TWCOG LLP and it's affiliates have been engaged by over 350 clients worldwide


TWCOG LLP is a knowledge-based company, based in London and Singapore, that is focused on the global natural gas industry. We provide commercial expertise in wholesale gas marketing, cross-border gas sales and transportation, and in the international arbitration of commercial disputes. We assist companies and nations throughout the world to establish gas markets, to develop natural gas resources in a responsible manner, and to settle disputes in existing contractual arrangements. Some of the projects that we have recently worked on:

Appointed by LNG buyers as an independent expert

Appointed as expert on two large scale (2 mtpa+) LNG price review disputes (2020), one for an Asia-pacific source and one in the Middle East.

Appointed to develop an alternate strategy under a negotiated LNG price review


This alternative strategy, supported by a trends analysis developed by TWCOG, has resulted in an a significant supply cost reduction.

LNG spot market entry strategy for a Middle Eastern energy player

Appointed to advise on spot market entry including Master Agreement negotiation and spot procurement strategy.

LNG acquisition strategy for a major energy company


Provided a strategy and commercial advice for a major energy company on the creation of an LNG-to-power business unit.

Expert Witness in 2014 Price Review for PGNiG, Poland

Appointed as Expert in 2014 Price Review of PGNiG under its gas supply contract from Russia. Provided extensive economic and financial analysis in multiple Expert Witness submissions, and testimony at several Hearings ​

Expert Witness for a major Italian Gas Importer

Price Review in all of its gas and LNG supply contracts since 2010; economic and financial analysis to provide Expert Witness submissions. Expert Witness at five Hearings under ICC Arbitration.​

Expert Appointment to European Commission

Appointed as Expert by a major European importer in its submission to the European Commission on the commitments proposed by Gazprom concerning Central and Eastern European gas markets.

Expert in Force Majeure dispute in supply disruption

Appointed as Expert in Force Majeure dispute on supply disruption in the Middle East

Appointment as Expert to the Arbitration Institute of the Stockholm Chamber of Commerce

The arbitral resolution of a high value contractual dispute relating to Price Review in gas sales in Central Europe. Appointed as expert by the arbitration tribunal.

Expert Witness Appointed by Naftogaz Ukraine

Related to a multi-billion dollar dispute for the import of gas by Naftogaz, Ukraine from Russia. Appeared as a testifying Expert Witness in Stockholm.

Expert Witness appointed by a major French gas Importer

Appointed as expert in several Price Review disputes for various long-term GSAs since 2012 supplying France, Spain, Belgium and Italy, testifying Expert Witness in Hearing under ICC arbitration.

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Acting as Expert for a Malaysian Oil & Gas Company

A contract dispute in a large-scale international gas sale into petrochemicals at Terengganu, Malaysia. Arbitrated by Expert Determination in The Hague.

Expert Witness appointed by major Middle East gas producer

Appointed as Expert Witness in Geneva ICC Hearing on three multi-billion dollar cases (concerning the pricing of gas) Related to the production and sale of gas.

Expert Advisor to a major German Gas Importer

Since 2006 in all of its major gas supply contracts under Price Review; advice on the resolution of disputed reviews. Economic and financial analysis to provide Expert Witness testimony.

Expert Advisor to a Gas Importer in the Czech Republic

Major gas supply contract from Russia under Price Review. Including economic and financial analysis to provide Expert Witness submissions. Provided Expert Witness evidence in Hearing under ICC Arbitration.

Expert Witness Appointed by a Major Italian Power Company

Arbitration of a dispute under one of its major gas supply contracts under Price Review. Economic and financial analysis to support expert witness testimony.

Expert Witness appointed by a Major Spanish Gas Importer

Appointed by a gas company in Spain in several Price Reviews since 2013 under its substantial LNG import contracts.

Expert Witness appointed by a small French Gas Importer

Assessing and quantifying the request for review of the Contract Price under a six year gas supply agreement for the supply of gas to industrial customers in France.

Commercial advisor to a Malaysian Oil & Gas Company

Provided long term commercial advice and assistance on the export of LNG to Europe; advice on the terms for the regasification and marketing of LNG into the UK.

Appointed as the Expert in an Expert Determination

Appointed as expert jointly by the Seller and Buyer in the resolution of certain issues regarding the import of LNG into Spain.

Commercial Advice to a Gas Company in Pakistan

The terms for the purchase and transport of gas from a neighbouring country and Turkmenistan; including a leading role in the negotiations.

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Advisor to a Swiss Oil Company Operating in Nigeria

Its program to meet the Flares-Out requirement in its operations in Nigeria; including negotiating the sale of gas currently being flared.

Expert Witness to a Chinese Oil Company

Resolution of an allocation dispute in the Kazakhstan/Russia CPC oil pipeline. Arbitrated at the London Court of International Arbitration.

Appointed by Ministry of Economy, Croatia

Expert with reference to disputes relating to the supply and distribution of gas in Croatia. Expert Witness testimony given at the International Court of Justice, den Haag. 

Extensive Advice to a number of new LNG project developments

Commercial advisor on several projects in the development and commercialisation of LNG production. Assessment of the market and risks associated with  export sale to Japan and China.

Commercial advisor to the Singapore LNG Terminal

Assessment of the terms for the import of LNG and the establishment of a multi-user import terminal; including a leading role in the negotiations.

Appointed Expert Witness and Advisor to a Danish Oil and Gas Company

Price Reviews under various long-term GSAs supplying Denmark. This included long-term supply of LNG to Gate Terminal. Acted as the testifying Expert Witness in Arbitration Hearing. 

Expert Witness appointed by a major Korean LNG buyer

Appointed by a major Korean gas importer, on a price review under its Australian LNG supply.

Expert Witness appointed by major Japanese LNG importers


Appointed as expert by 2 major Japanese joint buyers in a price review under an LNG supply contract.

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Expert Witness appointed by CNOOC 


Appointed as expert witness by CNOOC in its purchase of long term LNG from a Asian supply source. Provided testimony under ICC Arbitration. 

Commercial Advisor to Addax Petroleum in Nigeria


Advice on the Flares-Out program for gas gathering offshore Nigeria

Expert Witness appointed by Osaka Gas for LNG imports into japan


Appointed by Osaka Gas in a price review related to LNG imports into Japanese terminals.

Commercial advisor to a Japanese exploration Company

Assisted in the negotiation of the contract documents relating to a major new LNG development, including negotiation of a long-term LNG supply contract for the supply of gas into Japan.