About us

Get to know the Kanalservice Group and its members, discover our goals and strategies – and learn more about the different business areas.

A.S.T. Klaus Germann Umweltschutz GmbH

Rheinstraße 16 – 66955 Pirmasens
TELEFON: +49 63 311 49 75 0

The company A.S.T. Klaus Germann Umweltschutz GmbH is a leading service provider in the field of underground infrastructure maintenance in the southwest of Pfalz and employs roughly 40 excellently trained employees. Located in Pirmasens, the business is specialised in sewer cleaning and inspection as well as wastewater and oil separation. Every day, our employees take care of our customer`s needs with the latest technology and an extensive vehicle park.

erles Umweltservice GmbH

Dieselstraße 5 – D-74909 Meckesheim
TELEFON: +49 06 226 42 966 0

With currently more than 60 excellently trained specialists, Erles Umweltservice GmbH, headquartered in Meckesheim, has started its operations in 1990 and is focused on sewer rehabilitation alongside pipe cleaning and inspection for industrial, public and private clients.

HS Kanalsanierung GmbH

Kreuzdelle 30 – 63872 Heimbuchenthal
TELEFON: +49 60 928 22 89 0

HS Kanalsanierung was founded in 2002. Today, the rising company employs over 30 qualified employees at its site in Heimbuchenthal near Aschaffenburg. The company enjoys an excellent reputation and is considered a proven specialist for renovations in accessible profiles and in manhole rehabilitation. The company HS Kanalsanierung GmbH is a certified company with RKI master qualification. Our operational area covers all of Germany and its neighbouring countries.


Helmholtzstrasse 1c – D-76297 Stutensee
TELEFON: +49 07 244 20 518 0

Jeschke Umwelttechnik GmbH was founded in 2003 and was one of the first companies to perform sewer rehabilitation with innovative inliner technology. Meanwhile, the company has more than 30 employees, owns a fully equipped fleet of vehicles and operated from its headquarter Stutensee, north of Karlsruhe.

Karo Kanalreinigung AG

Eggbühlstrasse 36 – CH-8050 Zürich
TELEFON: +41 44 371 16 10

KARO Kanalreinigung AG was founded in 1997and has developed into a reliable and efficient partner in the field of sewer cleaning in Zurich. Thanks to our many years of experience and reliance on expert staff as well as a modern and efficient fleet of vehicles, we are able to fully meet our customers’ high performance and quality demands.

Mökah AG

Oberwilerstrasse 14 - CH-8444 Henggart
TELEFON: +41 52 305 11 11

As a pioneer in demand-orientated underground infrastructure and street value maintenance, MÖKAH AG, with about 200 technical specialists  offers its customers tailor-made, innovative and economical solutions from a single source in the core competencies of sewer cleaning, sewer inspection, sewer rehabilitation and surface cleaning. In addition to its main office in Henggart (canton of Zurich), the company operates sites in Oberglatt, Schaffhausen and St. Gallen.

Zeccinel Kanalreinigung

Hauptstrasse 137 – CH-8274 Tägerwilen
TELEFON: +41 71 666 70 50

Zecchinel Transport AG has been concentrating on underground infrastructure maintenance for many years. With its approximately 30 permanent and part-time employees the company provides its services to customers around their headquarters in Tägerwilen, canton Thurgau.


The history of KSG dates back to 1958. Use our timeline to look at more than 50 years of company history.




Foundation of Mökah Kanalreinigung Henggart



Branches were opened in: Oberglatt, Schaffhausen, St. Gallen



Ufenau Capital Partners invested in Mökah AG and Kanalservice Holding AG was founded. Acquisition of: Jeschke Umwelttechnik GmbH, Zecchinel Transport AG



Acquisition of: Karo Kanalreinigung AG, Erles Umweltservice GmbH



Acquisition of: A.S.T. Umweltschutz GmbH, HS Kanalsanierung GmbH



We sustainably maintain and modernise the underground infrastructure and thus actively protect the environment.


We are a leading corporate group for sewer services in Germany, Austria, and Switzerland.

Full service provider

Our mission is to optimise the underground infrastructure of our clients in a resource-efficient manner as a highly specialised full service provider.

High quality standards

With our motivated experts and use of modern technologies we always provide the best quality and have a high service orientation.

Continuous investments

We are a proud driving force in our sector and continuously invest in our staff, technological innovations and growth.

Goals and Strategies

• Our goals

Our goal is to build up the leading group of companies in the field of underground infrastructure maintenance in the German-speaking countries – to ensure a high level of competitiveness.

Customer satisfaction

Technically skilled employees and technologically advanced equipment guarantee a high service level. Building on this, we can ensure optimal customer satisfaction.


Under the umbrella of the Kanalservice Group we promote the positive development of all associated companies. Thanks to the Group’s strength we can generate sustainable economic success together.

• Our strategies

The Kanalservice Group brings together successful companies in the fields of sewer cleaning, sewer inspection and sewer rehabilitation.


The targeted acquisition of further companies complements the organic growth, which in turn has a positive effect on KSG’s objectives.


We benefit from synergies and combine individual strengths to optimise profitability and benefits for the customers.

Business Fields

Sewer cleaning

Our group of companies offers a comprehensive service package in the field of sewer cleaning:

  • Hydrodynamic cleaning of all drainage systems
  • Removal of sediments with high-pressure milling cutters and mechanical drilling equipment
  • Professional and environmentally friendly disposal in our own officially approved pre-treatment facilities
  • Suction work
  • and much more
Sewer rehabilitation

Early sewer rehabilitation allows us to prevent environment-critical damage and even an expensive open-cut-method repairs or complete replacement:

  • we use innovative inliner rehabilitation systems
  • quick, safe and without open-cut construction of roads for our industrial and public customers
  • rehabilitation of bathroom, lavatory, WC, kitchen and roof water drains for private customers
  • repair of in-house downpipes and ground pipes
Wastewater pre-treatment

Pre-treatment facilities offer the ideal solution for any kind of wastewater pollution:

  • oil-containing wet sludge from oil separators
  • non-oil containing wastewater from sewer and surface cleaning
  • heavily polluted wastewater, e.g. from cleaning new buildings
  • shaft cleaning with mobile treatment system
Sewer inspection

For sewer inspection, we use state-of-the-art sewer cleaning and remote TV vehicles, satellite image recordings and real 3D images with spherical image scanners. Our offer comprises:

  • Professional TV condition assessments of sewer systems and pipes
  • Leak tests on drainage systems, for example in new buildings or following extensive renovations
  • Customer-specific administration of all relevant data and production of planning documents
  • Preliminary clarifications for rehabilitation projects and conversions
  • Localisation of the course and inspection of fractures in the sewage system
Surface cleaning

Our professional surface cleaning ensures a well-maintained appearance, reduces the risk of accidents and makes an important contribution to maintaining the value of cost-intensive infrastructures. The KSG portfolio comprises:

  • regular cleaning of streets, pathways and squares, multi-storey car parks, underground garages and railroad station platforms
  • a wide range of sweeping machines – from small to large
  • high-pressure cleaning devices for special cleaning, also with mobile processing systems
  • environmentally friendly weed removal using hot steam
  • gentle removal of chewing gum, energy drink stains and graffiti




Petra Reinholz has been CEO of Kanalservice Group since March 2020. She looks back on more than 20 years of management experience in international companies. Originally, Reinholz came from the personnel service industry where she gained extensive experience and achieved success in the areas of sales, change management, M&A and restructuring. Her personal focus lies on business expansion – always guided by the premise of a trusting partnership within the Group.



Christoph Wittwer started in August 2020 as Group CFO of Kanalservice Group. As a finance expert, he has many years of experience in operational and strategic financial management. His career has seen him move from auditing to a renowned, listed construction company.

In the context of the buy & build strategy, he wants to apply effective financial processes to reveal performance potential surrounding the value chain and create sustainable growth.


Business Development

Pascal Kochem has been working as the M&A Manager at Kanalservice Group since August 2020. Before that, he had already worked for the Group as interim CFO since September 2019. Mr. Kochem’s background primarily lies in implementing buy-and-build strategies. Most recently, he was responsible for the business development and M&A activities at a medium-sized hidden champion in Germany.

Within the group, Mr. Kochem is responsible for accelerating growth through acquisitions and creating synergies.



What a development: While the group had 150 employees in 2016, it has grown by another 280 to date. We are happy about every individual addition to the Kanalservice Group.


Our fleet has more than doubled in the past four years. With each company, more vehicles were added. These make our broad range of services possible.


Starting at just one site in Switzerland, we now operate at ten locations in Germany and Switzerland. A lot has happened in our more than 60 years of corporate history. More sites, more countries – the course is set for growth.

> 0 km
rehabilitated pipes per year

During sewer inspections, we discover problems and then remove these using the latest technology. We carry out repairs quickly, safely and with a lasting effect – we can rehabilitate more than 100 kilometres of pipes per year.

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cleaned pipes per year

Quick and effective sewer cleaning, professional wastewater pre-treatment and treatment. And we do so for more than 10,000 kilometers of sewerage per year. We remove any contamination with professional and technical know-how.