Seaspan Corporation
Seaspan is a global maritime asset owner and operator that charters vessels, especially containerships, to major shipping companies and provides ship-management services.
Last updated September 25, 2026
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Overview
Seaspan Corporation is a maritime asset owner and operator whose business combines long-term vessel chartering with ship-management services. The company says it provides major shipping companies with long-term leases on large, modern vessels and supports those charters with onboard crews and shore-based technical and operational expertise. It describes its approach as an integrated, full-life-cycle model, spanning vessel development, operations, efficiency improvements, retrofits and fuel-transition support. The company originated as Seaspan Container Lines, established in 1999 as a subsidiary of Seaspan Marine Corporation. The supplied German-language company account says that the business ordered 23 containerships and became Seaspan Corporation after a 2005 public offering. That account also describes Seaspan as a non-operating owner: it arranges vessels for long-term charters to major liner companies rather than operating its own liner services. The company’s current website describes it as the world’s largest independent owner and operator of containerships and, on its ship-management page, reports an owned and operated chartered containership fleet of 227 vessels with approximately 2.4 million TEU capacity on a fully delivered basis. Seaspan’s current website presents an international operating network, listing shore-based teams in Copenhagen, Hamburg, Hong Kong, Marseille, Mumbai, Singapore, Shanghai, Taiwan and Vancouver. The German-language company account identifies Vancouver as its operational headquarters and Majuro as its legal seat; these descriptions refer to different kinds of corporate location. The company’s service and fleet materials emphasize safety, reliability, operating economy, efficiency, cargo loadability and decarbonization. It identifies LNG, methanol and ammonia among the alternative fuels relevant to its fleet transition. The supplied German-language account describes Seaspan as a wholly owned subsidiary of Atlas Corporation and says Atlas was acquired in 2023 by Poseidon Acquisition Corporation, after which the business continued as Atlas Corporation. The evidence does not establish a current public listing or provide current named executives. Seaspan’s website presents the company as active and describes growth beyond containerships: its About Us page lists 2026 plans and deliveries involving gas transportation, specialized dry bulk vessels and car carriers. The same homepage reports company announcements dated 2026, including a credit-rating upgrade and a move into China’s Panda Bond market.
History
Seaspan’s history, as represented in the supplied company material, begins with Seaspan Container Lines. The supplied German-language company account says it was founded in 1999 as a subsidiary of Seaspan Marine Corporation and ordered 23 containerships. The account says that following the company’s 2005 public offering, it became Seaspan Corporation. These early events established the central business pattern described in that source: own or arrange vessels and charter them to major liner companies on long-term contracts, rather than operate liner services directly. Over time, the company developed a model that joins vessel ownership and chartering with ship management. Its current website describes more than 25 years of fleet life-cycle management expertise and a service offering that includes technical development, tailored vessel solutions, efficiency upgrades, retrofits and fuel-transition support. The company says it works with customers and suppliers on innovation and efficiency, and identifies safety, reliability and economical operations as core service commitments. Its ship-management page also describes the SAVER vessel series and ongoing modifications as part of efforts to improve efficiency, loadability, performance and safety. The company’s operating footprint is international. Its About Us page lists shore-based teams in Copenhagen, Hamburg, Hong Kong, Marseille, Mumbai, Singapore, Shanghai, Taiwan and Vancouver. The supplied German-language account distinguishes a legal seat in Majuro from an operational headquarters in Vancouver and also mentions offices in Hong Kong and Mumbai. Seaspan’s website describes the company as a global operation and as the world’s largest independent owner and operator of containerships. Its ship-management page gives a fleet figure of 227 vessels and approximately 2.4 million TEU capacity on a fully delivered basis; this is a company-reported figure, not an independently verified historical total. The ownership history in the supplied German-language account links Seaspan to Atlas Corporation, describing Seaspan as Atlas’s wholly owned subsidiary. It says Atlas was acquired on 28 March 2023 by Poseidon Acquisition Corporation, backed by entities associated with Fairfax Financial, the Washington family’s companies, Atlas chairman David Sokol and Ocean Network Express, which the excerpt identifies as holding 28.7%. It further says the business continued as Atlas Corporation after the acquisition. The available material does not identify a current Seaspan chief executive or establish a current listing status. The company’s materials describe a broader fleet and business scope beyond its established containership activity. Its About Us page lists 2026 developments: a five-vessel, 100,000-cubic-metre VLEC newbuild program to enter gas transportation; four 65,400-DWT Open Hatch Gantry Crane newbuilds for specialized dry bulk logistics; and deliveries of six 10,800-CEU LNG dual-fuel PCTCs to expand into car carriers. The homepage also lists 2026 announcements on a credit-rating upgrade, Panda Bond market access and a vessel upgrade program with Maersk. Together, these company-reported developments indicate an expansion of its maritime asset platform while its public materials continue to emphasize fleet quality, service reliability and decarbonization.
Products and positioning
A global independent maritime asset owner and operator focused on long-term vessel charters and integrated ship management, with stated priorities including safety, reliability, efficiency and decarbonization.
Containership charters
Long-term leases of large containerships to major shipping companies.
Ship-management services
Full-life-cycle ship-management services, including technical development, tailored solutions, efficiency upgrades, retrofits and fuel-transition support.
SAVER vessel series
A vessel series cited by Seaspan as part of its fleet-efficiency efforts.
Brand decisions
- Expansion of fleet exposure beyond containershipsOther
Recent events
Seaspan announced plans to acquire two containerships[6]
Reported:
Seaspan announced plans to acquire two 15,000 TEU containerships. Delivery to Seaspan was planned for late in the second quarter of 2021; the source does not report that the acquisition or delivery had been completed.
Seaspan prices $200 million sustainability-linked bond issue[7]
Reported:
Seaspan announced that it had priced $200 million in new senior unsecured sustainability-linked bonds in the Nordic bond market. The bonds mature in February 2024 and bear 6.5% annual interest.
- Unconfirmed
Seaspan secures $1.8 billion sustainability-linked loan[8]
Reported:
Seaspan Corporation said it secured a $1.8 billion sustainability-linked loan, the first of its kind in the containership leasing industry. The proceeds are intended to pay down its revolving credit facility and support liquidity and growth opportunities.
Seaspan announces intended delisting of 2025 and 2026 notes from NYSE[9]
Reported:
Seaspan announced that it intends to delist its 2025 and 2026 senior notes and related guarantees from the New York Stock Exchange. The release said Seaspan intended to file a Form 25 on February 27, 2020, and expected the notes’ last trading day to be March 9, 2020.
Seaspan announces planned delisting of senior notes from NYSE[10]
Reported:
Seaspan announced that it intends to delist its 7.125% senior notes from the New York Stock Exchange in connection with its proposed holding company reorganization. The delisting is expected around the reorganization's effective date.
Sources12 sources
- 1Seaspan Corpseaspancorp.com
- 2About Us | Seaspan Corpseaspancorp.com
- 3Ship Management | Seaspan Corpseaspancorp.com
- 4Seaspan Corporationde.wikipedia.org
- 5Seaspan Corporationwikidata.org
- 6Seaspan 宣布计划收购两艘集装箱船gcaptain.com
- 7Seaspan为2亿美元可持续发展挂钩债券定价prnewswire.com
- 8Seaspan获得18亿美元可持续发展挂钩贷款gcaptain.com
- 9Seaspan宣布拟将2025年及2026年票据从纽约证券交易所退市prnewswire.com
- 10Seaspan宣布计划将高级票据从纽约证券交易所退市prnewswire.com
- 11Seaspan Announces Pricing of Upsized $750 Million 5.50% Senior Unsecured Blue Transition Bondsprnewswire.com
- 12Seaspan Announces Pricing of US $300 Million Senior Unsecured Sustainability-Linked Bond Issueprnewswire.com
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