# Top Internet of Things Companies in Bulgaria Highly reviewed IoT companies in Bulgaria include Sigma Software Group, App Streams Ltd, Quanterall, BGO Software - The Digital Health Lab, eLando, Devision, Aionys, ThingsLog, Senstate Technologies, Dision. 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 Internet of Things Companies in Bulgaria Ratings Updated: Jul 29, 2026 ### [Sigma Software Group](https://clutch.co/profile/sigma-software-group) #### 4.8 out of 5 star rating (37 reviews) - $50,000+ minimum project size - $50 - $99 average hourly rate - 1,000 - 9,999 employees - Burgas, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% AI Consulting - 15% Custom Software Development - 11% BI & Big Data Consulting & SI - 11% Cloud Consulting & SI - 11% IoT Development - 10% Cybersecurity - 17% Mobile App Development - 15% Web Development #### Company description Sigma Software Group is a versatile IT services company offering comprehensive software development, website creation, and application development solutions. The company is praised for its efficiency, creativity, and collaborative spirit, with 100% of reviewers highlighting timely delivery and satisfaction with product outcomes. While some suggest a need for more proactive guidance, 90% of feedback notes their adaptability and strong alignment with client needs and values. [Visit Website](https://sigma.software/?utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [App Streams Ltd](https://clutch.co/profile/app-streams) #### 5 out of 5 star rating (9 reviews) - $25,000+ minimum project size - $25 - $49 average hourly rate - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% UX/UI Design - 10% AI Development - 10% IoT Development - 25% Mobile App Development - 15% Application Testing - 30% Web Development #### Company description App Streams Ltd is a versatile software development company specializing in front-end and back-end solutions, mobile applications, and full-stack services. Across various industries, they have consistently received positive feedback for their professionalism, timely delivery, and ability to integrate seamlessly with client teams. Approximately 100% of reviews highlight their strong communication, alignment in values, and exceptional project management skills. [Visit Website](https://www.app-streams.com/??utm_source=clutch.co&utm_medium=referral&utm_campaign=directory) --- ### [Quanterall](https://clutch.co/profile/quanterall) #### 5 out of 5 star rating (3 reviews) - $50,000+ minimum project size - $50 - $99 average hourly rate - 50 - 249 employees - Varna, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 30% Blockchain - 15% IoT Development - 10% Mobile App Development - 15% Web Development #### Company description Quanterall is a software development company specializing in blockchain, smart contracts, and financial transaction systems. They are praised for their technical expertise, effective communication, and professionalism, with 100% of reviews mentioning high-quality deliverables and strong project management. Clients value Quanterall's flexibility and ability to integrate advanced technologies into complex projects efficiently. [Visit Website](https://quanterall.com/) --- ### [BGO Software - The Digital Health Lab](https://clutch.co/profile/bgo-software-digital-health-lab) #### 4.8 out of 5 star rating (18 reviews) - $10,000+ minimum project size - $50 - $99 average hourly rate - 50 - 249 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 50% Custom Software Development - 10% Application Management & Support - 10% IoT Development - 10% IT Managed Services - 10% IT Strategy Consulting - 10% Mobile App Development #### Company description BGO Software - The Digital Health Lab is a software development company specializing in creating solutions for healthcare, cybersecurity, and analytics. Client reviews highlight their professionalism, technical expertise, and commitment to project timelines, with 100% indicating satisfaction with deliverables and communication. Approximately 90% of reviewers emphasize their adaptability and understanding of complex project needs, underscoring their reputation for fostering strong client relationships and delivering tailored solutions. [Visit Website](https://www.bgosoftware.com?utm_source=clutch.co&utm_medium=referral&utm_campaign=bg-developers-internet-of-things) --- ### [eLando](https://clutch.co/profile/elando) #### 4.9 out of 5 star rating (8 reviews) - $25,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 10% Cloud Consulting & SI - 10% IoT Development - 10% Cybersecurity - 10% IT Strategy Consulting - 10% Low/No Code Development - 10% Mobile App Development - 10% Web Development #### Company description eLando is a software development company specializing in custom software solutions, digital transformation, and technical consulting. The overarching feedback from their reviews is overwhelmingly positive, with clients praising their technical expertise, responsiveness, and reliability. Approximately 90% of reviewers highlight eLando's ability to deliver projects on time and within budget, noting their excellent value for cost and strong alignment with client needs and company values. [Visit Website](https://www.elando.com) --- ### [Devision](https://clutch.co/profile/devision) #### 4.9 out of 5 star rating (12 reviews) - $50,000+ minimum project size - $50 - $99 average hourly rate - 50 - 249 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 40% Custom Software Development - 20% IoT Development - 10% Mobile App Development - 30% Web Development #### Company description Devision is a versatile software development company providing services such as web application development, software updates, and staff augmentation. Reviews highlight their expertise in handling complex projects and their ability to integrate well with clients' teams. Approximately 90% of feedback is positive, with clients appreciating their professionalism, technical skills, and effective communication. Around 60% of reviewers specifically commend their project management capabilities, though some mention occasional challenges in estimating project timelines. Overall, Devision is recognized for delivering value and high-quality solutions. [Visit Website](http://www.devision.com/?utm_source=clutch&utm_medium=referral) --- ### [Aionys](https://clutch.co/profile/aionys) #### 5 out of 5 star rating (13 reviews) - $5,000+ minimum project size - $25 - $49 average hourly rate - 50 - 249 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 10% Enterprise App Modernization - 15% AI Development - 10% IoT Development - 10% Low/No Code Development - 15% Mobile App Development - 10% IT Staff Augmentation #### Company description Aionys is an IoT development company specializing in IoT solutions and integration for the manufacturing industry. The reviews indicate a high level of satisfaction, with 100% of clients praising their seamless implementation and effective project management. Clients highlight Aionys's ability to enhance operational efficiency through automation and real-time inventory monitoring, underscoring their expertise in cyber-physical software development. [Visit Website](http://aionys.com) --- ### [ThingsLog](https://clutch.co/profile/thingslog) #### 5 out of 5 star rating (1 reviews) - $1,000+ minimum project size - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% AI Development - 10% Application Management & Support - 40% IoT Development - 20% IT Managed Services - 10% Mobile App Development - 10% Web Development #### Company description ThingsLog is an IoT solutions provider specializing in designing, documenting, and implementing IoT devices and applications for client projects. The company consistently receives positive feedback, with 100% of reviewers mentioning their innovative and cost-efficient solutions. Clients commend their project management skills and responsiveness, appreciating their ability to deliver complex projects within budget and requirements. [Visit Website](https://thingslog.com) --- ### [Senstate Technologies](https://clutch.co/profile/senstate-technologies) #### 5 out of 5 star rating (1 reviews) - $10,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Gabrovo, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 80% IoT Development - 20% Other IT Consulting and SI #### Company description Senstate Technologies is a technology company specializing in developing sensor networks and AI-driven solutions for optimizing waste collection and monitoring environmental factors like air and water quality. The feedback indicates a 99% satisfaction rate, highlighting their reliability and effective project management. Clients appreciate their dedication to continuous learning and adherence to European environmental standards. [Visit Website](https://senstate.com) --- ### [Dision](https://clutch.co/profile/dision) #### 5 out of 5 star rating (1 reviews) - $10,000+ minimum project size - $50 - $99 average hourly rate - 2 - 9 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 20% UX/UI Design - 20% IoT Development - 40% Mobile App Development - 10% Wearable App Development - 10% Web Development #### Company description Dision is an Android development company known for its exceptional technical skills and efficient project management. Reviewers consistently praise their organizational abilities, timely delivery, and innovative contributions, particularly in integrating client processes. Despite minor remote communication challenges, the feedback is overwhelmingly positive, with 100% of reviewers appreciating their adaptability and eagerness to tackle complex projects. [Visit Website](https://dision.co/) --- ### [MENA Software](https://clutch.co/profile/mena-software) #### 4.8 out of 5 star rating (4 reviews) - $5,000+ minimum project size - $25 - $49 average hourly rate - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% Custom Software Development - 10% BI & Big Data Consulting & SI - 25% Blockchain - 15% Back Office Outsourcing - 10% IoT Development - 10% Business Consulting - 10% Mobile App Development - 10% Web Development #### Company description MENA Software is a versatile software development company specializing in platform development, blockchain solutions, and app creation. Their services have received overwhelmingly positive feedback, with approximately 100% of clients noting their effective project management and dedication. Clients consistently highlight the company's strong competence, high-quality output, and affordability, with no major areas for improvement suggested. [Visit Website](https://menasoftware.com/) --- ### [findy IoT](https://clutch.co/profile/findy-iot) - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 15% Custom Software Development - 15% Engineering - 70% IoT Development #### Company description Findy IoT is an IoT development company. They were launched in 2015 and provide IoT development and Custom Software Development. [Visit Website](https://findyiot.com) --- ### [IndigoVerge](https://clutch.co/profile/indigoverge) - $10,000+ minimum project size - $25 - $49 average hourly rate - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 30% IoT Development - 10% Business Consulting - 10% Mobile App Development - 5% Social Media Marketing - 15% Web Development #### Company description IndigoVerge is a software development company. In Sofia, Bulgaria, the firm was launched in 2006. Their team focuses on Custom Software Development and IoT development. [Visit Website](http://indigoverge.com/) --- ### [Smartaly](https://clutch.co/profile/smartaly) - $25,000+ minimum project size - $50 - $99 average hourly rate - 10 - 49 employees - Pravets, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 20% Custom Software Development - 20% AI Development - 60% IoT Development #### Company description Smartaly, an IoT development company, was founded in 2019. The team specializes in IoT development and Custom Software Development and is in La Roquette-sur-Siagne, France and Pravets, Bulgaria. [Visit Website](https://www.smartaly.fr) --- ### [Wildorb Interactive Design Studio](https://clutch.co/profile/wildorb-interactive-design-studio) - $1,000+ minimum project size - $25 - $49 average hourly rate - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% UX/UI Design - 10% Custom Software Development - 10% Branding - 10% E-Commerce Development - 10% Graphic Design - 10% IoT Development - 10% Mobile App Development - 10% Application Testing - 10% Web Design - 10% Web Development #### Company description Wildorb Interactive Design Studio, a software development firm, is based in Sofia, Bulgaria. They provide Custom Software Development and UX/UI Design. [Visit Website](https://wildorb.com) --- ### [NCB Ltd](https://clutch.co/profile/ncb) - $1,000+ minimum project size - $25 - $49 average hourly rate - 10 - 49 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 30% Custom Software Development - 10% Blockchain - 10% IoT Development - 20% Application Testing - 30% Web Development #### Company description Founded in 2013, NCB Ltd is a software development firm. Their team offers Custom Software Development and Web Development. [Visit Website](https://ncb.global/) --- ### [OBG](https://clutch.co/profile/obg) - $10,000+ minimum project size - $25 - $49 average hourly rate - 2 - 9 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% Custom Software Development - 10% Enterprise App Modernization - 10% IoT Development - 10% IT Managed Services - 30% Mobile App Development - 30% Web Development #### Company description App development firm OBG was founded in 2014. The team focuses on Mobile App Development and Web Development and is based in Sofia, Bulgaria. [Visit Website](https://www.obgsoftware.com) --- ### [Soitron](https://clutch.co/profile/soitron) - $5,000+ minimum project size - $50 - $99 average hourly rate - 250 - 999 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 10% Custom Software Development - 5% Back Office Outsourcing - 10% IoT Development - 25% IT Managed Services - 15% Cybersecurity - 20% IT Staff Augmentation - 15% Web Development #### Company description Soitron is a Bratislava 25, Slovakia-based IT managed services company. The team provides IT managed services and IT staff augmentation. [Visit Website](http://www.soitron.com) --- ### [Civitta](https://clutch.co/profile/civitta-1-1) #### 4.9 out of 5 star rating (23 reviews) - $25,000+ minimum project size - $50 - $99 average hourly rate - 250 - 999 employees - Sofia, Bulgaria #### Services Provided - Allocation of Expertise by Percentage - 20% Custom Software Development - 15% Enterprise App Modernization - 25% AI Development - 20% Cloud Consulting & SI - 10% IoT Development - 10% Mobile App Development #### Company description Civitta is a digital transformation consultancy that provides IT services, SaaS development, and AI solutions. Reviews indicate strong project management, effective communication, and timely delivery, with a high client satisfaction rate of 95%. The recurring theme is their capability to integrate seamlessly with client teams and deliver innovative solutions that meet complex business needs. [Visit Website](https://civitta.com/digital/?utm_source=clutch.co&utm_medium=referral&utm_campaign=profile) --- #### 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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