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
JV Nominees 2012 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
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.