Gas Turbine Services (GTS) is one of the largest Independent Service Providers in mainland Europe offering onshore and offshore maintenance services for the Siemens (Lincoln) SGT/Ruston range of engines, specifically TA, TB5000/5400, SGT-100, SGT-200, SGT-300 and SGT-400.

Gas Turbine Services (part of the Anglo / Danish ‘HKJ Group’) was formed in 1985 and specialises in the provision of ‘High Quality’ cost effective independent aftermarket Service Support for the Siemens SGT range of engines.

GTS was an OEM approved Regional Service Centre from 2000 through to 2015. The strategic decision to end the long-established Service Centre Agreement was implemented in order to expand our global presence and customer base. GTS now provide support for the SGT/Ruston fleet around the world from our offices and workshop facilities located in Esbjerg, Denmark and Lincoln, United Kingdom.

Our Mission Statement


To deliver customer focused maintenance support products and services for the Siemens SGT/Ruston range of engines and their associated auxiliary equipment for offshore and onshore installations, in both the CHP and Oil & Gas Industry.

Our aim and strategy is to exceed our customer’s expectations by continually improving on performance and quality, while ensuring our operations are executed at all times in compliance with our internal HSE procedures and relevant legal and regulatory requirements. This is evident from our third party certifications listed below:

– ISO 9001:2015

– ISO 14001:2015

– ISO 45001:2018


Field Services

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Core Engine Overhaul

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Major Equipment and Spare Parts

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Gearbox Overhaul

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Control System and Remote Monitoring Support

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Long Term Service Agreements

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Gas Turbine Services has achieved the following third party certifications click on photo to download in PDF format:

Achilles Oil & Gas Europe

ISO 45001:2018

Achilles Oil & Gas Europe (Silver)

ISO 9001:2015

ISO 14001:2015

Historic Certification 2003-2015

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