eSOL
eSOL is a Tokyo-headquartered embedded software vendor (TSE 4420) offering real-time operating systems, hypervisors, AUTOSAR platforms, development tools, and engineering services to automotive, industrial, medical, and consumer-electronics manufacturers, with safety-certified RTOS products and a global partner ecosystem.
- Company typePublic
- Founded1975
- HeadquartersTokyo, Japan
- Headcount251–500
- GTM typeB2B
- OfferingSoftware
What eSOL does
eSOL Co., Ltd. (TSE Standard Market: 4420) is a Tokyo-headquartered embedded software platform vendor founded in 1975 as Elg Co., Ltd. and listed via IPO in October 2018. The company develops real-time operating systems, hypervisors, AUTOSAR stacks, and associated development tooling for safety-critical and high-performance embedded applications across automotive, industrial, medical, and consumer-electronics markets.
Its core technology stack comprises eMCOS, a many-core RTOS with patented Semi-Priority Based Scheduling; eT-Kernel, a TRON-derived microkernel RTOS pre-certified to IEC 61508 SIL 4 and IEC 62304, with eMCOS POSIX additionally certified to ISO 26262 ASIL D; the eMCOS Hypervisor for mixed-criticality consolidation; AUBIST, supporting both AUTOSAR Classic and Adaptive platforms; eDEVS/eBinder integrated environments; the eMBP parallelization tool; and eXRP, a real-time 3D engine. eSOL's engineering services and training practices supplement the licensed software, and the firm maintains standards-body affiliations including AUTOSAR premium partnership, Autoware founding membership, IEEE SHIM, and SOAFEE.
eSOL monetizes through a combination of software licensing (RTOS, middleware, hypervisor, AUTOSAR, development tools), engineering services and customization, training programs, and ongoing technical support, sold to OEMs and Tier-1s such as Denso, Mitsubishi Electric, Nintendo, Brother, Konica Minolta, Roland, and JAXA. The business operates globally through subsidiaries including eSOL TRINITY, eSOL Europe SAS, and the acquired KMC entity, with 523 employees as of December 31, 2024.
eSOL firmographics
Firmographics- Name
- eSOL
- Legal name
- イーソル株式会社 (eSOL Co.,Ltd.)
- Website
- https://esol.co.jp
- Company type
- Public
- Founded year
- 1975
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- eSOL is a Tokyo-headquartered embedded software vendor (TSE 4420) offering real-time operating systems, hypervisors, AUTOSAR platforms, development tools, and engineering services to automotive, industrial, medical, and consumer-electronics manufacturers, with safety-certified RTOS products and a global partner ecosystem.
- Ownership category
- akta.pro rank
eSOL industry classification
Industry- Product category
- Embedded Real-Time Operating Systems and Software
- NAICS
- Computer Systems Design Services (541512)
- SIC
- Services-Computer Programming Services (7371), Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- Embedded Software & Firmware Tools (Compilers, Debug, RTOS tooling) (HDAHAFAE)
Keywords
Where eSOL is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices4 records
Markets served
eSOL business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure
Revenue model
- Software Products (RTOS, Hypervisors, Middleware, Development Tools): Licensing and sale of proprietary real-time operating systems (eMCOS, eT-Kernel), hypervisors, middleware (file systems, network stacks), and development tools (eDEVS/eBinder, eMBP). Revenue is generated through one-time licenses and annual maintenance/support contracts.
- Engineering Services: Custom embedded software development services across automotive, industrial, medical, and consumer segments. Includes AUTOSAR implementation, ROS/ROS 2 integration, image processing/AI engineering, graphics and visualization, and sensor solutions development. Revenue is project-based professional services.
- AUTOSAR Products and Solutions: AUBIST series products including AUTOSAR Classic Platform and Adaptive Platform, AUTOSAR-compliant RTOS, ETAS products, and related engineering services.
- Training Services: Arm architecture training, AUTOSAR CP and AP training, and product training for RTOS and tools. Offered as instructor-led and on-demand video courses.
- Sensing Solutions: IoT tank level management solutions, logistics hardware and software, POS systems, solar power storage units, and disaster prevention hardware products sold through the Sensing Device division.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | AUTOSAR CP 2-day Training Course |
| One time/ perpetual license | Multi-year contract | AUTOSAR CP 3-day Training Course |
| One time/ perpetual license | Multi-year contract | AUTOSAR CP Q&A Session (Online) |
| One time/ perpetual license | Multi-year contract | AUTOSAR CP Q&A Session (Face-to-face) |
| Subscription | Annual | Product Maintenance and Support Contracts |
Go-to-market motion3 records
Distribution channels6 records
Marketing channels7 records
eSOL product offering
Product offeringCore offering
eSOL develops and licenses real-time operating systems (eMCOS many-core RTOS and eT-Kernel safety-certified microkernel RTOS), hypervisors, integrated development environments (eDEVS/eBinder, eMBP), AUTOSAR platforms (AUBIST Classic and Adaptive), middleware (file systems, TCP/IP stacks, security), and the eXRP real-time 3D engine. The company complements these products with professional embedded engineering services, AUTOSAR and Arm training, and sensing/IoT solutions, targeting automotive, industrial, medical, consumer, and aerospace OEMs and Tier 1 suppliers worldwide.
Product overview
eSOL is a Japanese real-time OS vendor offering a comprehensive embedded software platform portfolio centered on its RTOS products eMCOS and eT-Kernel, complemented by development tools (eDEVS/eBinder, eMBP), middleware, AUTOSAR solutions (AUBIST series), and industrial networking products. The platform supports single-core to 1024-core processors and serves automotive, industrial, medical, consumer, and aerospace sectors. Engineering services including ROS/ROS 2 integration, AUTOSAR training, and image processing/AI services extend the product ecosystem. Recent additions include eXRP real-time 3D engine and acquired products from Kyoto Micro Computer (KMC) subsidiary.
Differentiator
Problem solved
Functional benefit
Brands
- eSOL TRINITY: Automotive software development support tools, consulting, professional services, and engineer education subsidiary
- eMCOS
- eT-Kernel
- AUBIST
- eXRP
- eBinder/eDEVS
- eMBP
Products and services
- eMCOS Real-Time Operating System A next-generation scalable real-time OS and hypervisor platform for software-defined computing that supports POSIX and scales from a single core to 1024 cores, intended for automotive, industrial, and medical embedded systems requiring high performance and mixed-criticality support.
- eMCOS POSIX POSIX-compliant scalable RTOS for embedded systems that supports AUTOSAR and ROS/ROS 2 with real-time performance and ISO 26262 ASIL D safety certification for automotive ECU development.
- eMCOS Hypervisor Type 1.5 hybrid hypervisor for eMCOS POSIX that enables mixed-criticality systems with Linux/Android coexistence and real-time application separation on the same hardware.
- eMCOS SDK Software development kit for the eMCOS RTOS providing compilers, debuggers, and development tools needed to build embedded applications on the eMCOS platform.
- eT-Kernel Real-Time Operating System TRON T-Kernel API-based microkernel real-time OS with high reliability and safety certification to ISO 26262 ASIL D and IEC 61508 SIL 4, used across automotive, industrial, aerospace, and consumer applications.
- eXRP Real-Time 3D Engine Real-time 3D engine for mobility, robotics, and manufacturing industries supporting digital twin, simulation, and HMI development with both runtime and editor components.
- eDEVS / eBinder Integrated Development Environment Modular integrated development environment optimized for eMCOS and eT-Kernel with Eclipse and Visual Studio Code support, CMake-based build process, integrated debugger, trace analyzer, and performance analyzer for embedded software development.
- eMBP Model-Based Parallelization Tool Model-based parallelization tool that generates high-performance code for multi-core and many-core systems, helping developers parallelize applications for heterogeneous embedded processors.
- AUBIST Classic Platform AUTOSAR Classic Platform-compliant automotive platform software used as the foundation for AUTOSAR-based ECU development by domestic Japanese OEMs and Tier 1 suppliers.
- AUBIST Adaptive Platform AUTOSAR Adaptive Platform solution for automotive applications, supporting a dynamic OS and POSIX-based applications for autonomous driving and high-performance vehicle computing.
- Embedded Engineering Services Professional embedded engineering services covering AUTOSAR implementation, ROS/ROS 2 integration, image processing and AI engineering, graphics and visualization, and sensor solutions development for automotive, industrial, medical, and consumer customers.
- AUTOSAR Training Services Training courses for AUTOSAR Classic Platform and Adaptive Platform developed and delivered by eSOL's AUTOSAR premium-partner experts, including 2-day and 3-day courses plus online and face-to-face Q&A sessions.
- Arm Architecture Training Arm-certified training for software engineers covering Arm architecture specifications from Armv7 to Armv8-M, delivered as an Arm Approved Training Partner (ATP) offering.
- PARTNER-Jet JTAG Emulators (PARTNER-Jet3 and PARTNER-Jet2) Third-generation JTAG emulators (PARTNER-Jet3 and PARTNER-Jet2) from subsidiary Kyoto Micro Computer for embedded system debugging, supporting Arm, SH, and Intel architectures.
- SOLID RTOS TOPPERS kernel-based RTOS from subsidiary KMC with debugging features aimed at reducing bugs and debug effort and improving embedded development efficiency.
- IoT Tank Level Management Solution IoT solution for tank level monitoring using sensors and cloud connectivity that enables remote level tracking and operational efficiency for logistics and industrial customers.
- eSOL Emusen Wireless LAN Handheld Terminal Application Development Tool Wireless LAN handheld terminal application development tool that supports multiple terminal manufacturers with a single application source code for logistics and distribution customers.
- Solar Cubic Solar Power Generation and Storage Device Cube-type portable solar power generation and storage device for emergency and disaster use that provides power supply without requiring construction work.
Quantifiable outcome
- eMCOS supports scaling from single-core to 1024 cores in heterogeneous architectures
- +3 more outcomes
Companies that use eSOL
Customer profileNamed customers15 records
Segments5 records
Ideal customer profiles4 records
eSOL technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration21 records
AI capability8 records
Feature9 records
eSOL partnerships and signals
Strategic signalPartnerships
21 partnerships are on record, tiered core and minor.
- Kalray SAcorePartnership with Kalray for many-core processor support. eMCOS runs on Kalray's MPPA many-core processors including Coolidge for mixed-criticality systems. Joint development of many-core SDK and AUTOSAR solutions.
- The Autoware FoundationcoreFounding member and premium member of The Autoware Foundation, which develops the open-source Autoware autonomous driving software platform. eSOL provides RTOS platforms (eMCOS) supporting Autoware and contributes to the foundation's technical direction.
- AUTOSAR ConsortiumcorePremium partner of AUTOSAR, actively participating in OS and architecture group specification development for both AUTOSAR Classic Platform and AUTOSAR Adaptive Platform. eSOL's RTOS products are designed to comply with AUTOSAR standards.
- SOAFEE (Scalable Open Architecture for Embedded Edge)coreeSOL joined SOAFEE initiative focused on cloud-native development for automotive and edge computing, aligning SDV development with containerized software deployment.
- IEEE SHIM Working GroupcoreeSOL's CTO served as chair of the IEEE SHIM (Software-Hardware Interface for Multicore) Working Group. The SHIM specification was standardized as IEEE Std 2804, providing a standardized software-hardware interface for multicore embedded systems.
- Multicore Association / Multicore Consortium JapanminorActive member contributing to multicore and many-core technology standardization and promotion in Japan.
- Renesas ElectronicscoreTechnology partnership with Renesas for RTOS support on R-Car, RZ, RX, and RA processor families. eSOL provides drivers, BSP, and AUTOSAR solutions for Renesas platforms including R-Car H3, RZ/N, RZ/T, RZ/G, and RZ/A series.
- Arm LimitedcoreArm technology partner. eSOL is an Arm Approved Training Partner (ATP) offering Arm architecture training. eMCOS and eT-Kernel support Arm processor families including Cortex-A, Cortex-R, and Cortex-M. eSOL products integrated with Arm Fast Models and Arm Development Studio.
- Xilinx (AMD)coreeSOL is part of Xilinx/AMD's ecosystem partner program. eMCOS runs on Zynq UltraScale+ MPSoC and Kria SOM platforms, supporting automotive and edge AI applications.
- CodeSecure Inc.minoreSOL TRINITY signed domestic distribution agreement for CodeSonar and CodeSentry static analysis tools for embedded software security analysis.
- Corellium Ltd.minoreSOL TRINITY signed domestic distribution agreement for Corellium Atlas virtual hardware platform enabling fast virtual hardware development and cloud-based testing.
- Mirabilis Design (VisualSim)minoreSOL TRINITY distributes VisualSim modeling and simulation tools for automotive system architecture and AUTOSAR design.
- Denso Create (Next Design)minoreSOL TRINITY distributes Next Design system/software design tool developed by Denso Create for automotive and embedded development.
- Tier IV (Autoware)coreStrategic partnership for autonomous driving technology commercialization, combining Tier IV's Autoware with eSOL's RTOS platforms and engineering services.
- ETAS GmbH (Bosch)coreDistribution partnership for ETAS AUTOSAR products (RTA-CAR) in Japan. eSOL and ETAS collaborate on AUTOSAR CP solutions.
- Intron Technology HoldingsminorBusiness partnership for next-generation SDV development in the Chinese market, announced February 2025.
- Cybertrust Japan (Cybereason)minorPartnership for onboard security products and solutions in the Japanese market.
- SGS JapanminorSecurity consulting partner for EU Cyber Resilience Act (CRA) compliance webinars and training, guest speaker on reporting obligations and regulatory requirements.
- RISC-V Design Center (RVDC)minorPartnership for RISC-V ecosystem promotion and adoption, announced August 2025, supporting RISC-V based embedded system development.
- W4 Games (Godot)minorStrategic partnership for industrial use of the Godot open-source game engine in industrial, automotive, robotics, and manufacturing sectors.
- Cybertrust JapancoreJoint development agreement for Japan-originated SDx development platform for the Physical AI era, announced July 2026.
Scale indicators6 records
Recent moves8 records
Expansion highlights6 records
eSOL competitors and assessment
Company assessmentDirect peers
- Wind River Systems: Wind River's VxWorks RTOS and Helix Virtualization Platform directly compete with eMCOS and eT-Kernel in safety-critical automotive, aerospace, and industrial segments. Both companies sell commercial real-time operating systems with functional safety certifications to overlapping Tier-1 and OEM customers.
- Green Hills Software: Green Hills' INTEGRITY RTOS and MULTI IDE compete head-to-head with eT-Kernel and eMCOS in DO-178C, ISO 26262, and IEC 61508 certified applications. Both vendors target the same high-reliability automotive, industrial, and aerospace/medical design wins.
- BlackBerry QNX: QNX Neutrino RTOS and QNX Hypervisor are the dominant commercial real-time platforms in automotive instrument clusters, infotainment, and ADAS, directly competing with eMCOS Hypervisor and AUBIST for OEM design wins in next-generation SDV architectures.
- ETAS (Bosch): ETAS supplies RTA-CAR AUTOSAR basic software, middleware, and engineering tools that compete directly with eSOL's AUBIST Classic/Adaptive platforms. The two companies also have a distribution partnership in Japan, making ETAS both a competitor and a channel partner.
- Vector Informatik: Vector is the global market leader in AUTOSAR basic software, CANoe/INCA tools, and embedded networking stacks. It competes with eSOL across AUTOSAR CP/AP, automotive Ethernet, and ECU development tooling, particularly in European OEM accounts.
- Elektrobit (Continental): Elektrobit provides AUTOSAR, Android-based infotainment, and over-the-air update solutions that compete with eSOL's AUBIST series and engineering services in automotive cockpit and connected-vehicle programs, with strong European OEM relationships.
- Lynx Software Technologies: Lynx's LynxOS-178 and MOSA.ic hypervisor/RTOS compete with eMCOS and eT-Kernel in safety- and security-critical avionics, defense, and industrial applications requiring mixed-criticality virtualization on multi-core hardware.
- SYSGO (Thales): SYSGO's PikeOS safety-critical RTOS/hypervisor targets ISO 26262, IEC 61508, and DO-178C applications in automotive, railway, avionics, and industrial automation, directly overlapping eSOL's mixed-criticality consolidation value proposition.
Emerging players
- PX5 RTOS: PX5 offers a commercial-grade, safety-certified RTOS targeting IoT and edge devices with Arm Cortex-M and Cortex-A support. It is an emerging alternative to eT-Kernel in resource-constrained embedded applications and represents a long-tail competitive threat.
Broad incumbents
- Siemens Embedded (Mentor Graphics): Siemens' embedded software portfolio (Embedded Real-Time OS, AUTOSAR, VxSim-style simulation, Capital E/E tooling) overlaps broadly with eSOL's full-stack offering. It is a much larger incumbent with deeper relationships across global OEMs but does not specialize as a domestic Japanese RTOS vendor.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks6 records
Key highlights7 records
Customer concentration
eSOL social profiles
Digital presenceeSOL compliance and trust
Trust signalCompliance5 records
eSOL financial estimates
Financial estimateRevenue estimate
Valuation estimate
eSOL leadership team
Management profileNumber of profiles
Profiles2 records
eSOL subsidiaries and ownership
Company hierarchySubsidiaries3 records
eSOL funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
eSOL M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about eSOL
What does eSOL do?
eSOL develops and licenses real-time operating systems (eMCOS many-core RTOS and eT-Kernel safety-certified microkernel RTOS), hypervisors, integrated development environments (eDEVS/eBinder, eMBP), AUTOSAR platforms (AUBIST Classic and Adaptive), middleware (file systems, TCP/IP stacks, security), and the eXRP real-time 3D engine. The company complements these products with professional embedded engineering services, AUTOSAR and Arm training, and sensing/IoT solutions, targeting automotive, industrial, medical, consumer, and aerospace OEMs and Tier 1 suppliers worldwide.
Is eSOL a public or private company?
eSOL is a public company. It is classified as public and is currently operating.
When was eSOL founded?
eSOL was founded in 1975. It employs 251 to 500 people.
Where is eSOL based?
eSOL is headquartered in Tokyo, Japan, in the Asia region.
How does eSOL make money?
Five revenue lines are on record. Software Products (RTOS, Hypervisors, Middleware, Development Tools) is the primary driver. The others are engineering Services, AUTOSAR Products and Solutions, training Services and sensing Solutions.
Who are eSOL's main competitors?
Direct peers on record are Wind River Systems, Green Hills Software, BlackBerry QNX, ETAS (Bosch), Vector Informatik, Elektrobit (Continental), Lynx Software Technologies and SYSGO (Thales). PX5 RTOS is listed as an emerging player. Siemens Embedded (Mentor Graphics) is listed as a broad incumbent.
Does eSOL have an API?
No public API is recorded for eSOL.
What industry is eSOL in?
eSOL's product category is Embedded Real-Time Operating Systems and Software. Its primary akta.pro industry code is HDAHAFAE, Embedded Software & Firmware Tools (Compilers, Debug, RTOS tooling). Its NAICS code is 541512 and its SIC code is 7371.