About us

J+S Ltd

We deliver robust and cost-effective solutions to customers' requirements across all military markets, in civil maritime markets and the offshore energy business.

Expertly combining comprehensive engineering development with production since 1956.

Approaching technology insertion with innovation to provide solutions to equipment obsolescence.

Working within a mature support infrastructure to ensure the continued availability of complex equipment operating in demanding environments.

From the naval, land and air-based military to the oil and gas or renewable energy sectors, customers rely on our creative engineering solutions; in-service support of complex systems and low volume production of bespoke or niche items.


Products

Energy Systems - Waterblocked Conductor Splices

Energy Systems - Waterblocked Conductor Splices

J & S Marine designs, manufactures and installs a range of approved and qualified thermoplastic water blocked splices for use in all cabling and elect...

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ES800 echo sounder

ES800 echo sounder

The ES800 echo sounder is a state of the art military depth sounder. designed. developed and manufactured by J+S. It has been accepted into service by...

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Fibre Optic Connectivity

Fibre Optic Connectivity

J+S provide a subsea fibre optic termination and connection solution for up to 48 fibres, offering a loop back test facility showing a loss of <2.5dB....

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Fibre Optic Penetrators

Fibre Optic Penetrators

The J+S fibre optic penetrator offers unique optical properties. Unlike standard fibre optic connectors which may have several interfaces resulting in...

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Helicopters - Sonar

Helicopters - Sonar

J & S Marine's pedigree includes the support of in service helicopter outboard sonar systems.

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Helicopters - Test Solutions

Helicopters - Test Solutions

Provision of bespoke test solutions for a wide range of aerospace and defence equipment.

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High Speed processors

High Speed processors

Utilising the latest FPGA technology and High Speed processors. we have a proven pedigree in the design. development. manufacture. integration and sup...

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High/Medium Voltage Connectivity

High/Medium Voltage Connectivity

We provide qualified subsea connection, splice and hub solutions up to 36kV to include full fibre optic connectivity required for data collection. To...

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Homeland security - Harbour Protection

Homeland security - Harbour Protection

Provision of multiple sensor systems to enable the continuous monitoring of areas against intruders for harbour protection in support of the Internati...

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Homeland security - High Value Assets Protection

Homeland security - High Value Assets Protection

Development of systems offering rapid solutions for HVA protection, which continuously monitor areas for the presence of a variety of threats from swi...

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hydraulic jumper assemblies

hydraulic jumper assemblies

We manufacture electrical “jumper” cable assemblies. These jumpers can range in length from 1 metre to hundreds of metres and provide the power and co...

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Inductive Coupler

Inductive Coupler

We manufacture inductive couplers which have been widely used over the years in the offshore industry. and provide a quick-connect highly reliable con...

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In-line Splice Kit

In-line Splice Kit

The J+S in-line splice kit provides a rugged, simple, reliable, and rapidly-installed splice kit that can be used offshore for cable repair and jointi...

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Integrated Acoustic Sensors

Integrated Acoustic Sensors

This range combines high sensitivity acceleration cancelling hydrophones wih miniature, low noise and low power pre-amplifiers into a single robust pa...

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Intelligent Host Adapter Unit

Intelligent Host Adapter Unit

The Intelligent Host Adapter Unit (IHAU) is a VME card used to interface Navy Combat equipment to data Transfer Systems compatible with Def Stan 21-24...

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Intelligent Load Shackle

Intelligent Load Shackle

A unique application of load measurement and through-water communications provides operators with an instant and direct measurement of the load on an ...

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Interface Card Development

Interface Card Development

Typically we develop interface cards to enable legacy military in-service equipment to continue communicating with the latest systems

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Interface Cards

Interface Cards

Typically we develop interface cards to enable legacy military in-service equipment to continue communicating with the latest systems

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Jumpers

Jumpers

We manufacture electrical “jumper” cable assemblies. These jumpers can range in length from 1 metre to hundreds of metres and provide the power and co...

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Lightweight Torpedo Launchers

Lightweight Torpedo Launchers

The J+S family of lightweight torpedo launchers are capable of deploying NATO compatible lightweight torpedoes and can be configured to launch the US ...

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Line Array Hydrophones

Line Array Hydrophones

In various acceleration cancelling configurations. a range of high quality. high performance line array hydrophones is available with or without an as...

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Line Array Technologies

Line Array Technologies

We offer line array technologies for towed or static applications. Line array configurations include analogue and digital system options, low noise...

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Low Profile Array

Low Profile Array

The Low Profile Array (LPA) is a small diameter passive acoustic line array suitable for towed or static applications. J+S have made use of their kno...

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MF 'Free Flooded' Ring

MF 'Free Flooded' Ring

A small, medium frequency, broadband, high power, acoustic source with unlimited operational depth capability. May be supplied fully terminated or ...

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Military Depth Sounder

Military Depth Sounder

The ES800 echo sounder is a state of the art military depth sounder. designed. developed and manufactured by J+S. It has been accepted into service by...

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Military Interfaces

Military Interfaces

Utilising the latest FPGA technology and High Speed processors. we have a proven pedigree in the design. development. manufacture. integration and sup...

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Mine Warfare - Sonar

Mine Warfare - Sonar

J & S Marine has a long history in through life support of mine-hunting sonar systems, having specialist expertise in the design, manufacture and inst...

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Mine Warfare - Sweeping

Mine Warfare - Sweeping

J & S Marine is a supplier of support services to the UK MoD, foreign Navies and major prime contractors for countermeasures equipment including the a...

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Mooring Verification System

Mooring Verification System

The Mooring Verification System (MVS) has been designed using proven mechanical techniques to provide an extremely robust and scalable link suitable f...

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Nearfield Acoustic Monitor Systems (NAMS)

Nearfield Acoustic Monitor Systems (NAMS)

The Nearfield Acoustic Monitor Systems (NAMS) characterises the performance and operation of hull mounted sonar systems. Designed to survive permanent...

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News

J+S raise a total of £6,175 for North Devon Hospice

J+S raise a total of £6,175 for North Devon Hospice

Barnstaple based J+S have shown their support for the North Devon Hospice this year after raising over £6,000 for the charity. Since May 2012, J+S ...

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Building Refit Programme underway at Barnstaple

Building Refit Programme underway at Barnstaple

The renovations will offer a more efficient manufacturing environment for the expanding business with additional open plan offices, meeting rooms, and...

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J+S exhibit at Canada’s premier Defence and Security show

J+S exhibit at Canada’s premier Defence and Security show

Building on their success in export activity to Canada, Barnstaple based engineering firm J+S Ltd has recently exhibited at CANSEC, Canada’s largest d...

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J+S target Offshore Wind Market

J+S target Offshore Wind Market

Barnstaple and Aberdeen based engineering firm J+S recently returned from exhibiting at the Global Offshore Wind Conference and Exhibition at the Exce...

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Record Results from J+S

Record Results from J+S

Barnstaple and Aberdeen based J+S Limited has reported record results for the year ended 30 September 2011. Sales were up 27.7% on the prior year to ...

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J+S Present Low Profile Array paper at UDT conference

J+S Present Low Profile Array paper at UDT conference

J+S has recently presented a technical paper at Underwater Defence Technology (UDT), on the Low Profile Array (LPA), a 16mm diameter passive acoustic ...

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J+S Looks East

J+S Looks East

J+S has recently exhibited at two major exhibitions in the Far East. In late May the Defence team displayed their products at IMDEX a major show and c...

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Barnstaple company recognised at major national manufacturing awards

Barnstaple company recognised at major national manufacturing awards

+S Ltd, a Barnstaple manufacturer providing customised engineering support to naval and off-shore oil and gas customers, has gained recognition as one...

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J+S exhibits the new Low Profile Array at Sea Future Exhibition in Italy

J+S exhibits the new Low Profile Array at Sea Future Exhibition in Italy

J+S Ltd recently exhibited at the Sea Future exhibition in La Spezia, Italy which ran from the 13th to the 15th October 2010. The 2010 show was th...

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Matt Blair addresses Subsea Europe Conference

Matt Blair addresses Subsea Europe Conference

J+S Ltd recently exhibited at the Subsea Europe Exhibition and Conference in Paris which ran from 27th to 28th October 2010. The conference exp...

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J+S Successful at the South West Business Challenge 2010 Awards

J+S Successful at the South West Business Challenge 2010 Awards

On Thursday, 22 October 2010, J+S won their second award of the year in the Business Innovation section of the South West Business Challenge 2010 Awar...

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Management Reorganisation at J+S

Management Reorganisation at J+S

With effect from 2 August 2010, J+S has undertaken an organisational restructure within the management team. Eric Abretti, previously Operations Di...

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J+S and EMEC Make the Connection

J+S and EMEC Make the Connection

Barnstaple and Aberdeen based Marine Renewables, Defence and Oil & Gas engineering business, J+S Ltd, has installed and tested seven J+S qualified ele...

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Local MP Visits J+S Aberdeen

Local MP Visits J+S Aberdeen

J+S Ltd’s Aberdeen based Oil and Gas engineering services provider, recently hosted a visit by Liberal Democrat MP for Gordon, Rt Hon Malcolm Bruce an...

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M&#45;Class Frigates Sonar Upgrade

M-Class Frigates Sonar Upgrade

J+S Ltd has recently been awarded a £1.0m contract for the design and supply of four ship sets of sonar transducers by the Defence Materiel Organisati...

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Miscellaneous Sonar Equipment Support Contract

Miscellaneous Sonar Equipment Support Contract

MISCELLANEOUS SONAR EQUIPMENT SUPPORT CONTRACT J+S’ Defence business, based in Barnstaple, has recently been awarded a major contract for the In-...

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16 News

Documents

Renewables Brochure

Renewables Brochure

catalogue

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Defence Brochure

Defence Brochure

Catalogue

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Oil and Gas Brochure

Oil and Gas Brochure

Catalogue

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Low Profile Array

Low Profile Array

Datasheet

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Subsea Electrical Housing

Subsea Electrical Housing

Datasheet

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Fibre Optic Penetrator

Fibre Optic Penetrator

Datasheet

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8 Documents

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J+S Ltd

  • Riverside Road
  • Pottington Business Park
  • Barnstaple
  • Devon
  • EX31 1LY

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