# Top Blockchain Companies & Developers in Slovenia Recommended Blockchain companies in Slovenia include Abelium R&D, Devleet, DATA VALLIS, Proxima Interactive, Noctocode, Chain Effect, Sugar-Free Software, Greymatters d.o.o., Cryptix AG. 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 Slovenia Ratings Updated: Jul 26, 2026 ### [Abelium R&D](https://clutch.co/profile/abelium-rd) #### 5 out of 5 star rating (11 reviews) - $50,000+ minimum project size - $100 - $149 average hourly rate - 10 - 49 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 20% Custom Software Development - 20% AI Development - 10% Blockchain - 5% Digital Strategy - 15% IT Strategy Consulting - 5% Logistics & Supply Chain Consulting - 10% Business Consulting - 5% Mobile App Development - 10% Web Development #### Company description Abelium R&D is a research and development company specializing in custom software solutions, particularly in energy optimization, forecasting services, and digital transformations. They are consistently praised for their expertise, flexibility, and proactive project management. Approximately 100% of reviews highlight their innovative approach and high-quality deliverables, with no negative feedback reported. Abelium R&D's ability to adapt to client needs and provide scalable, effective solutions is frequently noted. [Visit Website](https://www.abelium.com) #### Reliable Clients consistently highlight Abelium R&D's reliability, noting their timely delivery and proactive communication. One client stated, 'The team consistently delivered on time and to a high standard,' while another emphasized their responsiveness, saying, 'They resolved any issues quickly and professionally.' Overall, the sentiment reflects strong satisfaction with Abelium R&D's dependable service and collaborative approach, making them a preferred choice for future projects. #### Reviewed 2 times in the past 6 months Recent reviews for Abelium R&D indicate a strong positive sentiment, highlighting their high-quality work and effective communication. Clients praised their responsiveness and creativity, particularly in complex projects like PV generation forecasting and AI-driven energy consumption software. One client noted the team delivered on time and maintained proactive communication, while another emphasized the company's culture and ownership of projects. Overall, clients express satisfaction with the results and willingness to collaborate again. - 2 of 2 reviews are 5 stars - $50,000 – $199,999 avg. project cost [Read 2 Recent Reviews](https://clutch.co/profile/abelium-rd?sort_by=date_desc&verified=true#reviews) #### Experience in 5 industries Abelium R&D has demonstrated strong expertise across several industries, primarily in Energy & Natural Resources, Education, Government, and Financial Services. Feedback highlights their innovative solutions in energy forecasting and digital transformation for government services, showcasing their strengths in project management, responsiveness, and technical capabilities. Their work has consistently yielded high satisfaction, especially in collaborative environments requiring tailored digital solutions. Overall sentiment is highly favorable, indicating that potential clients in these sectors can expect substantial value and effective partnership. [Read All Reviews](https://clutch.co/profile/abelium-rd?verified=true#reviews) ##### Energy & natural resources Experience Abelium R&D has received positive feedback from clients in the Energy & Natural Resources sector, highlighting their expertise in developing advanced forecasting solutions and automated energy consumption optimization software. Clients noted the company's high standards, creative problem-solving, and effective communication, which led to significant cost savings and a robust technological impact. Their ability to align with client values and deliver on time reinforces their suitability for businesses seeking innovative partnerships in this industry. - 2 reviews for energy & natural resources industry - 2 reviews are 5 stars - $50,000 – $199,999 avg. project cost - Software Dev for R&D Organization (5.0/5, Jul 16, 2026): Abelium R&D provided software development services for an R&D organization. The team developed a PV generation forecasting service that integrates Earth Observation data from Meteosat MTG and AI. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/472657) - Custom Software & AI Development for Energy Optimization Co (5.0/5, Jul 17, 2026): Abelium R&D developed an AI time-series energy consumption forecasting software for an energy optimization company. The team built secure API connectors to a utility platform to automate the client's workflow. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/472954) ##### Chemicals & Biotechnology Experience Abelium R&D has demonstrated significant expertise in the Chemicals & Biotechnology sector, particularly in developing and managing platforms for scientific publishing. Their clients commend them for their professional management, timely delivery, and ability to adapt to specific requirements. The positive sentiment from clients highlights Abelium's strengths in providing user-friendly solutions and effective communication, making them a strong candidate for partnerships in the industry. - 1 review for chemicals & biotechnology industry - 1 review is 5 stars - $10,000 – $49,000 avg. project cost - Platform Dev & Maintenance for Scientific Journal (5.0/5, Jan 16, 2024): Abelium R&D was hired to develop, maintain, and host a platform for a scientific journal. The team initially built the platform 10 years ago, and they continued to provide support and add new functionalities. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/261792) ##### Research Experience Abelium R&D has garnered positive feedback in the Research industry for its exceptional expertise in artificial intelligence and data interpretation. Clients, including esteemed universities, praised their flexibility, high-level communication, and ability to deliver projects on time. The comprehensive solutions provided, such as well-documented software and platforms for academic events, reflect their significant impact. Overall, clients found their experience with Abelium to be highly satisfactory, making them a strong candidate for research-focused projects. - 2 reviews for research industry - 2 reviews are 5 stars - $50,000 – $199,999 avg. project cost - Congress Platform Development for Public University (5.0/5, Jul 3, 2021): Abelium R&D developed a website for a public university. This was for the 8th European Congress of Mathematics participant's easy registration, online payment, submission, scheduling, approval, and more. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/72236) - AI Development for Higher Education University (5.0/5, Jul 22, 2022): Abelium R&D helped a higher education university develop an AI for scientific data interpretation. The team collaborated with the client in selecting, preparing, and finding the acceptable data for the project. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/151059) ##### Education Experience Abelium R&D has demonstrated significant expertise within the Education industry, particularly in implementing multimedia solutions for educational institutions. Their collaboration with the Academic and Research Network of Slovenia resulted in a successful deployment that enhanced user satisfaction among over 200,000 educators and students. Clients appreciate Abelium's proactive approach in identifying and addressing project shortcomings, leading to innovative and effective solutions. Overall, the feedback reflects a commendation of their professionalism, responsiveness, and commitment to exceeding client expectations. - 1 review for education industry - 1 review is 5 stars - $50,000 – $199,999 avg. project cost - Mobile App Development for Research Institute (5.0/5, Jul 6, 2021): Abelium R&D was hired by a research institute to handle the implementation of a multipurpose media solution for video on demand, live streaming, and video conferences provisioning. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/74162) ##### Government Experience Abelium R&D has demonstrated significant expertise in the Government sector, particularly in enhancing digital transformation for state agencies. Clients commend their flexibility, innovative solutions, and user-centric approach, noting a substantial increase in user engagement post-implementation. The company effectively addresses bureaucratic challenges, streamlining processes for subsidy applications. Overall sentiment reflects strong satisfaction with Abelium's project management and proactive suggestions, making them a compelling choice for government-related projects. - 1 review for government industry - 1 review is 5 stars - $200,000 – $999,999 avg. project cost - Digital Transformation Services for Government Adminstration (5.0/5, Nov 25, 2020): Abelium R&D provides ongoing application development and digital transformation services. They've helped digitize several processes involving enhancing access to Slovenian government services for businesses. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/123343) ##### Financial services Experience The feedback from the financial services sector highlights Abelium R&D’s expertise in developing secure and scalable software solutions, particularly for cryptocurrency applications. Clients commend their deep understanding of product development and user experience, which significantly enhances the final product. Their project management is noted for professionalism and adaptability in handling unforeseen challenges. Overall, the sentiment is positive, indicating that Abelium R&D is a strong fit for companies seeking innovative and reliable technology solutions in the financial services industry. - 1 review for financial services industry - 1 review is 5 stars - $200,000 – $999,999 avg. project cost - Dev of Trading Platform for Cryptocurrency Company (5.0/5, Jul 17, 2020): Abelium R&D developed custom software building blocks for a trading platform for a cryptocurrency company. They used various technologies including Blockchain, Java, Python, Solidity, JavaScript, and Swift. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/138699) ##### Consulting Experience Abelium R&D demonstrates strong expertise in consulting, particularly in digital transformation projects. Clients praise their exceptional team of experienced professionals, highlighting their high IQ and ability to adapt to complex challenges. The focus on collaboration and regular communication reinforces their effective project management. While their high-tech approach is impressive, there is a noted need for improved understanding of client perspectives, especially in developing contexts. Overall, their track record suggests they are a suitable partner for consulting needs in the industry. - 1 review for consulting industry - 1 review is 5 stars - $200,000 – $999,999 avg. project cost - Software Development for International Consulting Firm (5.0/5, Jul 1, 2020): Abelium R&D provided development and digital marketing consulting for a consulting company, working from full wireframes and a prototype to build a full software platform for the client's operations. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/125664) ##### Transportation Experience Abelium R&D demonstrates strong expertise in the Transportation industry, specifically in Demand Responsive Transportation solutions. Clients have highlighted their proficiency in developing customized algorithms, dynamic pricing, and process optimization. Their interdisciplinary team’s collaborative approach fosters trust and a shared vision, resulting in successful project outcomes such as market expansion and improved operational efficiency. Overall, feedback reflects a high level of satisfaction with their innovative solutions, making them a promising fit for businesses seeking advanced technological support in the Transportation sector. - 1 review for transportation industry - $200,000 – $999,999 avg. project cost - Dynamic Mobility Platform Dev for Transportation Marketplace (4.5/5, Oct 5, 2020): Abelium R&D provided custom software development for a transportation marketplace. The team created a dynamic shuttle mobility platform to help solve the client's main pain points. [Read Full Review](https://clutch.co/go-to-review/abelium-rd/78703) #### 4.9 out of 5.0 rating for cost What Clients Have Said Abelium R&D has received positive feedback regarding its overall cost and value for money. Clients have highlighted their competitive pricing, with one stating they were selected as the 'most economical provider' for a public service contract. Another client noted 'good value for cost,' emphasizing satisfaction with the quality of work delivered. Overall, clients appreciate the balance of cost against high-quality, innovative solutions, often leading to significant operational savings. [Read All Reviews](https://clutch.co/profile/abelium-rd?verified=true#reviews) - $200,000 to $999,999 (5 reviews) - $50,000 to $199,999 (3 reviews) - $10,000 to $49,000 (1 reviews) --- ### [Devleet](https://clutch.co/profile/devleet) #### 4.8 out of 5 star rating (3 reviews) - $10,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 4% UX/UI Design - 20% Custom Software Development - 10% AR/VR Development - 25% Blockchain - 2% Graphic Design - 5% Internet & Technology Law - 10% Low/No Code Development - 5% Business Consulting - 7% Mobile App Development - 2% Video Production - 10% Web Development #### Company description Devleet is a versatile software development company specializing in mobile and web applications, known for their proficiency in platform optimization, maintenance, and integration. Reviewers consistently praise Devleet for their quick responses, high-quality work, and effective project management, with 100% positive feedback. Many clients highlight their preparedness and willingness to exceed expectations, ensuring projects are smoothly executed and well-managed. [Visit Website](https://www.devleet.si/) #### Knowledgeable Client feedback highlights Devleet's extensive knowledge and expertise in project execution. One client noted the team's preparedness and willingness to go the extra mile, stating, "These guys came to meetings prepared and always willing to go an extra mile." Another emphasized their impressive management and the ability to bring in external expertise when needed, mentioning, "Their knowledge base is astonishing!" Overall, the sentiment reflects strong confidence in Devleet's capabilities and professionalism. - Payment Processor Dev for Blockchain Utility Company (5.0/5, Dec 13, 2022): One can easily notice that these guys learn and learn a lot to keep the edge. Every step is double checked and I was offered in few instances beta testing opportunity. Devleet has very competitive and competent management, where they lack the edge they bring people with required and verified competencies from outside to upgrade their base. Their knowledge base is astonishing! [Read Full Review](https://clutch.co/go-to-review/devleet/171782) #### Experience in 2 industries Devleet has demonstrated expertise in various industries, notably Software and Environmental Services. Clients praised their quick responses, quality of work, and effective project management, particularly in SaaS and blockchain optimization. The software industry feedback indicates a strong capability in mobile and web development, while the environmental sector highlights their adeptness in platform upgrades for innovative technologies. Overall, Devleet is well-regarded for its collaborative approach and agility, making them a suitable partner for projects in technology-driven fields. [Read All Reviews](https://clutch.co/profile/devleet?verified=true#reviews) ##### Software Experience Devleet has garnered positive feedback for their expertise in software development, particularly in mobile and web applications. Clients commend their quick response times and the high quality of work delivered, emphasizing their ability to adapt to project requirements seamlessly. A notable strength is their collaborative approach, having successfully partnered on prior projects. Overall, Devleet demonstrates a strong capability in the software industry, making them a viable choice for businesses seeking reliable development support. - 1 review for software industry - 1 review is 5 stars - $10,000 – $49,000 avg. project cost - Development Services for Software Development Company (5.0/5, Dec 29, 2022): Devleet provides ongoing development support for a software development company. They use Node.js and Angular for the project. [Read Full Review](https://clutch.co/go-to-review/devleet/173911) ##### Environmental Services Experience Devleet demonstrates notable expertise in the Environmental Services sector, particularly in optimizing platforms for blockchain applications. Clients praise their agile project management, thorough communication, and commitment to security enhancements. The company's ability to adapt and incorporate external expertise fosters trust and respect, making them a reliable partner. Their proactive approach to project definition and execution contributes to a seamless development process, positioning them as a strong choice for businesses seeking innovative solutions in the Environmental Services industry. - 1 review for environmental services industry - 1 review is 5 stars - $10,000 – $49,000 avg. project cost - Payment Processor Dev for Blockchain Utility Company (5.0/5, Dec 13, 2022): Devleet upgraded a platform for a waste management company. Key technologies used were .NET and React.js. [Read Full Review](https://clutch.co/go-to-review/devleet/171782) #### 5.0 out of 5.0 rating for cost What Clients Have Said Clients consistently praise Devleet for their competitive pricing and exceptional value for money. One client highlighted the smooth execution of a platform upgrade, noting the relief of having a well-defined project at a reasonable cost. Another emphasized the company's willingness to go the extra mile, providing thorough updates and maintaining strong communication, which enhanced the overall experience. The sentiment reflects satisfaction with the balance between cost and quality of service. [Read All Reviews](https://clutch.co/profile/devleet?verified=true#reviews) - $10,000 to $49,000 (2 reviews) #### Completed projects in 2 countries - Slovenia (1 projects) - Switzerland (1 projects) [View Reviews](https://clutch.co/profile/devleet?verified=true#reviews) --- ### [DATA VALLIS](https://clutch.co/profile/data-vallis) - $10,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Maribor, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 5% UX/UI Design - 20% Custom Software Development - 60% Blockchain - 5% E-Commerce Development - 5% Mobile App Development - 5% Web Development #### Company description DATA VALLIS is a Blockchain company. They specialize in Blockchain and Custom Software Development and are located in Maribor, Slovenia. [Visit Website](https://datavallis.com) --- ### [Proxima Interactive](https://clutch.co/profile/proxima-interactive) - $25,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 20% API Development - 20% Custom Software Development - 20% Blockchain - 20% Mobile App Development - 20% Web Development #### Company description Proxima Interactive is an app development company. Located in Ljubljana, Slovenia, the company was founded in 2007. Their services include Mobile App Development and Blockchain. [Visit Website](https://proxima.si/) --- ### [Noctocode](https://clutch.co/profile/noctocode) - $25,000+ minimum project size - $50 - $99 average hourly rate - 50 - 249 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 20% AI Development - 20% Blockchain - 20% Cloud Consulting & SI - 20% Mobile App Development - 20% Web Development #### Company description Noctocode is a cloud consulting & SI company. Based in Ljubljana, Slovenia, the agency was launched in 2014. Their team focuses on cloud consulting & SI and Web Development. [Visit Website](https://www.noctocode.com/) --- ### [Chain Effect](https://clutch.co/profile/chain-effect) - $10,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 25% UX/UI Design - 20% Blockchain - 10% Digital Strategy - 15% Mobile App Development - 15% Web Design - 15% Web Development #### Company description Chain Effect is an user experience company headquartered in Ljubljana, Slovenia. Their services include UX/UI Design and Blockchain. [Visit Website](https://www.chaineffect.co) --- ### [Sugar-Free Software](https://clutch.co/profile/sugar-free-software) - $5,000+ minimum project size - $25 - $49 average hourly rate - 2 - 9 employees - Izola, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 40% Custom Software Development - 10% Blockchain - 20% Mobile App Development - 30% Web Development #### Company description Sugar-Free Software is a custom software development firm. Their small team of employees is headquartered in Izola, Slovenia. Their team provides Custom Software Development and Web Development. [Visit Website](https://www.sugarfreesoftware.io/) --- ### [Greymatters d.o.o.](https://clutch.co/profile/greymatters-doo) - $10,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 10% Blockchain - 10% IoT Development - 10% IT Strategy Consulting - 20% Mobile App Development - 20% Web Development #### Company description Greymatters d.o.o. Is a custom software development company based in Ljubljana, Slovenia. They provide Custom Software Development and Web Development. [Visit Website](https://www.greymatters.si) --- ### [Cryptix AG](https://clutch.co/profile/cryptix-ag) - 10 - 49 employees - Ljubljana, Slovenia #### Services Provided - Allocation of Expertise by Percentage - 25% Blockchain - 25% Cloud Consulting & SI - 25% Cybersecurity - 25% IT Strategy Consulting #### Company description Cryptix AG, an IT strategy consulting company, offers IT strategy consulting and cloud consulting & SI. The agency is headquartered in Zug, Switzerland and Wien, Austria. [Visit Website](https://cryptix.ag) #### 29% of employees work in Ljubljana office Ljubljana, Slovenia 8 Ameriška ulica 10 - 15 employees +41 41 710 31 61 [See All Locations (3)](https://clutch.co/profile/cryptix-ag#location) --- #### 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. We evaluate service providers using a [structured methodology](https://clutch.co/methodology) that combines: - In-depth client interviews and ratings - Comprehensive project details - Market presence - Portfolio examples and industry recognition This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top. Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly. We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether. Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.