FOYLE AND MARINE DREDGING LIMITED

What FOYLE AND MARINE DREDGING LIMITED does

Foyle and Marine Dredging Limited is a privately held specialist marine civil engineering contractor founded in 2008 and headquartered in Moville, Co. Donegal, Ireland, with regional offices in Letterkenny (ROI) and Derry/Londonderry (UK). The company provides project-based marine dredging, demolition, rock armour construction, underwater rock breaking, pipeline outfall installation, beach reclamation, and tug-and-work-boat services to port and harbour authorities, local councils, and tier-one construction principal contractors across the UK and Ireland. Notable completed projects include the Greencastle Breakwater (250,000 tonnes of rock placement for Donegal County Council, 2023), the Leith Outer Berth (88,000m³ of dredging and 9,300m³ of rock armour for Forth Ports via John Graham Construction, 2023-2024), the Arklow Harbour outer receive pit (95,000m³ dredging), and the South Bank Quay contaminated-material dredge (75,000m³).

The company executes work using a self-owned fleet of specialist marine plant, including backhoe dredgers (Dinopotes, TS01, Tara Marie with EX1200 triple-boom Grizzly), flattop and modular barges (Forth Guardsman, TS02), four tug boats (Austin B, Chloe May, Seal Carr, Willpower), a range of Hitachi long-reach excavators (EX1200-6 Grizzly with 30M outreach and 18M dredge depth, EX1200-7, ZX210-7, ZX300-7 SLF, ZX490-6 ME/SLF, ZX530-7, ZX890-7/SFL), and Bell B30E articulated dump trucks. Core technical capabilities include dredging to a maximum depth of -19m with a 4.5m³ bucket, contaminated-material handling via closed/visor bucket and clamshell methods, rock placement up to 10 tonnes at 30 metres, and precision excavation supported by the Prolec PCX dredge guidance system.

Revenue is generated through competitive public tendering, direct contract negotiation with port authorities and local councils, and subcontractor engagement with construction principals on larger infrastructure projects; pricing is project-specific and not publicly disclosed. The company holds ISO 9001, ISO 14001 and ISO 45001 integrated certification (SCS) and was shortlisted as a finalist in the 2024 Irish Construction Excellence (ICE) Awards, Civil Engineering Category, for the Greencastle Breakwater project. Ownership is private and founder/operator-led, with Stephen Mc Cormick serving as the primary contact across all offices, and no external investment, parent company, or institutional ownership signals are present in the available data.

Name

FOYLE AND MARINE DREDGING LIMITED

Legal name

Foyle and Marine Dredging Limited

Website

https://marinedredging.co.uk

Company type

Private

Founded year

2008

Operating status

Operating

Headcount range

11–50 employees

Short description

Foyle and Marine Dredging Limited is a privately held specialist marine dredging and coastal construction contractor founded in 2008, serving port authorities, local councils, and tier-one construction principals across the UK and Ireland with dredging, rock armour, demolition, and pipeline outfall services using a self-owned fleet of dredgers, barges, and long-reach excavators.

Ownership category

akta.pro rank

Product category

Marine Dredging Services

NAICS

Support Activities for Water Transportation (4883), Marine Cargo Handling (488320), Other Support Activities for Water Transportation (48839), Ship Building and Repairing (336611)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Ship & Boat Building & Repairing (3730), Water, Sewer, Pipeline, Comm & Power Line Construction (1623)

akta.pro primary industry

Port & Harbor Construction (Quays, Wharves, Berths) (IMAFAJAA)

akta.pro secondary industries

Dredging & Channel Deepening (Capital & Maintenance) (IMAFAJAB), Revetments, Groynes & Beach Nourishment (IMAFAJAD), Subsea & Nearshore Civil Works (Trenching, Rock Placement, Mattressing) (IMAFAJAI), Port Rehabilitation, Maintenance & Asset Renewal (Repairs, Strengthening) (IMAFAJAL), Sediment Remediation & Dredging (Capping, Removal, Confined Disposal) (EUAIALAG), Marine Terminals & Cargo Handling Infrastructure (RoRo, Bulk, Container) (IMAFAJAF)

Keywords

• Marine dredging services
• Port and harbour construction
• Rock armour placement
• Underwater rock breaking
• Marine pipeline outfalls

Headquarters

HQ city

MOVILLE

HQ country

United Kingdom

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Personnel, Infrastructure, Supply Chain, Marketing or Sales, Others

Revenue model

1. Marine Dredging Services: Project-based dredging services for ports, harbours, and coastal infrastructure. Revenue is earned through contracts for excavation, material removal, and disposal operations. Services include soft material dredging, rock breaking, and contaminated sediment handling with disposal to licensed sites.
2. Rock Armour and Coastal Protection: Supply and placement of rock armour for breakwaters, revetments, and groynes. Includes geotextile membrane placement and long-reach excavator operations for rock handling up to 10 tonnes at 30 metre distances.
3. Marine Demolition Services: Demolition of concrete and steel jetty structures, pile extraction, submerged pipeline removal, and vessel demolition using barge-mounted equipment and long-reach excavators.
4. Pipeline Outfall Construction: Construction and installation of marine outfall pipelines including trench excavation, pipe placement, and diffuser installation for wastewater and environmental applications.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Foyle and Marine Dredging provides specialist marine civil engineering services, principally dredging of ports, harbours, and approach channels using backhoe dredgers and spud-leg barges to depths of -19m. The company also delivers rock armour construction, underwater rock breaking, marine demolition and pile extraction, pipeline outfall installation, and beach reclamation, typically acting as principal contractor for port authorities and councils or as specialist subcontractor for civil construction firms across the UK and Ireland.

Product overview

Foyle & Marine Dredging is a specialist marine civil engineering company offering a comprehensive portfolio of dredging, demolition, and coastal construction services across the UK and Ireland. The company operates as a single unified service provider combining marine plant (dredgers, barges, tugs) with land-based plant (excavators, dump trucks) to deliver complex maritime infrastructure projects. Core services include dredging (up to -19m depth), rock armour construction, underwater rock breaking, pipeline outfall installation, beach reclamation, and marine demolition. The company operates a fleet of specialized equipment including the Dinopotes Dredger, TS01 Dredger, Tara Marie DredgeBarge, Forth Guardsman, and TS02 Flattop Barge, supported by tugs (Austin B, Chloe May, Seal Carr, Willpower), a range of Hitachi excavators (EX1200-6 Grizzly, EX1200-7, ZX series), and Bell B30E articulated dump trucks.

Differentiator

Problem solved

Functional benefit

Products and services

• Dredging Services Marine dredging services for ports and harbours using backhoe and spud-leg dredger methods, reaching maximum depth of -19m with 4.5 m³ bucket capacity. Includes contaminated dredging using closed/visor bucket or clamshell methods, with material loaded into hopper barges for treatment and disposal at licensed sites. Sold to port authorities, government bodies, and principal contractors in the UK and Ireland.
• Marine Demolition Services Demolition of concrete and steel jetty structures, steel and timber pile extraction, submerged pipeline removal, and vessel demolition performed from barges with long-reach excavators. Provided to port authorities, councils, and principal contractors requiring specialist access to structures that cannot be reached from land.
• Rock Armour Construction Construction of rock breakwaters, rock revetments, and rock groynes including geotextile membrane placement and rock handling using long-reach excavators capable of lifting and placing 10-tonne rocks at 30-metre reach. Sold to port authorities, local councils, and coastal protection developers in the UK and Ireland.
• Underwater Rock Breaking Underwater rock-breaking services using various configurations of barges, long-reach excavators, and rock-breaking tools to break and remove rock in marine environments. Delivered as part of dredging and harbour construction projects for port authorities and principal contractors.
• Pipeline Outfall Construction Construction and installation of marine outfall pipelines for wastewater, stormwater, and desalination plant effluents, including trench excavation, pipe placement, and diffuser installation. Provided to water utilities, environmental agencies, and local councils.
• Beach Reclamation Services Ethical and environmental beach reclamation services adhering to established standards, delivered as part of coastal and harbour schemes (for example pier refurbishment works with sand bypass dredging and beach replenishment). Sold to local councils and coastal infrastructure developers.
• Tug and Work Boat Services Marine tug boat operations with trained crews for barge towing, marine navigation, and health-and-safety compliance, supporting the company's own dredging and construction projects and offered as part of its marine service capability.
• Contaminated Dredging Services Specialist dredging for contaminated materials using closed/visor bucket or clamshell methods for handling hazardous sediment, with material loaded into hopper barges and disposed of at licensed treatment sites. Sold to port authorities and clients such as L & M Keating at Arklow Harbour and South Bank Quay.

Quantifiable outcome

• Maximum dredging depth of -19m achieved with 4.5m³ bucket capacity
• +2 more outcomes

Named customers17 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Ten partnerships are on record, tiered minor and core.

• Aggregate IndustriesminorChannel Partner/ Reseller/ Distributor · 1 January 2024Chartered by Aggregate Industries to deliver rock armour materials (68,240 tonnes total) to Cromer and Mundesley Coastal Management Schemes for Balfour Beaty projects.
• John Graham Construction LimitedcoreStrategic or Co-development Partner · 1 January 2023Current partnership for Leith Outer Berth project (Feb 23 to March 24). Scope includes demolition, dredging (88,000m³), and rock armour placement (9,300m³ primary). Also engaged for Clyde Waterfront Renfrew project.
• Donegal County CouncilcoreStrategic or Co-development Partner · 1 January 2023Client for Greencastle Breakwater project (2023) - principal contractor role for 250,000 tonne rock placement extending existing breakwater. Project shortlisted for 2024 ICE Awards.
• Mc Laughlin & HarveycoreStrategic or Co-development Partner · 1 January 2015Multiple project partnership across UK. Completed Nigg South Quay Development (2015), Teesport Phase 2 (2016), Invergordan Service Base, and UIG Harbour Redevelopment. Principal contractor engaging specialist dredging services.
• Irish Sea Contractors (ISC)minorStrategic or Co-development Partner · 1 January 2015Appointed as dredging subcontractor for Dunmore East Storm Outfall project. Trench excavation for 630MM HDPE pipeline installation coordinated with principal contractor ISC.
• Sorensen Civil Engineering ContractorsminorStrategic or Co-development Partner · 1 January 2015Appointed for Ardmore Waste Water Treatment Plant outfall (715M pipeline) and Stradbally Outfall (120M pipeline) projects. Rock breaking and pipeline installation services.
• L & M KeatingcoreStrategic or Co-development Partner · 1 January 2014Principal contractor partnership for Arklow Harbour dredging (2014) and Rossaveel Marina development (2016). Projects involved contaminated material handling and beach replenishment works.
• P&O FerriesminorStrategic or Co-development Partner · 1 January 2013Engaged through Mc Laughlin & Harvey for P&O Ferry Terminal Development at Cairnryan (2013). Dredging and scour protection placement works in proximity to live ferry operations.
• Graham ConstructioncoreStrategic or Co-development Partner · 1 January 2012Principal contractor relationship for Tayinloan Pier refurbishment (£2.3M contract for Argyle and Bute Council). FMD scope included sand bypass dredging, beach replenishment, outfall replacement, and pier demolition. Ongoing partnership evidenced by South Bank Quay project engagement.
• BAM NuttalcoreStrategic or Co-development Partner · 1 January 2012Long-standing principal contractor relationship. Completed Campbeltown New Quay Extension (2012) and Stromness Harbour pier construction (£9.2M). Dredging operations with spud-leg dredger Aoibheanne and split hopper barges.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Manson Construction Co. Manson Construction is a US dredging and marine construction firm with hopper, clamshell, and hydraulic dredging capability, plus heavy civil marine experience. Its service portfolio in dredging, rock placement, and pier/wharf work is highly comparable to Foyle & Marine Dredging's offering, even though its primary market is North America.
• Rohde Nielsen: Rohde Nielsen is a Danish marine contractor specializing in dredging, rock placement, and coastal protection across Northern Europe. Its service portfolio (capital and maintenance dredging, breakwater construction, beach nourishment) is closely aligned with Foyle & Marine Dredging's core offering, and it competes for similar tenders in the UK/Ireland marine civils market.
• Great Lakes Dredge & Dock Corporation: Great Lakes Dredge & Dock is a US-listed specialist dredging contractor offering capital and maintenance dredging, coastal protection, and marine construction. It is a direct functional peer to Foyle & Marine Dredging in dredging methodology and service mix, although it operates predominantly in North America.
• Weeks Marine: Weeks Marine is a US-based dredging and marine construction contractor focused on capital dredging, beach nourishment, and coastal restoration. Its core activities closely mirror Foyle & Marine Dredging's dredging, rock armour, and coastal protection services, making it a direct functional peer despite its US focus.

Broad incumbents

• DEME Group: DEME is a Belgian-headquartered global dredging, marine, and offshore contractor, comparable in service offering to Foyle & Marine Dredging across dredging, rock placement, and coastal protection. It is one of the leading European players competing for major UK and Irish marine infrastructure tenders.
• Van Oord: Van Oord is a Dutch-headquartered global marine contractor specializing in dredging, land reclamation, and offshore wind installation support. Like Boskalis, it competes with Foyle & Marine Dredging on UK/Ireland port and coastal projects but at much larger scale and balance sheet.
• Royal Boskalis Westminster: Royal Boskalis Westminster is a Dutch-listed global marine contractor and one of the world's largest dredging operators, directly comparable to Foyle & Marine Dredging in core service lines (capital and maintenance dredging, rock placement, coastal protection). It operates at vastly greater scale but competes on the same tender universe, especially for larger UK/Irish port and offshore wind-related marine civils.
• Jan De Nul Group: Jan De Nul is a Belgian family-owned global dredging and marine contractor covering capital dredging, land reclamation, rock works, and offshore services. It overlaps directly with Foyle & Marine Dredging's port construction, dredging, and rock armour capabilities but operates internationally at far greater scale.

Regional players

• Costain Group: Costain is a UK-listed infrastructure contractor that delivers port, coastal, and water infrastructure projects. It overlaps with Foyle & Marine Dredging in the broader marine civil engineering market and is often a principal contractor that could engage Foyle & Marine Dredging as a specialist subcontractor (or compete for the same tenders as principal).
• VolkerStevin: VolkerStevin is a UK-based civil engineering contractor with strong marine and coastal capabilities including quay walls, jetties, and port infrastructure. It overlaps with Foyle & Marine Dredging's UK marine civils footprint, though it generally acts as a principal contractor rather than a specialist dredging subcontractor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/marinedredging
• LinkedInlinkedin.com/company/foyle-and-marine-dredging-limited

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 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 FOYLE AND MARINE DREDGING LIMITED