Wannenwetsch GmbH Hochdruckwasserstrahlen

What Wannenwetsch GmbH Hochdruckwasserstrahlen does

Wannenwetsch GmbH Hochdruckwasserstrahlen, operating as Wannenwetsch HDW, is a Germany-based specialized construction services provider founded in 1991 by Dr. Alexander Wannenwetsch in Meiningen, Thüringen. The company's core competency is high-pressure water blasting (Hochdruckwasserstrahlen) for selective concrete removal, substrate preparation, and industrial cleaning in infrastructure renovation projects, using water jets up to 3,000 bar. Its equipment portfolio includes hand-guided tools (Handlanzen, Flächenreiniger), standard and telescopic cutting robots (four generations with working heights up to 12 m), high-capacity pump units (Aquajet, Jet Power, Uraca KD, HDP series up to 550 kW), and project-specific custom constructions (Sonderkonstruktion) developed in-house. The company employs approximately 50 highly qualified staff and operates from a single headquarters with an attached workshop and design division.

The company serves infrastructure owners and operators (tunnel, bridge, dam, airport, rail), construction companies, and occasionally equipment rental firms. Marquee projects include the Euro-Tunnel Calais/Dover fire damage repair, the City-Tunnel Leipzig diaphragm wall demolition under pressurised air, the 41,000 m² P6 parking structure at Zurich Airport, the Limfjord undersea tunnel in Denmark, the Felperbrücke on the A13 Brenner motorway, the Pöhl dam renovation, and the Hyundai Shipyard in South Korea. Geographic reach spans Germany, Austria, Switzerland, Denmark, France, Belgium, Latvia, and South Korea. Revenue is generated through project-based B2B contracts awarded via competitive bidding with government and private infrastructure clients, plus a secondary equipment rental stream.

Since 2002, Wannenwetsch has operated as a subsidiary of the Keller Group (KGS), a global ground engineering specialist. The company maintains active R&D and standards engagement through memberships in DFIV, AWT (Leibniz University Hannover), and DBBV, and collaborates with BG BAU on occupational safety equipment. Current managing directors are Christian Herda and Dipl.-Ing. Frank Ackermann. Revenue is not publicly disclosed.

Name

Wannenwetsch GmbH Hochdruckwasserstrahlen

Legal name

Wannenwetsch HDW GmbH

Website

https://wannenwetsch-hdw.de

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

1–10 employees

Short description

Wannenwetsch GmbH Hochdruckwasserstrahlen is a Germany-based specialized construction services provider using high-pressure water blasting technology (up to 3,000 bar) for selective concrete removal and surface preparation in infrastructure renovation projects. It serves government agencies and enterprises across Europe and Asia with custom-engineered robotic systems, operating as a subsidiary of the Keller Group.

Ownership category

akta.pro rank

Product category

Concrete Renovation & Surface Preparation Services

NAICS

Site Preparation Contractors (23891), Other General Purpose Machinery Manufacturing (3339), Other Heavy and Civil Engineering Construction (237990)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Construction, Mining & Materials Handling Machinery & Equip (3530)

akta.pro primary industry

Pressure Washing & Jetting Equipment (IMAHALAB)

akta.pro secondary industry

Hydro Jetting Services (HSAOABAD)

Keywords

• High-pressure water blasting
• Concrete renovation services
• Surface preparation
• Robotic cutting equipment
• Infrastructure rehabilitation

Headquarters

HQ city

Meiningen

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Project-based Construction Services: B2B services for concrete renovation, surface preparation, and industrial cleaning using high-pressure water blasting technology. Projects are awarded through competitive bidding with infrastructure owners and construction companies.
2. Equipment Rental: Equipment hire (Geräteverleih) with cutting technology and pump technology. Optionally provides machine operators for client-operated equipment.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Wannenwetsch GmbH is a specialized B2B service provider delivering high-pressure water blasting (up to 3,000 bar) for concrete cutting, surface preparation, reinforcement exposure, and industrial cleaning on bridges, tunnels, dams, parking structures, and other infrastructure. The company operates an in-house equipment fleet including hand-guided lances, standard cutting robots, telescopic robots up to 12 m reach, and project-specific custom constructions (Sonderkonstruktion). Services include equipment rental with optional machine operators.

Product overview

Wannenwetsch GmbH is a globally operating specialized service provider in building renovation, with high-pressure water blasting (Hochdruckwasserstrahlen, HDW) as its core competency since 1991. The company operates a portfolio of equipment systems including hand-guided tools (Handlanzen, Flächenreiniger) and robotic systems (Standardroboter, Teleskoproboter in Types 1, 3, and 4), supported by high-capacity pump units (Handlanzenaggregate such as Aquajet series and Jet Power; Roboteraggregate including Uraca KD and HDP series). Custom-designed solutions (Sonderkonstruktion) are developed in-house for challenging project geometries. Optional construction site equipment includes three-chamber sedimentation tanks, exhaust extraction systems, zeolite filtration, and water treatment systems. The equipment fleet is transported using mobile configurations (tandem trailers, Sprinter vehicles, LKW-mounted systems). All components are designed, maintained, and customized through the company's in-house workshop and design division.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Concrete removal rates of 1-10 m³ per day with mechanical cutting robots
• +4 more outcomes

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature8 records

Partnerships

Four partnerships are on record, tiered minor.

• DFIV - Deutschsprachiger Flüssigkeitsstrahler Industrie Verband e.V.minorStrategic or Co-development PartnerIndustry association for liquid jetting technology. Wannenwetsch is a member contributing to the continuous development of the sector and high-pressure water blasting method.
• AWT - Arbeitskreis WasserstrahltechnologieminorStrategic or Co-development PartnerWorking Group on Water Jet Technology at Leibniz University Hannover. Wannenwetsch participates contributing to research and development in the field.
• DBBV - Deutscher Beton- und Bautechnik-Verein e.V.minorStrategic or Co-development PartnerGerman Concrete and Building Technology Association. Wannenwetsch is a member contributing to technical and efficient innovation in the industry.
• BG BAU (Berufsgenossenschaft der Bauwirtschaft)minorStrategic or Co-development PartnerCollaboration on protective equipment development including blast protection overalls. Wannenwetsch works with BG BAU's protective clothing division for occupational safety.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Emerging players

• Brokk AB: Swedish manufacturer of remote-controlled demolition robots (Brokk machines), used in concrete and infrastructure demolition. Increasingly adjacent to hydrodemolition robotics; overlaps with Wannenwetsch's robot-based service model in infrastructure demolition.

Broad incumbents

• NLB Corporation: US-based manufacturer of high-pressure water jetting equipment and pumps with global service reach. Comparable technology category; broader, established player rather than a niche service specialist.
• Hammelmann GmbH: Well-established German manufacturer of high-pressure plunger pumps and complete HDW systems used across cleaning, cutting, and process industries. Broader scope than Wannenwetsch (equipment OEM and systems integrator) but operates in the same high-pressure water technology category.

Direct peers

• Conjet AB: Swedish firm specializing in remote-controlled hydrodemolition robots for concrete removal and surface preparation. Closest like-for-like competitor on the equipment and service offering Wannenwetsch delivers to bridges, tunnels, and parking structures.
• Aquajet Systems AB: Swedish manufacturer of robotic hydrodemolition systems and HDW equipment, with service operations across Europe. Directly comparable to Wannenwetsch on technology stack (robotic concrete removal, high-pressure water jetting) and on target customers (infrastructure owners and contractors).
• Falch GmbH: German high-pressure water jet technology company offering equipment, services, and rental across industrial cleaning and concrete renovation. Comparable on technology, German footprint, and B2B project delivery model.
• Antich GmbH & Co. KG: German specialist in concrete renovation, hydrodemolition, and surface preparation for infrastructure and industrial clients. Direct regional peer in Germany serving the same construction and infrastructure-owner segments.

Others

• Putzmeister Holding GmbH: Large German manufacturer of concrete pumps, mortar machines, and related construction equipment. Adjacent to Wannenwetsch through concrete construction and infrastructure equipment, but does not specialize in HDW robotic services.

Market position

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/wannenwetsch-gmbh-hochdruckwasserstrahlen

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 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 Wannenwetsch GmbH Hochdruckwasserstrahlen