Stark GmbH

What Stark GmbH does

Stark GmbH is a privately held, family-owned Austrian full-service waste management and environmental services company headquartered in Irnfritz, Lower Austria, with approximately 100 employees and operations that span waste disposal and recycling, container and skip rental, scrap metal and vehicle recycling, demolition and industrial/tank dismantling, mobile sanitation, biogas energy production, composting, canal cleaning and pest control. Founded in 1997 by the Stark family on the foundation of an earlier 1987 scrap-metal business, the company holds the EFB (Entsorgungsfachbetrieb) certification alongside ISO 9001 and ISO 14001, and operates a certified disposal facility with weighbridge, composting plant and rail siding at its main site, plus secondary facilities in Waidhofen/Thaya and Linz.

The business serves five primary customer segments — construction and demolition companies, industrial and manufacturing firms, event organizers, private households and municipalities/public sector — through a hybrid go-to-market that combines direct B2B field sales and key-account management with self-serve online ordering via white-label partner portals (containeronline.at, pipibox.at, drecksack.at, mineralwolle-recycling.com). The company monetizes through transaction-based fees on disposal, rental, scrap purchase/resale and service contracts, and earns managed-services revenue from its Energie Mobil subsidiary (biomass heating, Biogasanlage Göpfritz). Stark co-owns ABCO GmbH, a 12-company nationwide disposal cooperation, and holds a 67% stake in sauber+stark GmbH (with Saubermacher), which manages 12 municipal waste collection centers in the Waidhofen/Thaya district. The 2025 founding of Pipibox GmbH as a standalone subsidiary and the acquisition of Sanserv WC-Mietservice in Upper Austria formalize the mobile sanitation business as a separately scalable franchise platform. Distribution is single-country (Austria), with brand sub-lines including Pipibox, Energie Mobil, Eisen Stark, sauber+stark and the Waldviertler Recyclingpark. No proprietary technology platform or AI capability is documented.

Name

Stark GmbH

Legal name

Stark GmbH

Website

https://stark-gmbh.at

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

11–50 employees

Short description

Stark GmbH is a family-owned Austrian full-service waste management and recycling company in Lower Austria, serving construction, industrial, municipal, event and residential customers with disposal, container rental, scrap metal, demolition, mobile sanitation, biogas energy and composting services across ~100 employees.

Ownership category

akta.pro rank

Headquarters

HQ city

Irnfritz

HQ country

Austria

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Marketing or Sales, Supply Chain, Others

Revenue model

1. Waste Disposal and Recycling Services: Waste collection, sorting, treatment and disposal for construction sites, workshops, events and general commercial/household waste. The company is a certified disposal facility (Entsorgungsfachbetrieb) operating composting facilities and landfill alternatives.
2. Container and Mulden Rental: Rental and sale of containers and skip systems for construction and demolition waste, available for online ordering across Austria.
3. Scrap Metal and Iron Trading: Purchase and resale of scrap metal and ferrous materials. A separate company Eisen Stark GmbH was spun out for this business.
4. Demolition and Industrial Dismantling: Building demolition, industrial decommissioning and tank dismantling services. Offered online via containeronline.at partner portal.
5. Biogas Energy Production: Operation of a biogas plant (Biogasanlage Göpfritz) through subsidiary Energie Mobil for biomass heating systems construction and operation.
6. Mobile Sanitation (Pipibox): Rental and service of mobile toilet and sanitation units (Pipibox) for construction sites and events, operated through Pipibox GmbH (founded 2025). Franchise system with partner operators.
7. Canal / Sewer Cleaning: Sewer cleaning and maintenance services.
8. Pest Control: Pest control and extermination services.

Go-to-market motion3 records

Distribution channels5 records

Marketing channels5 records

Core offering

Stark GmbH is a certified waste management and recycling company (Entsorgungsfachbetrieb) operating from Irnfritz, Lower Austria. It provides waste collection, sorting, treatment and disposal, container and skip rental, scrap metal recycling, building demolition and industrial dismantling, mobile sanitation (Pipibox), sewer cleaning, composting, pest control, and operates its own biogas plant for renewable energy production.

Product overview

Stark GmbH is a comprehensive waste management and recycling company positioned as a full-service provider (Komplettanbieter) for all disposal questions. The offering is organized around a diversified portfolio of services under the core Stark GmbH brand, supported by multiple subsidiaries and joint ventures. The primary services include waste disposal with container rental, scrap metal recycling, vehicle recycling, demolition and industrial dismantling, tank dismantling, biogas energy production, mobile sanitation (Pipibox), canal cleaning, and composting. Key subsidiaries include Pipibox GmbH (mobile toilets, founded 2025), Energie Mobil (biomass heating), Eisen Stark GmbH (steel trading), and Waldviertler Recyclingpark. The company also holds a majority stake in sauber+stark GmbH (waste collection center management) and is a co-founder of ABCO GmbH (Austria-wide disposal cooperation). Online ordering is available through white-label platforms (Containeronline.at, Pipibox.at, Drecksack.at, Mineralwolle-Recycling.com) and a customer portal.

Differentiator

Problem solved

Functional benefit

Brands

• Pipibox: Mobile sanitation and WC rental service for construction sites and events
• Energie Mobil
• sauber+stark
• Eisen Stark

Quantifiable outcome

• Energy autarky (energy self-sufficiency) achieved through investments in photovoltaics and biogas production
• +1 more outcomes

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Partnerships

Six partnerships are on record, tiered core and minor.

• Pipibox GmbHcoreChannel Partner/ Reseller/ Distributor · 1 January 2025Founded in 2025, Pipibox GmbH operates the mobile sanitation business (WC-Mietservice). It also took over Sanserv WC-Mietservice in Upper Austria (OÖ). Pipibox operates as a franchise system with partner operators across Austria. Sibling subsidiary of Stark GmbH under the same ownership.
• Eisen Stark GmbHminorChannel Partner/ Reseller/ Distributor · 1 January 2010The steel and scrap trading business was spun out into an independent company Eisen Stark GmbH in 2010.
• Energie Mobil GmbHminorStrategic or Co-development Partner · 1 January 2009Subsidiary founded in 2009 for the construction, care and further development of biomass heating systems (Biomasse-Heizanlagen). Operates the biogas plant (Biogasanlage) at Göpfritz.
• Saubermacher (sauber+stark GmbH)coreStrategic or Co-development Partner · 1 January 2007Together with Saubermacher, the working group sauber+stark was founded in 2007, which manages 12 waste collection centers (Abfallsammelzentren) for the Waidhofen/Thaya district and conducts mobile bulky waste collection. The ARGE was later converted into sauber+stark GmbH in 2015.
• ABCO GmbHcoreStrategic or Co-development Partner · 1 January 2001Stark GmbH is a partner and shareholder of ABCO GmbH, an Austrian-wide disposal cooperation consisting of 12 disposal companies operating across Austria for area-wide (flächendeckende) disposal contracts and large-scale projects.
• Sanserv WC-Mietservice (Upper Austria)minorChannel Partner/ Reseller/ DistributorSanserv WC-Mietservice in Upper Austria was taken over by Pipibox GmbH in 2025, expanding the mobile sanitation franchise in Upper Austria.

Scale indicators3 records

Recent moves17 records

Expansion highlights6 records

Broad incumbents

• Remondis: One of Europe's largest privately-owned recycling, waste management, and water services companies. Operates in Austria and competes across collection, recycling, and disposal — including hazardous streams Stark handles.
• FCC Environment CEE: International waste management group with significant Austrian and CEE operations via AVE. Overlaps in collection, recycling, hazardous waste, and facility operations, providing national-scale competition for area-wide contracts.
• Veolia Umweltservice: Global environmental services group with strong presence in Austria and the DACH region. Competes in industrial waste, recycling, and hazardous waste management for large enterprise and municipal customers.
• AVE (now part of FCC Environment CEE): One of Austria's largest waste management operators, now integrated into FCC's Central and Eastern European platform. Comparable across municipal contracts, hazardous waste, and recycling; operates at materially larger scale than Stark.

Regional players

• Lobbe Industrieservice: German mid-sized environmental services group focused on hazardous waste, industrial cleaning, and recycling. Comparable in hazardous-waste handling, tank/container dismantling, and industrial services; Germany-based rather than Austrian.
• Wittmann Entsorgungswirtschaft: Austrian mid-sized waste management and recycling company operating primarily in Lower Austria and Vienna region. Comparable service mix in collection, container services, scrap metal, and recycling; similar scale and family-owned profile.

Others

• Lindner-Recyclingtech: Austrian/Italian manufacturer of shredders and recycling systems for waste, scrap metal, and industrial materials. Adjacent supplier to the waste/recycling industry; thematically comparable to Stark's scrap metal and recycling operations.
• Komptech: Austrian-headquartered manufacturer of waste processing and recycling machinery (shredders, screeners, turners). Adjacent ecosystem participant — supplies equipment and technology used by Stark and similar operators.

Direct peers

• Brantner Gruppe: Austrian waste management and recycling group operating across multiple federal states with container services, ASZ operations, and disposal services. Closely comparable in service mix and regional Austrian footprint.
• Saubermacher: Leading Austrian family-owned waste management and recycling company. Stark's JV partner in sauber+stark GmbH and the largest comparable Austrian regional operator; competes head-to-head in collection, ASZ operations, and recycling services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/StarkGmbHIrnfritz
• Facebookfacebook.com/starkgmbh.at
• LinkedInlinkedin.com/company/stark-gmbh-irnfritz
• Instagraminstagram.com/waldviertler_recyclingpark

Compliance10 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

Subsidiaries5 records

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 Stark GmbH