Your partner for sewer and manhole rehabilitation
IN-KO GmbH stands for professional solutions in sewer, manhole and structural rehabilitation. With modern equipment, qualified specialists and a strong team, we deliver durable rehabilitation schemes for public authorities, industry and private clients.
Our service portfolio ranges from sewer inspections and leak testing through to demanding large-profile rehabilitation and specialist work across the wastewater sector. Throughout, we apply the highest quality standards, precise workmanship and technically advanced methods.
What sets us apart is the combination of technical expertise, reliability and a solution-driven approach. We see every project through professionally and flexibly, with the ambition of creating long-lasting, cost-effective solutions.
Qualified. Innovative. Reliable.
Our Services
Sewer & Manhole Rehabilitation
Manual Rehabilitation & Man-Entry Profiles
Further Services
About us
Expertise and quality in sewer and manhole rehabilitation
Founded in 2021 in the Rhine-Main region, we stand for professional sewer, manhole and structural rehabilitation delivered to the highest standards of quality and workmanship. As a modern company, we combine technical know-how with innovative rehabilitation methods and dependable project delivery.
Our focus is on sustainable, cost-effective solutions across the wastewater sector – from the rehabilitation of manholes and sewers through to specialist work on structures and property connections. We work precisely, flexibly and always with the solution in mind.
As a member of the Güteschutz Kanalbau quality-assurance association and a certified training company, we stand for quality, technical expertise and the development of qualified young professionals in the rehabilitation industry.
Behind our company is a committed team of qualified specialists with extensive experience in the rehabilitation industry. By using modern technology and continually developing our skills, we create long-lasting results and support our clients as a dependable partner on every project.
From the initial condition survey and the choice of the right rehabilitation method through to execution, we manage every project from a single source. We agree methods, materials and schedules closely with our clients so that operations and local residents are disrupted as little as possible.
Safety is our highest priority. Our staff are trained regularly – among other things in fall protection, in traffic safety at roadside work sites and in working safely in confined spaces. The corresponding evidence can be found in the Certificates section.
Whether public authority, industrial company or private client: we advise openly, quote transparently and keep our commitments. It is precisely this reliability that underpins the long-standing partnerships we are especially proud of.
Our Commitment

Team Spirit
Successful projects grow out of strong collaboration. That is why we build on trust, mutual support and a real sense of togetherness – within our team and with our clients alike.

Commitment to Quality
We attach great importance to clean workmanship, dependable processes and the highest quality. Through modern methods and continuous development, we create long-lasting results that can be relied on for years to come.

Passion
Dedication, motivation and enthusiasm drive us every day. We identify with our work and deliver even the most demanding projects professionally and with full commitment.

Responsibility
Sustainability, safety and the responsible use of resources are an integral part of our daily work. We think long term – for our clients, our employees and the infrastructure of tomorrow.
Your reliable partner from day one
IN-KO GmbH
- Gustav-Hochstr. 32, 63452 Hanau
- +49 176 66555976
- info@in-ko.de
Gustav-Hochstr. 32, 63452 Hanau
Loading the map transfers data to Google. Further information in our privacy policy (German).
Open in Google MapsReferences
Success is built on trust, quality and close collaboration with our clients. Every project is different, and every one depends on clear communication, reliability and shared goals.
Over recent years we have had the privilege of supporting numerous companies in delivering their projects across a wide range of disciplines. The organisations below place their trust in our work and represent the successful partnerships we are particularly proud of.
Careers
Looking to join a strong team and build your career with a company with a secure future? Then you have come to exactly the right place.
We are looking for committed people to help us deliver professional solutions in sewer, manhole and structural rehabilitation. Look forward to varied projects, modern working practices and a supportive environment in which team spirit and reliability really count.
Ready to grow with us? Then apply now – it only takes a moment using our form. We look forward to meeting you.
Application
For applicants
Become part of our team. Fill in the form – you can then simply send your CV and references by email to info@in-ko.de.
Customer Contact
For companies, clients and private customers
IN-KO GmbH
Gustav-Hochstr. 32
63452 Hanau
Phone
+49 176 66555976Opening hours











































