Semeo, founded in 2011 and part of the SEMOSIA Group, is a leading French provider of mobile water and sludge treatment solutions. Operating across France, Semeo supports public and private clients in managing urban and industrial effluents with agility, precision, and environmental responsibility.
The company offers:
Mobile treatment units for wastewater and sludge
Short- and long-term equipment rental
On-site analysis, extraction, and valorization services
Preventive maintenance and diagnostics
Emergency response capabilities within 24 hours
With a fleet of over 50 mobile units, Semeo provides a flexible alternative to fixed infrastructure, enabling rapid deployment and cost-effective solutions for both planned operations and urgent interventions. The company’s expertise spans the entire lifecycle of effluent management — from initial assessment and regulatory support to final treatment and waste reduction.
Semeo treats over 2 million m³ of effluents annually, achieving up to 80% reduction in waste volume. Its commitment to performance, responsiveness, and sustainability makes it a trusted partner for municipalities, industrial sites, and environmental service providers.
Expertise
PFAS removal in waters & sludge treatment
An emergency on your site, a rejection norm not respected, a new factoy phasing, a PFAS issue in water/sludge... SEMEO is here to help you.