Your eMobility Engineering Partner for EV Charging Systems That Work
We integrate OCPP, build embedded charging firmware, and validate interoperability so your EV infrastructure ships on time and runs in production.
What We Do
eMobility and EV Charging
We integrate OCPP, connect backends, and validate smart charging protocols for real charging infrastructure.
Learn more →Firmware and Embedded Systems
Production-grade firmware for charging controllers, gateways, and industrial embedded targets.
Learn more →Dedicated Engineering Teams
Integrated remote teams for your project, managed from Germany and delivered from Cameroon.
Learn more →QA, Test and Validation
From interoperability testing to OCPP conformance preparation. CI/CD gates, requirements traceability, and field validation.
Learn more →“Stack vendors build stacks. We make EV charging systems work in real deployments.”
Clemios SARL is an engineering services company headquartered in Bangangté, Cameroon, with European business development in Germany. The core focus: eMobility software, OCPP 2.0.1 protocol engineering, embedded firmware, and QA for European charge-point operators and hardware OEMs. Protocol work means navigating real integration constraints, not just implementing a spec. Clemios has been a member of the Open Charge Alliance (OCA) since January 2026. The team has delivered 20+ projects across 4 industries, with 49 trained engineers and a dedicated OCPP group operating under German engineering standards from a Cameroon delivery centre.
They (Stack Vendors)
- Build and license protocol stacks
- Sell standardised software components
- Product-oriented
We (Clemios)
- Integrate protocols into real hardware
- Adapt solutions to your constraints
- Engineering execution-oriented
- Validate interoperability and support long-term operation
We complement protocol stack vendors. We do not compete with them. We make their technology work in your deployment.
Engineering in Action
OCPP Integration for a German Charger OEM
Integrated OCPP 2.0.1 into a DC fast charger. Two firmware variants, three backend systems, one conformance target. Commissioning time dropped significantly.
Significantly faster commissioning vs. previous generation
Embedded Test Automation for a Healthcare Device Manufacturer
Manual verification of safety-critical MCU firmware was the bottleneck. We replaced it with a CI-gated automated pipeline covering CAN bus, temperature compensation, and EEPROM integrity.
~85% reduction in manual test effort (estimated)
Communication Protocol Fix for an Industrial Systems Integrator
Intermittent data loss in a multi-device Modbus RTU network. Root cause: timing drift under load. Fix: deterministic task scheduling and time synchronisation across all nodes.
Zero data loss after deployment
Engineering Asset
FlexCharge.OCPP (Our Delivery Accelerator)
A modular, production-grade OCPP implementation that accelerates every project we deliver. Six architectural layers, from transport to business logic, purpose-built for real charger hardware and backend systems.
- Reusable across projects
- OCPP 2.0.1 actively implemented
- OCPP 2.1 in development
- Designed for integration, not resale
49
Engineers Trained Through Our Programme
Two cohorts. 100% employment rate. 0% voluntary dropout. 90% retention in remote engineering roles. Our growing programme spans 5 specialisations, including eMobility, embedded systems, AI-assisted development, and cybersecurity.
In academic partnership with Universite des Montagnes, Cameroon.
Learn About Our Talent Programme →Transparent Pricing
Ongoing Engineering Support
Full cost control. All prices are tax-excluded. No hidden fees. Certification costs included.
Starter
- OCPP 2.0.1 / 2.1 integration iOCPP IntegrationThe open protocol standard for communication between charging stations and backend systems. We integrate both current (2.0.1) and next-gen (2.1) versions.
- Monitoring, updates, issue resolution iMonitoring & UpdatesOngoing care for your deployment: performance monitoring, firmware and security patches, and hands-on bug fixing when issues arise.
- AI modules available as add-ons (0,09 € / port / mo per module) iAI Add-onsOptional intelligent modules: predictive maintenance, load management, and data analytics. Each module is priced individually at 0,09 € per port per month. Activate only the modules you need.
- 3 months free trial (up to 50 pts) iFree TrialTest the full Starter package with up to 50 charging points at zero cost. No commitment required. Cancel anytime during the trial.
- Email support, 48 h response iEmail SupportBusiness-hours email support (Mon-Fri 9-17 CET, Berlin). First response guaranteed within 48 hours.
Professional
- Everything in Starter iStarter Features IncludedAll Starter features carry over: OCPP integration, monitoring, updates, and trial credit. Nothing is lost when upgrading.
- Extended integration iExtended IntegrationDeeper customisation of the OCPP integration for your specific charger hardware, backend systems, and business logic.
- Email + phone support, 32 h response iEmail & Phone SupportBusiness-hours email and phone support (Mon-Fri 9-17 CET, Berlin). First response guaranteed within 32 hours.
- 8 h / yr engineering hours included iEngineering HoursDedicated engineering time each year for custom work, troubleshooting, optimisation, or certification support. Included at no extra cost.
- AI modules available as add-ons iAI Add-onsSame AI modules as Starter: predictive maintenance, load management, and analytics. Each module is priced individually at 0,09 € per port per month.
Enterprise
- Everything in Professional iProfessional Features IncludedAll Professional features are included by default: extended integration, phone support, and engineering hours.
- Custom-branded integration iCustom-Branded IntegrationYour own branded interface and deployment, fully adapted to your corporate identity and operational requirements.
- Dynamic tariff management iDynamic Tariff ManagementAI-driven real-time pricing that adjusts charging rates based on grid load, energy costs, and demand. Available exclusively in the Enterprise tier.
- All AI modules included iAll AI ModulesPredictive maintenance, intelligent load management, data analytics, and dynamic tariff management. All four modules included at no extra charge.
- Dedicated account manager iDedicated Account ManagerA single named point of contact for all your technical and commercial matters, from onboarding through ongoing operations.
- Individual SLA iIndividual SLAA custom service-level agreement with guaranteed response times, resolution targets, and escalation paths tailored to your needs.
- Co-development pilot available iCo-Development PilotA joint development phase where Clemios engineers build and validate features alongside your team before full deployment.
All prices are tax-excluded. No hidden fees. Certification costs included. Competitively structured for the European market.
Industry Alignment
Standards We Build On
Open Charge Alliance (OCA)
Member since 2026
Universite des Montagnes
Academic partner
We align with the standards bodies and industry associations defining EV charging interoperability in Europe.
Ready to Build EV Charging Systems That Work?
Our engineers are standing by. Whether you need OCPP integration, embedded firmware, or a dedicated team, we deliver from day one.