Ems Maritime Offshore

What Ems Maritime Offshore does

Ems Maritime Offshore GmbH (EMO) is a German offshore services provider and a wholly-owned subsidiary of Aktien-Gesellschaft "EMS" (AG EMS), the Emden-based ferry and shipping group. Founded in 2010, EMO delivers integrated maritime support to offshore wind farm developers and operators across the North and Baltic Seas, with operational bases in Emden, Borkum, Eemshaven (Netherlands), and Sassnitz-Mukran (Rügen). The company's service portfolio spans crew transfer vessel (CTV) charter management through the WINDEA fleet (WINDEA ONE, THREE, FOUR, SIX — modern vessels under German flag with capacity for up to 24 passengers), 24/7 maritime coordination and sea-area observation via the proprietary VENTUSmarine coordination center, port agency and logistics services, technical and nautical ship management, and specialized infrastructure including a Heliport and DronePort at Eemshaven. EMO also acts as a long-term O&M base operator, as exemplified by its 2025 contract with Vattenfall for the Nordlicht 1 & 2 offshore wind project.\n\nEMO's commercial model is built on direct enterprise sales and negotiated long-term service contracts rather than transactional or self-serve channels. Charter requests are submitted via dedicated department email contacts (Chartering, Operations, Port & Logistics, Technical & Engineering), and pricing is not publicly disclosed. Revenue streams include vessel charter transaction fees (core maritime services), professional services fees for coordination, QHSE advisory, and audits, agency/logistics fees at service ports, and managed-services fees for heliport/DronePort operations. The customer base is concentrated among tier-1 offshore wind developers, OEMs, and operators, with named contracts including Vattenfall (Nordlicht O&M base), Vestas (Sassnitz-Mukran buildings management and agency services), and Parkwind (company building rental at Sassnitz-Mukran).\n\nOperationally, EMO holds ISO 9001, ISO 14001, and ISO 45001 certifications from Bureau Veritas, is a certified member of the Achilles supplier directory, and operates under a Document of Compliance (DOC) from the Federal Republic of Germany — collectively pre-qualifying it for major offshore wind tenders. The company participates in the WINDEA Offshore joint venture alongside Bernhard Schulte Offshore and Buss Offshore Solutions, and benefits from broader AG EMS group synergies including sister-company Reederei Cassen Eils (Cuxhaven and Heligoland access) and OFD (air services). The technology backbone is the VENTUSmarine in-house coordination platform supported by domain-specialized nautical personnel rather than AI-driven systems. With approximately 90 employees, EMO operates as a specialized mid-sized niche provider rather than a scaled platform, with growth tied to European offshore wind capacity build-out in the German and Dutch North Sea and German Baltic Sea.

Name

Ems Maritime Offshore

Legal name

EMS Maritime Offshore GmbH

Website

https://offshoreservice.de

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

51–100 employees

Short description

Ems Maritime Offshore is a German offshore services company providing crew transfer vessels, 24/7 maritime coordination, port logistics, ship management, and O&M base operations to offshore wind developers and operators across the North and Baltic Seas.

Ownership category

akta.pro rank

Product category

Offshore Maritime Services

NAICS

Support Activities for Water Transportation (4883), Navigational Services to Shipping (48833)

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 Passenger Transport (Oil & Gas Crew Transfer) (THABAGAF), Offshore/Remote Port Call & Anchorage Services (Launch Boats, Crew Boats, Supply Runs) (TLAHAJAM), Offshore Pilots (STF/STL, FPSO/FSO, Offshore Terminals) (TLAHAGAD), Marine Service Provider Coordination (Diving, Inspection, Class/Survey Support) (TLAHAJAI)

Keywords

• Offshore wind services
• Crew transfer vessels
• Maritime coordination
• Port logistics
• Offshore wind support

Headquarters

HQ city

Emden

HQ country

Germany

HQ region

Europe

Offices5 records

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. Maritime Services (Charter Management & Crew Transfer): EMO operates its own fleet of modern Crew Transfer Vessels (CTV) under German flag with passenger capacity up to 24 people. Revenue is generated through vessel charter contracts transporting specialist personnel and goods to offshore wind projects. This is the core maritime services revenue stream.
2. Coordination & Technical Services: Nautical specialists provided for coordination processes, HSE coordination, client representatives, maritime observation, audits & surveys, and technical/nautical ship management. Revenue from professional service contracts.
3. Port & Logistics Agency Services: Agency services including ship clearance, crane service, crew change, transport, logistics coordination, spare parts procurement, and warehouse/location management at Eemshaven and Sassnitz. Revenue from agency fees and service contracts.
4. Heliport & DronePort Operations: Operation of own heliport in Eemshaven for wind turbine maintenance, ambulance/trauma flights, pilot relocation; and DronePort for drone-based goods transport, emergency support, surveillance, and inspections.
5. Ship Management: Technical and nautical ship management services covering maintenance, shipyard supervision, construction supervision, nautical and technical inspections, quality and safety standards implementation.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Ems Maritime Offshore operates an owned fleet of German-flag crew transfer vessels (CTVs) to transport specialist personnel and goods to offshore wind farms, and delivers 24/7 maritime coordination through its proprietary VENTUSmarine sea-area observation center. The company also provides integrated port agency services, location/site management, technical and nautical ship management, and operates a Heliport and DronePort in Eemshaven, serving offshore wind developers, operators, and service companies across the North and Baltic Seas.

Product overview

Ems Maritime Offshore (EMO) is a maritime services company offering an integrated portfolio of offshore wind farm support services. The core offerings center on crew transfer vessel (CTV) charter management through the WINDEA fleet (WINDEA ONE, THREE, FOUR, SIX), combined with 24/7 maritime coordination via VENTUSmarine for sea observation and marine coordination. Port and logistics services include agency services, location management, and shipmanagement across multiple service ports. The company also operates specialized infrastructure including a Heliport and DronePort in Eemshaven for personnel and cargo transport to offshore wind farms.

Differentiator

Problem solved

Functional benefit

Brands

• VENTUSmarine: In-house maritime coordination center offering 24/7 sea observation for offshore wind farms and marine coordination services
• DronePort Eemshaven

Products and services

• Charter Management Transport of specialist personnel and goods to offshore wind projects using a fleet of modern Crew Transfer Vessels (CTV) sailing under German flag with passenger capacity of up to 24 people, available for charter by offshore wind developers, operators, and service companies.
• WINDEA Fleet (Crew Transfer Vessels) Modern fleet of crew transfer vessels under German flag consisting of WINDEA ONE, WINDEA THREE, WINDEA FOUR, and WINDEA SIX, adapted for offshore wind farm operations in the North and Baltic Seas with up to 24-passenger capacity per vessel.
• VENTUSmarine Maritime Coordination Center In-house 24/7 maritime coordination center staffed with experienced nautical watch officers, offering sea observation for wind farms, marine coordination services, registration processes for personnel entering wind farms, and ship inspections.
• Coordination Services Provision of nautical specialists for HSE coordination, client representatives, maritime observation, audits and surveys, and advisory services for the acquisition of maritime technologies, supporting offshore wind project execution.
• Agency Services Comprehensive port agency services including ship clearance, crane service, provision of accommodation, crew change, transport, coordination of logistics processes, and provision of spare parts, delivered at EMO's port locations.
• Location Management Advisory services for finding optimal construction sites, management of commercial buildings for customers (e.g., Vestas and Parkwind at Sassnitz-Mukran), and comprehensive property planning from construction through acceptance and management.
• Ship Management Technical and nautical management services delivering high ship availability, transparent technical condition information, and 24/7 operational readiness, covering maintenance, shipyard supervision planning, construction supervision, and nautical/technical inspections.
• Heliport Eemshaven EMO-operated heliport in Eemshaven supporting offshore wind turbine maintenance, ambulance and trauma flights, and pilot transfer operations for offshore crews.
• DronePort Eemshaven Drone facility offering transport of goods, emergency support, surveillance, and inspections, structured as an open model providing space for start-ups and scale-ups focused on unmanned technologies.

Named customers3 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Five partnerships are on record, tiered flagship, core and minor.

• VattenfallflagshipStrategic or Co-development Partner · 26 August 2025Vattenfall signed a contract with EMO for use of an operations facility at Eemshaven as its O&M base for the Nordlicht 1 & 2 offshore wind project. EMO will construct a purpose-built operations building (completion October 2026) with high sustainability standards, and will handle SOV/Crew Transfer Vessel service contracts. This is a major strategic customer and partner for EMO.
• WINDEA Offshore GmbH & Co. KGcoreStrategic or Co-development PartnerJoint venture for the offshore wind industry founded in 2011, consisting of partners Bernhard Schulte Offshore GmbH, Buss Offshore Solutions GmbH & Co. KG, and Ems Maritime Offshore GmbH. WINDEA vessels (WINDEA ONE, THREE, FOUR, SIX) are part of EMO's fleet. EMO operates these vessels as part of the joint venture.
• AG EMS (Aktien-Gesellschaft 'EMS')coreStrategic or Co-development PartnerParent company of EMO. AG 'EMS' operates the shipping line service from Emden and Eemshaven (Borkumlijn) to the North Sea island of Borkum. The AG 'EMS' has several subsidiaries. EMO is a 100% owned subsidiary of AG EMS. AG EMS provides the outer harbour terminal berths that EMO uses and is the source of corporate imagery on the website.
• OFD (Offshore Fluug Dienst)minorStrategic or Co-development PartnerCompany of the AG 'EMS' group, based at Emden airport. Offers flights to the islands of Borkum and Heligoland, including charter and cargo flights. Part of the broader AG EMS group network accessible to EMO clients.
• Reederei Cassen EilsminorChannel Partner/ Reseller/ DistributorSister company of EMO within the AG 'EMS' group. Through Reederei Cassen Eils, EMO has access to quay, storage, and logistics areas in Cuxhaven and on the offshore island of Heligoland, strategically positioning EMO for offshore projects in the HelWin and SylWin clusters.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• ESVAGT: Danish-headquartered offshore service vessel operator with a large SOV and CTV fleet dedicated primarily to European offshore wind. ESVAGT is the closest direct competitor to EMO in crew transfer and offshore coordination services for the North Sea wind market.
• Edda Wind: Norwegian pure-play CTV operator purpose-built for European offshore wind, listed on Oslo Børs. Directly comparable to EMO on CTV fleet configuration and customer base of European wind developers.
• WINDEA Offshore: Joint venture in which EMO participates alongside Bernhard Schulte Offshore and Buss Offshore Solutions. Operates the WINDEA CTV fleet from which EMO derives much of its charter capacity, making it both partner and direct comparable.
• North Star Renewables: UK-based operator of SOVs and CTVs serving European offshore wind farms. Comparable to EMO in targeting the same North Sea wind developer customer base with similar vessel-based service offerings.
• Acta Marine: Dutch offshore support vessel owner-operator with CTVs and SOVs serving European offshore wind. Geographic overlap with EMO's Netherlands operations (Eemshaven) and similar service scope.

Emerging players

• Tidal Transit: UK-based specialist CTV operator for offshore wind. Smaller and more regionally focused than EMO, but competes for the same CTV charter contracts in the European offshore wind market.
• Ampelmann Operations: Dutch provider of motion-compensated gangway systems and offshore access solutions for wind and oil & gas crews. Adjacent peer offering complementary crew-transfer technology to the same offshore wind customers EMO serves.

Broad incumbents

• BOURBON Offshore: French-headquartered global offshore marine services provider with CTVs, PSVs, and broader OSV capability. Larger and broader-portfolio incumbent relative to EMO's specialized offshore wind focus.
• Vroon Offshore: Dutch offshore and shipping group with a sizeable offshore wind support vessel fleet alongside broader maritime operations. Larger and more diversified than EMO but with overlapping North Sea wind customer base.

Others

• Reederei Cassen Eils: Sister company of EMO within the AG EMS group, providing quay, storage, and logistics in Cuxhaven and on Heligoland. Provides shared infrastructure enabling EMO's HelWin/SylWin market access rather than competing directly.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/EmsMaritimeOffshore
• LinkedInlinkedin.com/company/ems-maritime-offshore-gmbh
• Instagraminstagram.com/emsmaritimeoffshore
• Xx.com/EMSMaritime

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 records

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 Ems Maritime Offshore