EnSign for shipowners
Register your ship online.
The first unified ecosystem for ship registration — from a day boat to a tanker. Compare flags on their published record, apply through one account, and the registry decides. Registration opens October 2026.
Choose your flag.
Liberian Registry (LISCR)
Liberia
The Liberian International Ship & Corporate Registry, established 1948 — one of the two largest registries worldwide, with a strong Port State Control record.
Panama Maritime Authority
Panama
The world's largest ship registry, administered by the Autoridad Marítima de Panamá — over 8,000 vessels and more than 200 million gross tons.
Marshall Islands Registry (IRI)
Marshall Islands
The Republic of the Marshall Islands registry, administered by International Registries, Inc. — a top-three registry favoured for tankers, gas carriers and offshore units.
Hong Kong Shipping Register
Hong Kong (China)
The Hong Kong flag, run by the Marine Department — one of the world's largest quality registers, long established in deep-sea trades.
Singapore Registry of Ships (MPA)
Singapore
The Singapore flag, administered by the Maritime and Port Authority — a premium national register at the heart of the world's busiest transshipment hub.
Malta Ship Registry (Transport Malta)
Malta
Europe's largest ship register, run by Transport Malta's Merchant Shipping Directorate — an EU flag with a broad commercial and superyacht fleet.
Bahamas Maritime Authority
Bahamas
The Bahamas flag administration — a long-established quality register, particularly strong in cruise and passenger shipping.
Cyprus Ship Registry (SDM)
Cyprus
The Cyprus register, administered by the Shipping Deputy Ministry — an EU flag with a competitive tonnage-tax regime and a sizeable managed fleet.
China Maritime Safety Administration
China
The maritime authority of the People's Republic of China, responsible for the national flag and its port state control — one of the largest fleets in the world by flag of registration.
Norwegian International Ship Register (NIS)
Norway
Norway's international register, administered by the Norwegian Maritime Authority — a top-three Paris MoU performer with a strong offshore and specialist fleet.
Danish International Ship Register (DIS)
Denmark
Denmark's international register under the Danish Maritime Authority — a top-five Paris MoU performer anchored by one of the world's great container fleets.
Hellenic Ship Registry (Ministry of Maritime Affairs)
Greece
The Greek flag, administered by the Ministry of Maritime Affairs & Insular Policy of the Hellenic Republic — the national register of the world's largest ship-owning nation.
Japan Ship Registry (MLIT Maritime Bureau)
Japan
The Japanese flag, administered through the Maritime Bureau of the Ministry of Land, Infrastructure, Transport and Tourism — among the strongest port state control records of any flag.
Italian International Register (MIT)
Italy
The Italian flag, administered under the Ministero delle Infrastrutture e dei Trasporti — an EU register with a substantial passenger, ferry and short-sea fleet.
Portuguese Maritime Authority (DGRM)
Portugal
The Portuguese flag, administered by the Direção-Geral de Recursos Naturais, Segurança e Serviços Marítimos — an EU register whose international branch is based in Madeira.
German Flag State Administration (Deutsche Flagge)
Germany
The German flag, administered through the Deutsche Flagge flag-state portal run jointly by the federal transport ministry, the BG Verkehr Ship Safety Division and the Federal Maritime and Hydrographic Agency (BSH) — an EU register with a high Paris MoU standing.
General Directorate of Maritime Affairs (Türkiye)
Türkiye
The Turkish flag, administered by the General Directorate of Maritime Affairs of the Ministry of Transport and Infrastructure — a national register with an international branch, the Turkish International Ship Registry.
United Kingdom Ship Register
United Kingdom
The United Kingdom ship register, a founding member of the Red Ensign Group, registering vessels of any type and tonnage.
Isle of Man Ship Registry
Isle of Man
A leading Category 1 register known for superyachts and quality commercial tonnage.
Cayman Islands Shipping Registry
Cayman Islands
One of the worlds leading superyacht registries and a Category 1 member of the Red Ensign Group.
Bermuda Shipping and Maritime Authority
Bermuda
A Category 1 register popular with large yachts, cruise and passenger ships.
Gibraltar Maritime Administration
Gibraltar
A Category 1 register offering an EU-friendly base for yachts and commercial vessels.
Antigua and Barbuda Ship Registry (ADOMS)
Antigua and Barbuda
The Antigua and Barbuda Department of Marine Services registry — a mid-size White-list flag historically strong in European short-sea and project cargo.
Barbados Maritime Ship Registry
Barbados
The Barbados flag — a Commonwealth White-list register with offices in London, covering commercial ships and yachts.
St. Vincent and the Grenadines Maritime Administration
St. Vincent and the Grenadines
The SVG flag administration — a long-running open register with a large small-tonnage fleet; currently on the Paris MoU Grey list.
Luxembourg Maritime Register (CAM)
Luxembourg
The Luxembourg flag, administered by the Commissariat aux Affaires Maritimes — a compact EU register with a top-ten Paris MoU record.
Maritime Cook Islands
Cook Islands
The Cook Islands ships registry — a Pacific open register popular with yachts and smaller commercial tonnage; currently on the Paris MoU Grey list.
Jersey Ship Registry
Jersey
A Category 2 register for pleasure yachts and smaller commercial craft.
* Flags shown identify public directory listings — see the note in the footer.
Compare three flags side by side Every flag's safety standing
Built by Aurelith
Built by the people who answer the phone.
EnSign was built by Aurelith to change how the world’s ships are registered — not to improve the paperwork, but to replace the system beneath it. Aurelith builds systems to one standard: the ambition to lead the change, and the scale to carry it.
