Naval Architecture
& Marine Surveying
Professional passenger boat coding, vessel surveys, stability documentation and naval architecture — delivered with 30+ years of technical precision and regulatory expertise.
Expert Marine Services
From initial concept through to full certification — McCollam Marine provides the technical expertise and regulatory knowledge your vessel project demands.
Passenger Boat Coding
Guidance and survey support for passenger vessel coding and compliance with all applicable Codes of Practice.
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Boat Surveys
Pre-purchase, insurance and condition surveys across all vessel types — accurate, thorough and independently delivered.
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Naval Architecture
Design support, structural input and full documentation from concept through to delivery — built for real use.
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Stability
Stability calculations and documentation aligned with your vessel's operational profile and regulatory requirements.
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Fishing Vessels
Specialist services for commercial fishing vessels — surveys, compliance support and inspection requirements.
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Tonnage Certification
Tonnage measurement and certification for vessel registration and compliance across all regulatory frameworks.
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Excellence
Built on Precision,
Trusted by Industry
McCollam Marine is a naval architecture and marine surveying practice with over three decades of proven expertise across Northern Ireland, Ireland and the wider UK.
Whether you operate passenger vessels, fishing fleets, patrol craft or leisure boats — we bring the same technical standards, regulatory clarity and practical knowledge to every project.
Vessels We Serve
Technical expertise and regulatory support across the full spectrum of commercial and leisure vessels.
Fishing Vessels
Specialist services for commercial fishing vessels and inspection requirements.
Passenger Vessels
Coding, documentation and compliance support for passenger operations.
Patrol & Rescue
Technical support, surveys and documentation for specialist operational vessels.
Leisure Craft
Surveys and professional advice for owners, buyers and insurers.
Project Gallery
"Regulatory-first from day one — deliverables built for owners, yards and surveyors to action quickly."McCollam Marine
Technical Precision.
Regulatory Clarity.
Regulatory-First
Deliverables aligned with relevant standards and approval pathways from day one.
Clear Outputs
Documentation written for owners, yards and surveyors to understand and act on quickly.
Technical Precision
Accurate drawings, calculations and stability documentation built for real-world use.
Efficient Turnaround
Structured workflow to keep your project moving and reduce costly delays.
Tell Us About Your Vessel
Describe your vessel, objectives and timeline. We'll advise on the best next steps and provide a clear plan of work.
Based in Northern Ireland · Serving Ireland, UK & Beyond