Who We Are

World-leading gas turbine maintenance, repair and overhaul

We are the leading global provider of approved maintenance, repair and overhaul services for Siemens Energy industrial aero-derivative gas generators and power turbines used in power generation and oil & gas.

We are authorised to provide maintenance, repair and overhaul services for Rolls-Royce marine gas turbines used for marine propulsion.

At RWG, we have been supporting industrial gas generators since 1990 so you know your equipment is in safe hands with us. Backed by OEM technical and engineering expertise, we bring you unrivalled product quality and service delivery.

We are a team of 500 highly skilled and experienced people, working within centres of excellence in Aberdeen, UK; Houston, Texas, US; and Kuala Lumpur, Malaysia, as well as in the field. We are ready to meet your global service requirements whenever and wherever you need us. We will welcome your equipment into our workshops, and our field engineers will bring our expertise directly to your operations.

At a glance

  • We are a joint venture between Siemens Energy and Wood
  • We have been in business since 1990
  • We are OEM approved
  • We employ 500 people
  • We work from centres of excellence in the UK, US and Asia Pacific
  • We work in power generation, oil & gas and marine propulsion
  • We support industrial aero-derivative SGT-A35, SGT-A20, SGT-A05, Olympus industrial gas generators; Rolls-Royce marine Spey, Tyne, Olympus, WR21 gas turbines; and power turbines
Ready to meet your global service requirements whenever and wherever you need us

We align our expertise with your individual needs

Whether you’re looking for a single engine overhaul, or a multi-year service agreement for your entire fleet of gas generators, we have the experience and technical know-how to help lower the cost of ownership of your equipment. When it comes to component repairs for industrial gas generators, you can rely on our proven track record in designing and delivering innovative solutions to add value to your operations.

And there are so many more reasons to choose RWG as your preferred service provider. From exchange engines to in-house gas generator testing, and from engine modifications and upgrades to full field service capability, you can trust our expertise to enhance the performance of your engines and lower your lifecycle costs.

Quality, health, safety and the environment

Keeping our people safe and minimising the impact of our business on the environment are our top priorities. We have embedded robust QHSE policies throughout our organisation. We are proud to have the President’s Award for occupational health and safety, which was awarded for achieving thirteen consecutive Gold Awards. As you would expect from a company with our depth of history and experience, we have industry-leading quality control systems in place supporting continuous improvement across every aspect of our business.

We are ISO 9001, ISO 14001 and ISO 45001 certified by BSI under certificate numbers FM02239, EMS32478 and OHS598477.

Our QHSE management system is approved by ISNetworld, FPAL Verify and UVDB Verify. We are a Siemens Energy OEM approved maintenance, repair, overhaul centre (MROC).

Investing in our future workforce

We nurture new talent through our in-house training centre. Since RWG was founded in 1990, more than 220 apprentices have successfully completed our modern apprenticeship training programme. We welcome up to 12 new apprentices each year and offer a rewarding long-term career with RWG, which brings seamless technical capability and product knowledge for our customers.

More than

Investing in our facilities and capabilities

We continually look for new ways to support industrial gas generator operators. You benefit from the investments we make in our business. We strengthen our service offering with purpose-built repair and overhaul facilities, and we invest in new product introductions by adding engines to our equipment portfolio. We are committed to offering the very best quality and scope of service to enhance the performance of your engines and lower your lifecycle costs.

Purpose-built repair and overhaul facilities

Our Evolution
Our evolution We’ve come a long way of the last three decades.
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Our people
Our people At RWG, we are extremely proud of our people.
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Vacancies A career with us is rewarding and challenging.
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