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About Marine

Learn about what we do in the marine market where Wärtsilä is a global leader in innovative technologies and lifecycle solutions. Find out more on our global website.

Marine

About Wärtsilä

Wärtsilä is a global leader in innovative technologies and lifecycle solutions for the marine and energy markets. We emphasise innovation in sustainable technology and services to help our customers continuously improve their environmental and economic performance.

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Welcome

To Wärtsilä in the UK
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At Wärtsilä UK

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Wärtsilä Online Services

Manage your installations efficiently

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Wärtsilä Propulsion UK

Effective solutions to improve propulsion performance

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Wärtsilä Electrical & Automation

Local expertise offering lifecycle support for electrical systems

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London — About us

Wärtsilä in the UK focuses on the marine and energy markets with products and solutions as well as services for the shipping and power generation markets.

Careers — 9 Feb 2022

Work at Wärtsilä

Did you know that we operate in over 200 locations around the world employing people with very diverse skills, backgrounds and ambitions?

Contact — Contact us

Wärtsilä has strategically placed offices and service centres in the United Kingdom.

Global releases and news

5 Nov 2026 · Trade press release

Wärtsilä dual-fuel engine and propulsion solution selected for Delfin Midstream's pioneering project

3 Nov 2026 · Trade press release

Wärtsilä completes milestone marine sector project to reduce methane emissions on vessels

3 Nov 2026 · Press release

Welcome to Wärtsilä’s Capital Markets Day 2026

More global releases and news

Our solutions

Power and propulsion

26 Oct 2021

Electric shipping and hybrid ships

Electrical solutions enabling marine decarbonisation

Smokeless-engines — 26 Oct 2021

Engines and generating sets

Our portfolio of engines for marine applications

26 Oct 2021

Exhaust treatment and CSS

Exhaust treatment solutions reduce SOx, NOx, and particulate matter emissions.

The Wärtsilä Gas Valve Unit Enclosed Design 2 — 12 Jan 2023

Fuel supply systems

Explore Wärtsilä fuel supply systems for LNG, methanol and ammonia.

Propulsion-and-gears-thumb — 26 Oct 2021

Propulsors and gears

A broad range of solutions comprising gears, propellers and thrusters

wartsila-seals-and-bearings — 26 Oct 2021

Shaft line solutions

Fully integrated, reliable, and easy to maintain shaft line solutions

Voyage and fleet optimisation

illustration of Fleet Optimisation Solution — 26 Oct 2021

Fleet optimisation

A holistic data analysis, voyage planning and fleet performance management package.

Monitor shows the Wärtsilä Navi-Planner — 5 Jul 2023

Marine navigation solutions

Compliance-ready voyage planning, safe route execution, and up-to-date nautical data.

port-call-optimisation — 22 Nov 2021

Port optimisation

Port optimisation provides intelligent tools and digital technologies for perfectly coordinated vessel traffic in ports and efficient port operations.

22 Nov 2021

Simulation and training

Next-gen training solutions that prepare you for today’s challenges with tomorrow’s technologies.

Our clients are active in the following markets

Coastal and inland waterways

Fishing

Offshore

Dredging

Navy

Special vessels

Merchant

Yachts

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