We provide, technical and commercial services to private clients, non-governmental organisations, government bodies and international organisations worldwide.





Our Products

Designed or Manufactured by The Lobnitz Group Include:

  • Dock Gates
  • Ferry Terminals ( Pontoons & ramps)
  • Floating Docks
  • Floating Jetties & Pontoons
  • Floating Structures
  • Hydraulic Canal Lifts
  • Ship Lifts
  • Shiprepair Yards
  • Auger Dredges
  • Bucket Line Dredges
  • Bucket Line Dredges with Mineral Recovery Treatment Plant
  • Bucket Wheel Dredges
  • Combiminer
  • Combinaut
  • Cutter Suction Dredges
  • Dipper Dredges
  • Dustpan Dredges
  • Grab Dredges
  • Sand & Gravel Dredges
  • Split Trailing Hopper Dredges
  • Trailing Suction Hopper Dredges
  • Booster Stations – Floating
  • Booster Stations – Land Based
  • Dredging Systems & Components
  • Dredge Pumps
  • Floating Mineral Recovery Treatment Plants
  • Loading Towers
  • Mobile Mineral Recovery Treatment Plants
  • Sluice Valves
  • Cargo Ships
  • Container Ships
  • Crane Barges
  • Fishing Boats
  • Harbour Craft
  • Hopper Barges
  • Jack Up Rigs
  • Tugs
  • Work Boats

Why Choose Lobnitz Marine Holdings?

The Group’s objectives and criteria for success are simple and include technical excellence, commercial awareness, total flexibility and maximum service.

Combining the knowledge and experience of the core companies gives Lobnitz Marine a unique range of services to the marine industry, associated civil work interfaces and to engineering projects in general.

Delivery on Time

With many years experience we will plan and communicate every project with realistic and achievable timescales.

Certified Performance

You can rely on us to deliver the highest standards backed by the credentials you would expect.

No Hidden Costs

We will always make you aware of any potential costs and will discuss these with you as soon as we possibly can before you incur additional charges.

Your Project Partner

We will be with you every step of the way, whether you are simply chartering a workboat or dredging a marina.

Fast and Reliable

We will do our best to respond to the needs of our clients as swift and efficient as possible.

Certified Vessels

Our vessels and crew are trained and professional and certified for the tasks they carry out.


Clark & Standfield

Clark & Standfield specialise in all aspects of Naval Architecture, Marine and Floating Dock Engineering, Marine Technology and Civil-Marine interface projects.

Clients include Port Authorities, Government, Navies, Shipbuilders, Shiprepairers, Shipowners and Ship Operators.

AMC-CUF Floating Dock “Yagan”

Clark & Standfield Limited, established in 1873, are naval Architects Designers and Engineers dedicated to and specialists in floating docks, dock gates and associated equipment whose traditional design and expertise has, over the years, been widened to include all areas of Marine Technology and Ocean Engineering.

The company’s expertise and experience in the field of marine related structures enables it to undertake a wide variety of projects from the design of floating docks to the construction of hydraulic canal lifts including.

Clark & Standfield offers a complete range of engineering and commercial services for any or all of the various stages of construction – from initial design to final commissioning – for all types of marine/floating projects namely.

  • Floating Docks
  • Harbours
  • Floating Jetties & Pontoons
  • Drydock Gates
  • Shiplifts
  • Harbour Craft
  • Ocean-going Ships and Inland Waterway Vessels
  • Floating Cranes
  • Ferry Terminals - Pontoons & Linkspans
  • Canal Lifts
  • Feasibility Studies
  • Design Services
  • Tender Preparation & Evaluation
  • Manufacturing Drawings & Engineering Specifications
  • Engineering, Inspections and Supervision Services
  • Project Management
  • Commissioning Services
  • Structural Strength Investigations
  • Surveys and Condition Reports

Some of Clark & Standfield's Previous Projects

Balder FPU Greenwater Protection
Portland Floating Dock Towage Plan & Design
Portland Floating Dock Towage Plan & Design
Grand Bahama Floating Dock 80,000TLC


Alluvial Dredges Ltd.

Alluvial is a highly experienced on-site dredge builder, having supplied some 22 countries – from North America to New Zealand, from Russia to Brazil.

Alluvial services include site evaluation, project feasibility, engineering design, procurement, inspection and project management.

Designers and suppliers of a wide range of dredges and treatment plants to recover alluvial gold, diamonds, tin and other precious heavy minerals.

A.D.L.’s products range from buckete  dredges with onboard treatment plant through small mobile skid or trailer mounted jig plants, support and ancillary craft ,range of components such as buckets and pins, trommel screens, distributions systems, radial and rectangular.

Diamond Recovery Dredges

Alluvial Dredges Ltd., with it’s historic roots dating from Clyde Shipyards of the early nineteeth century, continues to provide services and equipment to the specialised Alluvial mining industry world wide.

As the demand for precious and insustrial minerals is ever increasing, the need to select the correct equipment to operate on Alluvial deposits is of paramount importance.

While Alluvial Dredges Limited retain standard designs for a variety of equipment, each project is unique and requires an individual solution abd therefore the equipment offered to the client is developed from these standards to best suit the individual deposit/project.

In addition to this hardware range, Alluvial Dredges Limited offers to the industry comprehensive range of technical and commercial services, covering any, or all of the following:

  • Bucket Line Dredges
  • Cutter Suction Dredges
  • Bucketwheel Dredges
  • Backhoe Grab Dredges
  • Floating Treatment Plants
  • Static and Mobile Land Treatment Plants
  • Mineral Recovery Equipment
  • Feasibility Studies
  • Efficiency Studies
  • Dredge Rehabilitation
  • Equipment Design
  • Manufacturing Drawings
  • Engineering Specifications
  • Procurement and Inspection
  • Project Management

Some of Alluvial Dredges Previous Projects

Grande Cote 8000 t/hr Cutter Suction Dredger Design
Grande Cote 8000 t/hr Cutter Suction Dredger Design
Mobile Gold & Diamond Recovery Jig Plants
Beenup Bucket Wheel Mining Dredge


Seadrec Limited

Seadrec Limited specialises in dredge and associated ship construction based on over 150 years of experience in designing and supplying all types of dredges, dredging systems and components to the Civil Dredging Industry, e.g. Port Authorities, Dredging Contractors & Marine Aggregate Producers.

Seadrec is a company totally dedicated to dredging technology, fully conversant and experienced in all aspects of dredge design, construction and supply.

The products range from complete vessels through dredging systems, equipment modules, to individual components.

Arco Avon - Conversion To Dredging Loadline

Seadrec Ltd., established in 1969 and founded on a history of more than 180 years of continuous involvement in dredge and associated ship construction, is a company totally dedicated to all aspects of dredging technology.

The company specialises in designing, engineering and supplying;

Seadrec is a customer focused iosatin commited to listening to their clients and thereafter meeting their specific requirements, whether the supply of a turnkey package or alternatively the provision of any, or all of the following services.

  • Suction Hopper Dredges
  • Cutter Suction Dredges
  • Bucket Dredges
  • Grab Dredges
  • Split Trailing Hopper Dredges
  • Sand and Gravel Dredges
  • Dredge Pumps
  • Dredging Systems and Components
  • Dredging Valves
  • Design and Supply of Dredging Systems and Components
  • Design Services and Technical Assistance to facilitate local construction of the Vessels
  • Engineering Services relating to Procurement, Planning and General Consultancy
  • Engineering, Inspections and Supervision Services during manufacture and construction of the works
  • Supply of Individual Components as replacements/spare parts to existing dredging installation
  • Harbour Craft
  • Ocean-going Ships and Inland Waterway Vessels
  • Floating Cranes
  • Ferry Terminals - Pontoons & Linkspans
  • Canal Lifts

Some of Seadrec's Previous Projects

1000M3 Splithull Hopper Dredge "Atchafalaya"
Dipper Dredge
Trailing Suction Hopper Dredger

Companies Who Trust Us

Software We Use

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Software We Use - Office 365

Lobnitz Marine Holdings