% of reviewers emphasized the team's transparency and effective project management. [Visit Website](https://www.thespian.eu?utm_source=clutch.co&utm_medium=referral&utm_campaign=croatia-developers-blockchain-zagreb) --- ### [SENLA](https://clutch.co/profile/senla) #### 4.9 out of 5 star rating (19 reviews) - $10,000+ minimum project size - $25 - $49 average hourly rate - 250 - 999 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 20% Custom Software Development - 10% BI & Big Data Consulting & SI - 15% Blockchain - 10% E-Commerce Development - 15% Mobile App Development - 10% IT Staff Augmentation - 20% Web Development #### Company description SENLA is a versatile software development company offering services such as CRM solutions, data platform development, mobile and web app creation, and backend services. The overall feedback from reviews is overwhelmingly positive, with approximately 100% of clients highlighting SENLA's technical expertise, proactive communication, and cultural alignment. Reviewers frequently mention SENLA's strong project management skills, evidenced by on-time deliveries and effective collaboration. Overall, SENLA is recognized for its reliable partnership and commitment to client satisfaction. [Visit Website](https://senla.eu/clutch) --- ### [RZLT](https://clutch.co/profile/rzlt) #### 5 out of 5 star rating (10 reviews) - $5,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 20% Blockchain - 20% Blockchain Marketing - 10% Content Marketing - 10% Conversion Optimization - 10% Market Research - 15% Marketing Strategy - 10% Pay Per Click - 5% Social Media Marketing #### Company description RZLT is a consultancy specializing in Blockchain Development and business strategy, known for its ability to merge blockchain expertise with marketing innovation. Their services are highly regarded, with 100% positive feedback highlighting their strategic impact, particularly in refining go-to-market strategies and enhancing community engagement. Notably, 100% of reviewers mention their advanced knowledge in blockchain technology and incentive mechanics. [Visit Website](https://rzlt.io/) --- ### [Async Labs](https://clutch.co/profile/async-labs) #### 5 out of 5 star rating (15 reviews) - $5,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 20% UX/UI Design - 15% Custom Software Development - 10% Blockchain - 10% Content Marketing - 10% Digital Strategy - 15% Mobile App Development - 10% Social Media Marketing - 10% Web Design #### Company description Async Labs is a versatile digital agency offering services in SEO, branding, web development, and digital marketing. Across their reviews, they receive overwhelmingly positive feedback, with clients praising their professionalism, creativity, and effective communication. Approximately 90% of reviewers highlight Async Labs' ability to understand and execute their vision, while over 75% commend their commitment to timely delivery and customer satisfaction. [Visit Website](https://www.asynclabs.co) --- ### [definition8](https://clutch.co/profile/definition8) #### 5 out of 5 star rating (2 reviews) - $5,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 60% AR/VR Development - 20% AI Development - 20% Blockchain #### Company description definition8 is a creative agency specializing in AR filter design and development for social media platforms. Their reviews highlight a high level of client satisfaction, with 100% of clients praising their creativity and professionalism. Clients appreciate their proactive communication and ability to deliver innovative solutions ahead of current trends. The agency is noted for its responsiveness and commitment to aligning with client goals. [Visit Website](http://www.definition8.com) --- ### [BrainIT](https://clutch.co/profile/brainit) #### 4.9 out of 5 star rating (5 reviews) - $50,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 10% UX/UI Design - 40% Custom Software Development - 10% Blockchain - 40% Web Development #### Company description BrainIT, a software development company, excels in delivering comprehensive digital solutions, including DevOps, UI/UX design, and systems integration. Their reviews reflect a strong emphasis on time management, communication, and professionalism, with 100% of reviewers commending their project management and delivery capabilities. Clients consistently highlight BrainIT's flexibility, high-quality deliverables, and ability to navigate complex technical challenges effectively. [Visit Website](https://brainit.agency/) --- ### [Dream Factory](https://clutch.co/profile/dream-factory-0) #### 5 out of 5 star rating (4 reviews) - $25,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 50% Custom Software Development - 10% BI & Big Data Consulting & SI - 15% Blockchain - 10% Cloud Consulting & SI - 5% IT Strategy Consulting - 10% Web Development #### Company description Dream Factory is a technology consultancy specializing in developing complex software solutions, including frameworks, microservices, and SDKs, with expertise in JavaScript, Java, Solidity, and cloud deployment. Reviews highlight their strong technical knowledge and project management skills, with 100% of clients expressing satisfaction with the solutions provided and their ability to adhere to timelines and budgets. [Visit Website](http://dream-factory.hr) --- ### [Shard Labs](https://clutch.co/profile/shard-labs) #### 5 out of 5 star rating (1 reviews) - $1,000+ minimum project size - $25 - $49 average hourly rate - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 10% Enterprise App Modernization - 30% Blockchain - 30% Web Development #### Company description Shard Labs offers comprehensive blockchain development services, specializing in migrating and onboarding users to new blockchain platforms, implementing backend features, and creating new frontend designs. The reviews consistently highlight Shard Labs' expertise in blockchain technology, their exceptional problem-solving skills, and their effective project management and communication, resulting in a highly satisfactory client experience. [Visit Website](https://shardlabs.io/) --- ### [Meliorate](https://clutch.co/profile/meliorate) - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 5% UX/UI Design - 20% Blockchain - 10% Branding - 15% Digital Strategy - 15% IT Strategy Consulting - 10% Social Media Marketing - 15% Video Production - 5% Web Design - 5% Web Development #### Company description Meliorate is a Blockchain company. Their team is based in Zagreb, Croatia. The agency specializes in Blockchain and Digital Strategy. [Visit Website](https://meliorate.pro) --- ### [3mi Lab](https://clutch.co/profile/3mi-lab) - $25,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 20% API Development - 20% Custom Software Development - 20% Enterprise App Modernization - 10% Blockchain - 10% Business Consulting - 20% Web Development #### Company description 3mi Lab is a custom software development firm. They offer Custom Software Development and Web Development and were launched in 2018. The company is in Zagreb, Croatia. [Visit Website](https://www.3mi-lab.com/) --- ### [Rearm d.o.o.](https://clutch.co/profile/rearm-doo) - $1,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 10% AI Consulting - 10% Blockchain - 10% Generative AI - 10% IoT Development - 10% IT Managed Services - 10% IT Strategy Consulting - 10% Business Consulting - 10% Mobile App Development - 10% Web Design - 10% Web Development #### Company description Web design company Rearm d.o.o. Was established in 2020. The team offers Web Design and IT strategy consulting and is in Zagreb, Croatia. [Visit Website](https://www.rearm.co) --- ### [SPU lab](https://clutch.co/profile/spu-lab) - $5,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 10% Custom Software Development - 5% AI Development - 10% Blockchain - 5% IoT Development - 20% Other Application Development - 50% Web Development #### Company description SPU lab is a web development company headquartered in Zagreb, Croatia. They provide Web Development and Other Application Development. [Visit Website](https://spulab.com) --- ### [Qualia Data Sciences](https://clutch.co/profile/qualia-data-sciences) - 2 - 9 employees - Zagreb, Croatia #### Services Provided - Allocation of Expertise by Percentage - 20% AI Development - 20% BI & Big Data Consulting & SI - 20% Blockchain - 20% Back Office Outsourcing - 20% Market Research #### Company description Qualia Data Sciences is a small Market Research company. They offer Market Research and BI & big data consulting & SI and were established in 2010. [Visit Website](https://qualiadatasciences.com/) --- ### [Castor d.o.o.](https://clutch.co/profile/castor-doo) - $1,000+ minimum project size - $25 - $49 average hourly rate - 2 - 9 employees - Varaždin Breg, Croatia #### Services Provided - Allocation of Expertise by Percentage - 100% Blockchain #### Company description Castor d.o.o. Is a Blockchain company. Founded in 2010, the company offers Blockchain. [Visit Website](https://castorweb.eu) --- ### [SecureBlock](https://clutch.co/profile/secureblock) - $1,000+ minimum project size - $100 - $149 average hourly rate - 2 - 9 employees - Maglenča, Croatia #### Services Provided - Allocation of Expertise by Percentage - 40% Blockchain - 40% Cybersecurity - 20% Application Testing #### Company description SecureBlock is a small Cybersecurity company established in 2021. Their services include Cybersecurity and Blockchain. [Visit Website](https://secureblock.io) --- #### Get personalized agency matches based on your project goals. [Find the right fit](https://project.clutch.co/project-brief?source=directory_slide_in_CTA&BPB_adoption_source=directory) ## Why Trust Clutch At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences. Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria. Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them. 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