Windward Offshore GmbH & Co. KG

What Windward Offshore GmbH & Co. KG does

Windward Offshore Gmb & Co. KG is a Hamburg-headquartered integrated offshore wind service company founded in 2023, operating a growing fleet of purpose-built Commissioning Service Operation Vessels (CSOVs). The company has ordered four vessels from VARD based on the VARD 4 19 design: Windward Athens was delivered on schedule in October 2025, Windward Paris was delivered ahead of schedule in February 2026, and Windward Munich and Windward Hamburg are under construction at VARD Vung Tau in Vietnam for 2026 delivery. Each vessel is 87.5m long with a 19.5m beam, accommodates up to 120 personnel in en-suite cabins, and is equipped with VARD SeaQ battery hybrid propulsion, MAN methanol-ready main engines, Ampelmann electric motion-compensated gangways, Seaonics 7t 3D motion-compensated cranes, and ScanReach ConnectPOB real-time personnel tracking. The vessels generate revenue through multi-year time charter contracts with offshore wind developers and operators, supplemented by integrated engineering, commissioning and O&M services delivered in partnership with SeaRenergy.

Windward Offshore monetizes its fleet primarily via subscription-style recurring time charters sold directly to enterprise customers in the offshore wind sector, with channel support from North Star (UK). Both delivered vessels are currently deployed under RWE charter for German offshore wind farms north of Helgoland and for the Triton Knoll wind farm off the UK coast. Pricing is not publicly disclosed and contracts are negotiated on a project basis. The shareholder base spans listed shipping corporates (Diana Shipping), a Japanese sogo shosha (Marubeni Corporation, 25.1%), family-office investment holdings (ASSC/Rickmers, Serafin/SeraVerse), institutional investors (RIVE Private Investment), and operating partners (SeaRenergy, Blue Star Group), giving the company both deep maritime operating expertise and access to substantial asset-backed debt capacity (EUR 182 million senior loan facility from Crédit Agricole CIB and Eksfin). The company's go-to-market is enterprise field sales targeting European offshore wind developers, with a near-term expansion path into Japan and broader Asia via the Marubeni relationship.

Name

Windward Offshore GmbH & Co. KG

Legal name

Windward Offshore GmbH & Co. KG

Website

https://windward-offshore.com

Company type

Private

Founded year

2023

Operating status

Operating

Headcount range

1–10 employees

Short description

Windward Offshore is a Hamburg-based offshore wind service company operating a fleet of purpose-built CSOVs on long-term time charters to energy companies such as RWE, supporting the commissioning and maintenance of European offshore wind farms.

Ownership category

akta.pro rank

Product category

Offshore Wind Vessel Charter Services

NAICS

Support Activities for Water Transportation (4883), Commercial Air, Rail, and Water Transportation Equipment Rental and Leasing (532411)

SIC

Water Transportation (4400)

akta.pro primary industry

Wind Turbine Installation & Commissioning (Cranes, Vessels, Jack-ups) (EUAMACAG)

akta.pro secondary industry

Offshore Support & Marine Logistics Vessel Operators (PSV/AHTS) (TLADABAL)

Keywords

• Offshore wind vessels
• Commissioning service vessels
• CSOV charter services
• Offshore wind maintenance
• Vessel time charter

Headquarters

HQ city

Hamburg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. CSOV Charter Contracts: Windward Offshore generates revenue through long-term charter contracts for its Commissioning Service Operation Vessels. Vessels are chartered to energy companies and operators for offshore wind farm installation, commissioning, and operations & maintenance support. Contracts are structured as time charters with specific deployment periods.
2. Integrated Offshore Wind Services: Revenue from providing integrated solutions combining vessels with engineering, maintenance, and operation services through the SeaRenergy partnership. This includes commissioning support and ongoing maintenance of offshore wind farms.

Go-to-market motion2 records

Distribution channels2 records

Marketing channels1 record

Core offering

Windward Offshore charters a fleet of next-generation Commissioning Service Operation Vessels (CSOVs) to offshore wind developers and operators for installation, commissioning, and operations and maintenance support. The four-vessel fleet, built on the VARD 4 19 design with battery hybrid propulsion and green methanol readiness, is deployed under long-term time charter contracts (notably with RWE) and combined with engineering and maintenance services delivered through the SeaRenergy partnership.

Product overview

Windward Offshore operates an integrated offshore wind service company focused on a fleet of four Commissioning Service Operation Vessels (CSOVs): Windward Athens (delivered October 2025), Windward Paris (delivered February 2026), and two additional vessels under construction (Windward Munich and Windward Hamburg). All vessels are based on the VARD 4 19 design and feature battery hybrid technology with green methanol readiness. The fleet is equipped with Ampelmann motion-compensated gangways, Seaonics 7t electric cranes, ScanReach personnel tracking systems, and Brunvoll thrusters. Windward Offshore provides integrated solutions combining vessels with engineering, maintenance, and operation services through its SeaRenergy partnership, supporting the commissioning, installation, and O&M phases of offshore wind farms. The company is headquartered in Hamburg with operations supporting RWE offshore wind farms in Germany and the UK, in partnership with North Star and Marubeni Corporation as a 25.1% shareholder.

Differentiator

Problem solved

Functional benefit

Products and services

• Windward Athens CSOV (Commissioning Service Operation Vessel)
• Windward Paris CSOV (Commissioning Service Operation Vessel)
• Windward Munich CSOV (Commissioning Service Operation Vessel)
• Windward Hamburg CSOV (Commissioning Service Operation Vessel)
• Integrated Offshore Wind Engineering and Maintenance Services

Quantifiable outcome

• Windward Athens delivered on schedule in October 2025; Windward Paris delivered ahead of schedule in February 2026
• +3 more outcomes

Named customers1 record

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Seven partnerships are on record, tiered core and supporting.

• AmpelmanncoreTechnology or Integration · 1 December 2024Ampelmann supplies motion-compensated gangways for all four CSOVs. They deliver four electric-powered W-type systems each equipped with a motion-compensated lifting function. Ampelmann has successfully facilitated over 10 million safe personnel transfers worldwide. They will also leverage their extensive experience in training personnel for optimal operation and safety standards.
• SeaonicscoreTechnology or Integration · 1 December 2024Seaonics, a subsidiary of VARD Group, supplies 3D motion-compensated cranes with 7-ton 3D capacity for the fleet. These electric-driven cranes are known for their reliability and proven performance, enhancing the operational capabilities of Windward's vessels.
• MAN Energy SolutionscoreTechnology or Integration · 1 December 2024MAN Energy Solutions supplies main engines for all CSOVs in collaboration with VARD. The engines are designed to run on methanol from time of delivery, reflecting Windward's commitment to environmentally friendly operations. MAN's global service and spare part network further supports the fleet.
• ScanReachsupportingTechnology or Integration · 1 December 2024ScanReach enhances onboard safety with its wireless connectivity mesh node system. The ConnectPOB location management service enables real-time tracking of all personnel on board, significantly improving response times during emergencies or muster activities.
• SeaRenergycoreStrategic or Co-development PartnerSeaRenergy, established in 2010 as the Offshore Wind Services Arm of the Rickmers family, handles engineering and maintenance aspects of Windward's offshore projects. SeaRenergy's service portfolio comprises Engineering, QHSE and Marine Services as well as Offshore Experts, covering the whole lifecycle of offshore wind projects from early planning through installation to operation, maintenance, and repair.
• VARDcoreStrategic or Co-development PartnerVARD is a global leader in specialized ship design and shipbuilding headquartered in Ålesund, Norway, with shipyards in Norway, Romania, Brazil, and Vietnam. Majority-owned by Fincantieri, VARD designed and constructs Windward's four CSOVs based on the VARD 4 19 design. VARD Brattvaag delivered Windward Athens (October 2025) and Windward Paris (February 2026).
• North StarcoreChannel Partner/ Reseller/ DistributorNorth Star is the UK's largest shipowner-operator, headquartered in Aberdeen with operations in Lowestoft, Newcastle, and Hamburg. Windward signed charter contracts for Windward Athens and Windward Paris through partnership with North Star for RWE O&M works. Windward provides vessels while North Star front-runs operations until their own ships are available. North Star operates 48 vessels including ERRVs and SOVs.

Scale indicators9 records

Recent moves7 records

Expansion highlights5 records

Others

• VARD: VARD is Windward's primary shipbuilder and design partner, a Fincantieri-owned specialist in offshore and specialized vessel construction based in Norway. VARD is the supplier (not a competitor) of all four Windward CSOVs and shares deep operational coupling through Seaonics as a VARD subsidiary.
• Tidewater Inc. Tidewater is a global offshore support vessel operator historically focused on oil and gas with growing renewables exposure. It is an adjacent, enabling vessel operator rather than a direct CSOV competitor but illustrates the broader offshore support vessel peer set Windward is benchmarked against.

Broad incumbents

• Eneti / Seaway 7: Seaway 7 (formerly part of Subsea 7) is a major offshore wind installation contractor operating WTIVs and support vessels. It is a broad incumbent in the offshore wind value chain with overlapping customer relationships but a different service focus on installation versus Windward's commissioning and O&M.
• Maersk Supply Service: Maersk Supply Service is a global offshore support vessel operator with a fleet that includes PSVs, AHTS, and SOVs serving offshore wind and oil and gas. It is a broad incumbent offering overlapping capabilities to offshore wind developers but with a much larger and more diversified vessel portfolio.

Direct peers

• Siem Offshore: Siem Offshore operates subsea construction, offshore support, and renewable energy service vessels including SOVs serving European offshore wind. It shares Windward's offshore vessel operator profile and customer base though with a more diversified subsea heritage.
• North Star Renewables: North Star is the UK's largest shipowner-operator with a 48-vessel fleet including SOVs and ERRVs serving the UK and German offshore wind markets. It is both Windward's channel partner for RWE contracts and a direct competitor operating its own SOV newbuilds.
• Cadeler: Cadeler is a Copenhagen-listed offshore wind vessel operator specializing in foundation installation and WTIV services with an emerging SOV fleet. It operates in adjacent offshore wind service vessel segments and shares key customers, vessels builders (VARD), and North Sea deployment patterns.
• Edda Wind: Edda Wind is a Norwegian pure-play CSOV/SOV operator established to serve the European offshore wind market with a growing newbuild fleet. It is the closest publicly listed pure-play comparable to Windward in vessel design, target customers, and geographic focus.
• ESVAGT: ESVAGT is a Danish SOV/ERRV operator that pioneered the dedicated offshore wind service vessel model and operates one of the largest European SOV fleets. It serves the same offshore wind developer customers (including RWE) and represents the established incumbent in the CSOV segment Windward is entering.

Regional players

• DOF Group: DOF is a Norwegian offshore vessel operator with PSV/AHTS and subsea vessels, with growing exposure to offshore wind support. It operates primarily outside Windward's core North Sea CTV/SOV niche but is comparable in vessel-operator business model and capital intensity.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/windwardoffshore

Revenue estimate

Valuation estimate

Number of profiles

Profiles13 records

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 Windward Offshore GmbH & Co. KG