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Communications and Sensors

SEA is a leading provider of communications and network system development for military, space and commercial applications. Expertise includes open architectures and internet technologies, communications equipment design, integration, configuration, control and monitoring.

Communications and Sensors Communications and Sensors Communications and Sensors


Research and Development

SEA is an experienced supplier of novel research services and has been at the forefront of pulling research through to operational deployment. Our heritage in the management of partnerships with universities and SMEs ensures effective delivery of this research into new systems and products.

Research and Development Image Research and Development Image Research and Development Image


Information and Training Systems

SEA has a long track record delivering complex information systems and development services to clients such as Network rail and Transport for London and simulation services for operational evaluation and training purposes to defence and commercial clients.

Information and Training System Image Information and Training System Image Information and Training System Image


Latest News:

  • 24/Jan/2011

    Appointment of New Managing Director at SEA

    Cohort, the independent technology group, has announced that Stephen Hill has been appointed as the new Managing Director of its wholly-owned subsidiary SEA.
  • 09/Mar/2011

    Detecting and classifying icebergs

    RAIDACT is a feasibility study undertaken by SEA for the Oil Innovation Technology Fund and focuses on detecting sea ice approaching an exploration vessel.
  • 09/Mar/2011

    Common Simulation Framework (CSF) widens UK Army Training Capability

    SEA has achieved acceptance of the latest batch of improvements to the Common Simulation Framework system.
  • 16/Mar/2011

    SEA wins contract to study instruments for a mission to the Moon

    SEA announces that its Aero-Space Division based in Bristol has been awarded a 300,000€ (£260,000) contract funded by the General Studies Programme of the European Space Agency (ESA) for the study of a Lunar Dust Analysis Package (L-DAP).
  • 10/May/2011

    Managed services contracts for the UK MoD

    SEA is pleased to announce it has recently been awarded two Managed Services contracts by the UK Ministry of Defence, DE&S.
  • 07/Jun/2011

    SEA TechDay at AgustaWestland

    SEA was recently invited by AgustaWestland to host a Technology Day at their facilities in Yeovil.
  • 17/Jun/2011

    ROADflow – helping to preserve Bath’s history

    SEA’s latest automatic enforcement technology has doubled the number of penalty notices issued to motorist who ignore the road signs on Pulteney Bridge in Bath, greatly reducing the amount of unwanted traffic in the area.
  • 28/Jul/2011

    A sharp eye on the world’s weather

    SEA is pleased to announce that it has been awarded the maintenance contract for EUMETSAT’s ASCAT Calibration Transponders.
  • 05/Dec/2011

    Further ECS work on Astute Class Submarines for SEA

    SEA, part of Cohort plc, is pleased to announce that it has been selected by BAE Systems to provide two additional External Communication Systems (ECS) for the Royal Navy's Astute class of submarine. The work is valued at over £9m in total and will be carried out over the next 42 months. Detailed contract negotiations continue, with full contract award to follow. The work is additional to SEA's contract for ECS infrastructure for Audacious announced in April 2010.
  • 03/Feb/2012

    Parking enforcement underway in Bristol

    Bristol City Council's ROADflow Mobile system has commenced enforcement duties.
  • 28/Jun/2012

    Students’ paper planes launched From the Edge of Space

    On 28th June 2012 a team of students aged 7 to 11 from Bailey’s Court School in Bristol, assisted by space engineers from SEA (a Cohort plc company), successfully released one hundred unique ‘paper space planes’ from the stratosphere; the edge of space. The project was undertaken to encourage young people to consider careers in engineering. Each plane was designed, tested and decorated individually by the high-flying team of students. The planes were lifted inside a giant helium balloon that protected them from the weather. The balloon, carrying a payload of cameras and a GPS tracker, was launched by the students from SEA’s Beckington Castle site near Frome.
  • 24/Jul/2012

    SEA Awarded £10 million Defence Science and Technology Research Contract

    SEA has been awarded a four year, £10 million research contract by the UK Government's Defence Science and Technology Laboratory.
  • 21/Nov/2012

    SEA Wins Supply Chain Award for Astute Work

    The SC21 programme, led at a national level by ADS, is designed to accelerate the competitiveness of the aerospace and defence industry by raising the performance of its supply chains. The achievement of the Bronze Award recognises that a business has implemented a sustainable improvement programme and that it has attained a high level of customer satisfaction through measureable on-time delivery and quality. SEA’s award relates in the main, to the work it has undertaken for BAE Systems designing and producing the External Communications System (ECS) for the Astute Class submarine. As a sub-contractor to BAE Systems, SEA is the first BAE Combat Systems-sponsored company to achieve the SC21 Award.
  • 05/Dec/2012

    SEA delivers DECKsim to the Royal Norwegian Navy

    SEA, a Cohort PLC company, has delivered the latest, third generation Flight Deck Officer Training System (DECKsim) to the Royal Norwegian Naval Training Establishment (RNoNTE). This particular DECKsim now includes the latest gesture recognition technology and updated scenario builder.
  • 17/Jan/2013

    SEA Space engineer talks to BBC ahead of Stargazing live

    14 January, 2013, Bristol: As a warm up for BBC 2’s Stargazing Live, which started again on 8 January 2013, reporter Jules Hyam, of BBC Points West, interviewed Mike Guest, a Senior Engineer at SEA (a Cohort plc company), to find out about what work the company is doing in the UK’s satellite programme. Jules commented that satellites are built to look back at Earth, and they are full of equipment, some of which is being designed right here in Bristol, for the next UK space mission.
  • 10/Apr/2013


    SEA, a Cohort PLC company has been awarded a contract by Roke Manor Research Limited (a Chemring Group company) to support a three-year, £5 million research programme for the UK Government's Defence Science and Technology Laboratory (Dstl).
  • 11/Apr/2013


    March the MARSBalloon mission launched over 120 student experiments designed to test how everyday objects will survive on Mars from Oakfield Academy in Frome. This is the final stage of a unique project aimed to encourage young people to take up careers in the UK space industry.
  • 24/Jul/2013


    22 July 2013 - The introduction of new bus lane enforcement measures has addressed congestion and road safety concerns at an important travel interchange in the heart of one of the country's most popular seaside resorts.
  • 30/Sep/2013


    Missing space mascot and balloon discovered after six month long search Frome, 30 September 2013: Deimos, a missing MARSBalloon, containing experiments and a UK Space mascot, has been found in a Nottinghamshire field, exactly six months after it was launched in Somerset. On 22 March 2013, two MARSBalloon missions were launched from Frome, Somerset by a team from SEA (a Cohort plc company) and students from local schools, with funding from the UK Space Agency. Called Phobos and Deimos, the pair of modified high-altitude balloons, contained 140 student experiments between them. However, only Phobos was successfully recovered later that day.
  • 07/Oct/2013


    For the first time in their history SEA will be visiting and exhibiting at the Pacific 2013 maritime conference and exhibition in Sydney from the 7th to the 9th of October.
  • 30/Oct/2013

    SEA sponsors Avon and Somerset Neighbourhood Policing Awards 2013

    Bristol, 28 October 2013 – As part of SEA’s (a Cohort plc company) commitment to support its local community, the Company is a co-sponsor of the Avon and Somerset Neighbourhood Policing Awards, which hunt to find the ‘Best on the Beat’ in Avon and Somerset. Communities were asked to nominate their favourite officers and police staff, attracting more than 500 nominations. The winners of each of seven categories were announced at the awards dinner at Cadbury House Hotel, Congresbury on 24 October 2013.
  • 09/Jan/2014


    Beckington, 9 January 2014: SEA, a Cohort plc company, is leading research into Augmented Reality (AR), working with the Ministry of Defence’s Defence Science & Technology Laboratory (Dstl) under a project called Joint Focus Experimentation series 3 (JFX3).
  • 17/Jan/2014


  • 10/Feb/2014

    Councils in the Driving Seat? Local Authorities and Traffic Enforcement

    LGiU and SEA have worked together on this state-of-the-nation look at local authorities and traffic enforcement.

SEA specialises in providing systems engineering and specialist design solutions to Government and Industry. Our skills cover sensors, communications and high-integrity systems.

SEA works across the whole product life-cycle providing research, development, manufacture, training solutions and support of complex systems. SEA is an expert in naval and tactical communications providing solutions for the UK submarine flotilla and tactical battlefield data systems. We also provide a range of simulation-based training solutions and middleware to provide realistic training for complex environments. In the space domain SEA provides research through to high-integrity space-flight hardware for near Earth and deep space missions.