Name

KREISEL Ventures

Legal name

KREISEL Ventures GmbH

Website

https://walterkreisel.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

1–10 employees

Ownership category

akta.pro rank

Product category

Renewable Energy Systems

NAICS

Solar Electric Power Generation (221114), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Electric Power Generation (22111)

SIC

Cogeneration Services & Small Power Producers (4991), Electronic & Other Electrical Equipment (No Computer Equip) (3600), Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Microgrid Development, EPC & Integration (EUAMAJAB)

akta.pro secondary industries

Renewable Distributed Generation (Rooftop/Onsite Solar, Small Wind, Small Hydro) (EUACALAJ), Energy Storage Components for Renewables Manufacturing (BESS Packs, PCS, Thermal Management) (EUAMAHAI), Onsite Low-Carbon Heat & CHP (Electrified CHP, Fuel Cells, Renewable CHP) (EUABAJAI)

Keywords

• Sustainable energy systems
• Solar battery storage
• Energy management software
• Decentralized energy solutions
• Integrated building energy

Headquarters

HQ city

Freistadt

HQ country

Austria

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Technology or R&D, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Integrated Energy System Sales: Sale of modular neoom hardware products (solar panels, battery storage, energy management hardware) as integrated systems for residential and commercial applications. Revenue derived from product sales to end customers.
2. Software / Platform Licensing: NTUITY platform provides ongoing software optimization and management services for connected energy systems. The platform is positioned as a key differentiator enabling recurring value.
3. Professional Services & Project Development: Engineering, design, and implementation services for comprehensive energy solutions, particularly in commercial building projects (e.g., Free City 360° energy system).

Go-to-market motion3 records

Distribution channels3 records

Marketing channels5 records

Core offering

KREISEL Ventures' core operating subsidiary neoom develops and sells integrated modular sustainable energy systems for residential and commercial customers, combining solar generation, battery storage, and energy management hardware with the proprietary NTUITY Internet of Energy software platform. Through subsidiaries it also covers atmospheric water generation (PHANTOR by Imhotep.Industries), sustainable construction (Buildwerk), real estate (Free City Immo), and sustainability-focused investments (Earthshot One). The flagship offering is a fully coordinated 360-degree energy system for homes and buildings.

Product overview

KREISEL Ventures serves as the investment and holding entity for Walter Kreisel's entrepreneurial activities in sustainable energy and technology. The portfolio includes neoom, which offers a modular product family for energy generation, storage, and distribution alongside the NTUITY Energy Revolution Platform for decentralized energy management. The group also encompasses Imhotep.Industries (producing the PHANTOR atmospheric water generator), Earthshot One (focused on planetary protection and renewable energy investment), and Buildwerk (sustainable construction). Walter Kreisel's personal brand includes Vitapower, covering vitality and health recommendations.

Differentiator

Problem solved

Functional benefit

Brands

• neoom: Modular products for energy generation, storage and distribution with NTUITY Energy Revolution Platform for decentralized, redundant and open energy optimization
• NTUITY
• Free City
• PHANTOR
• Vitapower

Products and services

• neoom Produktfamilie (Modular Energy System Family) Modular, perfectly coordinated hardware products for energy generation (solar), storage (batteries), and distribution designed for residential and commercial use as an integrated system.
• NTUITY Energy Revolution Platform Internet of Energy software platform that provides energy optimization through decentralized, redundant, and open architecture, connecting and managing distributed energy assets for optimal performance.
• PHANTOR Atmospheric Water Generator High-performance atmospheric water generator (AWG) that extracts water from air humidity, enabling decentralized water production.
• Vitapower Walter Kreisel's personal vitality and health brand covering supplements, routines, and biohacking tools.

Quantifiable outcome

• ~800 tonnes CO2 reduced by 2019 through neoom and NTUITY products
• +2 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Nikolas IwancoreOthers · 1 January 2026New CEO of neoom as of early 2026, bringing clarity, international experience, focus, and leadership to continue the company's development after Walter Kreisel transitioned from CEO to Aufsichtsrat role.
• Earthshot OnecoreStrategic or Co-development Partner · 1 January 2025Founded by Walter Kreisel together with partners. Focused on planetary protection, renewable energy generation and storage, water resources, and intelligent connections through technology, internet, and AI for sustainable investments.
• Imhotep.IndustriescoreStrategic or Co-development Partner · 1 January 2022Spin-off company of the neoom group focused on the PHANTOR atmospheric water generator. Walter Kreisel serves as CEO and Co-Founder. Successfully exited as independent company through neoom's entrepreneurship program. Won multiple awards including Energy Globe 2020 and GREEN Award 2022.
• KREISEL ELECTRICcoreStrategic or Co-development PartnerKREISEL SYSTEMS was established as a cooperation partner of KREISEL ELECTRIC, developing AC charging products and innovative software solutions. Walter Kreisel's team was also commissioned by KREISEL ELECTRIC to plan and implement the entire building concept of their new R&D center, one of Europe's most innovative commercial buildings.
• Buildwerk GmbHcoreStrategic or Co-development PartnerBuildwerk GmbH planned, constructed, and handed over the Free City sustainable office building. After completing Free City, Buildwerk is now developing KJUU.BE to revolutionize single and multi-family home construction. Walter Kreisel is Managing Director and Co-Owner of Free City Immo GmbH.
• LeitnerLeitnerminorChannel Partner/ Reseller/ DistributorAnchor tenant in the Free City building, along with wirsindsolar and neoom.
• wirsindsolarminorChannel Partner/ Reseller/ DistributorAnchor tenant in the Free City building, along with LeitnerLeitner and neoom.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Lichtblick: German energy services and distributed energy company (SchwarmDirg/E.ON partnership, virtual power plant operations). Lichtblick's focus on decentralised renewable energy, grid services, and energy community software overlaps with NTUITY's positioning.
• sonnen GmbH: German residential and community battery storage provider, now owned by Shell. Sonnen competes head-to-head with neoom in DACH integrated home energy storage and has a similar software/IoT layer managing distributed assets, making it the closest direct comparable.
• E3/DC: German residential and commercial hybrid storage and energy management company (now part of the Hager Group). E3/DC's integrated PV + storage + EV charging + heat pump + energy management offering is one of the closest direct competitors to neoom in DACH.
• SENEC (EnBW): SENEC is the residential storage and energy management subsidiary of EnBW and one of the leading DACH battery storage brands. It competes directly with neoom's solar storage and energy management proposition in Germany and Austria.
• Tesla Energy: Tesla's Powerwall and integrated solar/storage/charging offering competes with neoom in residential and small commercial energy systems, particularly in the premium integrated-system segment where neoom positions its 360° offering.

Broad incumbents

• Enphase Energy: Global microinverter and home energy systems provider (IQ batteries, IQ EV chargers, energy management software). Enphase's full-stack residential energy proposition is a comparable model to neoom's hardware+software integrated approach.
• Fronius International: Austrian-headquartered, family-owned inverter and solar+storage manufacturer with strong DACH market presence. Fronius overlaps with neoom in residential PV inverters, hybrid storage, and energy management — and is the most relevant Austrian-headquartered incumbent competitor.
• Viessmann: German heating, heat pump and integrated climate/energy systems incumbent (now majority-owned by Carrier). Viessmann overlaps with neoom on the heat-pump and integrated building energy side of the 360° energy system, particularly for residential and commercial new-build.
• SolarEdge: Global PV inverter and module-level power electronics leader that has expanded into residential battery storage and EV charging. Its integrated solar+storage+EV portfolio directly competes with neoom's 360° energy system in the European market.

Emerging players

• Tibber: Norwegian/Swedish digital energy retailer with a strong energy management app and smart-home integrations. Tibber competes with the NTUITY platform side of neoom in DACH and beyond, particularly for tech-forward residential consumers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/walterkreisel
• YouTubeyoutube.com/user/walterhometec
• Facebookfacebook.com/walterkreiselcom
• LinkedInlinkedin.com/company/kreiselventures
• Instagraminstagram.com/walterkreisel

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments3 records

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about KREISEL Ventures