Goodwin Marine Services

What Goodwin Marine Services does

Goodwin Marine Services (DBA: GMS Offshore) is a privately held US marine transportation and offshore support company founded in 2002 by Josh Goodwin in Hull, Massachusetts. The company operates a six-vessel fleet purpose-built or refitted for offshore missions: the 150-foot ABS Load Line-certified R/V Peter M Mahoney (offshore supply vessel, 20-person accommodations, 10-ton hydraulic A-frame), the 110-foot R/V James K Goodwin and R/V Rachel K Goodwin (offshore supply vessels), the 55-foot R/V Jamie Hanna (research vessel with lab space and retractable sonar pole), the 20-foot GMS Privateer, and the 17'8" GMS RHIB. Capabilities include a proprietary mission-configurable ROV with 2,000 ft depth rating, dual camera and scaling lasers, and HYPACK survey software integration, alongside in-house custom metal fabrication for mission-specific equipment mounting.

The company's business model is project-based chartering and turnkey offshore support, sold primarily through direct B2B engagement and government contracting rather than fixed pricing. Revenue streams include vessel chartering with licensed crew, ROV and subsea inspection, hydrographic and geophysical survey support, offshore provisioning and logistics, emergency response and recovery, buoy deployment and retrieval, compliance and mission coordination, and custom metal fabrication. Customers span federal agencies (NOAA, US Navy, US Army Corps of Engineers, USGS), defense and AUV technology (General Dynamics Mission Systems / Bluefin Robotics), universities (University of New Hampshire), prime contractors (AECOM, APTIM, Battelle, Woods Hole Group), and offshore wind and film sectors. Geographic coverage spans the US East Coast from the Gulf of Maine to the Gulf of Mexico.

The company positions itself as a turnkey provider that bundles vessels, crew, regulatory certification (USCG, ABS), and custom equipment integration under single contracts, differentiating through fleet diversity (17 ft to 150 ft), in-house fabrication, and twenty-plus years of past-performance history with government and research clients. It is entirely privately held with no disclosed funding rounds or institutional investors, and the founder remains operator.

Name

Goodwin Marine Services

Legal name

Goodwin Marine Services

Website

https://gmsoffshore.com

Company type

Private

Founded year

2002

Operating status

Operating

Headcount range

1–10 employees

Short description

Goodwin Marine Services is a privately held Hull, Massachusetts-based marine support company operating a six-vessel fleet from 17-foot RHIBs to a 150-foot ABS-certified offshore supply vessel, providing chartered vessels, ROV operations, survey support, and logistics to federal agencies, research institutions, and offshore energy clients along the US East Coast and Gulf of Mexico.

Ownership category

akta.pro rank

Product category

Offshore Marine Support Services

NAICS

Support Activities for Water Transportation (4883), Other Support Activities for Water Transportation (48839)

SIC

Water Transportation (4400), Oil & Gas Field Services, Nec (1389)

akta.pro primary industry

Marine Service Provider Coordination (Diving, Inspection, Class/Survey Support) (TLAHAJAI)

akta.pro secondary industries

Offshore Marine & Aviation Support (PSVs, AHTS, Crew Boats, Helicopters) (EUALABAJ), Pilot Boat / Pilot Transfer Services (Pilot Launch Operations) (TLAHAGAH)

Keywords

• Marine vessel chartering
• Offshore support services
• ROV subsea inspection
• Hydrographic survey support
• Emergency response vessels

Headquarters

HQ city

Hull

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Vessel Chartering & Marine Transport: Core revenue stream from chartering the company's fleet of purpose-built vessels to clients for offshore missions. Vessels are chartered with experienced, licensed crew for scientific research, government operations, oil & gas support, and offshore wind projects. Revenue is typically project-based with duration-dependent pricing.
2. ROV & Subsea Inspection Services: Subsea inspection, ROV support and intervention services deploying remotely operated vehicles for structural inspections, data collection, and asset retrieval. Includes support for third-party operators or client teams.
3. Offshore Provisioning & Logistics: Logistics services including delivery of fuel, food, water, spare parts, and technical provisions to offshore sites. Also includes waste collection and removal, and project mobilization/demobilization support.
4. Emergency Response & Recovery: Rapid-response vessel support for urgent offshore situations including spill containment, equipment recovery, disaster relief, and vessel casualty response.
5. Hydrographic & Geophysical Survey Support: Survey support services providing stable platforms for third-party survey teams. Includes side-scan sonar, multibeam echosounder, sub-bottom profiling, and sediment sampling operations.
6. Buoy Retrieval & Deployment: Specialized government buoy deployment and retrieval services for aids to navigation, data buoys, and moored instrumentation. Includes inspection, maintenance, and refurbishment of mooring systems.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Goodwin Marine Services charters a fleet of six purpose-built marine vessels, ranging from a 17'8" RHIB to a 150-foot offshore supply vessel, with experienced licensed crews. The company delivers integrated offshore support services including vessel chartering, ROV/subsea inspection and intervention, hydrographic and geophysical survey support, offshore logistics and provisioning, emergency response and recovery, buoy deployment and retrieval, compliance/safety coordination, and in-house custom metal fabrication.

Product overview

Goodwin Marine Services operates a fleet of purpose-built marine vessels and provides comprehensive offshore support services. The core portfolio includes six vessels: R/V Peter M Mahoney (150-ft offshore supply vessel with ABS certification), R/V James K Goodwin and R/V Rachel K Goodwin (110-ft sister vessels), R/V Jamie Hanna (55-ft research vessel), GMS Privateer (20-ft agile support vessel), and GMS RHIB (17'8" high-performance craft). Services are delivered through an integrated platform approach combining vessel chartering, ROV/subsea operations, survey support, emergency response, logistics, and custom metal fabrication. The company supports diverse industries including aerospace, government/military, oil & gas, offshore wind, environmental/scientific research, and film production. Services range from specialized vessel operations to turnkey offshore support solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• R/V Peter M Mahoney 150-foot Offshore Supply Vessel built by Master Boat Builders in 1998, featuring a 90' x 30' clear deck with 400 LT cargo capacity, 10-ton hydraulic A-frame, accommodations for 20 persons, ABS Load Line certification, and USCG Subchapter L inspection regime. Equipped with Furuno navigation systems and HYPACK survey software.
• R/V James K Goodwin 110-foot Offshore Supply Vessel built by Graham in 1981, featuring a 62' x 24' clear deck with a 3,500 lb knuckle boom crane, accommodations for 22 persons, and HYPACK survey software. Operates under USCG Subchapter T inspection regime.
• R/V Rachel K Goodwin 110-foot offshore supply vessel originally built in 1979, acquired by Goodwin Marine Services in 2019 for ocean-going research tasks. Features a custom detachable hydraulic A-frame with 27-foot vertical clearance and 130 sq ft client lab space.
• R/V Jamie Hanna 55-foot custom research vessel built by Wesmac in 2012, powered by CAT C-18-ACERT main engine. Features hydraulic A-frame, winches, sonar pole, stainless steel davit, and dedicated client lab space for research operations.
• GMS Privateer

Quantifiable outcome

• Over 20 years of operational experience with established client relationships
• +2 more outcomes

Named customers10 records

Segments8 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• Bluefin Robotics (now General Dynamics Mission Systems)coreStrategic or Co-development Partner · 1 January 2004Longstanding partnership since 2004 with GDMS Bluefin Robotics providing extensive AUV support, dive operations, target deployment, and vessel support and maintenance. This partnership represents the company's deepest and most established strategic relationship, supporting autonomous underwater vehicle operations and testing in offshore environments.

Scale indicators3 records

Recent moves1 record

Expansion highlights1 record

Direct peers

• TDI-Brooks International: U.S.-based oceanographic services firm providing vessel-based geochemical, geophysical, and environmental survey support. Directly comparable to Goodwin Marine Services in offering chartered vessels with survey/ROV integration for federal and offshore clients.
• CSA Ocean Sciences: Marine environmental consulting firm delivering oceanographic research, habitat assessment, and offshore survey support. Comparable to Goodwin Marine Services in serving NOAA/USGS-style federal research clients with vessel-based survey and ROV services.

Emerging players

• Saildrone: Autonomous ocean data collection company using unmanned surface vehicles for survey and research missions. Compares to Goodwin Marine Services as an alternative ocean data acquisition platform competing for the same federal oceanographic research budgets (NOAA, Navy), though with fundamentally different vessel architecture.

Broad incumbents

• Edison Chouest Offshore: Privately held offshore support vessel operator with a large, modern fleet serving oil & gas, government, and research markets. Comparable to Goodwin Marine Services on vessel chartering to federal and offshore energy clients, but with broader vessel classes and global reach.
• Bourbon Offshore: International offshore marine services provider with a fleet of PSVs, AHTS, and crew boats. Comparable to Goodwin Marine Services on offshore supply vessel chartering for energy clients, though with global rather than U.S. East Coast focus.
• Helix Energy Solutions Group: Offshore energy services company with significant ROV and subsea intervention capabilities. Comparable to Goodwin Marine Services on ROV-based subsea inspection and intervention, though Helix operates at materially greater scale and depth.
• DeepOcean: Subsea services provider offering ROV operations, survey, and offshore support. Compares to Goodwin Marine Services on ROV and subsea inspection services for oil & gas and offshore wind, with a broader European presence.
• Fugro: Global leader in offshore geotechnical, geophysical, and hydrographic survey services. Comparable to Goodwin Marine Services on the survey-support and offshore wind site characterization workstreams, but with international scale and integrated data products.
• Oceaneering International: Global subsea engineering, ROV, and offshore marine services incumbent. Overlaps with Goodwin Marine Services on ROV operations and offshore vessel-based subsea work, but operates a vastly larger global fleet and broader service portfolio.
• Tidewater Inc. Largest pure-play offshore support vessel (OSV) operator globally. Compares to Goodwin Marine Services as a competing provider of platform supply vessels and crew boats to oil & gas, government, and offshore wind clients, though at much greater scale.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/GoodwinMarineServices
• Instagraminstagram.com/goodwinmarineservices
• LinkedInlinkedin.com/company/gms-offshore-services

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 Goodwin Marine Services