Attached files

file filename
EX-10.19 - EX-10.19 - Valaris Ltdval-ex1019x12312020.htm
EX-32.2 - EX-32.2 - Valaris Ltdval-ex322x12312020.htm
EX-32.1 - EX-32.1 - Valaris Ltdval-ex321x12312020.htm
EX-31.2 - EX-31.2 - Valaris Ltdval-ex312x12312020.htm
EX-31.1 - EX-31.1 - Valaris Ltdval-ex311x12312020.htm
EX-23.1 - EX-23.1 - Valaris Ltdval-ex231x12312020.htm
EX-10.20 - EX-10.20 - Valaris Ltdval-ex1020x12312020.htm
EX-10.18 - EX-10.18 - Valaris Ltdval-ex1018x12312020.htm
EX-10.17 - EX-10.17 - Valaris Ltdval-ex1017x12312020.htm
10-K - 10-K - Valaris Ltdval-20201231.htm

SUBSIDIARIES OF THE REGISTRANT
Valaris plc Subsidiaries as of December 31, 2020
Company NameJurisdiction
Alpha Achiever CompanyCayman Islands
Alpha Admiral CompanyCayman Islands
Alpha Archer CompanyCayman Islands
Alpha International Drilling Company S.à r.l. (in liquidation)Luxembourg
Alpha Leasing Drilling LimitedMauritius
Alpha Mako CompanyCayman Islands
Alpha Offshore Drilling (S) Pte. Ltd.Singapore
Alpha Offshore Drilling Services Company (Ghana) LimitedGhana
Alpha Offshore Drilling Services Company LDAAngola
Alpha Offshore International Leasing LimitedEngland and Wales
ATLANTIC MARITIME SERVICES LLCDelaware
Atlantic Maritime Services LLC (Trinidad Branch)Trinidad
Atwood Advantage S.à r.l. (in liquidation)Luxembourg
Atwood Australian Waters Drilling Pty LtdWestern Australia
Atwood Beacon S.à r.l. (in liquidation)Luxembourg
Atwood Deep Seas, Ltd.Texas
Atwood Drilling LLCDelaware
Atwood Hunter LLCDelaware
Atwood Malta Holding Company LimitedMalta
Atwood Oceanics (M) Sdn. Bhd.Malaysia
Atwood Oceanics Australia Pty. LimitedWestern Australia
Atwood Oceanics Leasing LimitedLabuan FT
Atwood Oceanics LLCTexas
Atwood Oceanics Malta LimitedMalta
Atwood Oceanics Management LLCDelaware
Atwood Offshore Drilling LimitedHong Kong
Aurora Offshore Services GmbhGermany
C.A. Foravep, Forasol Venezuela de PerforacionesVenezuela
Clearways Offshore Drilling Sdn. Bhd.Malaysia
Durand Maritime S.A.S. (In Liquidation)France
Durand Maritime SAS (Mexico Branch)Mexico
ENSCO (Bermuda) LimitedBermuda
Ensco (Myanmar) LimitedRepublic of Myanmar
Ensco (Thailand) LimitedThailand
ENSCO Arabia Company LimitedSaudi Arabia
ENSCO Asia Company LLCTexas
ENSCO Asia Pacific Pte. LimitedSingapore
ENSCO Australia Pty. LimitedWestern Australia
ENSCO Capital LimitedCayman Islands
ENSCO Corporate Resources LLCDelaware
ENSCO de Venezuela, S.R.L.Venezuela
Ensco Deepwater Drilling LimitedEngland and Wales
Ensco Deepwater USA II LLCDelaware
ENSCO Development LimitedCayman 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 LLCDelaware
ENSCO Drilling Mexico LLCDelaware
Ensco Drilling Transnational Services LimitedGhana
Ensco Endeavors LimitedCayman Islands
Ensco France S.A.S.France



ENSCO Gerudi (M) Sdn. Bhd.Malaysia
ENSCO Global GmbHSwitzerland
Ensco Global II Ltd.Cayman Islands
ENSCO Global Investments LPEngland and Wales
Ensco Global LimitedCayman Islands
ENSCO Global Resources LimitedEngland and Wales
Ensco Holdco LimitedEngland and Wales
ENSCO Holding CompanyDelaware
Ensco Holdings II Ltd.Delaware
Ensco Holdings III LLCDelaware
ENSCO Holland B.V.Netherlands
Ensco Holland B.V. (Malta Branch)Malta
ENSCO IncorporatedTexas
Ensco Intercontinental GmbHSwitzerland
ENSCO International IncorporatedDelaware
Ensco International Management GP LLCDelaware
Ensco International Management LP LLCDelaware
ENSCO Investments LLCNevada
ENSCO Labuan LimitedLabuan FT
Ensco Mexico Services, S. de R.L. de C.V.Mexico
Ensco North America LLCDelaware
ENSCO North America LLC (Israel Branch)Israel
Ensco Ocean 1 CompanyCayman Islands
Ensco Ocean 2 CompanyCayman Islands
ENSCO Oceanics Company LLCDelaware
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 LLCDelaware
ENSCO Offshore LLCDelaware
Ensco Offshore Petróleo e Gás Ltda.Brazil
Ensco Offshore Services LLCDelaware
ENSCO Offshore U.K. LimitedEngland and Wales
ENSCO Overseas LimitedCayman Islands
ENSCO Services LimitedEngland and Wales
ENSCO Services LLCDelaware
Ensco South Pacific LLCDelaware
Ensco Transcontinental I LLCNevada
Ensco Transcontinental I LPEngland and Wales
Ensco Transcontinental II LLCNevada
Ensco Transcontinental II LPEngland and Wales
Ensco Transnational I Ltd. (Ivory Coast Branch)Ivory Coast
ENSCO U.K. LimitedEngland and Wales
Ensco UK Drilling LimitedEngland and Wales
ENSCO United IncorporatedDelaware
Ensco Universal Holdings I Ltd.Cayman Islands
Ensco Universal Holdings II Ltd.Cayman Islands
ENSCO Universal LimitedEngland and Wales
Ensco Vistas LimitedCayman Islands
ENSCO Worldwide GmbHSwitzerland
EnscoRowan Ghana Drilling LimitedGhana
Foradel SDN B.H.D.Malaysia
Forasub B.V.Netherlands
Forinter LimitedJersey
Great White Shark LimitedGibraltar
Green Turtle LimitedGibraltar
International Technical Services LLCDelaware



Manatee LimitedMalta
Manta Ray LimitedMalta
Marine Blue LimitedGibraltar
Ocean Deep Drilling ESV Nigeria LimitedNigeria
Offshore Drilling Services LLCDelaware
Offshore Drilling Services LLC (Mexico Branch)Mexico
P.T. ENSCO Sarida OffshoreIndonesia
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 LimitedNigeria
Pride International LLCDelaware
Pride International Management Company LPTexas
PT Alpha Offshore DrillingIndonesia
PT Pentawood Offshore DrillingIndonesia
Ralph Coffman LimitedGibraltar
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 LimitedMalta
RDC Offshore Luxembourg S.à r.l.Luxembourg
RDC Offshore Malta LimitedMalta
Rowan 350 Slot Rigs, LLCDelaware
Rowan Angola LimitadaAngola
Rowan California S.à r.l.Luxembourg
Rowan Companies LimitedEngland and Wales
Rowan Companies, LLCDelaware
Rowan Deepwater Drilling (Gibraltar) LimitedGibraltar
Rowan Do Brasil Serviços De Perfuração Ltda.Brazil
Rowan Drilling (Gibraltar) LimitedGibraltar
Rowan Drilling (Gibraltar) Limited (Indonesia PE)Indonesia
Rowan Drilling (Trinidad) Limited - Trinidad BranchTrinidad
Rowan Drilling (U.K.) LimitedScotland
Rowan Drilling (U.K.) Limited (Turkey Branch Office)Turkey
Rowan Drilling Cyprus LimitedCyprus
Rowan Drilling Services LimitedGibraltar
Rowan Drilling Services Limited (Qatar Branch Office)Qatar
Rowan Drilling Services Nigeria LimitedNigeria
Rowan Drilling, S. De R.L. De C.V.Mexico
Rowan Egypt Petroleum Services L.L.C.Egypt
Rowan Finance, LLCDelaware
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 LimitedGibraltar
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, LLCTexas
Rowan MIddle East, Inc. (Saudi Arabia Branch)Saudi Arabia



Rowan N-Class (Gibraltar) LimitedGibraltar
Rowan No. 1 LimitedEngland and Wales
Rowan No. 2 LimitedEngland
Rowan Norway Limited (FKA Rowan (Gibraltar) Limited)Gibraltar
Rowan Norway Limited (Norway Branch)Norway
Rowan Offshore (Gibraltar) LimitedGibraltar
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 LimitedCayman 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 LLCDelaware
Rowan Standard Ghana LimitedGhana
Rowan US Holdings (Gibraltar) LimitedGibraltar
Rowan, S. de R.L. de C.V.Mexico
Rowandrill Labuan LimitedLabuan
Rowandrill Malaysia Sdn. Bhd.Malaysia
Rowandrill, LLCTexas
Rowandrill, LLC (Mexico Branch)Mexico
Saudi Aramco Rowan Offshore Drilling CompanySaudi Arabia
SKDP 1 LimitedCyprus
SKDP 2 LimitedCyprus
SKDP 3 LimitedCyprus
Societe Maritime de Services "SOMASER" S.A.S.France
Sonamer LimitedBahamas
Sonamer Perfuracoes Ltd, (Sucursal em Angola)Angola
Swiftdrill MaltaMalta
Valaris plcEngland and Wales