Home/Defence Domains/

Sea

We support naval programmes across surface vessels and submarines, delivering engineering from early design through build, integration and long-term sustainment.

Our capability spans platform engineering, combat systems, electrical systems, infrastructure and safety-critical engineering. We help customers manage complexity, improve availability and sustain long-life platforms in regulated environments.

Focus areas

  • Pressure hull and internal systems engineering 
  • Life-support and propulsion systems 
  • Compliance with ONR and DNSR 
Submarine control room with multiple blue and green monitor screens, dials, and a central map table, dim metal walls, and control levers.
  • Naval Architecture & Vessel Design
  • Platform Systems Integration
  • Structures, Stability & Performance Engineering
  • Digital Engineering & Model-Based Development
  • In-Service Support & Capability Upgrades
Close-up of a welded seam on a metal block being filled by two welding electrodes, with blue-gloved hands in the background.
  • Precision radar engineering and signal processing 
On a gray naval ship deck, a large flat-panel radar antenna sits on a rotating base, with cables and a beige domed sensor nearby.
  • Sonar, radar and communication systems 
  • Combat management systems 
  • Open architecture integration
Operator monitors multiple radar and telemetry screens at a dim control station, wearing gloves and headset on a dark, high-tech console
  • Hull design and FEA 
  • Propulsion and auxiliary systems 
  • Fluid systems management 
Scientist in a blue shirt examining a large monitor displaying a complex piping diagram in a lab setting.
  • Electrical networks and IPMS 
  • Embedded safety-critical controls including steering and diving systems
Row of industrial control panels and screens in a utility room, with wiring on top and yellow floor line nearby.
  • Civil, Structural & Building Services Engineering
  • Mechanical Handling & Industrial Systems
  • Electrical Engineering & Power Infrastructure
  • Digital, Data & Asset Configuration Management
  • Project & Engineering Management
Port scene with a large crane hoisting a bronze ship propeller over a dock, workers in orange vests nearby.
  • Autonomous Underwater Vehicles (AUVs) and Uncrewed Surface Vessels (USVs) Engineering
  • Development of AI-based navigation systems 
Yellow submarine-like submersible being hoisted by a crane from a ship deck, two workers in orange helmets guiding it toward the water.
  • Model-Based Systems Engineering (MBSE)-driven design to manage complexity
  • Digital twins for lifecycle optimisation
3D-rendered yacht model on a design workstation with multiple monitors showing ship models behind it

Case studies

Case study

Nuclear Submarine Engineering & Compliance Support

Quest Global embedded an integrated engineering team within a major UK naval programme to improve non-conformance management, engineering change workflows, and maintenance support activities. The engagement increased platform availability, reduced delivery risks, and improved collaboration between in-service and design teams.

Case study

Resolving Design Backlogs through PLM Integration

Quest Global transformed fragmented engineering workflows by implementing integrated SAP and Teamcenter PLM solutions, creating a connected digital engineering environment with improved data visibility and process control. The initiative accelerated design cycles, reduced operational errors, and improved quality through automated dashboards and structured root cause analysis.

Talk to our leaders

Man with short dark hair and glasses wearing a light gray blazer, red polo shirt, and navy pocket square, smiling at camera.

Dwai Mazumder

Senior Director

Dwai is a senior executive leader with extensive experience in the aerospace and defence sectors, focusing on customer success and business growth. Based in the UK, he plays a key role in driving Quest Global’s strategic sales and service delivery for major industry partners. With deep roots in mechanical engineering, Dwai is passionate about helping organisations navigate the shift toward software-defined systems and digital transformation within the defence supply chain.

Let's connect
Head-and-shoulders portrait of a man with short brown hair wearing a purple checkered button-down shirt, looking at the camera.

Nick Charles

Delivery Partner

Nick is a seasoned engineering and business leader dedicated to establishing Quest Global as the most trusted engineering partner for the UK Defence industry. With experience leading global transformation and high-integrity sonar programmes, Nick brings exceptional technical depth to the team. A Fellow of the IET, he focuses on building long-term strategic relationships and providing thought leadership and capacity to support mission-critical defence requirements.

Let's connect

Careers

Smiling man in a white shirt with arms crossed, in front of a large yellow and purple airplane silhouette on a blue background.

Be you.
Make a difference.

We’re always looking for passionate individuals who are ready to take on challenges, make the impossible possible, and create a brighter future for everyone. Are you ready to be yourself and make a difference?

Let’s connect

Get in touch with our experts today to explore custom solutions for your hardest engineering challenges.

Contact us