Siem Car Carriers

What Siem Car Carriers does

Siem Car Carriers is a specialized marine transportation service division of Siem Industries Inc., focused on the ocean transport of automobiles, roll-on roll-off (RO-RO) cargo, and break bulk cargo. Operated under Siem Shipping UK Limited — a private limited company incorporated in England and Wales — the brand targets automotive manufacturers and logistics companies, with marketing positioning around fast, regular, and direct service routes. The firm operates as one of five interconnected service divisions within the broader Siem Group, alongside Siem Offshore (energy-industry offshore support vessels), Siem Ship Management (third-party vessel management), Seven Yield (bareboat charter leasing), and Siem Global Logistics (NVOCC and freight forwarding).

The operational core is a fleet of approximately 32 vessels organized into distinct sub-fleets. The car carrier roster includes the Caribbean Star, Colombian Star, Costa Rican Star, Cote D'Ivoirian Star, Dunedin Star, MV Leevsten, MV Liekut, MV Lismore, MV Lista, MV Longstone, MV Ulusoy-16, Solent Star, Star First, Star Prima, and Wellington Star — a mix of lengthened 1990s-era vessels and modern newbuilds from 2017-2020 with 209+ meter LOA and approximately 4,000+ meters of lane length. Additional tonnage sits in the offshore segment (AHTS, PSV, MSV, OSCV vessels branded SIEM Aristotle, SIEM Barracuda, SIEM Challenger, SIEM Confucius, SIEM Copernicus, SIEM Curie, SIEM Darwin, SIEM Edison, SIEM Newton, SIEM Opal, SIEM Pearl, SIEM Pilot, SIEM Pride, SIEM Stingray, SIEM Symphony, SIEM Thiima, SIEM Topaz, and others) plus reefer and RORO vessels. Core technology centers on roll-on roll-off vessel operations rather than a software stack; no proprietary AI, platform, or app layer is disclosed.

Revenue is generated through B2B shipping services contracts with automotive manufacturers and logistics counterparties, with pricing negotiated per contract based on cargo volume, route, and duration. Customer acquisition combines direct enterprise sales with industry-association engagement (AIAG, ECG). The parent Siem Industries Inc. functions as a diversified maritime conglomerate, providing both capital backing and cross-divisional synergies (vessel management, leasing, and logistics services feed the car-carrier operating model), though the car-carrier division is not separately capitalized or disclosed as a standalone revenue entity in the source material.

Name

Siem Car Carriers

Legal name

Siem Shipping UK Limited

Website

https://siemcarcarriers.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

11–50 employees

Short description

Siem Car Carriers is a marine transportation division of Siem Industries Inc. operating a fleet of specialized roll-on roll-off vessels for global automobile and break bulk cargo shipping, serving automotive manufacturers and logistics providers with direct fleet-based B2B services.

Ownership category

akta.pro rank

Product category

Maritime Vehicle Transportation

NAICS

Freight Transportation Arrangement (488510)

SIC

Deep Sea Foreign Transportation Of Freight (4412), Arrangement Of Transportation Of Freight & Cargo (4731)

akta.pro primary industry

Finished Vehicle Ocean RoRo & Deep-Sea Vehicle Carriers (TLADAJAC)

Keywords

• Automobile maritime transport
• Roll-on roll-off shipping
• Car carrier vessels
• Break bulk cargo shipping
• PCTC fleet operations

Headquarters

HQ city

New York

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Infrastructure, Personnel, Supply Chain

Revenue model

1. Car Carrier Shipping Services: Transportation of automobiles, roll on roll off (RO-RO) and break bulk cargo services provided through a fleet of specialized vessels operating on fast, regular and direct service routes.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Siem Car Carriers is a marine transportation company that specialises in the transportation of automobiles, roll-on roll-off (RO-RO) and break bulk cargo using a fleet of specialised Pure Car and Truck Carrier (PCTC) vessels. The company operates fast, regular, and direct scheduled services connecting automotive manufacturers and distributors to global markets, operating within the broader Siem Group's integrated shipping ecosystem.

Product overview

SIEM Shipping operates as a specialised shipping company offering a portfolio of five interconnected service divisions. The core divisions include Siem Car Carriers (automobile and RO-RO transportation), Siem Offshore (offshore support vessel operations with AHTS, PSV, and MSV vessels), Siem Ship Management (comprehensive vessel management services), Seven Yield (bareboat charter leasing solutions), and Siem Global Logistics (NVOCC and freight forwarding). The company also maintains a diverse fleet of vessels spanning car carriers, offshore vessels, reefers, and RORO ships.

Differentiator

Problem solved

Functional benefit

Brands

• Siem Offshore: Offshore Support Vessels including AHTS, PSV, and MSV vessels serving the global energy industry
• Siem Ship Management
• Seven Yield
• Siem Global Logistics

Products and services

• Siem Car Carriers (Automobile and RO-RO Transportation) Specialised maritime transportation service for automobiles, roll-on roll-off (RO-RO), and break bulk cargo, targeting automotive manufacturers and distributors requiring reliable global vehicle shipping. The service operates a fleet of Pure Car and Truck Carrier (PCTC) vessels on scheduled routes.

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Two partnerships are on record, tiered core.

• AIAGcoreStrategic or Co-development Partner · 14 April 2026SIEM has joined AIAG (Automotive Industry Action Group) to strengthen collaboration in the automotive industry. This partnership focuses on automotive industry standards and collaboration initiatives.
• ECGcoreStrategic or Co-development Partner · 14 April 2026SIEM has joined ECG (European Car Transporters Group) to strengthen collaboration in the automotive industry. This partnership enhances SIEM's presence and alignment with European automotive logistics standards.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Direct peers

• Grimaldi Group: Italian shipping group operating a large RoRo and car carrier fleet connecting Europe, the Americas, and West Africa. Overlaps with Siem in breakbulk and RoRo/cargo vehicle transportation services.
• Mitsui O.S.K. Lines (MOL): Japanese shipping major with a sizable PCTC car carrier fleet serving global automakers, plus extensive ship management and logistics operations. Comparable to Siem in mixed shipping portfolio, automotive vertical focus, and integrated maritime services.
• K Line (Kawasaki Kisen Kaisha): Major Japanese PCTC operator with one of the world's largest car carrier fleets serving global automotive manufacturers. Direct competitor in finished vehicle deep-sea transportation with comparable customer base.
• UECC (United European Car Carriers): European-based short-sea RoRo/PCTC operator focused on finished vehicle distribution in Europe, North Africa, and the Mediterranean. Competes with Siem in European vehicle logistics, particularly relevant given Siem's ECG partnership focus.
• Hyundai Glovis: Logistics arm of Hyundai Motor Group operating a large PCTC fleet specializing in finished vehicle transportation, with strong Korea-Asia and trans-Pacific trade-lane presence. Closely comparable in customer vertical (automotive OEMs) and service offering.
• NYK Line (Nippon Yusen Kaisha): Japanese shipping conglomerate with a substantial PCTC fleet transporting completed vehicles globally. Operates similar car carrier services for OEM customers, with a comparable business model and trade-lane coverage.
• Wallenius Wilhelmsen: World's largest operator of Pure Car and Truck Carriers (PCTC) and roll-on/roll-off (RoRo) vessels, with a global fleet serving automotive OEMs across major trade lanes. Directly comparable to Siem Car Carriers in vessel type, customer base (global automakers), and service offering.
• Hoegh Autoliners: Major global PCTC/RoRo operator with deep experience in deep-sea car carrier services, providing transportation for cars, high-and-heavy, and breakbulk cargo. Competes head-to-head with Siem in finished vehicle ocean transportation and shares a similar product focus.

Emerging players

• DFDS: European shipping and logistics group with RoRo and logistics operations, including finished vehicle and freight forwarding services. Provides useful comparison for Siem's European car carrier ambitions and integrated logistics offering.
• Anji Logistics (SAIC Anji): Chinese automotive logistics provider expanding international car carrier and RoRo operations. Increasingly relevant peer in Asian finished vehicle shipping as Chinese auto exports grow, though it is at a different stage of international development than Siem.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/siemcarcarriers
• Facebookfacebook.com/SiemCarCarriers
• LinkedInlinkedin.com/company/siem-car-carriers-as

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Siem Car Carriers