McMahon Design and Management - MDM Engineering

What McMahon Design and Management - MDM Engineering does

MDM Engineering is a privately held subsea cable infrastructure engineering services firm headquartered in Dublin, Ireland, with a regional office in Madrid, Spain. Founded in 1994, the company delivers end-to-end project services across the full subsea cable lifecycle, organized around four integrated service phases: Strategic Planning & Assessment (feasibility, route analysis, environmental and regulatory compliance), Project Execution (marine surveys, vessel coordination, cable burial and protection), Landing Activities (shore-end landings, cable termination, local authority coordination), and Operations, Maintenance & Repair (monitoring, fault detection, emergency response). The firm's core technology stack is built on industry-standard cable laying and vessel coordination capabilities rather than proprietary tooling, with its primary asset being the accumulated expertise of a small, senior-heavy engineering team.

The firm serves telecommunications operators, government and public sector entities, and data center operators across Europe, with publicly showcased projects including the 1,500km IRIS cable (Iceland-Ireland), PISCES (Ireland-France-Spain-Portugal multi-jurisdiction system), Scylla (UK-Netherlands), and Rockabill (Irish Sea), plus the proposed Fastnet transatlantic route. MDM operates an enterprise field-sales model, engaging senior decision-makers directly through project-based professional services engagements with potential for recurring maintenance contracts; pricing is quote-based and not publicly disclosed. The company maintains a content-led marketing presence through its website and LinkedIn and has been publicly referenced in European Commission BCO Network materials on subsea telecommunications, signaling regulatory and policy-level visibility.

Name

McMahon Design and Management - MDM Engineering

Legal name

MDM Engineering

Website

https://mdmeng.ie

Company type

Private

Founded year

1994

Operating status

Operating

Headcount range

11–50 employees

Short description

MDM Engineering is a Dublin-based subsea cable infrastructure services firm serving telecom operators, governments, and data center operators across Europe. Founded in 1994, the 11-person company delivers end-to-end engineering — planning, cable laying, landings, and maintenance — across multi-jurisdiction projects.

Ownership category

akta.pro rank

Headquarters

HQ city

Dublin

HQ country

Ireland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Engineering and Project Management Services: MDM generates revenue through professional engineering services for subsea cable projects, including strategic planning, project execution, landing activities, and ongoing maintenance and repair. Revenue is derived from one-time project engagements with potential for long-term maintenance contracts.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

MDM Engineering is a subsea infrastructure engineering services firm that delivers end-to-end project management for subsea cable systems across Europe and beyond. Its core offering covers four integrated service phases: Strategic Planning & Assessment, Project Execution (marine surveys, cable laying, burial and protection), Landing Activities (shore-end landings, cable termination, authority coordination), and Operations, Maintenance & Repair. Services are delivered to telecom operators, governments, and data center operators, typically on a project-basis with potential long-term maintenance contracts.

Product overview

MDM Engineering is a subsea infrastructure engineering services company offering a unified portfolio of end-to-end services for subsea cable deployment. The core offering consists of four integrated service phases: Strategic Planning & Assessment (feasibility, risk, environmental evaluation), Project Execution (cable laying, marine surveys, burial and protection), Landing Activities (shore-end integration, termination, authority coordination), and Operations, Maintenance & Repair (monitoring, fault detection, emergency response). These services are delivered across landmark projects including PISCES (multi-country European connector), IRIS (Iceland-Ireland transatlantic link), Scylla (UK-Netherlands connection), Rockabill (Irish Sea secure system), and the proposed Fastnet transatlantic route. The company operates from Dublin, Ireland and Madrid, Spain, serving clients across Europe and beyond.

Differentiator

Problem solved

Functional benefit

Products and services

• Strategic Planning & Assessment Comprehensive project assessment and route analysis to ensure optimal subsea cable deployment, including feasibility studies, risk assessments, environmental impact evaluations, and regulatory compliance guidance. Target users are telecom operators, governments, and data center operators planning subsea infrastructure.
• Project Execution Precision-driven cable laying operations managing marine surveys, vessel coordination, cable burial, and protection strategies to ensure secure and efficient installation of subsea cable systems. Intended for telecom operators, governments, and data center operators.
• Landing Activities Seamless integration of subsea cables with onshore infrastructure, overseeing shore-end landings, cable termination, and coordination with local authorities. Designed for telecom operators and governments executing subsea-to-shore transitions.
• Operations, Maintenance & Repair Proactive monitoring, fault detection, and rapid-response repair services including periodic inspections, emergency repair capabilities, and long-term maintenance solutions to minimise downtime for subsea cable networks. Used by telecom operators and other infrastructure owners.

Quantifiable outcome

• IRIS project delivered on time with zero compromise on quality for 1,500km subsea cable

Named customers4 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators2 records

Recent moves5 records

Expansion highlights5 records

Broad incumbents

• NKT: NKT is a European cable manufacturer with submarine power and telecom cable capabilities, offering turnkey system delivery. It competes more as a broad incumbent cable supplier than as a pure subsea engineering services peer.
• Prysmian Group: Prysmian is the world's largest cable manufacturer with a dedicated submarine cable business, supplying and installing systems for telecom and energy customers. It is a broad incumbent that competes in cable supply and installation adjacent to MDM's services.

Direct peers

• DeepOcean: DeepOcean provides subsea engineering, survey, trenching, and installation services across offshore energy and telecommunications. It directly overlaps MDM's marine survey, cable burial, and project execution capabilities, with a stronger offshore-energy tilt.
• SubCom: SubCom is one of the largest submarine cable installers globally, providing end-to-end subsea cable system design, manufacturing, marine installation, and maintenance services — directly comparable to MDM's full lifecycle offering, but at vastly greater scale.
• Alcatel Submarine Networks (ASN): ASN, part of Nokia, designs, manufactures, and installs submarine cable systems globally, serving telecom operators and consortium-backed projects. ASN is a primary competitor for the same multi-jurisdiction flagship projects MDM targets.
• Global Marine Systems: Global Marine Systems is a UK-headquartered subsea cable installation and maintenance services provider with its own cable ship fleet. It directly parallels MDM's engineering-led delivery model for European and transoceanic cable projects.

Regional players

• Cinia: Cinia is a Finnish state-backed operator of submarine cables (e.g., C-Lion1) and digital infrastructure services in the Nordics. It is a regional player whose subsea cable projects engage similar engineering service providers to MDM.
• Aqua Comms: Aqua Comms operates a transatlantic subsea cable network (AEConnect, Havfrue) and partners with engineering firms for system delivery. It is a regional operator that engages the same vendor ecosystem MDM serves.

Others

• Fugro: Fugro is a leading marine geo-services and survey provider, supplying the hydrographic survey and route assessment work that underpins subsea cable projects. It is an enabling service provider rather than a direct installer competitor to MDM.

Emerging players

• Hexatronic Group: Hexatronic designs and supplies fiber optic infrastructure, including submarine cable systems and related engineering services. It is a smaller, emerging player competing in subsea cable design and supply adjacent to MDM's project scope.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/mdm-mcmahon-design-&-management

Revenue estimate

Valuation estimate

Number of profiles

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 McMahon Design and Management - MDM Engineering