Subsea Rental Equipment

J+S provides a range of specialist rental equipment supporting offshore operations, subsea testing, intervention activities and engineering projects. Our equipment is prepared, tested and certified by experienced technicians, ensuring reliable performance when and where it is needed.
Where specialist equipment is not available within our own inventory, we work with a trusted network of industry partners to provide rapid access to additional equipment and resources.

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J+S Subsea hydraulic control panel used for subsea control system testing, diagnostics and operational support.

Flexible Rental Solutions for Offshore Projects

Tested, certified and deployment-ready equipment for offshore operations, intervention campaigns and subsea engineering projects.

Offshore operations often require specialist equipment at short notice. Purchasing equipment for temporary campaigns can be expensive and lead times can impact project schedules.

J+S provides flexible rental solutions that give operators, contractors and service companies access to the equipment they need without unnecessary capital expenditure.

Our team can prepare, configure, test and support equipment both onshore and offshore, helping ensure successful project delivery.

Rental Equipment Categories

Our engineering team has extensive experience supporting the design, modification and life extension of a broad range of subsea equipment.

Subsea Monitoring Equipment

Specialist monitoring and diagnostic equipment designed to provide real-time information during offshore intervention and testing activities.
Typical equipment includes:

  • Display420
  • DisplayVA
  • Data420
  • DataCAN
  • Simulator420
  • Sensor monitoring equipment
  • Data logging systems

Test & Diagnostic Equipment

Equipment supporting electrical, hydraulic and fibre optic testing activities.
Available capabilities include:

  • Insulation Resistance (IR)
  • Continuity Resistance (CR)
  • Time Domain Reflectometry (TDR)
  • OTDR Testing
  • Kikusui PCR4000M AC Power Supply
  • VLF Testing
  • Cleanliness Monitoring Systems

Downlines & Deployment Equipment

A range of deployment-ready downlines and ancillary equipment prepared to meet specific project requirements. All equipment can be prepared and certified prior to mobilisation.
Equipment includes:

  • Downlines
  • Reeler systems
  • Deployment sheaves
  • Deck cables
  • Air hoses
  • Workshop containers
  • Offshore support equipment

Connectors & Interface Equipment

Electrical and hydraulic connection equipment supporting testing, commissioning and intervention activities.
Available equipment includes:

  • Electrical connectors
  • Hydraulic couplers
  • Test connectors
  • Protective caps
  • Interface components
  • FAT support equipment

Offshore Support Equipment

Additional equipment supporting offshore testing, intervention and operational activities.

Available on request through J+S and selected industry partners.

Equipment Preparation & Support

Every project has unique requirements. J+S provides technical support to ensure rental equipment is correctly configured and prepared for deployment.
Services include:

  • Equipment inspection
  • Functional testing
  • Calibration verification
  • Connector preparation
  • Client-specific terminations
  • Offshore deployment support
  • Fault diagnostics
  • Technical assistance

Our experienced technicians can also provide operational support throughout project execution.

Why Rent From J+S?

Deployment Ready Equipment

Prepared, tested and certified before mobilisation.

Offshore Support Available

Operational assistance available during deployment and testing activities.

Technical Expertise

Support from engineers and technicians who understand the equipment.

Flexible Solutions

Equipment configured to suit specific project requirements.

Rapid Response Capability

Fast turnaround for urgent operational requirements.

Featured Rental Equipment Projects

Real-world examples of how J+S rental equipment deliver results for our clients.

6 J+S Case Study Collaborative Power Delivery System 1

Power & Signal Umbilical Simulators

Development of specialist testing equipment supporting subsea intervention and commissioning activities.

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Display420 Monitoring System

Real-time subsea monitoring equipment supporting offshore diagnostic operations.

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Offshore Testing Support Project

Provision of rental equipment and technical support for offshore intervention activities.

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View All Case Studies

Frequently Requested Equipment

  • Monitoring Systems

Display420, Data420, DataCAN and Simulator420 units.

  • Testing Equipment

IR, CR, TDR and power testing equipment.

  • Downlines & Deployment Equipment

Prepared and certified for offshore use.

  • Connectors & Couplers

Electrical and hydraulic interfaces supporting testing and intervention activities.

Need Rental Equipment for an Offshore Project?

Whether you require specialist test equipment, downlines, connectors or monitoring systems, our team can help identify the right solution and prepare it for deployment.

Request Rental Equipment
Speak to an Engineer
Mark Patterson Non-Executive Chair

Mark Patterson

Non-Executive Chair

Mark’s career spans five decades, marked by entrepreneurial success and visionary leadership across various sectors, including offshore marine technology, subsea oil and gas, green energy storage, and more.

With a track record of leading businesses through start-up, growth, acquisitions, and transformations, Mark’s expertise lies in strategic decision-making, mentoring, and brand management.

He has overseen multimillion-pound projects, pioneered new technologies, and guided companies to international recognition, such as the underwater GPS NASNet®.

His leadership style is direct, inclusive, and based on trust, empowering teams to excel.

Mark’s achievements include managing high-profile global companies, such as Balmoral group, Nautronix and Well-Safe Solutions, where he played key roles in groundbreaking projects. Global explanation and high growth.

Outside of business, Mark is deeply committed to family and charity work, with a passion for shooting, boating, and car collecting. As an experienced executive, he remains dedicated to fostering success by identifying future opportunities and mentoring the next generation of leaders.

Mark Patterson Non-Executive Chair

Mark Patterson

Non-Executive Chair

Mark’s career spans five decades, marked by entrepreneurial success and visionary leadership across various sectors, including offshore marine technology, subsea oil and gas, green energy storage, and more.

With a track record of leading businesses through start-up, growth, acquisitions, and transformations, Mark’s expertise lies in strategic decision-making, mentoring, and brand management.

He has overseen multimillion-pound projects, pioneered new technologies, and guided companies to international recognition, such as the underwater GPS NASNet®.

His leadership style is direct, inclusive, and based on trust, empowering teams to excel.

Mark’s achievements include managing high-profile global companies, such as Balmoral group, Nautronix and Well-Safe Solutions, where he played key roles in groundbreaking projects. Global explanation and high growth.

Outside of business, Mark is deeply committed to family and charity work, with a passion for shooting, boating, and car collecting. As an experienced executive, he remains dedicated to fostering success by identifying future opportunities and mentoring the next generation of leaders.

Phil Reid Managing Director J+S-Subsea

Phil Reid

Managing Director

Phil has worked in the energy industry for over 25 years. He started his career with Kvaerner FSSL progressing through a variety of roles in subsea engineering, from manufacturing to leading some of their most complex projects all over the world. He worked with the original J+S for a period before moving on to Genesis Oil and Gas as a Subsea Controls Engineering consultant; during that period, he was seconded to Centrica Energy (now Spirit Energy) which led to a permanent role as Lead Subsea Controls & Umbilical Engineer for Developments, Capital Projects and Operated Assets. For almost a decade Phil successfully delivered Capital Projects from concept right through to project close out whilst also looking after the running of their subsea assets.

As part of J&S Subsea limited, Phil oversees the day-to-day operations and will grow the business both in the UK and globally. 

James Morris

Engineering Director

James’s career started when he joined the Royal Navy from school as an Artificer Apprentice. After a 5-year Marine Engineering Apprenticeship he served in surface ships HMS Glamorgan, HMS Edinburgh, and HMS Glasgow and at Rosyth as part of an engineering support team. 

Moving into the Energy Industry in 1992, over the next 26 years he gained a wealth of experience within large and small companies on operation, design and project management of subsea control systems and equipment. This period started with several years as a Project Engineer for a family run hydraulic services company Grampian Hydraulics followed by 5 years as a Support Engineer at Kvaerner Oilfield Products.  James joined RRC Controls Services ltd in 2001 before finally moving to J+S Ltd in 2010. At J+S his dedication and technical capabilities were rewarded with several promotions until becoming a member of the management buyout team. 

He has designed an extensive array of subsea equipment from basic cable penetrators to complete subsea control modules. 

James thrives on providing solutions for client’s problems. 

As Engineering Director, James will ensure that the company provides clients with timely, cost effective and technically sound solutions and services. 

Matthew Blair

Executive Chairman

Matt Blair is Executive Chairman of J+S Subsea which was formed in October 2020 through a management buyout of the Subsea Engineering Division of Systems Engineering and Assessment Ltd.

With J+S Subsea and SEA for over 14 years, Matt has a wealth of industry knowledge and expertise.

Previously an Electronics Engineer with Ferranti Computer Systems Ltd specializing in sonar and submarine command systems, Matt moved into hydrographic survey working with Subsea7, Tritech, and CDL before joining J+S Subsea.

He was Vice Chair of the Decom Leadership Group of Decommission and in that role, he facilitated industry and academic studies on potential for reuse and repurposing of decommissioned equipment. He is still actively involved with the reuse agenda through Decommission and OEUK.

Although not part of day-to-day operations, Matt stays close to company strategic matters and is seeking further opportunities to update and transfer Energy technologies and products into the Marine Renewables markets and help to develop the broader circular economy.

Contact Us

  • J&S Subsea Limited
  • The Lombard Centre
  • Kirkhill Place
  • Dyce
  • AB21 0GU
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