Work Here?
Overview
ALTEREA is an energy engineering firm that helps clients manage the energy, environmental, and digital transition of buildings and territories. It offers consulting, studies, project management assistance (AMO), and project management (MOE) to improve energy and environmental performance, covering audits, design, supervision of work, and project acceptance for renovations, asset optimization, and new construction. The company operates from Nantes with eight agencies across France and more than 400 employees, and is part of the ALTYN group, which provides end-to-end support through ten specialized companies. Since 2022, ALTEREA has been a mission-led company focused on contributing to the energy, environmental, and digital transition of buildings, cities, and territories.
About ALTEREA
Industries
Consulting
Government & Public Sector
Energy
Real Estate
Company Size
11-50
Company Stage
Growth Equity (Venture Capital)
Total Funding
$5.5M
Headquarters
Nantes, France
Founded
1999
Get referred to ALTEREA
See people who can refer or advise you
Simplify's Take
What believers are saying
- ALTEREA has 400-plus employees across eight French agencies, strengthening local execution.
- Since July 2022, mission-company status sharpens credibility with climate-focused clients.
- Its 2026 push into resilience and climate adaptation opens higher-value retrofit work.
What critics are saying
- The 2026 reorganization can disrupt delivery and accountability until end-2026.
- Five regional directions and sixteen autonomous agencies create margin leakage and duplicated overhead.
- Public-housing and public-sector demand exposes revenues to procurement delays and budget cuts.
What makes ALTEREA unique
- ALTEREA combines consulting, AMO, MOE, and supervision across building lifecycles.
- January 26, 2026 reorganization decentralizes sales and production into five regional directions.
- ALTYN gives ALTEREA access to ten specialized companies across the decarbonization value chain.
Help us improve and share your feedback! Did you find this helpful?
Funding
Total Funding
$5.5M
Above
Industry Average
Funded Over
1 Rounds
Benefits
Meal Benefits
Remote Work Options
Paid Holidays
Profit Sharing
Growth & Insights
6 month growth
↑ 3%1 year growth
↑ 0%2 year growth
↑ 3%ALTEREA is Hiring for 79 Jobs on Simplify!
Find jobs on Simplify and start your career today
About ALTEREA
Industries
Consulting
Government & Public Sector
Energy
Real Estate
Company Size
11-50
Company Stage
Growth Equity (Venture Capital)
Total Funding
$5.5M
Headquarters
Nantes, France
Founded
1999
ALTEREA is Hiring for 79 Jobs on Simplify!
Find jobs on Simplify and start your career today