Water, Waste, Wastewater Circular Economy Consulting for Sustainable Growth
Specialist process engineering consultancy, training, technical and content writing support for practical and sustainable solutions.
About WATEN Companies
WATEN Companies is a specialist group of consulting companies, focused on sustainable water and wastewater management, circular economy solutions, and technical knowledge services. Built on more than two decades of industry experience, the group brings together deep process engineering expertise with technical content development, training, and practical knowledge products for the water sector
The group consists of WATEN Process Engineering (Pty) and WATEN – Water and Energy Technical Writing Services (Pty). Together, they support clients through engineering solutions, technical communication, industry-focused educational resources, and training that help improve wastewater management performance and unlock circular economy opportunities.
Founded by Karabo Nthethe, PrEng, WATEN is led by a professional engineer with over twenty years of experience in wastewater treatment infrastructure planning, process engineering, project leadership, and innovation. His background includes senior roles in multidisciplinary teams and major wastewater infrastructure planning and upgrading programmes
At WATEN, we believe wastewater should be managed not only for compliance, but as a resource stream with potential for reuse, recovery, sustainability, and long-term value.
Our Services & Solutions
1
Process Engineering Consulting & Advisory Services
Process engineering support for water, wastewater, reuse and circular economy opportunities across planning, design, optimisation and technical problem-solving.
2
Technical Writing, Documentation & Content Marketing Writing Services
Technical and content writing support that helps organisations communicate complex water, wastewater and sustainability topics with clarity, credibility and impact.
3
Workplace Training, Workshops & Educational Digital Products
Workplace training, on-demand resources, and knowledge products that build understanding and capacity for sustainability and circular economy opportunities.
The WATEN Consulting Difference
+20 Years Industry Expertise
Specialist insight shaped by long-term sector experience.
Sector-Focused Support
Water, waste, and wastewater expertise with practical relevance.
Engineer Led Credibility
Technical support grounded in real engineering understanding.
Circular Economy Perspective
Sustainability-focused thinking linked to practical circular economy opportunities
Featured Resources
Explore practical guides, tools, and visual resources that support better decision-making across water, wastewater, waste management, sustainability, and circular economy opportunities.
Whitepapers & Guides
Download practical whitepapers and guidance materials covering sustainable water and wastewater management, circular economy thinking, and related technical topics.
Worksheets & Tools
Access practical tools and structured resources to support planning, analysis, implementation, and knowledge-sharing across technical and sustainability-focused projects.
Infographics & Visual Resources
Use concise visual resources to simplify complex technical topics and support communication, learning, and stakeholder engagement.
Latest Insights
Read practical insights, technical perspectives, and industry commentary on water, wastewater, waste management, sustainability, and circular economy opportunities.
