KEO
KEO GmbH is a Cologne-based software company developing EEBUS-standard interoperability solutions for energy management. It licenses connectivity software to device manufacturers (wallboxes, heat pumps, inverters, storage, smart meter gateways) and energy-platform providers to enable regulatory-compliant communication across the European smart-grid ecosystem.
- Company typePrivate
- Founded2012
- HeadquartersCologne, Germany
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What KEO does
KEO GmbH (operating as KEO Connectivity) is a Cologne-based private software company founded in 2012 and spun off from the Kellendonk Group in 2015. The company develops EEBUS-standard-based interoperability software that enables seamless digital communication across energy-relevant devices — wallboxes, heat pumps, PV inverters, storage systems, smart meter gateways, and home energy management systems (HEMS) — for grid operators, energy utilities, device manufacturers, and energy-platform providers. Its three core products are UseCase API (a configurable software module that makes hardware EEBUS-compatible), KEO Edge (with the integrated CLS.EEDI module, serving as the bridge between local energy management systems and grid operators), and Ktest StiX (an interactive EEBUS testing and simulation tool for development teams). The technology stack abstracts complex EEBUS communication into ready-to-integrate modules with BSI-certified security (TPM 2.0) and out-of-the-box compliance with German and European energy regulations (§14a EnWG, §9 EEG, VDE-AR-N 4100/4105) and the EU Cyber Resilience Act.
The company monetizes through enterprise B2B software licensing to device manufacturers and energy-platform providers, supplemented by recurring subscriptions for developer tools and professional services for implementation and EEBUS certification support. Distribution combines direct enterprise field sales with a partner ecosystem — including gridX, TQ, Sonnen, and PPC — that embeds KEO's EEBUS stack into their own products. KEO is an active member of the EEBUS Initiative e.V. and participates in three EU/nationally funded research consortia (BDL-Next, SISSY, eMpowerSYS) targeting bidirectional EV charging, smart-metering infrastructure, and property-level energy services.
The customer base includes 18+ named enterprise logos spanning multiple verticals — Bosch, Daikin, SMA, Vaillant, Midea, Sonnen, Senec, E3DC, PPC, gridX, Kiwigrid, TQ, Theben, EQ-3, Bender, Airzone, Kostal, and Vivavis — and the company states its software underpins more than 1 million connected devices worldwide. KEO is privately held, ISO 9001 certified, and led by Managing Director Michael Spall (since 2020); no external venture capital funding rounds are disclosed in the source data.
KEO firmographics
Firmographics- Name
- KEO
- Legal name
- KEO GmbH
- Website
- https://keo-connectivity.de
- Company type
- Private
- Founded year
- 2012
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- KEO GmbH is a Cologne-based software company developing EEBUS-standard interoperability solutions for energy management. It licenses connectivity software to device manufacturers (wallboxes, heat pumps, inverters, storage, smart meter gateways) and energy-platform providers to enable regulatory-compliant communication across the European smart-grid ecosystem.
- Ownership category
- akta.pro rank
KEO industry classification
Industry- Product category
- Energy Management Software
- NAICS
- Computer Systems Design and Related Services (5415)
- SIC
- Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- EV Charging Grid Integration Services (Utility Make-Ready, Load Management Integration) (EUAEANAJ)
Keywords
Where KEO is headquartered
LocationHeadquarters
- HQ city
- Cologne
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
KEO business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure
Revenue model
- Software Licensing and Integration: KEO provides EEBUS-compliant software modules (UseCase API, KEO Edge) to device manufacturers. Revenue likely derives from licensing the software stack, configuration services, and ongoing support/maintenance agreements. The company offers four-step implementation: Configuration, Integration, Testing, and Certification support.
- Developer Tools and Testing Solutions: Ktest StiX provides interactive EEBUS testing tools for development teams. Revenue from tool licensing or subscription.
- Professional Services: KEO provides personal accompaniment during implementation, internal test support, and certification support until successful EEBUS certification and beyond.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Enterprise B2B licensing with personalized implementation support |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels5 records
KEO product offering
Product offeringCore offering
KEO develops and sells EEBUS standard-based software modules that enable seamless, secure interoperability between energy-relevant devices such as PV inverters, battery storage systems, wallboxes, heat pumps, home energy management systems (HEMS), and smart meter gateways, as well as with grid operators. Its portfolio includes the UseCase API for making hardware EEBUS-compatible, Ktest StiX for development and certification testing, and KEO Edge for bridging local energy management with grid operators, all with built-in regulatory compliance for German and European energy laws.
Product overview
KEO offers a portfolio of three core software products built on the EEBUS standard for energy management interoperability: UseCase API (EEBUS communication software for device manufacturers to make their hardware EEBUS-compatible), Ktest StiX (interactive EEBUS testing and simulation tool for development teams), and KEO Edge (bridge software connecting local energy management systems with grid operators). The products work together to enable the entire EEBUS ecosystem: UseCase API and Ktest StiX serve device manufacturers and developers for integration and testing, while KEO Edge and its integrated CLS.EEDI module serve grid operators and energy managers at the network connection point. All products comply with German and European energy regulations including §14a EnWG, §9 EEG, VDE standards, and the EU Cyber Resilience Act.
Differentiator
Problem solved
Functional benefit
Products and services
- UseCase API
Quantifiable outcome
- 1 million+ connected devices worldwide
- +2 more outcomes
Companies that use KEO
Customer profileNamed customers18 records
Segments6 records
Ideal customer profiles2 records
KEO technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
KEO partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and major.
- SISSY Project ConsortiumcoreKEO participates in SISSY project (01.12.2023 – 30.11.2026) developing the smart metering system into a central, secure, mass-capable access gateway at controllable grid connection points. New standards will enable §14a EnWG control for large quantities cost-efficiently.
- BDL-Next Project ConsortiumcoreKEO participates in the BDL-Next project (01.11.2023 – 31.10.2026), the successor to the Bidirectional Charging (BDL) project. Objective: Next-generation bidirectional charging management in mass-produced real-world operation. KEO provides EEBUS connectivity for bidirectional EV charging integration.
- eMpowerSYS Project ConsortiummajorKEO participates in eMpowerSYS project (01.07.2022 – 30.06.2025) developing value-added services for properties based on smart metering system as secure communication anchor.
- EEBUS Initiative e.V.coreKEO is an active member of the EEBUS Initiative e.V., which has over 70 leading international companies and industry associations. The initiative created a standardized global device language for energy-related information exchange. KEO actively participates in shaping the EEBUS specification and brings EEBUS to life through implementation.
- gridXmajorgridX, Europe's leading Smart-Energy company with modular EMS XENON, partnered with KEO for EEBUS compatibility. gridX wanted to implement EEBUS strictly according to specification and quickly. Partnership with KEO enables fast and regulation-compliant market launch for their customers.
- TQ (TQ-Automation)majorTQ uses KEO EEBus-Stack for faster implementation of Use Cases on TQ Energy Manager Platform. Partnership enables TQ to focus on energy management applications while achieving EEBUS Plug&Play compatibility.
- SonnenmajorSonnen, leading provider of intelligent energy management solutions and storage systems, partnered with KEO to implement EEBUS standard with high interoperability and standardized use cases for their EMS. Optimal preparation for §14a EnWG compliance.
- Power Plus Communications (PPC)majorPPC, leading provider of certified SMGWs and CLS products with 120+ employees and seven-digit delivered SMGW quantities, uses KEO EEBUS stack. KEO helped PPC become first to complete BSZ procedure and certify PPC CLS Adapter Control according to TR-03109-5.
Scale indicators4 records
Recent moves7 records
Expansion highlights5 records
KEO competitors and assessment
Company assessmentEmerging players
- Loxone: Loxone is an Austrian smart home/building automation provider with energy management features. It competes in the HEMS/smart-home layer for German-speaking customers and overlaps with KEO's integration use cases for heat pumps, PV, and storage.
- Tibber: Tibber is a European digital energy retailer and home energy management provider operating dynamic tariffs and smart home integration. It overlaps with KEO in enabling dynamic-tariff and self-consumption optimization use cases at the consumer/HEMS layer.
- 1Home: 1Home provides smart home/energy integration bridging BMS, voice assistants, and energy devices for European properties. Comparable as a niche interoperability layer serving the same residential energy management use cases KEO addresses via EEBUS.
Broad incumbents
- Schneider Electric (EcoStruxure): Schneider Electric's EcoStruxure platform offers broad energy management and grid software, including DERMS and home/building energy management. It is a broad incumbent across the same end-customers (utilities, OEMs, building operators) that KEO targets in DACH.
- EnergyHub: EnergyHub is a US-based DERMS platform serving utilities for residential DER orchestration (thermostats, storage, EV chargers). Comparable to KEO's KEO Edge/CLS.EEDI in the grid-to-device orchestration layer, though operating in a different regulatory regime.
- Siemens Smart Infrastructure: Siemens Smart Infrastructure offers grid management software, HEMS-adjacent platforms, and energy IoT solutions for utilities and building operators. Comparable in target market and energy interoperability scope, though with a much broader portfolio.
- AutoGrid (Uplight): AutoGrid (now part of Uplight) is a DERMS/grid-edge flexibility platform serving utilities globally. It operates at a more utility/wholesale layer than KEO but addresses overlapping demand response, DER orchestration, and grid flexibility use cases.
Direct peers
- gridX: gridX is a European Smart-Energy/HEMS platform provider (XENON EMS) that partners with KEO for EEBUS compatibility. Both compete and collaborate in the HEMS/integrator layer, serving the same German/European OEMs and energy management use cases.
- Kiwigrid: Kiwigrid is a Dresden-based energy management platform provider serving utilities, housing providers, and OEMs. Like KEO, it operates in the EEBUS/energy IoT interoperability space in DACH with overlapping customer segments.
- GreenCom Networks: GreenCom Networks provides IoT energy management and flexibility platforms for utilities and OEMs in Europe. Directly comparable as a software layer enabling device-to-grid communication and energy service orchestration.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
KEO social profiles
Digital presenceKEO compliance and trust
Trust signalCompliance4 records
KEO financial estimates
Financial estimateRevenue estimate
Valuation estimate
KEO leadership team
Management profileNumber of profiles
Profiles1 record
KEO funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
KEO 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 KEO
What does KEO do?
KEO develops and sells EEBUS standard-based software modules that enable seamless, secure interoperability between energy-relevant devices such as PV inverters, battery storage systems, wallboxes, heat pumps, home energy management systems (HEMS), and smart meter gateways, as well as with grid operators. Its portfolio includes the UseCase API for making hardware EEBUS-compatible, Ktest StiX for development and certification testing, and KEO Edge for bridging local energy management with grid operators, all with built-in regulatory compliance for German and European energy laws.
Is KEO a public or private company?
KEO is a private company. It is classified as management employee owned and is currently operating.
When was KEO founded?
KEO was founded in 2012. It employs 11 to 50 people.
Where is KEO based?
KEO is headquartered in Cologne, Germany, in the Europe region.
How does KEO make money?
Three revenue lines are on record. Software Licensing and Integration is the primary driver. The others are developer Tools and Testing Solutions and professional Services.
Who are KEO's main competitors?
Emerging players on record are Loxone, Tibber and 1Home. Broad incumbents are Schneider Electric (EcoStruxure), EnergyHub, Siemens Smart Infrastructure and AutoGrid (Uplight). Direct peers are gridX, Kiwigrid and GreenCom Networks.
Does KEO have an API?
Yes. The UseCase API is a configurable software module that makes hardware EEBUS-compatible for seamless communication between energy-relevant devices. It enables demand flexibility (short-term intelligent control of energy devices), self-consumption optimization (maximizing self-consumption and reducing energy costs), and flexible tariffs (automatic response to flexible pricing models). The API translates complex EEBUS communication into intuitive KEO messages for device logic. An interactive demo is available at https://keo-uc-api.netlify.app/. Integration follows a four-step process: Configuration, Integration, Testing, and Certification. KEO Edge also offers a local API for EMS logic on the device, allowing partners to integrate their own energy management functions. Developer documentation is at keo-uc-api.netlify.app.
What industry is KEO in?
KEO's product category is Energy Management Software. Its primary akta.pro industry code is EUAEANAJ, EV Charging Grid Integration Services (Utility Make-Ready, Load Management Integration). Its NAICS code is 5415 and its SIC code is 7373.