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