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Theys Assainissement

Sanitation and industrial cleaning services for households, businesses and local authorities near Douai, France

Douai, FranceFounded 1956theys-assainissement.comWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-30

About Theys Assainissement

Theys Assainissement provides sanitation, drainage and industrial cleaning services, including pipe clearing, septic tank maintenance, inspections, tank cleaning and high-pressure cleaning.

Its customers include households, tradespeople, retailers, industrial companies and local authorities. It serves a 50 km area around Douai and provides emergency response 24 hours a day, seven days a week.

Founded in 1956, the family-run company is based in Douai and has a team of 50 employees. Its certifications include QUALITASS and MASE.

Product: Sanitation, drainage and industrial cleaning services, including pipe clearing, septic tank maintenance and industrial facility cleaning.

Public tenders won

4 tenders won since 1 Jan 2024 from 3 public buyers in France, worth €115.1M as awarded. From EU award notices (TED) that name Theys Assainissement by its registry number.

  • 24 Sep 2026 Métropole européenne de Lille · Entretien et contrôle des réseaux d'assainissement et des ouvrages annexes - Accords-cadres de services à bons de commande et à marchés subséquents (14 lots) notice
  • 9 Mar 2026 Métropole européenne de Lille · Curage des bassins de lutte contre l’inondation et la pollution et de leurs ouvrages annexes sur l’ensemble du territoire métropolitain · €400k notice
  • 21 Jul 2025 CA VALENCIENNES METROPOLE · concession par affermage du service de collecte et de traitement des eaux usées et pluviales et des services associés sur le territoire de la CAVM, à l exception des communes du SIDEN-SIAN · €114.3M notice
  • 28 May 2025 SIAVED · Vidange et entretien des réseaux d'assainissement et des installations.9 · €395k notice

Open tenders like these →

Jobs at Theys Assainissement

No open positions listed right now.

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