le tec

What le tec does

LE-TEC S.a.r.l is a Luxembourg-based private limited company (Société à responsabilité limitée) headquartered in Grevenmacher that develops and delivers sustainable infrastructure solutions across three environmental domains: energy, water, and air. Its core offerings include battery energy storage systems, solar photovoltaic (PV) installations, and an intelligent energy management platform for residential, commercial, and industrial customers; water treatment technologies including microplastic extraction using emulsion and filtration processes for municipal, industrial, and laboratory-scale applications; and UV-light-based air purification systems integrated with full-spectrum room lighting.

The company serves two primary vertical segments — Cities and Municipalities (for smart-city energy and storage projects) and Industry and Crafts (for industrial energy efficiency, PV, battery storage, and e-mobility integration) — delivering full-service projects from planning and installation through ongoing maintenance. Underlying technology includes proprietary-feeling but unpatented filtration and emulsion processes for microplastics, UV/microfilter air purification, and a smart energy management layer that monitors consumption. The company claims execution of projects worldwide through its team and partner network.

LE-TEC operates a direct, consultative sales motion with quote-based, project-by-project pricing and no publicly disclosed rates; multi-year maintenance contracts accompany hardware sales. Distribution is direct to end customers. The company is small (11–50 employees), privately held with no disclosed institutional investors, funding history, revenue figures, named customers, or patents in the source data. The only listed personnel is W. Thömmes, identified as the Data Protection Officer and primary contact.

Name

le tec

Legal name

LE-TEC S.a.r.l

Website

https://le-tec.com

Company type

Private

Operating status

Operating

Headcount range

11–50 employees

Short description

LE-TEC S.a.r.l is a Luxembourg-based private company that delivers sustainable infrastructure solutions — energy storage, PV, intelligent energy management, water treatment (including microplastic extraction), and UV air purification — to municipalities and industrial customers on a project basis.

Ownership category

akta.pro rank

Product category

Environmental Engineering Systems

NAICS

Solar Electric Power Generation (221114), Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512)

SIC

Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564), Electric Lighting & Wiring Equipment (3640)

akta.pro primary industry

Solar PV Power Plant EPC (Utility-Scale) (EUAEAAAG)

akta.pro secondary industries

Electrical Balance-of-Plant EPC (MV Collection, Cabling, Earthing, Lighting) (EUAEADAB), Power Plant I&C / SCADA / DCS EPC (EUAEAAAN)

Keywords

• Energy storage systems
• Water treatment solutions
• Air purification systems
• Renewable energy solutions
• Sustainable environmental technology

Headquarters

HQ city

Grevenmacher

HQ country

Luxembourg

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Energy Storage Systems and PV Solutions: Sale and installation of energy storage systems, PV plants, and related hardware for municipalities, industry, and crafts. Includes intelligent energy management solutions.
2. Water Treatment Systems: Water treatment solutions and systems for industrial, municipal water supply, and drinking water applications. Includes laboratory-scale solutions for large-scale industrial and municipal use.
3. Air Purification Systems: Air purification and indoor air quality systems including installation and maintenance services.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

LE-TEC S.a.r.l develops and delivers three core product lines for environmental sustainability: (1) intelligent energy solutions including battery storage systems, PV solar installations, and smart energy management; (2) water treatment systems featuring advanced filtration and novel microplastic extraction via emulsion processes; and (3) UV-based air purification systems with integrated full-spectrum lighting. The company provides full-service project execution from planning through installation to ongoing maintenance for municipalities and industrial clients globally.

Product overview

LE-TEC S.a.r.l is a Luxembourg-based company offering three core product lines: energy solutions (Energiespeicherung), water treatment (Wasseraufbereitung), and air purification (Luftreinigung). The energy portfolio includes intelligent battery storage systems, PV solar installations, and smart energy management software, which work together to maximize renewable energy utilization and reduce electricity costs. The water treatment line features advanced filtration technologies and microplastic extraction systems for municipal, industrial, and laboratory applications. The air purification division offers UV-based air cleaning systems with integrated full-spectrum lighting. These solutions are delivered through two vertical market segments: Smart City solutions for municipalities and Industry & Trade solutions for businesses, with full service from planning and installation through maintenance and support.

Differentiator

Problem solved

Functional benefit

Products and services

• Energiespeicherung (Energy Storage) Intelligent battery storage solutions for residential, commercial, and industrial applications that maximize PV plant energy output, increase self-consumption, and reduce reliance on rising electricity prices.
• PV-Anlagen (Solar Photovoltaic Systems) Solar photovoltaic systems for energy generation, often combined with storage solutions to maximize energy efficiency and reduce costs for industrial, commercial, and municipal customers.
• Intelligentes Energiemanagement (Intelligent Energy Management) Smart energy management system that monitors and controls energy consumption through intelligent load management, reducing energy losses and maximizing savings while integrating renewable energy sources.
• Wasseraufbereitung (Water Treatment) Innovative water purification technologies including advanced filter systems and microplastic extraction that deliver clean, safe drinking water free from contaminants, suitable for industrial, municipal water supply, and laboratory-scale applications.
• Micro Plastik Extraktion (Microplastic Extraction) Proprietary technologies for extracting microplastics from water using emulsion processes and filtration techniques to address emerging water contamination concerns.
• Luftreinigung (Air Purification) CO2 reduction and air purification systems using microfilter and UV-light based technologies that remove particles, pollutants, and pathogens from indoor air, with integrated full-spectrum room lighting.
• UV-Luftreinigung (UV Air Purification) UV-based air purification systems integrated with functional lighting solutions that use full light spectrum for optimal room illumination while purifying air simultaneously.
• Smart City Lösungen (Smart City Solutions) Integrated energy solutions for cities and municipalities supporting digital transformation of energy supply, including innovative energy storage, renewable energy integration, and intelligent energy management for municipal infrastructure.
• Industrie und Handwerk Lösungen (Industry and Trade Solutions) Combined energy and e-mobility solutions for industry and trade including PV systems, battery storage, and comprehensive services from planning to installation and maintenance for industrial and trade businesses.
• E-Mobility Lösungen (E-Mobility Solutions) Intelligent integration of e-mobility with energy storage and PV systems for industrial and commercial applications, supporting the transition to sustainable transportation.

Segments2 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• Sonnen: Specialist in residential and commercial battery storage systems with intelligent energy management software. Directly comparable to LE-TEC's core battery storage + intelligent energy management stack.
• E3/DC: German provider of residential and commercial battery storage systems with integrated PV and e-mobility management. Highly comparable to LE-TEC's battery + PV + e-mobility integrated solution.
• KOSTAL Solar Electric: European manufacturer of PV inverters and hybrid storage solutions for residential and commercial markets. Overlaps with LE-TEC's PV and storage hardware stack.
• IBC Solar: German PV EPC and storage solutions provider active internationally across commercial, industrial and municipal segments. Comparable European PV + storage integrator footprint.
• Fronius International: Austrian PV inverter and energy storage solutions provider with strong presence in European commercial and industrial segments. Comparable product overlap in PV generation, storage and energy management.
• Solarwatt: German SME-scale solar PV and battery storage system integrator serving residential and commercial customers. Closely comparable to LE-TEC in combining PV, battery storage and energy management into an integrated full-service offering.
• Senec: German battery storage specialist offering home and commercial storage with intelligent energy management. Comparable to LE-TEC's intelligent energy management and storage focus.

Broad incumbents

• SMA Solar Technology: Large German-listed PV inverter and energy management company serving residential, commercial and utility-scale solar. A broader incumbent competing for the same PV+storage buyer but with substantially greater scale and brand.
• SolarEdge: Global PV inverter and storage solutions provider with a strong European commercial and residential footprint. A larger, broader competitor to LE-TEC in the PV+storage value chain.
• Viessmann: Major European HVAC and renewable energy systems provider with integrated PV, storage, heat pump and ventilation offerings. A large incumbent whose integrated sustainability portfolio competes with LE-TEC's combined energy + air + water positioning.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/le-tec

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

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

M&A

Investments

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

Frequently asked questions about le tec