- Revenue
- $1M
- Customers
- -
- Year founded
- 2021
- Funding
- -
- Team size
- 6
- Growth
- -
Top 19 IoT Operating Systems SaaS Companies in May 2026
As of May 2026, there are 19 SaaS companies in IoT Operating Systems. They have combined revenues of $628.4M and employ 1K people. They have raised $1.8B and serve 65M customers combined.
IoT Operating Systems (IoT OS) are specialized operating systems designed for Internet of Things (IoT) devices, enabling them to connect, communicate, and operate effectively within networks. These operating systems cater to the unique requirements of IoT hardware, focusing on lightweight performance, efficient resource management, and robust security features. They facilitate the interaction of numerous devices, allowing them to collect and share data seamlessly. Common use cases for IoT Operating Systems include smart home devices, industrial automation, wearables, and smart city applications. Features typically found in IoT OS include security protocols, device management, connectivity options, and support for various communication standards. The primary users of these systems include developers, IT professionals, and companies focused on deploying IoT solutions for specific applications and environments.
Filters
Sorting: Highest -> Lowest
Top IoT Operating Systems Companies
Showing 10 of 6 companies ranked by annual revenue.
- Revenue
- $1M
- Customers
- -
- Year founded
- 2015
- Funding
- -
- Team size
- 2
- Growth
- -
3
Thermosphr
Berlin, Germany
Thermosphr is a revolutionary operating system for thermal management in commercial buildings. We use a unique proprietary technology, result of years of research in thermal optimization and data science, which simulates and predicts building thermal behavior. Our SaaS plugs into any BMS and optimizes heating and cooling equipment settings (HVAC) in real time for maximum energy and cost efficiency. Our solution shows savings >30% within days, at no upfront cost, with continuous improvement. We are faster, more transparent and more performant than any solution available on the market! Thermosphr is bringing breakthrough thermal engineering technologies to the building industry, for more sustainable and profitable real estate.
- Revenue
- $809.4K
- Customers
- -
- Year founded
- 2020
- Funding
- -
- Team size
- 19
- Growth
- 155.44%
4
Toit
Aarhus, Middle Jutland, Denmark
Toit is founded by industry veterans eager to modernize software development for the Internet of Things. We care about performance, robustness, and developer ergonomics and we believe it is time to significantly improve the way software for small network-connected devices is developed, deployed, and maintained. Toit is an IoT ecosystem that includes a virtual machine, a high-level programming language, and management tools that make programming and managing ESP32-based devices easy and secure. With an investment of 1000 lines of code only in the high-level Toit language, you will reap the benefits of full sandboxing and real multi-application running on your device. Our platform is optimized so you can update the whole system or only individual apps as often as you need, even on a shaky connection. With us, you can even consider running your devices on batteries. Give Toit a try by signing up at toit.io.
- Revenue
- $550K
- Customers
- -
- Year founded
- 2018
- Funding
- -
- Team size
- 5
- Growth
- -
- Revenue
- $330K
- Customers
- -
- Year founded
- 2025
- Funding
- -
- Team size
- 3
- Growth
- -
6
DarkHorse
Menlo Park, California, United States
DarkHorse is an automated sports operating system that provides integrated vision and IoT-SaaS solutions.
- Revenue
- $300K
- Customers
- -
- Year founded
- 2019
- Funding
- $460K
- Team size
- 24
- Growth
- -
Inclusion Criteria
- Must provide essential features for device management and connectivity. - Must include robust security measures such as encryption and authentication. - Should enable real-time data processing and communication between devices. - Must be designed for resource-constrained environments typical of IoT devices. - Should support various hardware architectures and communication protocols. - Not just a general-purpose OS; must be optimized specifically for IoT applications.