Besi Marine Systems
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.
- Company typePrivate
- Founded1966
- HeadquartersBremen, Germany
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
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.
Besi Marine Systems firmographics
Firmographics- 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
Besi Marine Systems industry classification
Industry- 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
Where Besi Marine Systems is headquartered
LocationHeadquarters
- HQ city
- Bremen
- HQ country
- Germany
- HQ region
- Europe
Offices3 records
Markets served
Besi Marine Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- 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.
- Actuators Sales: Production and sale of hydraulic, electro-hydraulic, pneumatic, and electrical actuators for marine valve applications. Over 100,000 actuators assembled to date.
- Service and After-Sales Support: After-sales support services provided through global agent network for installed systems
- Spare Parts: Replacement parts and components for BESI marine systems
- Retrofit Services: Modernization and upgrade services for existing vessel systems
Go-to-market motion1 record
Distribution channels7 records
Marketing channels4 records
Besi Marine Systems product offering
Product offeringCore 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
Companies that use Besi Marine Systems
Customer profileNamed customers8 records
Segments5 records
Ideal customer profiles4 records
Besi Marine Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature10 records
Besi Marine Systems partnerships and signals
Strategic signalPartnerships
Nine partnerships are on record, tiered core and minor.
- Behrens PumpencoreCollaboration 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 BremencoreResearch 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 PumpenfabrikminorJoint exhibition partner at SMM 2024 in Hamburg. Shared booth to promote combined maritime solutions and gather innovative ideas for future technologies.
- EnvServiceminorJoint exhibition partner at SMM 2024 in Hamburg (Hall B6, booth 301). Part of collaborative presence at major maritime trade show.
- M.A.C. Systems SolutionminorJoint exhibition partner at SMM 2024 in Hamburg (Hall B6, booth 301). Part of collaborative presence at major maritime trade show.
- Hyman Marine & OffshoreminorJoint exhibition partner at SMM 2024 in Hamburg (Hall B6, booth 301). Part of collaborative presence at major maritime trade show.
- Hyman Marine & Offshore Co., LtdcoreChinese 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) LimitedcoreJoint 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 SupplyminorAgency 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
Besi Marine Systems competitors and assessment
Company assessmentDirect 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
Besi Marine Systems social profiles
Digital presenceBesi Marine Systems compliance and trust
Trust signalCompliance1 record
Besi Marine Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
Besi Marine Systems leadership team
Management profileNumber of profiles
Profiles2 records
Besi Marine Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Besi Marine Systems M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Besi Marine Systems
What does Besi Marine Systems do?
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.
Is Besi Marine Systems a public or private company?
Besi Marine Systems is a private company. It is classified as corporate owned and is currently operating.
When was Besi Marine Systems founded?
Besi Marine Systems was founded in 1966. It employs 11 to 50 people.
Where is Besi Marine Systems based?
Besi Marine Systems is headquartered in Bremen, Germany, in the Europe region.
How does Besi Marine Systems make money?
Five revenue lines are on record. Marine Flow Management Systems Sales are the primary driver. The others are actuators Sales, service and After-Sales Support, spare Parts and retrofit Services.
Who are Besi Marine Systems's main competitors?
Direct peers on record are Alfa Laval, Flowserve, KSB, Aalborg Industries and Rotork. Broad incumbents are Wärtsilä, Kongsberg Maritime and Emerson (Valves & Actuation). Bosch Rexroth is listed as an emerging player. Heinrich Behrens Pumpenfabrik is listed as an others.
Does Besi Marine Systems have an API?
No public API is recorded for Besi Marine Systems.
What industry is Besi Marine Systems in?
Besi Marine Systems's product category is Marine Flow Management Systems. Its primary akta.pro industry code is IMAJAIAI, Piping, Valves & Pumps (Deck/Service Systems Components), with a secondary code of TLAHAMAI, Retrofits, Upgrades & Compliance Conversions (Scrubbers, BWTS, Alternative Fuels, Energy-Saving Devices). Its NAICS code is 336611 and its SIC code is 3730.