What Seaward Services does

Seaward Services, Inc. is a maritime solutions provider founded in 1981 and headquartered in New Albany, Indiana, operating as a subsidiary of Hornblower Corporation (part of the broader Hornblower Group). The company specializes in the operation, maintenance, crewing, and management of government and commercial vessels, with its core customer base being the U.S. Department of Defense, U.S. Navy, Military Sealift Command, and Marine Corps. Its operational footprint spans multiple regions, including the Western and Eastern Pacific, the Far East (Japan/Okinawa), the U.S. East Coast, and the Gulf of Mexico, with support locations at naval facilities such as Naval Base Kitsap Bangor, Panama City, and Dania Beach.

The company's technology and asset base center on maritime vessel operations spanning high-speed aluminum-hulled jet-propulsion vessels (over 20 years of experience with craft such as WestPac Express, USNS Guam, and HSV Alakai), two owned 208-foot multi-purpose offshore supply vessels (Seaward Explorer and Seaward Endeavor, converted in 2021 from MSRC oil spill response boats and equipped with dual 20-ton cranes and RHIB davits), and a fleet of Jones-Act compliant Crew Transfer Vessels for offshore wind. Seaward holds a proprietary USCG-approved type-rating program for high-speed craft officers and is certified under the ISM Code (by the American Bureau of Shipping), ISO 9001, ISO 14001, and ISO 45001. It is integrating autonomous and AI vessel technologies through partnerships with Sea Machines and Orpheus Ocean.

Seaward monetizes through several streams: long-term government maritime support contracts (e.g., a $77 million, 5.5-year Navy Training Support Vessel Squadron contract), vessel charter and brokerage services, professional crewing/mariner staffing, program management and technical services for DoD projects, and offshore wind fleet operations via the WINDEA CTV LLC joint venture. Go-to-market is direct enterprise/sales-led, securing prime contracts through competitive government procurement processes (NAVSUP, NSWC) and quote-based commercial charters. Pricing is not publicly disclosed.

Name

Seaward Services

Legal name

HMS Global Maritime

Website

https://seawardservices.com

Company type

Private

Founded year

1981

Operating status

Operating

Headcount range

101–250 employees

Short description

Founded in 1981 and a Hornblower Corporation subsidiary, Seaward Services operates, maintains, and crews government and commercial vessels—high-speed craft, offshore supply vessels, and offshore wind crew transfer vessels—primarily serving the U.S. Navy, DoD, and offshore wind operators.

Ownership category

akta.pro rank

Product category

Maritime Vessel Operations and Government Maritime Services

NAICS

Support Activities for Water Transportation (4883), Water Transportation (483), Deep Sea, Coastal, and Great Lakes Water Transportation (48311)

SIC

Water Transportation (4400), Arrangement Of Transportation Of Freight & Cargo (4731)

akta.pro primary industry

Offshore Marine & Aviation Support (PSVs, AHTS, Crew Boats, Helicopters) (EUALABAJ)

akta.pro secondary industries

Offshore Support & Marine Logistics Vessel Operators (PSV/AHTS) (TLADABAL), Vessel Husbandry & Crew Services (Crew Change, Meet & Assist, Transport, Shore Passes) (TLAHAJAB)

Keywords

• Maritime vessel operations
• Government vessel support
• Crew transfer vessels
• Offshore wind logistics
• Marine crewing services

Headquarters

HQ city

New Albany

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Supply Chain

Revenue model

1. Government Maritime Support Contracts: Long-term contracts with U.S. Navy and DoD for mariner and logistical support services, including training support vessel operations, waterfront logistics, and vessel maintenance. Recent $77M contract for Training Support Vessel Squadron support.
2. Vessel Charter Services: Charter of owned vessels (Seaward Explorer, Seaward Endeavor) and third-party vessel brokerage connecting clients with US-flagged, Jones-Act compliant vessels for various maritime operations including offshore wind, research, and military support.
3. Crewing Services: Supply of qualified mariners for vessel operations, including deck officers, engineering crew, and specialized high-speed craft personnel. Comprehensive in-house training and USCG-endorsed proprietary type-rating programs.
4. Program Management & Technical Services: Engineering, logistical, maintenance, and technical support services for DoD projects and shoreside facilities, including shipyard management, drydocking projects, and range operations support.
5. Offshore Wind Fleet Operations: Operation of Crew Transfer Vessels serving offshore wind operations including daily crew and supply delivery to turbines for routine maintenance and inspection.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

Seaward Services operates, maintains, and crews government and commercial maritime vessels, including multi-purpose offshore supply vessels, high-speed aluminum craft, and Jones-Act compliant Crew Transfer Vessels for offshore wind operations. The company provides turn-key maritime solutions spanning vessel charter, professional crewing, program management, and technical services to U.S. Department of Defense agencies and commercial maritime clients.

Product overview

Seaward Services is a full-service maritime solutions provider offering a diversified portfolio of vessel operations and support services. The company operates two owned multi-purpose offshore supply vessels (Seaward Endeavor and Seaward Explorer) acquired and converted in 2021, supplemented by a fleet of 5 purpose-built Crew Transfer Vessels through a joint venture with WINDEA for offshore wind operations. Core offerings include high-speed vessel operations with proprietary USCG-approved training, professional crewing services, vessel chartering, and comprehensive program management supporting DoD contracts for over 30 years. The company also integrates autonomous vessel technology through partnerships to enhance fleet capabilities.

Differentiator

Problem solved

Functional benefit

Brands

• Seaward Explorer: Multi-purpose offshore vessel, 208 feet LOA, equipped with two 20-ton cranes fore and aft, capable of offshore wind, SOV, emergency response, expeditionary support, and government/private maritime training activities.
• Seaward Endeavor

Products and services

• Seaward Endeavor and Seaward Explorer Multi-Purpose Offshore Vessels Multi-purpose offshore supply vessels (MSVs) measuring 208 feet LOA, equipped with dual 20-ton cranes fore and aft, RHIB davits, and versatile deck equipment. Used for special forces support, research missions, target deployment/recovery, drone launches, and offshore wind operations.
• High-Speed Vessel Operations Operation and maintenance of aluminum-hulled, jet-propulsion high-speed vessels, including USCG-approved proprietary type-rating training program. Service supports USNS Guam, HSV Alakai, and sea trials for EPF and LCS class vessels with over 20 years of experience in high-speed military and commercial applications.
• Crew Transfer Vessel (CTV) Fleet Operations Jones-Act compliant Crew Transfer Vessels operated through WINDEA CTV LLC joint venture. Fleet of 5 purpose-built CTVs plus converted Gateway Endeavor serving offshore wind operations near Martha's Vineyard and Norfolk, VA, providing crew and supplies to wind turbines.
• Crewing Services Professional mariner staffing for military, commercial, government, defense, research, and support sectors. Includes proprietary USCG-endorsed type-rating program for high-speed vessel officers and comprehensive in-house training.
• Charter Services Vessel chartering with US-Flagged, Jones-Act Compliant vessels including OSVs, training ships, tankers, and multi-purpose vessels. Turn-key solutions for vessel procurement and management backed by 30-year industry network. Own charter fleet includes Seaward Endeavor and Seaward Explorer.
• Program Management and Technical Services Technical, engineering, and logistical support including shipyard management, drydocking, vessel conversions, and DoD project support. Services span cradle-to-grave with experience on projects exceeding $7 million, including waterfront operations, underwater electromagnetic signature range operations, and autonomous vessel support.
• U.S. Navy Training Support Vessel Squadron Support Contract Mariner and logistical support for four training vessels supporting realistic military training scenarios for Carrier Strike Group Four in Norfolk, VA, starting January 2026.

Quantifiable outcome

• 31+ years of continuous DoD contract performance
• +2 more outcomes

Named customers10 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration1 record

AI capability3 records

Feature4 records

Partnerships

Six partnerships are on record, tiered core and secondary.

• MidOcean Wind LLCcoreStrategic or Co-development Partner · 1 January 2023Partner in WINDEA CTV LLC joint venture focused on offshore wind crew transfer operations. MidOcean Wind brings wind energy development expertise while Seaward provides maritime operations capabilities.
• WINDEA CTV LLCcoreStrategic or Co-development Partner · 1 January 2022Joint venture between Hornblower Group and MidOcean Wind LLC to build and operate the United States' first fully dedicated Crew Transfer Vessels for offshore wind operations. WINDEA CTV constructs purpose-built CTVs while Seaward provides crew and vessel operations. Fleet of 6 CTVs currently serving Vineyard Wind near Martha's Vineyard and Norfolk, VA operations.
• Sea MachinessecondaryTechnology or IntegrationTechnology partnership to integrate autonomous and artificial intelligence technologies into Seaward's current and future vessel fleets. Focus on reducing fuel consumption, improving safety, and reducing at-sea collision risks through smart technology integration.
• AustalsecondaryTechnology or IntegrationPartnership with leading U.S. high-speed ship builder Austal. Seaward has provided crew for every EPF and LCS vessel built by Austal in the US, ensuring vessels meet highest operational standards.
• Bay Ferries UnlimitedsecondaryChannel Partner/ Reseller/ DistributorSeaward has crewed, maintained, and operated the HSV Alakai for Bay Ferries Unlimited since 2016. Vessel serves as high-speed passenger ferry between Bar Harbor, Maine and Yarmouth, Nova Scotia.
• Hornblower GroupcoreOthersSeaward Services is a subsidiary of Hornblower Corporation, part of the broader Hornblower Group family of maritime companies including City Experiences, City Ferry, Hornblower Marine, and American Queen Voyages. Parent company provides strategic alignment and shared resources across maritime operations.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Emerging players

• Esvagt: Esvagt operates Service Operation Vessels (SOVs) and Crew Transfer Vessels for the European offshore wind market. Comparable to Seaward as a CTV/SOV operator serving offshore wind with similar vessel-platform economics, but operating primarily in Europe rather than the U.S. Jones-Act market.
• Edda Wind ASA: Edda Wind is a pure-play owner/operator of SOV and CTV vessels serving the European offshore wind sector. It is comparable to Seaward's WINDEA CTV business in vessel type and end-market (offshore wind crew transfer), though it currently operates in European waters rather than under U.S. Jones-Act requirements.

Broad incumbents

• Boluda Towage: Boluda is one of the world's largest towage operators with a global harbor-tug footprint. Comparable to Seaward as a broad, diversified marine services incumbent that handles port-call and harbor-assistance contracts at scale; differs in being globally scaled and towage-focused rather than U.S.-flag defense/offshore.
• Kirby Corporation: Kirby is the largest U.S. inland marine and Jones-Act tank barge operator, with growing offshore distribution services. It is a much larger, publicly traded incumbent in the same marine services space, with overlap on government-related marine transport but a fundamentally different commodity-tilted business model.

Direct peers

• Vane Brothers Company: Vane Brothers provides tug and barge services along the U.S. East Coast and Chesapeake Bay for petroleum, chemical, and government customers. The peer overlap lies in U.S.-flag, Jones-Act operations and government-contracted vessel operations, though Vane's commodity focus differs from Seaward's defense/offshore wind tilt.
• Tidewater Inc. Tidewater is the largest pure-play offshore support vessel (OSV/PSV/AHTS) operator worldwide, serving oil & gas and increasingly offshore wind markets. Seaward's MSV operations and CTV expansion parallel Tidewater's move into wind logistics, with both competing for Jones-Act compliant crew transfer and multi-purpose charter work.
• Bouchard Transportation Co. Bouchard operates a U.S.-flag tug and barge fleet moving petroleum and dry bulk along the Atlantic seaboard and Gulf. It is comparable on the dimensions of U.S.-flag Jones-Act operations, government contracts, and U.S. East Coast maritime services infrastructure where Seaward also runs its Bangor/Newport/Martha's Vineyard footprint.
• Edison Chouest Offshore: Edison Chouest operates a global fleet of offshore support vessels (PSVs, AHTS, crew boats) serving oil & gas, government, and offshore wind customers. Both companies operate multi-purpose offshore vessels and crew transfer assets for U.S. and international clients in similar sub-sectors.
• McAllister Towing & Transportation: McAllister operates harbor and oceangoing tugs primarily on the U.S. East Coast and Gulf, with significant government and commercial port-services contracts. Comparable as a U.S.-flag marine services operator bidding on defense, port-call, and harbor-assistance work of the same character that Seaward supports.
• Crowley Maritime Solutions: Crowley operates a U.S.-flag fleet of offshore support, transport, and government services vessels under the Defense, Energy, and Logistics segments, including vessel operations for the U.S. Navy and Jones-Act compliance work — directly overlapping with Seaward's Navy training support, crewing, and offshore service portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key highlights7 records

Customer concentration

• Xx.com/seawardservices

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries1 record

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 Seaward Services