Eni headquarters details
- Street address
- 1 Piazzale Enrico Mattei
- City
- Rome
- State / region
- Lazio
- ZIP / postal code
- 00144
- Country
- Italy
- Phone
- +39 390 659 821
- Founded
- 1953
- Website
- eni.com
- Stock
- NYSE: E
- linkedin.com/company/eni
Location map
Open in Google MapsAll Eni office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Rome HQ | Lazio | Italy | Headquarters |
Showing the headquarters of 29 recorded locations. See every location in GraphIQ →
About Eni
Eni (NYSE: E) is headquartered in Rome, Lazio, Italy. Founded in 1953, the company has 29 recorded locations across 4+ countries and employs approximately 32,492 people worldwide.
Where is Eni's main office?
Eni's main headquarters office is located at 1 Piazzale Enrico Mattei, Rome, Lazio 00144, Italy. This is the company's primary corporate address.
Eni regional offices
Beyond its headquarters in Rome, Eni has recorded locations in Italy, France, United Kingdom and United States.
Eni contact information
The main switchboard for Eni headquarters can be reached at +39 390 659 821. Official website: eni.com.
What does Eni do?
Eni SpA explores for and produces hydrocarbons in Italy, Africa, the North Sea, the Gulf of Mexico, Kazakhstan, and Australia. The Company both produces natural gas and imports it for sale in Italy and elsewhere in Europe. Eni transports natural gas in pipelines. The Company generates and trades electricity, refines oil, and operates gasoline service stations.
Eni competitors & similar companies
Frequently asked questions
Where is Eni headquarters?
Eni's headquarters is located at 1 Piazzale Enrico Mattei, Rome, Lazio 00144, Italy.
How many offices does Eni have?
GraphIQ records 29 locations for Eni across 4+ countries, as of October 2026.
What is Eni's corporate address?
The corporate headquarters address is 1 Piazzale Enrico Mattei, Rome, Lazio 00144, Italy.
When was Eni founded?
Eni was founded in 1953 and employs approximately 32,492 people.
What is Eni's phone number?
The main phone number for Eni headquarters is +39 390 659 821.
How many employees does Eni have?
Eni has approximately 32,492 employees (GraphIQ estimate, 2026).
Is Eni a public company?
Yes. Eni is publicly traded on NYSE under the ticker E.