Tods Defence is a world-leading designer and manufacturer of advanced composite structures for the marine defence industry.
Manufacturing based in Portland, UK, and a Design Technology Hub at Dorchester, UK.


Tods Defence has been in existence for more than 60 years, and is a preferred choice for the Royal Navy for the production of sonar domes, acoustic windows, acoustic coatings and other complex structures for surface warships and submarines.

The company has also built an impeccable reputation for quality and delivery to over 25 navies worldwide, from Europe to USA and Asia.

Products and services include the design and manufacture of sonar domes, submarine acoustic windows, acoustic cladding, damping treatments, radomes and other multifunctional structural composite enclosures that enhance the performance of vital sonar, radar and communications equipment.

Our technical support team provides naval engineers and dockyards with engineering expertise to design, develop and manufacture Sonar Domes, Radomes, Structural and Non-Structural composite products for installation and retrofit applications, and for in-situ acoustic polyurethane coatings for submarines.

In 2013 Tods Defence joined the Unitech Group of companies.

Tods Defence Portland


Our Quality derives from a Business commitment to service and excellence.

These are driven and executed by conformance to stringent world renowned standards.

AS9100 Rev D – Quality Management Systems

ISO14001 – Environmental Management

ISO45001 – Occupational Health and Safety Management

GS3001 – Rolls Royce, Supplier Quality Management System


Tods is a growing business and needs a variety of specialists.

In particular, the following skillsets are key to our work and we have a number of current vacancies in the following areas:

Project Management

Business Development

Manufacturing Engineering

CAD Engineering

Quality (QA and QC)

Please contact for details of these roles.


Environment 2025 charter

This charter sets out our commitment to reduce our impact on the environment.

    Eliminate the use of fossil fuel across the business

    Become self-sufficient in renewable energy

    Reduce energy use by 30%

    Reduce waste by 50%

    Reduce landfill by 80%

    Supporting Local Charities

    Chosen by the staff each year.

      Julia’s House children’s hospice

      Save the Children

      British Legion

      National Coast Watch

      Mental Health

      Mental Health training

      Support for staff

      COVID-19 support


      We manage and protect a Site of Special Scientific Interest (moths, grasses and soil)

      Tods Defence Social Responsibility