Contact Details


5 Brighton Way
SN14 0YR

Philip Henderson

Technical Director

07592 511 446


James Hare

Business Director

07592 511 449


Information / Enquiries:


Please also use our contact form

H2NA is a professional Naval Architecture Consultancy specialising in providing in-service support to Ships, Boats, Superyachts and all types of floating platforms. Our core work is currently focused on the following areas:


• Stability Information Books

• Inclining Experiments

• Stability Assessments (Intact & Damaged)

• Local Structural Assessments & Design

• Alterations & Design Changes

• Computer Loading Instruments

• Ballast Water Management Plans


Though please take a look at our Services page or Contact Us for a full breakdown of company skills.

What makes us different? Optimised consultancy based on experience and expertise. Find out more about the principles that guide our work and the directors of H2NA LIMITED.


From planning, technical analysis and extensive experience to professional recognition - we offer comprehensive and personalised support in every Naval Architecture challenge your company may face.