Katec Kanaltechnik Muller & Wahl Gmbh

What Katec Kanaltechnik Muller & Wahl Gmbh does

Katec Kanaltechnik Müller & Wahl GmbH (KATEC) is a German trenchless sewer and canal rehabilitation contractor founded in 1997 by Gerd Müller and Thomas Wahl and headquartered in Jünkerath, with regional branches in Simmern (Hunsrück, relocated to a new 7,000 sqm facility in 2022) and Schwerte (Westfalen, opened in 2022). The company executes repair and renovation of municipal and industrial sewage and rainwater networks using a portfolio of trenchless methods: KA-TE and PI.TRON robotic epoxy repair systems with reversible formwork for point repairs of connections, cracks, and missing wall sections; partial (short) liners using ECR glass-fiber fabric with polyurethane, silicone, or epoxy resins; Quick-Lock stainless-steel sleeves from UHRIG/PipeSealTec for point repairs under groundwater pressure; UV-cured Alphaliner 500G GFRP hose lining (CIPP) from RelineEurope for DN 150–1600 pipes up to 300 m per cure; and shaft rehabilitation combining machine-applied KS-ASS coating and ERGELIT mortars. All methods hold RAL-GZ 961 quality marks, and KATEC has been certified under Siebert+Knipschild annually since 2017, achieving a 97.56% sample pass rate in 2025.

KATEC operates 29 canal rehabilitation systems and 17 robots (rising to 18 in 2026 with the 14th Pipetronics unit), conducts its own robot maintenance, and trains operators internally at its KATEC Learn facility — a distinctive talent and capital-intensity barrier in a market where 86% of contracts are awarded through public tender to certified firms. The fleet supports diameters from DN 150 to DN 1600 and includes the only robotic equipment in Germany certified to repair severely deformed (over 20%) egg-shaped and circular stoneware canals. Projects are won through public procurement and direct relationships with engineering firms (HPC AG, Zink Ingenieure) and municipal clients such as Stadt Rheinbach, Tiefbauamt Bonn, Verbandsgemeindewerke Gerolstein, Stadt Achern, Stadt Iserlohn, and Entsorgungsbetriebe Wesseling.

Revenue is generated entirely through project-based B2B and B2G service contracts at undisclosed quote-based pricing; no consumer business exists. The company is financed for succession by Hannover Finanz (which acquired equity in 2025 alongside Rohrsanierung Jensen, forming a firmenverbund), with founder Gerd Müller remaining as Geschäftsführer. KATEC employs over 100 staff across its three German locations.

Name

Katec Kanaltechnik Muller & Wahl Gmbh

Legal name

KATEC Kanaltechnik Müller & Wahl GmbH

Website

https://www.katec-kanaltechnik.de

Company type

Private

Founded year

1997

Operating status

Operating

Short description

Katec Kanaltechnik Müller & Wahl GmbH is a German trenchless sewer rehabilitation contractor serving municipalities and industrial clients with robotic repair, UV-cured CIPP lining, and shaft rehabilitation across three regional branches.

Ownership category

akta.pro rank

Product category

Trenchless Sewer and Canal Rehabilitation Services

NAICS

Water and Sewer Line and Related Structures Construction (23711)

SIC

Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Trenchless Sewer Repair (Pipe Lining/CIPP) (HSAOABAH)

akta.pro secondary industries

Water & Wastewater Pipeline Construction (Mains, Force Mains, Interceptors) (IMAFAGAC), Plumbing & Pipefitting Contracting (IMAFALAC)

Keywords

• Trenchless sewer rehabilitation
• Robotic pipe repair
• UV-cured CIPP lining
• Canal rehabilitation services
• Pipe relining contractor

Headquarters

HQ city

Jünkerath

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Canal and Sewer Rehabilitation Services: KATEC generates revenue through the provision of professional canal and sewer rehabilitation services. The company operates on a project-by-project basis, with contracts awarded primarily via public tenders (86% of the market is public-sector) and direct commercial engagements with municipal governments, network operators, and industrial clients. Revenue is derived from service fees for repair and renovation work using specialized equipment and materials, including robotic repair, pipe lining, and shaft rehabilitation. The company is financed by Hannover Finanz for succession planning purposes.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels4 records

Core offering

KATEC is a specialized contractor delivering trenchless (grabenlose) sewer and canal rehabilitation services for German municipalities, municipal utilities (Stadtwerke/Entsorgungsbetriebe), engineering firms, and industrial clients. Its portfolio covers KA-TE and PI.TRON robotic point repair, UV-cured GFK hose lining (Alphaliner), partial liners (Kurzliner), Quick-Lock stainless steel sleeves, and shaft (Schacht) rehabilitation, applied in circular pipes DN 150–1600 and egg-shaped profiles DN 200/300–600/900 without excavation.

Product overview

KATEC Kanaltechnik is a specialized trenchless sewer rehabilitation contractor operating from three locations (Jünkerath headquarters, Simmern, Schwerte-Westfalen) with 100+ employees. Its product portfolio comprises a suite of complementary rehabilitation methods: (1) KA-TE Roboter — a robotic epoxy repair system with reversible formwork for point repairs of inlets, cracks, and joint defects; (2) PI.TRON Spachtel- und Verpress-System — a Pipetronics-sourced robotic counterpart with 7 fully electric eMulti variants for the same application range (DN 170–800 circular, DN 200/300–600/900 egg profile); (3) Partielle Auskleidung / Kurzliner — ECR glass-fiber partial liners cured with multi-component epoxy, polyurethane, or silicone resins via packer for DN 150–800; (4) Quick-Lock Edelstahlmanschetten — stainless-steel mechanical sleeves from UHRIG/PipeSealTec for point repairs under pressure in DN 150–1800; (5) Schachtsanierung — shaft rehabilitation combining machine-applied KS-ASS mineral coating and manual repair using Hermes ERGELIT mortars (RAL S42.1/S42.2); (6) Schlauch-Lining (UV-Cured CIPP) — Alphaliner 500G GFRP hose liners from RelineEurope cured by integrated UV LED chain for DN 150–1600 (RAL S27.3); and (7) Master-Gun — a PRO-Kanal inversion system for DN 70–250 house connections. The portfolio is rounded out by KATEC Learn, an in-house robotic operator training rig, and a proprietary robot workshop for equipment maintenance.

Differentiator

Problem solved

Functional benefit

Products and services

• KA-TE Roboter (KA-TE Robot) Robotic point-repair service using the KA-TE robot with ölhydraulic milling head drive and 2K epoxy resin, employing a reversible shuttering technique for repairs of connections (inlets), pipe joints, longitudinal/transverse cracks, and missing wall sections in circular pipes DN 170–800 (KATEC: DN 900) and egg-shaped pipes DN 200/300–600/900. Offered to municipalities and industrial clients under RAL-GZ 961 quality mark S10.1 'Roboter Spachtel/Verpresssysteme'.
• PI.TRON Spachtel- und Verpress-System (PI.TRON Filling and Injection System) Robotic point-repair service using the PI.TRON system (Pipetronics) with reversible shuttering that allows the shutdown/bladder to remain at the repair site during epoxy hardening so the host machine can perform other work simultaneously. Enables repair of highly angled, eccentric, and DN<150 connections that competing robotic systems cannot handle, in circular pipes DN 170–800 (KATEC: DN 900) and egg-shaped pipes DN 200/300–600/900. RAL-GZ 961 S10.1 certified. KATEC operates 18 PI.TRON/eMulti Pipetronics units in total.
• Partielle Auskleidung / Kurzliner (Partial Lining / Shortliner) Spot-repair/partial lining service using ECR glass-fiber fabric pre-impregnated with multi-component resin systems (polyurethane, silicone, or epoxy — including 2K epoxy Robopox 10 from MC Bauchemie in some applications). The patch is fixed to an air packer, positioned at the damage point, and cold-hardened, for use in circular profiles DN 150–800 and lead-in range DN 80–150. All systems are DIBt-approved and certified under RAL-GZ 961 S15.1 'Sanierung mit vor Ort härtenden Materialien'.
• Quick-Lock Edelstahlmanschetten (Quick-Lock Stainless-Steel Sleeves) Mechanical point-repair service using patented Quick-Lock stainless-steel sleeves with EPDM surface elastomers (from UHRIG and PipeSealTec), installed under CCTV control via a setting packer for repairs of longitudinal/transverse cracks, missing wall sections, and leaking joints in circular pipes DN 150–1800, including pipes under groundwater pressure. Documented single-sleeve repair time is under one hour. Certified under RAL-GZ 961 S16.1 'Innenmanschetten'.
• Schachtsanierung (Shaft Rehabilitation) Manhole and shaft rehabilitation service combining machine-applied KS-ASS mineral coating (DN 500–3000, up to 25 m depth, DIBt-approved) and manual repair using ERGELIT mineral mortars from Hermes for concrete and brick shafts. Includes high-pressure cleaning, injection sealing, Berm/rein channel repair, and RAL-certified mechanical and manual coating (S42.1/S42.2 under RAL-GZ 961). Delivered to municipal clients such as Stadt Rheinbach (110 shafts) and Stadt Achern (~200 shafts, Gamshurst district).
• Schlauch-Lining (UV-Cured CIPP Hose Lining with Alphaliner 500G) Trenchless full-length CIPP lining service using UV light-cured glass-fiber-reinforced plastic (GFK) hose liners (Alphaliner 500G from RelineEurope), pre-impregnated with styrene-dissolved synthetic resin, inserted into the host pipe via inversion/pressure, expanded, and cured with a UV LED chain drawn through the pipe. Provides full static load-bearing capacity, leak-tightness, and structural integrity for diameters DN 150 to DN 1600 with lengths up to 300 m per cure cycle. RAL-GZ 961 certified under S27.3 'Schlauch-Lining, Licht-Härtung (UV)'; quality verified independently by Siebert + Knipschild (97.56% sample success rate in 2025 across 82 samples).

Quantifiable outcome

• 42 km of Alphaliner installed in 2021 with samples achieving nearly 100% of maximum achievable values
• +5 more outcomes

Named customers9 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration6 records

Feature6 records

Scale indicators8 records

Recent moves9 records

Expansion highlights6 records

Broad incumbents

• Bilfinger: German-headquartered industrial services provider with infrastructure and water/wastewater capabilities. Competes with KATEC on large municipal framework agreements and acts as a broad incumbent against which KATEC's specialist positioning must differentiate.
• REMONDIS: German waste and water management services group (part of the Rethmann Group) with municipal contract exposure across Germany. Acts as both a potential competitor on trenchless rehab tenders and a strategic counterparty given its scale and geographic coverage.
• Veolia Water Technologies & Outsourcing: Global water and wastewater services group with municipal concessions across Germany. While primarily an operator, its services arm competes for sewer rehabilitation project scopes and represents the largest potential counterparty (or acquirer) for specialist contractors like KATEC.
• Saertex MultiCom: Manufacturer of GRP reinforcement and UV-cured CIPP liner products used throughout the trenchless sewer rehab industry. While primarily a supplier rather than contractor, Saertex shapes technology standards and competes with RelineEurope for material share in the same projects KATEC executes.
• Brandenburger Liner: Manufacturer of UV-cured GRP and needle-felt CIPP liners for sewer rehabilitation, with German roots. Operates upstream of contractors like KATEC but competes at the project-specification level for liner selection on the same public tenders.
• Aegion (Insituform): Global CIPP rehabilitation group (parent of Insituform, the CIPP pioneer) with European operations. Competes with KATEC on large-diameter UV-cured lining projects and represents a broader incumbent peer in trenchless rehabilitation technology and execution.

Others

• Pipetronics: German manufacturer of robotic sewer rehabilitation systems (PI.TRON, eMulti). KATEC's closest technology partner and exclusive supplier of 13+ robotic units. Important ecosystem participant whose product roadmap directly determines KATEC's fleet capability trajectory.
• RelineEurope: Manufacturer of Alphaliner UV-cured GRP hose liners, KATEC's exclusive CIPP material supplier since 2010. Issues annual TQM quality reports that drive KATEC's Siebert-Siegel streak; effectively a strategic supply-chain partner rather than competitor.

Direct peers

• Aarsleff: Danish-headquartered trenchless pipe rehabilitation specialist (Per Aarsleff Holding) with significant German operations offering CIPP lining, robotics, and shaft rehabilitation to municipal and industrial clients. Closest like-for-like competitor to KATEC in methods, customer base, and certification depth.
• Rohrsanierung Jensen: German trenchless pipe and sewer rehabilitation contractor now operating in the same Hannover Finanz firmenverbund as KATEC following the 2025 succession deal. Operates from northern Germany and shares direct methodological overlap (CIPP lining, robotic repair, public-sector tendering) with KATEC.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

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Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Katec Kanaltechnik Muller & Wahl Gmbh