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Nepsen

Independent engineering consultancy for energy-efficient buildings and industry, serving French public and private clients

Vincennes, FranceFounded 2006nepsen.frWebsite technologies

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Highlights

  • New on EvolcAdded 2026-10-28

About Nepsen

Nepsen is an independent engineering consultancy in France that specialises in energy and ecological transition. Its services cover ecological transition consulting, sustainable building engineering, low-carbon structures, renewable energy, eco-efficient industry, training, digital tools, R&D support and general contracting under energy performance contracts, offered since 2014.

Clients include public administrations, social landlords, co-ownerships, energy companies, industrial firms and organisations in healthcare and training. The published case studies cover audits, carbon footprint assessments, renovation and design missions, and photovoltaic projects.

The business traces its origins to 1979, when engineer Jacques Paziaud founded the firm as cabinet Paziaud. Alexandre Sevenet took it over in 2006, and the current legal entity is an SAS headquartered in Vincennes. In 2021 the group's subsidiaries were merged into one legal entity, and Nepsen adopted the société à mission status under the French PACTE law. The company publishes mission reports and says it has 40 years of experience. It is recruiting.

Product: Engineering and consulting missions in energy and ecological transition, plus training, digital tools, R&D support and energy performance contracting.

Public tenders won

16 tenders won since 1 Jan 2024 from 14 public buyers in France, worth €12.8M as awarded. From EU award notices (TED) that name Nepsen by its registry number.

  • 22 Oct 2026 Centre National d'Enseignement à Distance (Cned) · Mission de maîtrise d’œuvre pour l’installation et la modernisation des systèmes de Gestion Technique du Bâtiment (GTB) au sein des implantations du Cned · €113k notice
  • 27 Aug 2026 COMMUNAUTE D'AGGLOMERATION VALENCIENNES METROPOLE · MISSION D’ASSISTANCE A MAITRISE D’OUVRAGE EN VUE D’ACTUALISER LE PLAN CLIMAT AIR ENERGIE TERRITORIAL DE VALENCIENNES METROPOLE · €125k notice
  • 1 Jun 2026 SEM SEINE OUEST HABITAT ET PATRIMOINE · Accord-cadre relatif à la réalisation de prestations de maîtrise d’œuvre pour la réhabilitation-réutilisation-gros entretien-grosses réparations des bâtiments de logements et/ou d'immeubles non affectés à l'habitation de SOHP · €5.0M notice
  • 7 Apr 2026 Ville de NANTES · Accord-cadre mono et multi-attributaire, à bons de commande et à marchés subséquent, relatif à des missions de maîtrise d'oeuvre et des missions d'assistance technique, économique et financière pour des travaux de gros entretien, de rénovation et de mise aux normes notice
  • 23 Mar 2026 Europolia · Accord-cadre à bons de commande multi-attributaires pour la réalisation d'études de faisabilité et de missions de maitrise d'oeuvre pour des projets de centrales photovoltaïques pour les besoins d'Oppidea et d'Europolia (2 lots). · €750k notice
  • 28 Jan 2026 SDEEG · Assistance à l'élaboration, à l'évaluation à mi-parcours et à la mise à jour d'un Plan Climat Energie Territorial (PCAET) notice

Open tenders like these →

Jobs at Nepsen

No open positions listed right now.

Leadership

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Website technologies

Older, unverified list. Detection dates and supporting evidence are not yet available.

  • Apache
  • Google Ads
  • Google Analytics 4
  • Google Tag Manager
  • LinkedIn Insight
  • WooCommerce
  • WordPress
  • jQuery