Floating crane lowering a concrete caisson for a seawater intake
IWR INTERNATIONAL GMBH

Specialist Water Advisory

Empowering Your Projects

We advise engineering companies, technology providers, utilities and plant owners on latest water and wastewater technologies — with expert insight into international markets and technical infrastructure projects.

WHOM DO WE ADVISE / OUR CLIENTS
  • Utilities / Plant Owners
  • EPC Contractors 
  • Industrial Clients
  • Owners Engineers
What we do

Three complementary foundations.    One engineering mindset.

A · Market Insight Advisory

Exclusive Market Insights

We deliver expert intelligence on the international water and wastewater market.

  • Spotting market trends, evaluating market studies; identifying opportunities and risks for market entry / export benchmarking
  • Market exploration of new innovative water treatment technologies (Evaluating state-of-the-art technology and market demand by application)
  • Market potential analysis & categorization of business opportunities (evaluating technology-market fit / "low-hanging fruits")
  • B2B matchmaking & local partner sourcing. Development of distribution channels and business development support
B · INTERNATIONAL PROJECTS

Advanced Business Consulting

We consult engineers and technology providers on international projects and business development.

  • Best practice consulting in terms of sales, marketing & service development, project handling, review of project pipelines and drafting target agreements (e.g. balance score cards) for operational and sales management
  • Contract advisory / negotiation support in international project business, aligned with FIDIC and VOB (German market)
  • Bid support / tailoring technical proposals / reviewing sample specifications to specifically target on your clients and project stakeholders (operators, construction companies, planners/engineers, investors)
  • Project development / project access / project guidance
  • Sales consulting and sales training / Smart Sales / proper product positioning
C · Project Technical Consultation

Project Technical Consultation 

We provide independent engineering expertise and advice across the full life cycle of your project.

  • Global engineering expertise in vacuum sewer systems & water intakes/prefiltration across 5 continents (Covering: desalination, drinking water, heat exchangers, thermal power plants, mechanical/advanced wastewater treatment, water reuse, stormwater, and vacuum system optimization)
  • Comprehensive project engineering support to owners engineers, EPC contractors and utilities for both brownfield/revamping and greenfield installations
  • Concept studies, technological support and project development tailored for owners' engineers & contractors
  • Status-quo analyses, plant optimizations, troubleshooting, and root cause/gap analyses
  • Technology & supplier evaluation, idea competitions and comprehensive tender specification reviews
How we work

Engineering Substance. Commercial Clarity.

01

With Expertise

We are expert engineers and business leaders with decades of experience and a large international network. We apply our knowledge, experience and connections to ensure our clients' success.

02

Hands-On

We have seen hundreds of infrastructure projects and contracts in various design- and construction-phases. We drive towards project success with a clear focus on implementation.

03

Independent

We work solely in our clients' interest for the specific business and project as mandated, managing stakeholders and their perspectives with ease born of long experience.

04

With Discretion

We work with utmost discretion for a strictly limited and exclusive number of clients.

Affiliated Company

IWR GmbH — our German engineering foundation

IWR International GmbH is closely tied to IWR GmbH - Engineering Office for Water- and Resource-Management, a German water-engineering office founded by IWR International Partner Frederik Maurer in 2012. IWR provides clients with direct access to hands-on planning capacity, hydraulic design and technical delivery — grounded in decades of practice in the German market.

  • Detailed engineering and hydraulic design
  • Owner's engineer and technical due diligence
  • Reference projects in water intakes
  • Reference projects in vacuum sewer rehabilitation and construction
  • Local delivery capacity in Germany and the DACH region
VISIT IWR-ING.COM →
References

Selected mandates and projects.

Seawater Intake - Design Review
Seawater Intake

Seawater Intake - Design Review

MENA Region

Calwer Straße – Stormwater System - Design and Construction Supervision
STORMWATER

Calwer Straße – Stormwater System - Design and Construction Supervision

Germany

Vacuum Sewerage Hafenstraße - Engineering
VACUUM SEWERAGE

Vacuum Sewerage Hafenstraße - Engineering

Cologne, Germany

Team

The people behind the mandates.

Frederik Maurer
CEO

Frederik Maurer

Expert Engineer with 20+ years of experience in the German and European water sector. Founder of German water-engineering office IWR GmbH (est. 2012). Large Network in public and private sector. Expert insight into the German market, project acquisition and planning, hydraulic design and technical coordination.

Lars Späth
PARTNER / DIPL.-ING.

Lars Späth

Water Industry Expert with ​25+ years international experience in business strategy, M&A, sales and infrastructure project development. Leverage due to entrepreneurial networks, new product solutions, vast operational experience in 90+ countries. 

Engineer reviewing water infrastructure on site
The Company

Small team. Senior people. Real engineering.

IWR International was founded to bring together 2 keys that are rarely combined in the water sector: commercial advisory for international project business and independent engineering know-how in terms of water treatment, desalination, water intakes and vacuum sewerage.

We work exclusively with selected high level experts as required for your project. Every mandate we follow is led by our founders – no pyramids, no complex handover – progressive, efficient and reliable. Our Administration-Team is situated in Cologne. We add high-level domain experts from our network to our project-teams as necessary.

Founded
2026
Headquarters
Cologne
Reach
EU · MENA · Africa · Central Asia
Literature

Selected publications.

Lars Späth, in: Water Solutions — article on seawater intake design and process considerations for SWRO plants. This publication and others are available on request.

Contact

Get in
touch.

We operate with a strong focus on implementation and confidentiality. Please feel free to contact us any time.

Phone
+49 221 7182 3090
Address
An Gross St. Martin 7, Cologne, 50667 Germany