McCollam Marine
Naval Architecture & Marine Surveying
Passenger boat coding, surveys, stability documentation and naval architecture services across Northern Ireland, Ireland, the UK and beyond.
View Services Contact UsWhat We Do
Passenger Boat Coding
Guidance and survey support for passenger vessel coding and compliance.
Boat Surveys
Pre-purchase, insurance and condition surveys across vessel types.
Naval Architecture & Design
Design support, structural input and documentation from concept to delivery.
Stability
Stability calculations and documentation aligned with operational profile.
Tonnage Certification
Tonnage measurement and certification support for registration and compliance.
Who We Work With
Fishing Vessels
Specialist services for commercial fishing vessels and inspection requirements.
Passenger Vessels
Support for coding, documentation and compliance 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.
Why Choose McCollam Marine
Professional naval architecture, stability and certification support delivered with clarity, precision and full regulatory alignment.
Regulatory-First
Deliverables aligned with relevant standards and approval pathways from day one.
Clear Outputs
Documentation written for owners, yards and surveyors to action quickly.
Technical Precision
Accurate drawings, calculations and stability documentation built for real use.
Efficient Turnaround
Structured workflow to keep projects moving and reduce delays.
Certifying Authorities
Authorised Surveyor
McCollam Marine is an authorised surveyor for YDSA, YBDSA, Mecal, SEAFISH and the MCA. We support statutory surveys, inspections and documentation in line with the relevant Codes of Practice and regulatory requirements.
What This Means
Clear scope, compliant documentation, and a practical route through certification—helping owners and operators meet requirements efficiently and with confidence.
Discuss Your Requirements
Tell us about your vessel, objectives and timeline. We will advise on the best next steps and provide a clear plan of work.
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