Article by ROTSA (National Association of Romanian Tech Startups).

As the region shifts toward a truly circular economy, the spotlight falls on the entrepreneurs and small-to-medium enterprises (SMEs) that are transforming challenges like water scarcity and pollution into opportunities for innovation. This article provides an overview of the burgeoning Romanian SME ecosystem, highlighting key players who are fundamentally reimagining water management and resource recovery.


The Context: Romania’s GreenTech Ecosystem and the Water Challenge

Romania’s entrepreneurial landscape is dynamic, with a strong concentration of activity in major urban centers like Bucharest and Cluj-Napoca. The GreenTech sector, encompassing solutions for sustainability, cleantech, and the circular economy, is gaining momentum. However, like many EU member states, Romania faces significant infrastructural hurdles, particularly in the water sector.

According to recent analyses, only a fraction of Romania’s urban wastewater complies with stringent European Union treatment standards, highlighting an urgent need for technological upgrades and smarter infrastructure. Furthermore, industrial and commercial activities contribute over 50% of the total wastewater volume, often containing complex pollutants that require advanced solutions.The opportunity for local innovation is immense. The transition to a circular economy is no longer optional but is driven by EU regulations and the increasing recognition of the 5Rs model for water management: Reduce, Reuse, Recycle, Restore, and Recover. Romanian SMEs and start-ups are increasingly stepping up to deliver the digital and engineering innovations needed to close the water loop, transforming wastewater treatment plants from mere disposal sites into integrated resource recovery facilities.

Spotlighting Romanian Water Innovation: 3 Key Players

The following SMEs showcase the diverse ways Romanian innovation is addressing the circular water economy, from marine pollution to industrial wastewater treatment.

NAIAD Water Solutions: The Industrial Backbone of Water Circularity

Focus: Comprehensive Water and Wastewater Treatment, Resource Recovery (Water, Energy, Nutrients).

NAIAD Water Solutions (formerly WABAG Water Services Romania, acquired and rebranded in mid-2024) represents the essential role of specialized Romanian experts in implementing large-scale circular water projects for both municipal and industrial clients.

The Innovation: As part of a major international group but deeply rooted in the Romanian market, WABAG designs and operates advanced facilities for drinking water, industrial process water, and municipal wastewater treatment. Their focus aligns squarely with the circular economy by emphasizing resource recovery. This includes:

  • Wastewater Reuse: Treating effluent to a quality suitable for industrial processes or irrigation, reducing the strain on freshwater sources.
  • Energy Recovery: Implementing anaerobic digestion to convert sewage sludge into biogas, which is then used to power the treatment plant, effectively turning the plant into an energy-neutral (or even energy-positive) operation.
  • Nutrient Recovery: Processing bio-sludge into nutrient-rich fertilizers (manure), thereby closing the phosphorus and nitrogen loops and reducing the need for chemical alternatives.

WABAG’s projects demonstrate that full-scale circularity in water management is technologically achievable in Romania today.

EPTEC EPURARE (WE. RE. WATER): Transforming Waste into a Resource

Focus: Advanced Wastewater Treatment, Water Reclamation, Plant Transformation.

EPTEC EPURARE is an innovative SME whose mission explicitly centers on closing the water loop and minimizing the human impact on the natural water cycle.The Innovation: The company focuses on implementing state-of-the-art technologies that go beyond simple compliance treatment. They specialize in innovative strategies aimed at transforming traditional wastewater treatment plants (WWTPs) into true Recovery Plants. Their solutions incorporate modern approaches to water management that optimize the anthropological impact on the water circuit, emphasizing the reuse of water and the recovery of valuable resources. Their core message, WE. RE. WATER. (We are Water/We Reuse Water), encapsulates the circular mindset necessary for the future of the sector.

BEIA Consult: Data-driven innovation

Focus: Telecommunications, IoT/telemetry and Cloud systems

BEIA Consult International is a Romanian SME with over three decades of experience in IoT, telemetry and digital communication systems. BEIA brings advanced remote monitoring and data integration solutions that support smarter water and environmental management. Their IoT platforms combine sensors, communications and cloud-based analytics to enable real-time monitoring of water levels, flows, pressure and environmental parameters—helping utilities and decision-makers improve operational efficiency, detect issues early and support evidence-based planning across water systems.

Conclusion and Way Forward

The Romanian landscape is fertile ground for circular water innovation. The SMEs profiled here—NAIAD and EPTEC EPURARE, with their mastery of resource recovery and treatment technologies, and BEIA Consult, bringing advanced IoT and telemetry solutions for real-time water and environmental monitoring—are driving meaningful change across the sector.

However, moving from local ingenuity to regional leadership requires concerted effort. For many innovators, the primary challenges remain access to early-stage capital, integration of digital and operational solutions, and scaling proven approaches beyond the pilot or prototype phase.

This is precisely where initiatives like the WaterWise Hub play a critical role. By enabling cross-sector collaboration, improving market access, providing training and accelerating innovative solutions, the Hub helps Romanian innovators scale their solutions across Southeast Europe. By supporting these pioneers, we ensure that innovation translates into measurable impact—strengthening Romania’s position as a key contributor to Europe’s sustainable and circular water future.