Gas Turbine Efficiency Headquarters & Office Locations

Designer and manufacturer of energy saving technology. Headquarters: 21 John Street, London, England wc1n 2bp, United Kingdom.

GraphIQ records this company as acquired (parent: ETHOS ENERGY GROUP).

Headquarters
London, England
Total locations · 4+ countries
11
Employees · est. 2026
175

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Gas Turbine Efficiency headquarters, locations and relationships

Headquarters21 John Street, London, England wc1n 2bp, United KingdomOpen in Google Maps
Legal name
Gas Turbine Efficiency Sweden AB
Industry
Energy Equipment Manufacturing
Founded
2005

Gas Turbine Efficiency office locations

11 total · 4+ countries
Gas Turbine Efficiency office locations: headquarters and key locations
CityState / regionCountryType
LondonEnglandUnited KingdomHeadquarters
——NorwayOffice
SolnaStockholmSwedenOffice
StockholmStockholmSwedenOffice
LincolnEnglandUnited KingdomOffice
AustinTexasUnited StatesOffice
See all 11 locations
Parent company
Gas Turbine Efficiency is part of ETHOS ENERGY GROUP.

Verified from public filings, company websites and news · Methodology

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About Gas Turbine Efficiency

Gas Turbine Efficiency is headquartered in London, England, United Kingdom. Founded in 2005, the company has 11 recorded locations across 4+ countries and employs approximately 175 people worldwide.

Where is Gas Turbine Efficiency's main office?

Gas Turbine Efficiency's main headquarters office is located at 21 John Street, London, England wc1n 2bp, United Kingdom. This is the company's primary corporate address.

Gas Turbine Efficiency regional offices

Beyond its headquarters in London, Gas Turbine Efficiency has recorded locations in United Kingdom, Norway, Sweden and United States.

Gas Turbine Efficiency contact information

The main switchboard for Gas Turbine Efficiency headquarters can be reached at +44 870 766 8407. Official website: gtefficiency.com.

What does Gas Turbine Efficiency do?

Gas Turbine Efficiency Ltd supplies high pressure gas turbine cleaning systems to customers in the aviation and industrial sectors (power generation, oil & gas, marine). The Company develops, assembles, and markets these systems, as well as other associated equipment, for the internal cleaning of gas turbine compressors.

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  2. Cover Plan territories Gas Turbine Efficiency's 11 locations roll up to one account, so it lands in one territory, once. Territory planning 
  3. Engage Act on timing Leadership changes, funding and M&A arrive linked to the account, not a loose headline. Signal monitoring 
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  5. Retain Ground every answer Customer teams and AI agents answer from the same entity, with a source and a date. AI agent data layer 
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Gas Turbine Efficiency: frequently asked questions

Where is Gas Turbine Efficiency headquarters?

21 John Street, London, England wc1n 2bp, United Kingdom.

What is Gas Turbine Efficiency's phone number?

+44 870 766 8407 (headquarters).

When was Gas Turbine Efficiency founded?

2005.

How many employees does Gas Turbine Efficiency have?

About 175, as of October 2026 (GraphIQ.ai estimate).

How many offices does Gas Turbine Efficiency have?

11 locations across 4+ countries, including Solna, Stockholm, Lincoln, Austin.

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No. Each organization resolves to one verified entity linked to its parent, subsidiaries, people and signals, so Gas Turbine Efficiency here is the same Gas Turbine Efficiency in your CRM, territory plan and agent answers.

Where does this Gas Turbine Efficiency data come from?

Public filings, company websites and news, resolved to one entity and continuously updated.

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