Besi Marine Systems

What Besi Marine Systems does

BESI Marine Systems GmbH is a designer, manufacturer, and service provider of flow management systems for the marine industry, headquartered in Bremen, Germany, and operating since 1966. The company specializes in three core systems — Remote Controlled Valves (RCV), Tank Level Gauging (TLG), and Anti-Heeling Systems (AHS) — supplemented by a proprietary actuator family (hydraulic, electro-hydraulic, pneumatic, and electrical), regulating and manual valves, and supporting spare parts, service, and retrofit offerings. Products are integrated into shipboard tank management, ballast and cargo valve control, and stability systems on a range of vessel types including cruise ships, river cruise vessels, multi-purpose cargo ships, bulk carriers, and oil/chemical tankers.

The company's revenue model is anchored in B2B hardware sales of complete flow management systems and actuators to shipyards (for newbuilding) and shipowners (for retrofit), augmented by recurring service revenue from spare parts, after-sales support, and modernization contracts. Pricing is quote-based and not publicly disclosed. Production is split between facilities in Bremen, Germany and Poland, while sales and after-sales support are delivered through direct enterprise engagement and a global agent network of more than 20 representatives covering Europe, the Middle East, Asia/Far East, and South America.

BESI has equipped over 6,500 vessels with its systems across 55+ years of operation, including 1,800+ RCV systems, 500+ TLG systems, 100,000+ actuators, and 150+ Anti-Heeling Systems. The company has been owned by BESI Holding Verwaltungs-GmbH since 2022, with Christian Wichmann and Thomas Priebe serving as Managing Directors. Recent strategic activity includes an R&D collaboration with the University of Bremen on smart energy-saving algorithms for ship pumps (2025-2026), continued wins in the cruise vessel segment at a Finnish shipyard, and entry into India's floating dry dock segment via partnership with Marine Electricals.

Name

Besi Marine Systems

Legal name

BESI Marine Systems GmbH

Website

https://besi.de

Company type

Private

Founded year

1966

Operating status

Operating

Headcount range

11–50 employees

Short description

BESI Marine Systems GmbH designs and manufactures marine flow management systems — remote controlled valves, tank level gauging, and anti-heeling systems — for global shipyards and shipowners, supported by proprietary actuators and a 20+ agent worldwide service network.

Ownership category

akta.pro rank

Product category

Marine Flow Management Systems

NAICS

Ship Building and Repairing (336611), Fluid Power Valve and Hose Fitting Manufacturing (332912), Measuring, Dispensing, and Other Pumping Equipment Manufacturing (333914)

SIC

Ship & Boat Building & Repairing (3730), Industrial Instruments For Measurement, Display, And Control (3823), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Piping, Valves & Pumps (Deck/Service Systems Components) (IMAJAIAI)

akta.pro secondary industries

Retrofits, Upgrades & Compliance Conversions (Scrubbers, BWTS, Alternative Fuels, Energy-Saving Devices) (TLAHAMAI), Piping, HVAC & Fluid Systems (Fuel, Ballast, Firemain, Refrigeration) (TLAHAMAF)

Keywords

• Marine flow management
• Remote controlled valves
• Tank level gauging
• Anti-heeling systems
• Marine valve actuators

Headquarters

HQ city

Bremen

HQ country

Germany

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Marine Flow Management Systems Sales: Sale of complete flow management systems including Remote Controlled Valves, Tank Level Gauging, and Anti-Heeling Systems to shipyards and ship owners for newbuilding and retrofit projects.
2. Actuators Sales: Production and sale of hydraulic, electro-hydraulic, pneumatic, and electrical actuators for marine valve applications. Over 100,000 actuators assembled to date.
3. Service and After-Sales Support: After-sales support services provided through global agent network for installed systems
4. Spare Parts: Replacement parts and components for BESI marine systems
5. Retrofit Services: Modernization and upgrade services for existing vessel systems

Go-to-market motion1 record

Distribution channels7 records

Marketing channels4 records

Core offering

BESI Marine Systems GmbH designs, manufactures, and services flow management systems for the marine industry, offering three core product lines — Remote Controlled Valve Systems (RCV), Tank Level Gauging Systems (TLG), and Anti-Heeling Systems (AHS) — supported by a proprietary range of hydraulic, electro-hydraulic, pneumatic, and electrical actuators plus regulating and manual valves. The company delivers tailor-made tank management and valve control solutions for newbuilding and retrofit projects to shipyards and ship owners worldwide, backed by spare parts, after-sales service, and retrofit services.

Product overview

BESI Marine Systems is a designer, manufacturer, and service provider of FLOW MANAGEMENT SYSTEMS for the marine industry, established in 1966 and headquartered in Bremen, Germany. The company offers an integrated portfolio of three core systems—Remote Controlled Valves (RCV), Tank Level Gauging (TLG), and Anti-Heeling System (AHS)—supported by a comprehensive range of actuator products (Hydraulic, Electro-Hydraulic, Pneumatic, and Electrical Actuators) and valve components (3/2-Way Regulating Valves and Manual Operated Valves). Products are proven in over 6,500 maritime applications with over 1,800 Remote Controlled Valves Systems, 500 Tank Level Gauging Systems, 100,000+ actuators, and 150 Anti-Heeling Systems delivered. The company supplements its product portfolio with Spareparts, Service, and Retrofit solutions, supported by a global network of 20+ representatives across Europe, Middle East, Asia, and South America.

Differentiator

Problem solved

Functional benefit

Products and services

• Remote Controlled Valve (RCV) System Remote-controlled valve systems for marine tank management, enabling automated valve control from a central command position on a vessel. Sold to shipyards and ship owners for newbuilding and retrofit programs.
• Tank Level Gauging (TLG) System Tank level measurement and monitoring systems for precise liquid cargo and ballast tracking on marine vessels. Sold to shipyards and ship owners for newbuilding and retrofit programs.
• Anti-Heeling System (AHS) Ship stability control system that automatically adjusts vessel list by redistributing ballast water, primarily for passenger vessels including cruise ships and river cruise ships. Sold to shipyards and ship owners.
• Hydraulic Actuators Hydraulically-powered actuators for operating marine valves in demanding environments; part of BESI's actuator product family with over 100,000 actuators assembled to date.
• Electro-Hydraulic Actuators Electrically-controlled hydraulic actuators combining electric control precision with hydraulic power for marine valve operations.
• Pneumatic Actuators Air-powered actuators for valve control applications in marine environments.
• Electrical Actuator Electrically-powered actuators for remote valve control, used in River Cruise Ship applications with hybrid propulsion systems.
• 3/2-Way Regulating Valves Precision regulating valves for controlling flow in marine fluid systems with three-port/two-position configuration.
• Manual Operated Valves Manually-operated valves for marine applications requiring direct operator control.
• Spare Parts Replacement parts and components for BESI's valve control and gauging systems, supporting the installed base across the global agent network.
• After-Sales Service After-sales support, maintenance, and technical service for installed BESI systems, delivered through 20+ worldwide agents.
• Retrofit Services Modernization and upgrade services for existing vessel systems to integrate BESI's latest technology, addressing aging fleets and regulatory upgrades.

Quantifiable outcome

• 100,000+ actuators assembled and in operation
• +2 more outcomes

Named customers8 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability2 records

Feature10 records

Partnerships

Nine partnerships are on record, tiered core and minor.

• Behrens PumpencoreStrategic or Co-development Partner · 21 March 2025Collaboration on Smart Energy Saving for Ship Pumps project approved by Bremer Aufbau-Bank. Joint development of innovative solutions to improve energy efficiency in maritime cooling systems, including smart control systems for centrifugal pumps and optimization algorithms.
• IAT at the University of BremencoreStrategic or Co-development Partner · 21 March 2025Research partnership for Smart Energy Saving for Ship Pumps project. IAT contributes academic expertise for developing algorithms to analyze cooling systems and predict energy savings. Project runs from January 2025 to end of 2026.
• Heinrich Behrens PumpenfabrikminorGTM or Marketing Partner · 3 September 2024Joint exhibition partner at SMM 2024 in Hamburg. Shared booth to promote combined maritime solutions and gather innovative ideas for future technologies.
• EnvServiceminorGTM or Marketing Partner · 3 September 2024Joint exhibition partner at SMM 2024 in Hamburg (Hall B6, booth 301). Part of collaborative presence at major maritime trade show.
• M.A.C. Systems SolutionminorGTM or Marketing Partner · 3 September 2024Joint exhibition partner at SMM 2024 in Hamburg (Hall B6, booth 301). Part of collaborative presence at major maritime trade show.
• Hyman Marine & OffshoreminorGTM or Marketing Partner · 3 September 2024Joint exhibition partner at SMM 2024 in Hamburg (Hall B6, booth 301). Part of collaborative presence at major maritime trade show.
• Hyman Marine & Offshore Co., LtdcoreChannel Partner/ Reseller/ Distributor · 8 August 2024Chinese sales agent providing tremendous support in Chinese shipbuilding market. Supports BESI's presence in China including 1250 TEU Open Top Container Vessels project and bulk carrier projects. Located in Shanghai.
• Marine Electricals (India) LimitedcoreStrategic or Co-development Partner · 11 April 2024Joint partnership to equip a floating dry dock in India with 4,000 MT lifting capacity. BESI supplies RCV, TLG, DMS, PCS, and DEF systems. This partnership combines BESI's marine systems expertise with Marine Electricals' local market presence.
• DDP SupplyminorChannel Partner/ Reseller/ Distributor · 9 March 2023Agency agreement signed with DDP Supply located in Gdynia, Poland for territory of Poland. Expert in organizing supply chains for maritime business with excellent contacts to Polish shipyards, ship owners, and ship designers.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Alfa Laval: Global marine equipment supplier offering fluid handling, separators, boilers and pumping systems for shipyards and shipowners. Directly overlaps with BESI's marine flow management portfolio at a far broader scale.
• Flowserve: Global supplier of pumps, valves, seals and automation for marine, oil & gas and process industries. Overlaps with BESI on marine pumps, valves, and remote valve control systems.
• KSB: German-headquartered manufacturer of pumps, valves and related systems with a strong marine and shipbuilding product line. Direct competitor on shipboard pumps, valves and flow management.
• Aalborg Industries: Specialty supplier of marine HVAC, thermal and fluid systems, including components used on commercial vessels. Competes with BESI for marine system integration slots on newbuilds.
• Rotork: World-leading manufacturer of electric, hydraulic and pneumatic valve actuators and gearboxes. A direct competitor to BESI's actuator portfolio across marine and process industries.

Broad incumbents

• Wärtsilä: Major marine systems integrator providing ship power, propulsion, gas systems and digital services. Overlaps broadly with BESI on marine vessel auxiliary systems and shipowner relationships.
• Kongsberg Maritime: Provides integrated marine systems including automation, tank gauging and stability solutions. Touches BESI's TLG and AHS product territory through broader ship-integrated offerings.
• Emerson (Valves & Actuation): Diversified automation major providing valve actuators (incl. legacy EIM and Bettis brands), process control and asset management that competes with BESI actuators and remote valve control systems.

Emerging players

• Bosch Rexroth: Manufacturer of hydraulic systems, actuators and motion control used widely on ships and offshore platforms. Overlaps with BESI's hydraulic and electro-hydraulic actuator offering on marine applications.

Others

• Heinrich Behrens Pumpenfabrik: German pump manufacturer collaborating with BESI on the Smart Energy Saving for Ship Pumps project. An adjacent supplier rather than direct competitor, but indicative of the close ecosystem of marine fluid-system specialists.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/besi-marine-systems

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Besi Marine Systems