Registered Offices

Group Companies' Names, Registration Numbers & Registered Offices

(UK, Isle of Man, Jersey, Ireland and Cayman Islands companies only.)

The following companies are registered in England and Wales and have their registered office at 1 - 3 Strand, London, WC2N 5EH.

Company Name

Company Number

Assethall Limited

2326976

Beegas Nominees Limited

1903377

Birch Sites Limited

6404382

Blackwater A Limited

5046672

Blackwater B Limited

5046706

Blackwater C Limited

5046720

Blackwater D Limited

5046728

Blackwater E Limited

5046763

Blackwater H Limited

5167022

Blackwater J Limited

5167051

British Transco Finance (No 3) Limited

4292527

British Transco Finance (No 5) Limited

4394586

Britned Development Limited

4251409

Gridcom Limited

4024441

Icelink Interconnector Limited

8082355

Keyspan (UK)

3488649

Landranch Limited

1390431

Lattice Energy Services Limited

3294522

Lattice Group Employee Benefit Trust Limited

4045072

Lattice Group International Holdings Limited

4103189

Lattice Group plc

3900804

Lattice Group Trustees Limited

4082305

Lattice Opsco Limited

3294386

Mainstream Forty-Seven Limited

2460488

Natgrid Finance Holdings Limited

3703643

Natgrid Finance Limited

3696562

Natgrid Investments Limited

3737709

Natgrid Limited

3389964

Natgrid One Limited

5521240

NatgridTW1 Limited

7579324

National Grid (Southall) General Partner Limited

5123227

National Grid (Southall) LP Limited

5123241

National Grid (US) Holdings Limited

2630496

National Grid (US) Investments

3784527

National Grid (US) Investments 2 Limited

3784528

National Grid (US) Investments 3

3867114

National Grid (US) Investments 4

3867128

National Grid (US) Partner 1 Limited

4314432

National Grid (US) Partner 2 Limited

4314442

National Grid Blue Power Finance Limited

6300209

National Grid Belgium Limited

8288450

National Grid Blue Power Limited

6300210

National Grid Brazil Finance

4023797

National Grid Carbon Limited

3932833

National Grid Commercial Holdings Limited

4042700

National Grid Eight

4221347

National Grid Eighteen Limited

4491072

National Grid Electricity Group Trustee Limited

8100662

National Grid Electricity Transmission plc

2366977

National Grid Eleven

4350916

National Grid Fifteen Limited

4492534

National Grid Five Limited

3932784

National Grid Four Limited

3928172

National Grid Fourteen Limited

4382950

National Grid Gas Finance (No 1) plc

5895068

National Grid Gas Holdings Limited

3675375

National Grid Gas plc

2006000

National Grid Gold Limited

3894139

National Grid Grain LNG Limited

4463679

National Grid Holdings Limited

3096772

National Grid Holdings One plc

2367004

National Grid Interconnector Holdings Limited

8169384

National Grid Interconnectors Limited

3385525

National Grid International Limited

2537092

National Grid Land And Properties Limited

2630510

National Grid Land Developments Limited

2530995

National Grid Land Investments Limited

2394159

National Grid Metering Limited

3705992

National Grid Nemo Link Limited

8169409

National Grid Nine Limited

3932773

National Grid Nineteen Limited

4547934

National Grid NSN Link Limited

8082344

National Grid Offshore Limited

3741098

National Grid One Limited

3837074

National Grid Overseas Limited

2444202

National Grid Overseas Two Limited

3932792

National Grid plc

4031152

National Grid Property (High Wycombe) Limited

6112614

National Grid Property (Northampton) Limited

5195302

National Grid Property (Northfleet) Limited

6548124

National Grid Property (Taunton) Limited

6112616

National Grid Property (Warwick) Limited

5679150

National Grid Property Developments Limited

2630507

National Grid Property Holdings Limited

3797578

National Grid Property Limited

2531489

National Grid Seven Limited

4122358

National Grid Seventeen Limited

4492598

National Grid Six Limited

4056294

National Grid Sixteen Limited

4492574

National Grid Ten

4341097

National Grid Thirty Limited

08116497

National Grid Three Limited

3928169

National Grid Twelve Limited

4355616

National Grid Twenty Eight Limited

7926588

National Grid Twenty Five Limited

7290258

National Grid Twenty Four Limited

7005281

National Grid Twenty Limited

4547949

National Grid Twenty Nine Limited

08116471

National Grid Twenty Seven Limited

7926596

National Grid Twenty Six Limited

7290232

National Grid Twenty Three Limited

6999009

National Grid Two Limited

3875211

National Grid UK Limited

4508773

National Grid UK Pension Services Limited

3615517

National Grid Zambia Limited

4611486

NG Leasing Limited

2678223

NG Luxembourg Holdings Limited

5284989

NG Nominees Limited

2489329

NG Procurement Holdings Limited

2815241

NGC Employee Shares Trustee Limited

2536998

NGC Indus Limited

2444274

NGC Two Limited

2537095

NGC Zambia Limited

2536499

NGET / SPT Upgrades Ltd

7057886

NGG Finance (No 1) Limited

4540020

NGG Finance plc

4220381

NGG Telecoms Holdings Limited

3703629

NGG Telecoms Limited

2536498

NGP(IM7S)SUB Limited

7445757

NGRID Intellectual Property Limited

4134416

NGT Luxembourg One Limited

5284987

NGT One Limited

4865504

NGT Telecom No.1 Limited

3751494

NGT Telecom No.2 Limited

4134417

NGT Three

5234267

NGT Two Limited

5234289

NMP Limited

2823242

Port Greenwich Limited

2392867

Stargas Nominees Limited

1882366

Supergrid Electricity Limited

4563531

Supergrid Energy Transmission Limited

4165725

Supergrid Limited

2444213

Telecom International Holdings Limited

3999215

Thamesport Interchange Limited

6404380

The National Grid Group Quest Trustee Company Limited

3297313

The National Grid Investments Company

2579065

The National Grid YouPlan Trustee Limited

08709304

Transco Limited

4023840

Xoserve Limited

5046877

 

 

The following companies are registered in locations other than England and Wales
Their details (in name, number, location and address order) are listed below:  

British Transco Finance (No.1) Limited
Cayman Islands reg.64209
C/o Maples and Calder, Ugland House
South George Street, George Town, Grand Cayman,
P O Box 309 GT, Cayman Islands

British Transco Finance (No.2) Limited
Cayman Islands reg.60475
C/o Maples and Calder, Ugland House
South George Street, George Town, Grand Cayman,
P O Box 309 GT, Cayman Islands

Keyspan C.I. Ltd and Keyspan C.I. II Ltd 
Cayman Islands reg
One MetroTech Center, Brooklyn NY 11201 United States

Lattice Telecom Finance (No 1) Limited
Isle of Man reg. 104832C
UK Branch no. FC024097
Fort Anne, Douglas, 
Isle of Man, IM1 5PD

Melmar Limited
Isle of Man reg. 111774C
Third Floor, St. George's Court, Upper Church Street, Douglas,Isle of Man, IM1 1EE

National Grid Insurance Company (Ireland) Limited
Ireland reg. 367829
Ireland 38/39, Fitzwilliam Square,
Dublin
2, Ireland

National Grid (IOM) UK Ltd
Isle of Man reg. 90676C
UK Branch no. FC23647
Fort Anne, Douglas,  
Isle of Man, IM1 5PD 

National Grid (Ireland) 1 Limited
Ireland reg. 287054
UK Branch no. FC24177
25/28 North Wall Quay,
Dublin 1, Republic of Ireland

National Grid (Ireland) 2 Limited
Ireland reg. 289583
UK Branch no. FC24178
25/28 North Wall Quay,
Dublin 1, Republic of Ireland

National Grid Brazil B.V.
Netherlands reg. 33296920
UK Branch no. FC26154
Rokin 55, 1012 KK Amsterdam, Netherlands

National Grid Indus B.V.
Netherlands reg. 33281765
UK Branch no. FC023055
1 - 3 Strand, London, WC2N 5EH

National Grid Insurance Company (Isle of Man) Limited
Isle of Man  reg. 31706IOM
Third Floor, Jubilee Buildings, Victoria Street, Douglas, Isle of Man, IM1 2LR

National Grid Jersey Holdings Five Limited
Jersey  reg. 79546
Ogier House, The Esplanade, St Helier, Jersey, JE4 9WG

National Grid Jersey Investments Limited
Jersey  reg. 87703
UK Branch no. FC25510
Whiteley Chambers, Don Street, St. Helier, Jersey, Channel Islands, JE4 9WG

National Grid Netherlands Three B.V.
Netherlands reg. 24337861
UK Branch no. FC26457
1 - 3 Strand, London, WC2N 5EH

National Grid Netherlands Two B.V.
Netherlands reg. 24337864
UK Branch no. FC26456
1 - 3 Strand,London, WC2N 5EH

National Grid US 6 LLC
UK Branch no: FC028513;
2711 Centerville Road, Suite 400, New Castle County Wilmington DE 19808 United States

NG Jersey Limited
Jersey reg. 75791
Ogier House, The Esplanade, St Helier, Jersey, JE4 9WG

NG Villiers Limited Partnership
UK reg. LP012127
57 Herbert Lane, Dublin 2, Ireland

NGM1 (GBR) Limited
Gibraltar reg. 85603
UK Branch no. FC26069
57/63 Line Wall Road, Gibraltar

NGP(IM7S) Limited
Isle of Man  reg 006084V
Fort Anne
Douglas, Isle of Man IM1 5PD

NGT Five Limited
Cayman Islands reg.142996
UK Branch no. FC25897
C/o Maples and Calder,Ugland House,South George Street,George Town,
Grand Cayman, PO Box 309 GT Cayman Islands

NGT Four Limited
Cayman Islands reg. 142244
UK Branch no. FC025896
C/O M & C Corporate Services, PO Box 309GT, Ugland house, South Church Street,
Grand Cayman, Cayman Islands, Cayman Islands

NGT Holding Company (Isle of Man) Limited 
Isle of Man reg. 001264V
3rd Floor, St George's Court, Upper Church Street,
Douglas, IM1 1EE
, Isle of Man

“National Grid” is used as a trading name for a number of companies within the National Grid group. “National Grid” is a registered trade mark.