EX-21.1 2 val-ex211x12312023.htm EX-21.1
Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT
Valaris Limited Subsidiaries as of December 31, 2023
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. | Luxembourg
Alpha Leasing Drilling Limited | Mauritius
Alpha Manta Company | Cayman Islands
Alpha Offshore Drilling (S) Pte. Ltd. | Singapore
Alpha Offshore Drilling Services Company (Ghana) Limited | Ghana
Atlantic Maritime Services LLC | Delaware
Atwood Advantage S.à r.l. | Luxembourg
Atwood Australian Waters Drilling Pty Ltd | Western Australia
Atwood Oceanics (M) Sdn. Bhd. | Malaysia
Atwood Oceanics Australia Pty. Limited | Western Australia
Atwood Oceanics Leasing Limited | Labuan FT
Atwood Oceanics Pacific Limited | Cayman Islands
Atwood Offshore Drilling Limited | Hong Kong
Atwood Offshore Worldwide Limited | Cayman Islands
Aurora Offshore Services Gmbh | Germany
C.A. Foravep, Forasol Venezuela de Perforaciones | Venezuela
Clearways Offshore Drilling Sdn. Bhd. | Malaysia
Durand Maritime S.A.S. | France
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 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 do Brasil Petróleo e Gás Ltda. | Brazil
ENSCO Drilling Company (Nigeria) Ltd. | Nigeria
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 Resources Limited | England and Wales
Ensco Holdco Limited | England and Wales
ENSCO Holding Company | Delaware
ENSCO Holland B.V. | Netherlands
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 Maritime Limited | Bermuda
Ensco Mexico Services, S. de R.L. de C.V. | Mexico
Ensco Ocean 1 Company | Cayman Islands
Ensco Ocean 2 Company | Cayman Islands

Exhibit 21.1

ENSCO Oceanics Company LLC | Delaware
ENSCO Oceanics International Company | Cayman Islands
ENSCO Offshore International Company | Cayman Islands
ENSCO Offshore LLC | Delaware
Ensco Offshore Petróleo e Gás Ltda. | Brazil
ENSCO Offshore U.K. Limited | England and Wales
ENSCO Overseas Limited | Cayman Islands
ENSCO Services Limited | England and Wales
ENSCO Services 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 U.K. Limited | England and Wales
Ensco UK Drilling Limited | England and Wales
ENSCO Universal Limited | England and Wales
ENSCO Worldwide GmbH | Switzerland
EnscoRowan Ghana Drilling Limited | Ghana
Foradel SDN B.H.D. | Malaysia
Forasub B.V. | Netherlands
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
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 Forasol Drilling Nigeria Ltd. | Nigeria
Pride Forasol S.A.S. | France
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
RCI International, Inc. | Cayman Islands
RD International Services Pte. Ltd. | Singapore
RDC Holdings Luxembourg S.à r.l. | Luxembourg
RDC Malta Limited | Malta
RDC Offshore Malta Limited | Malta
Rowan 350 Slot Rigs, LLC | Delaware
Rowan Angola Limitada | Angola
Rowan Companies Limited | England and Wales
Rowan Companies, LLC | Delaware
Rowan Deepwater Drilling (Gibraltar) Limited | Gibraltar
Rowan Drilling (Gibraltar) Limited | Gibraltar
Rowan Drilling (Gibraltar) Limited (Indonesia PE) | Indonesia
Rowan Drilling (U.K.) Limited | Scotland
Rowan Drilling Cyprus Limited | Cyprus
Rowan Drilling Services Limited | Gibraltar
Rowan Drilling Services Nigeria Limited | Nigeria

Exhibit 21.1

Rowan Egypt Petroleum Services L.L.C. | Egypt
Rowan Financial Holdings S.à r.l. | Luxembourg
Rowan Global Drilling Services Limited | Gibraltar
Rowan Holdings Luxembourg S.à r.l. | Luxembourg
Rowan International Rig Holdings S.à r.l. | Luxembourg
Rowan Marine Services, LLC | Texas
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 Offshore (Gibraltar) Limited | Gibraltar
Rowan Offshore Luxembourg S.à r.l. | Luxembourg
Rowan Rex Limited | Cayman Islands
Rowan Rigs S.à r.l. | Luxembourg
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
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 Perfuracoes Ltd, (Sucursal em Angola) | Angola
Valaris Finance Company LLC | Delaware
Valaris Holdco 1 Limited | Bermuda
Valaris Holdco 2 Limited | Bermuda
Valaris Tenerife SL | Spain
Valaris United LLC | Delaware