CESI headquarters details
- Street address
- 54 via Rubattino
- City
- Milan
- State / region
- Lombardia
- ZIP / postal code
- 20134
- Country
- Italy
- Phone
- +39 390 221 251
- Founded
- 1956
- Website
- cesi.it
- linkedin.com/company/cesi
Location map
Open in Google MapsAll CESI office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Milan HQ | Lombardia | Italy | Headquarters |
Showing the headquarters of 232 recorded locations. See every location in GraphIQ →
About CESI
CESI is headquartered in Milan, Lombardia, Italy. Founded in 1956, the company has 232 recorded locations across 3+ countries and employs approximately 1,000 people worldwide.
Where is CESI's main office?
CESI's main headquarters office is located at 54 via Rubattino, Milan, Lombardia 20134, Italy. This is the company's primary corporate address.
CESI regional offices
Beyond its headquarters in Milan, CESI has recorded locations in Italy, France and United States.
CESI contact information
The main switchboard for CESI headquarters can be reached at +39 390 221 251. Official website: cesi.it.
What does CESI do?
CESI is a worldwide leader in testing and certification services, energy consultancy, engineering and technology consulting for the electricity sector.
Frequently asked questions
Where is CESI headquarters?
CESI's headquarters is located at 54 via Rubattino, Milan, Lombardia 20134, Italy.
How many offices does CESI have?
GraphIQ records 232 locations for CESI across 3+ countries, as of October 2026.
What is CESI's corporate address?
The corporate headquarters address is 54 via Rubattino, Milan, Lombardia 20134, Italy.
When was CESI founded?
CESI was founded in 1956 and employs approximately 1,000 people.
What is CESI's phone number?
The main phone number for CESI headquarters is +39 390 221 251.
How many employees does CESI have?
CESI has approximately 1,000 employees (GraphIQ estimate, 2026).