Transocean Ltd.
Transocean Ltd. is a Swiss offshore drilling company. It is the world's largest offshore drilling contractor based on revenue. The company has offices in 20 countries, including Canada, the United States, Norway, United Kingdom, India, Brazil, Singapore, Indonesia, and Malaysia.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Business sectors
- list of oilfield service companies [1]
- Company / filing name
- Transocean Ltd. [2]
- Headquarters location
- Steinhausen [1]
- Founded
- 1973 [1]
- Legal form
- Aktiengesellschaft [1]
- Official website
- www.deepwater.com ↗ [1]
- ISIN (reported securities)
- CH0048265513 [1]
- CIK
- 1451505 [2]
- Country in background record
- Switzerland [1]
- Symbols / exchanges
- RIG (NYSE) [2]
Company positioning and business
Transocean Ltd. is a Swiss offshore drilling company. It is the world's largest offshore drilling contractor based on revenue. The company has offices in 20 countries, including Canada, the United States, Norway, United Kingdom, India, Brazil, Singapore, Indonesia, and Malaysia. [3]
The primary business of Transocean is contracts with other large companies in the oil and gas industry. In 2019, Royal Dutch Shell, Equinor and Chevron accounted for 26%, 21% and 17% of the company's revenues respectively. [3]
In 2010, Transocean was found partially responsible (30% of total liability) for the Deepwater Horizon oil spill resulting from the explosion of its offshore drilling rig (which was named Deepwater Horizon) in the Gulf of Mexico. [3]
Background text: Wikipedia contributors, Transocean. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Financial year, securities and disclosures
Listed securities: RIG (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Founding / inception date recorded in Wikidata. [1]
Financial results and regulatory disclosures
No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]
Related entities and concepts
Frequently asked questions
When was Transocean Ltd. founded?
Founded: 1973. The linked source provides the background record. [1]
Where is the headquarters of Transocean Ltd.?
Headquarters location: Steinhausen. The linked source provides the background record. [1]
Which business sectors are recorded for Transocean Ltd.?
Business sectors: list of oilfield service companies. The linked source provides the background record. [1]
Sources and review dates
- Wikidata — company background record (CC0) ↗
- Company identity and profile data ↗
- Wikipedia contributors — Transocean (CC BY-SA 4.0) ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.