Equans is owned by the French industrial group Bouygues, which completed its acquisition from Engie in October 2022 for approximately €7.1 billion.
It now operates as a standalone business segment within the Bouygues group, specializing in multi-technical services, energy management, and facilities management.
Key details regarding Equans' ownership include:
Parent Company: Bouygues.
Acquisition Date: October 4, 2022.
Scale: As a Bouygues subsidiary, Equans operates in 20 countries with approximately 83,000 employees as of 2025.
Integration: Equans was combined with Bouygues Energies & Services to form a major leader in the energy and services sector.
Bouygues is a diversified services group known for its activities in construction, media (TF1), and telecommunications.
Here’s a clear, factual overview of Equans—including its leadership, offices, and value.
🏢 What Equans is
Equans is a global energy, industrial, and digital services company, originally created by ENGIE and later acquired by Bouygues Group.
It focuses on helping cities, industries, and buildings with:
- Energy transition (efficiency, decarbonisation)
- Digital transformation (ICT, smart systems)
- Industrial performance
Typical services include HVAC, electrical systems, facility management, robotics, and data infrastructure.
🌍 Offices and global presence
- Headquarters: Courbevoie (Paris area), France
- Operations in 17–20+ countries across Europe, Americas, and Asia-Pacific
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Strong presence in:
- France
- UK & Ireland
- Belgium & Netherlands
- Switzerland
- USA & Latin America
- Australia & New Zealand
Equans operates through local subsidiaries and brands, so instead of one central office network, it has many regional offices embedded in each country.
👨💼 CEO (Chief Executive Officer)
-
Jérôme Stubler
- CEO since 2021
- Former CEO of VINCI Construction
- Background in major infrastructure and engineering projects
💰 CFO (Chief Financial Officer)
-
Pierre Hardouin
- CFO since 2021
- Also Senior EVP in charge of Finance, Legal & IT
- Previously held senior finance roles at ENGIE
(Note: Some sources mention regional CFOs, but Pierre Hardouin is the group-level CFO.)
📊 Company value / size
“Value” can mean revenue, scale, or market position. Here are the key figures:
-
Revenue:
- ~€17+ billion annually (recent combined figures)
-
Employees:
- ~74,000–95,000 globally
-
Position:
- Considered a global leader in multi-technical services
Some estimates (depending on accounting scope) place revenue even higher in certain datasets, but the widely cited figure is ~€17B turnover.
🧭 What makes Equans valuable
Its value comes from:
- Strong positioning in energy transition (huge global demand)
- Recurring service contracts (facility management, maintenance)
- Presence across critical infrastructure sectors
- Backing from Bouygues Group (financial strength + construction integration)
🧾 Simple summary
- Industry: Energy & technical services
- CEO: Jérôme Stubler
- CFO: Pierre Hardouin
- HQ: France (Paris region)
- Global reach: 17–20+ countries
- Revenue: ~€17B+
- Employees: ~75k–95k
Pierre Hardouin
Pierre Hardouin is a French business executive and financial leader who serves as Deputy Chief Executive Officer (Directeur général délégué) and Chief Financial Officer (CFO) of Equans, a global provider of energy, construction, and facilities management services. He has held senior roles within the ENGIE Group and its subsidiaries, reflecting extensive experience in the energy and industrial services sectors.
Key facts
Current role: Deputy CEO and CFO, Equans (since 2023)
Previous roles: CEO, ENGIE Solutions and ENGIE Axima; Managing Director, Otis France
Education: Graduate of Supélec (1989) and HEC Paris (1991)
Date of birth: July 1966
Industry focus: Energy, engineering, and building services
Career overview
Pierre Hardouin began his career in 1992 at Otis, the elevator manufacturer, where he spent over two decades rising to Managing Director of Otis France. He was later appointed Vice President of Services and Transformation for Europe, the Middle East, and Africa. In 2014, he was also elected president of the French Elevator Federation, representing the national elevator and escalator industry .
In 2018, Hardouin joined ENGIE Group as CEO of ENGIE Axima and later of ENGIE Solutions, overseeing industrial and energy service operations during a period of digital transformation and expansion .
Role at Equans
Following the spin-off of ENGIE’s services arm into Equans in 2021 and its subsequent acquisition by Bouygues Group, Hardouin assumed executive leadership of Equans France and now serves as Deputy CEO and CFO of the consolidated company. He manages the firm’s financial strategy and supports integration across its energy efficiency, infrastructure, and facilities management businesses .
Leadership and influence
Known for his operational expertise and transformation leadership, Hardouin has contributed to shaping France’s industrial services landscape. His stewardship at Equans places him at the intersection of energy transition, sustainable construction, and large-scale infrastructure modernization.
Jérôme Stubler
Jérôme Stubler is a French engineer and business executive who serves as Chief Executive Officer of Equans, a global leader in energy and services solutions. Known for his expertise in large-scale infrastructure and industrial transformation, he has played a central role in shaping Equans’ integration into the Bouygues Group and guiding its international expansion.
Key facts
Current role: CEO, Equans (since 2021)
Previous roles: CEO, Vinci Construction; Chairman, Soletanche Freyssinet
Education: École Polytechnique (X86); École Nationale des Arts et Métiers
Industry: Engineering, construction, and energy services
Headquarters: Paris, France
Career background
Stubler began his career in 1989 at Freyssinet, where he led emblematic civil-engineering projects such as the Normandy Bridge, Iroise Bridge, and Vasco da Gama Bridge. He rose through management positions to become CEO of Freyssinet and its nuclear subsidiary Nuvia. In 2012, he was appointed Chairman of Soletanche Freyssinet and later, in 2014, CEO of Vinci Construction, overseeing one of the world’s largest construction groups.
Leadership at Equans
He joined Engie in 2021 to launch Equans by consolidating around 800 service entities. Following the 2022 acquisition of Equans by Bouygues, Stubler has focused on unifying a workforce of about 90,000 employees and advancing the company’s mission in energy transition, digitalization, and industrial performance. He emphasizes decentralized management and local empowerment across the group’s 1,200 operational centers worldwide.
Vision and influence
A graduate of elite French engineering schools, Stubler combines technical mastery with a collaborative leadership style. His work positions Equans as a key global player addressing climate, energy, and infrastructure challenges through integrated technical services and innovation-driven management.

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