EX-21.1 6 val-ex211x12312020.htm EX-21.1

SUBSIDIARIES OF THE REGISTRANT
Valaris plc Subsidiaries as of December 31, 2020
Company Name | Jurisdiction
Alpha Achiever Company | Cayman Islands
Alpha Admiral Company | Cayman Islands
Alpha Archer Company | Cayman Islands
Alpha International Drilling Company S.à r.l. (in liquidation) | Luxembourg
Alpha Leasing Drilling Limited | Mauritius
Alpha Mako Company | Cayman Islands
Alpha Offshore Drilling (S) Pte. Ltd. | Singapore
Alpha Offshore Drilling Services Company (Ghana) Limited | Ghana
Alpha Offshore Drilling Services Company LDA | Angola
Alpha Offshore International Leasing Limited | England and Wales
ATLANTIC MARITIME SERVICES LLC | Delaware
Atlantic Maritime Services LLC (Trinidad Branch) | Trinidad
Atwood Advantage S.à r.l. (in liquidation) | Luxembourg
Atwood Australian Waters Drilling Pty Ltd | Western Australia
Atwood Beacon S.à r.l. (in liquidation) | Luxembourg
Atwood Deep Seas, Ltd. | Texas
Atwood Drilling LLC | Delaware
Atwood Hunter LLC | Delaware
Atwood Malta Holding Company Limited | Malta
Atwood Oceanics (M) Sdn. Bhd. | Malaysia
Atwood Oceanics Australia Pty. Limited | Western Australia
Atwood Oceanics Leasing Limited | Labuan FT
Atwood Oceanics LLC | Texas
Atwood Oceanics Malta Limited | Malta
Atwood Oceanics Management LLC | Delaware
Atwood Offshore Drilling Limited | Hong Kong
Aurora Offshore Services Gmbh | Germany
C.A. Foravep, Forasol Venezuela de Perforaciones | Venezuela
Clearways Offshore Drilling Sdn. Bhd. | Malaysia
Durand Maritime S.A.S. (In Liquidation) | France
Durand Maritime SAS (Mexico Branch) | Mexico
ENSCO (Bermuda) Limited | Bermuda
Ensco (Myanmar) Limited | Republic of Myanmar
Ensco (Thailand) Limited | Thailand
ENSCO Arabia Company Limited | Saudi Arabia
ENSCO Asia Company LLC | Texas
ENSCO Asia Pacific Pte. Limited | Singapore
ENSCO Australia Pty. Limited | Western Australia
ENSCO Capital Limited | Cayman Islands
ENSCO Corporate Resources LLC | Delaware
ENSCO de Venezuela, S.R.L. | Venezuela
Ensco Deepwater Drilling Limited | England and Wales
Ensco Deepwater USA II LLC | Delaware
ENSCO Development Limited | Cayman Islands
Ensco do Brasil Petróleo e Gás Ltda. | Brazil
ENSCO Drilling (Caribbean) Inc. (Venezuela Branch) | Venezuela
ENSCO Drilling Company (Nigeria) Ltd. | Nigeria
ENSCO Drilling Company LLC | Delaware
ENSCO Drilling Mexico LLC | Delaware
Ensco Drilling Transnational Services Limited | Ghana
Ensco Endeavors Limited | Cayman Islands
Ensco France S.A.S. | France

ENSCO Gerudi (M) Sdn. Bhd. | Malaysia
ENSCO Global GmbH | Switzerland
Ensco Global II Ltd. | Cayman Islands
ENSCO Global Investments LP | England and Wales
Ensco Global Limited | Cayman Islands
ENSCO Global Resources Limited | England and Wales
Ensco Holdco Limited | England and Wales
ENSCO Holding Company | Delaware
Ensco Holdings II Ltd. | Delaware
Ensco Holdings III LLC | Delaware
ENSCO Holland B.V. | Netherlands
Ensco Holland B.V. (Malta Branch) | Malta
ENSCO Incorporated | Texas
Ensco Intercontinental GmbH | Switzerland
ENSCO International Incorporated | Delaware
Ensco International Management GP LLC | Delaware
Ensco International Management LP LLC | Delaware
ENSCO Investments LLC | Nevada
ENSCO Labuan Limited | Labuan FT
Ensco Mexico Services, S. de R.L. de C.V. | Mexico
Ensco North America LLC | Delaware
ENSCO North America LLC (Israel Branch) | Israel
Ensco Ocean 1 Company | Cayman Islands
Ensco Ocean 2 Company | Cayman Islands
ENSCO Oceanics Company LLC | Delaware
ENSCO Oceanics International Company (Abu Dhabi Branch) | Abu Dhabi
ENSCO Oceanics International Company (Brunei Branch) | Brunei
ENSCO Oceanics International Company (Dubai Branch) | Dubai
ENSCO Offshore International Company (Tunisia Branch) | Tunisia
Ensco Offshore International LLC | Delaware
ENSCO Offshore LLC | Delaware
Ensco Offshore Petróleo e Gás Ltda. | Brazil
Ensco Offshore Services LLC | Delaware
ENSCO Offshore U.K. Limited | England and Wales
ENSCO Overseas Limited | Cayman Islands
ENSCO Services Limited | England and Wales
ENSCO Services LLC | Delaware
Ensco South Pacific LLC | Delaware
Ensco Transcontinental I LLC | Nevada
Ensco Transcontinental I LP | England and Wales
Ensco Transcontinental II LLC | Nevada
Ensco Transcontinental II LP | England and Wales
Ensco Transnational I Ltd. (Ivory Coast Branch) | Ivory Coast
ENSCO U.K. Limited | England and Wales
Ensco UK Drilling Limited | England and Wales
ENSCO United Incorporated | Delaware
Ensco Universal Holdings I Ltd. | Cayman Islands
Ensco Universal Holdings II Ltd. | Cayman Islands
ENSCO Universal Limited | England and Wales
Ensco Vistas Limited | Cayman Islands
ENSCO Worldwide GmbH | Switzerland
EnscoRowan Ghana Drilling Limited | Ghana
Foradel SDN B.H.D. | Malaysia
Forasub B.V. | Netherlands
Forinter Limited | Jersey
Great White Shark Limited | Gibraltar
Green Turtle Limited | Gibraltar
International Technical Services LLC | Delaware

Manatee Limited | Malta
Manta Ray Limited | Malta
Marine Blue Limited | Gibraltar
Ocean Deep Drilling ESV Nigeria Limited | Nigeria
Offshore Drilling Services LLC | Delaware
Offshore Drilling Services LLC (Mexico Branch) | Mexico
P.T. ENSCO Sarida Offshore | Indonesia
Petroleum International Pte. Ltd. | Singapore
Pride Arabia Co. Ltd. | Saudi Arabia
Pride Foramer (Sucursal de Angola) | Angola
Pride Foramer S.A.S. | France
Pride Foramer SAS (Mexico Branch) | Mexico
Pride Forasol Drilling Nigeria Ltd. | Nigeria
Pride Forasol S.A.S. | France
Pride Global II Ltd. | British Virgin Islands
Pride Global II Ltd. (Egypt Branch) | Egypt
Pride Global Offshore Nigeria Limited | Nigeria
Pride International LLC | Delaware
Pride International Management Company LP | Texas
PT Alpha Offshore Drilling | Indonesia
PT Pentawood Offshore Drilling | Indonesia
Ralph Coffman Limited | Gibraltar
Ralph Coffman Luxembourg S.à r.l. | Luxembourg
RD International Services Pte. Ltd. | Singapore
RDC Arabia Drilling, Inc. (Bahrain Regional Branch Office) | Bahrain
RDC Arabia Drilling, Inc. (Saudi Arabia Branch Office) | Saudi Arabia
RDC Holdings Luxembourg S.à r.l. | Luxembourg
RDC Malta Limited | Malta
RDC Offshore Luxembourg S.à r.l. | Luxembourg
RDC Offshore Malta Limited | Malta
Rowan 350 Slot Rigs, LLC | Delaware
Rowan Angola Limitada | Angola
Rowan California S.à r.l. | Luxembourg
Rowan Companies Limited | England and Wales
Rowan Companies, LLC | Delaware
Rowan Deepwater Drilling (Gibraltar) Limited | Gibraltar
Rowan Do Brasil Serviços De Perfuração Ltda. | Brazil
Rowan Drilling (Gibraltar) Limited | Gibraltar
Rowan Drilling (Gibraltar) Limited (Indonesia PE) | Indonesia
Rowan Drilling (Trinidad) Limited - Trinidad Branch | Trinidad
Rowan Drilling (U.K.) Limited | Scotland
Rowan Drilling (U.K.) Limited (Turkey Branch Office) | Turkey
Rowan Drilling Cyprus Limited | Cyprus
Rowan Drilling Services Limited | Gibraltar
Rowan Drilling Services Limited (Qatar Branch Office) | Qatar
Rowan Drilling Services Nigeria Limited | Nigeria
Rowan Drilling, S. De R.L. De C.V. | Mexico
Rowan Egypt Petroleum Services L.L.C. | Egypt
Rowan Finance, LLC | Delaware
Rowan Financial Holdings S.à r.l. | Luxembourg
Rowan Finanz S.à r.l. | Luxembourg
Rowan Finanz S.à.r.l. Delaware (U.S. Branch) | Delaware
Rowan Global Drilling Services Limited | Gibraltar
Rowan Holdings Luxembourg S.à r.l. | Luxembourg
Rowan Holdings Luxembourg S.à.r.l. Delaware (U.S. Branch) | Delaware
Rowan International Rig Holdings S.à r.l. | Luxembourg
Rowan Marine Services, LLC | Texas
Rowan MIddle East, Inc. (Saudi Arabia Branch) | Saudi Arabia

Rowan N-Class (Gibraltar) Limited | Gibraltar
Rowan No. 1 Limited | England and Wales
Rowan No. 2 Limited | England
Rowan Norway Limited (FKA Rowan (Gibraltar) Limited) | Gibraltar
Rowan Norway Limited (Norway Branch) | Norway
Rowan Offshore (Gibraltar) Limited | Gibraltar
Rowan Offshore Luxembourg S.à r.l. | Luxembourg
Rowan Relentless Luxembourg S.à r.l. | Luxembourg
Rowan Reliance Luxembourg S.à r.l. | Luxembourg
Rowan Renaissance Luxembourg S.à r.l. | Luxembourg
Rowan Resolute Luxembourg S.à r.l. | Luxembourg
Rowan Rex Limited | Cayman Islands
Rowan Rigs S.à r.l. | Luxembourg
Rowan Rigs S.a.r.l. (Ghana Branch Office) | Ghana
Rowan Rigs S.a.r.l. (Suriname Branch Office) | Suriname
Rowan Services LLC | Delaware
Rowan Standard Ghana Limited | Ghana
Rowan US Holdings (Gibraltar) Limited | Gibraltar
Rowan, S. de R.L. de C.V. | Mexico
Rowandrill Labuan Limited | Labuan
Rowandrill Malaysia Sdn. Bhd. | Malaysia
Rowandrill, LLC | Texas
Rowandrill, LLC (Mexico Branch) | Mexico
Saudi Aramco Rowan Offshore Drilling Company | Saudi Arabia
SKDP 1 Limited | Cyprus
SKDP 2 Limited | Cyprus
SKDP 3 Limited | Cyprus
Societe Maritime de Services "SOMASER" S.A.S. | France
Sonamer Limited | Bahamas
Sonamer Perfuracoes Ltd, (Sucursal em Angola) | Angola
Swiftdrill Malta | Malta
Valaris plc | England and Wales