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Greg Sibbald


Level 15 Burj Daman
Dubai International Financial Centre
Burj Daman
PO Box 506873
United Arab Emirates
Languages English

Greg is a Partner within the CMS Infrastructure, Construction and Energy (ICE) Disputes team and has been based in Dubai since 2016. 

He acts for consultants, contractors, developers and government entities across the Middle East including in the UAE, Saudi Arabia and Oman. He provides project counsel support and acts in all forms of dispute resolution including in arbitration (ICC, DIAC, DIFC, OAC, SCCA, LCIA and others) as well as court litigation. 

Greg is recognised as a Leading Individual in Construction in the Legal 500 EMEA and is ranked in the other leading legal directories. He also regularly speaks at industry events and authored CMS’ Expert Guide to Arbitration in the UAE (including the DIFC and ADGM), Oman and Saudi Arabia.


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Relevant experience

  • An EPC contractor in a complex defects claim concerning the construction of a petrochemical plant in KSA. 
  • A contractor in relation to claims arising out of a metro project in KSA including representing the contractor in mediation. 
  • A dispute between two joint venture parties in relation to an EPC contract in connection with a power process plant in KSA.
  • A main contractor regarding claims brought against it by its steel subcontractor regarding the construction of a high rise tower in KSA. 
  • Project counsel and strategic support to a joint venture in relation to the construction of a railway in the UAE. 
  • A government entity in defending a final account claim in a DIAC arbitration in relation to an international airport terminal in the UAE.
  • A DIAC arbitration regarding the construction of two jack-up rigs in the UAE. 
  • A design consultant in defending claims in the Dubai Courts arising out of a fire at a high-rise hotel in the UAE. 
  • A contractor in a DIFC-LCIA arbitration in relation to failures in a dewatering system constructed as part of the enabling works package of a large residential development in the UAE.
  • Project counsel for an international contractor in relation to various projects in the UAE including hotels, malls and office developments.
  • A contractor in relation to a final account dispute arising out of the design and construction of the utilities works for a theme park development in the UAE.
  • An Omani Government owned water utilities company in an ICC arbitration regarding claims under a water purchase agreement.  
  • A contractor in various Muscat seated arbitrations for delay and associated costs in a number of major infrastructure projects, including Ministry projects. 
  • A contractor regarding a termination claim under an EPC contract in relation to an onshore oil and gas terminal in Oman. 
  • An engineering consultancy firm in relation to a defects claim in the Omani Courts in connection with a wastewater development project in Oman. 
  • A contractor in relation to disputes arising out of an EPC contract in relation to a gas compression and produced water transfer system in Oman. 
  • A contractor in relation to the negotiation of a FIDIC based contract regarding the construction of a large infrastructure project in Egypt.
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2008 - Postgraduate Diploma in Legal Practice, the Glasgow Graduate School of Law, Glasgow.

2007 - LLB Hons, University of Glasgow, Glasgow.

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New arbitrateAD Rules
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CMS guide on the new KSA Civil Code – Second Edition – Construction Principles
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International arbitration law and rules in United Arab Emirates
Arbitration is becoming an increasingly popular method of dispute resolution in the UAE, particularly amongst the international community. The UAE's Arbitration Law has provided a much-needed update to...
Delay claims under the FIDIC form: Obrascon challenged
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Navigating new horizons: a summary of the UAE arbitration law’s reforms
IntroductionThe UAE is reinforcing its status as a global hub for international arbitration with the recent enactment of Federal Law No. 15 of 2023, which revises certain articles of the Arbitration Law...
CMS guide on the new KSA Civil Code - First Edition – Contractual Principles
IntroductionOn 19 June 2023, Royal Decree No. M/191 (the “Civil Code”) was published in the Kingdom of Saudi Arabia’s official gazette. The Civil Code provides that it will come into effect 180...
Saudi Centre for Commercial Arbitration – Revised Arbitration Rules
IntroductionThe Saudi Centre for Commercial Arbitration (‘SCCA’) announced the publication of the revised SCCA Arbitration Rules (‘New Rules’) on 1 May 2023.  The Chairman of the SCCA Board of...
A new year, a new UAE Civil Procedure Law
On 2 January 2023 the UAE’s new Civil Procedure Law Federal Law 42 of 2022 came into effect (the “New Civil Procedure Law”). It applies to all legal proceedings before the onshore UAE courts that...
A key development in the reciprocity of enforcement between the English...
On 13 September 2022, the International Co-operation Department of the Ministry of Justice of the United Arab Emirates (the “UAE Ministry of Justice”) issued a guidance letter to the Director General...
The DIAC / LCIA joint statement 
Introduction As reported previously (here), as a result of Decree No. 34 of 2021 (the “Decree”) the DIFC-LCIA[1] Arbitration Centre was abolished as part of the consolidation of DIAC[2] as the sole...
The DIAC Rules 2022
Introduction Following the consolidation of the Dubai International Arbitration Centre (“DIAC”) as the sole arbitration centre in Dubai (as reported here), a new set of arbitral rules was published...
DIAC takes it all: the integration of Dubai’s arbitration institutions
Introduction On 14 September 2021 Decree No. 34 of 2021 (the “Decree”) was issued in Dubai in respect of the Dubai International Arbitration Centre (“DIAC”); coming into force on 20 September...