SIC Relationship Intelligence

Ownership, Politics & Transport Graph

Trace companies, beneficial ownership claims, directors, politicians, vessels, aircraft and source-verified movement records. Every edge retains its dataset and confidence.

Graph focus

National Grid

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Direct relationships & discovery leads

64 relationships in the loaded graph sample, not the complete network. Includes unconfirmed leads, labelled separately. Read each row from subject to counterpart. Accounting consolidation is not a claim of equity ownership. A relationship does not transfer sanctions status or establish wrongdoing.

Distinct counterparts: 44
Source-attributed rows: 18
Unconfirmed leads: 46
Named source datasets: 4

Sources represented: GLEIF Level 1 · GLEIF Level 2 · companies_house_basic · swift_bic_lei_mapping. Counts describe this displayed sample, not all records or all possible chains.

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SWIFT © and database rights September 2026. All rights reserved. This Mapping Table has been developed by SWIFT. Any use of the Mapping Table, in whole or in part, is subject to the BIC/LEI Mapping Table License Agreement as published with the Mapping Table available on GLEIF’s website. The Mapping Table is updated monthly. For the latest BIC information and updates, always refer to www.swift.com/bic.

Source: Companies House public register. Contains public sector information licensed under the Open Government Licence v3.0 where applicable. Third-party rights and personal-data obligations are not waived.

Network intelligence100 loaded links · 50 discovery candidates

Relationship signals

Broad discovery graph with explicit confidence tiers. Candidate links never create a sanctions status.

1. Discover
Start broad; dashed lines are possible links, not established facts.

2. Inspect
Select a line to see its confidence and matching reasons.

3. Tighten
Optionally narrow to source-attributed relationships.

Loaded entities

32 visible

Loaded links

100

64 direct

Source datasets

in this network

Discovery candidates

explicitly marked, not discarded

Politician / PEPOfficial sanctions recordAircraftVesselMovement recordsOfficial travel filingPolitical committeeFARA disclosurePossible link

Movement records identify an aircraft or vessel, not its passengers. Ownership and control links require verification against the cited official record before use.

Source: Companies House public register. This source-reported control relationship is not an allegation. Public availability does not waive personal-data or third-party rights.

Evidence corridors

Paths to source-list records

Bounded search of the server graph, up to four hops and 48 steps per frontier entity. Includes weak discovery leads. A route never transfers an official status by proximity.

0 returned paths

No route returned within this bounded four-hop search. This does not establish that no connection exists. Discovery leads were included.

Directional relationships, source-supplied dates and original evidence links
Subject	Relationship	Counterpart	Dates & evidence
National Grid	Published identifier cross-referenceSource-attributed relationship	BIC NGRDGB2LSSC	Current status not supplied Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. swift_bic_lei_mapping
National Grid	Published identifier cross-referenceSource-attributed relationship	BIC NGRDGB2LXXX	Current status not supplied Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. swift_bic_lei_mapping
National Grid	Published identifier cross-referenceSource-attributed relationship	BIC NGRDGB2LMAN	Current status not supplied Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. swift_bic_lei_mapping
National Grid	Published identifier cross-referenceSource-attributed relationship	NATIONAL GRID PLC	Current status not supplied Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 1 · companies_house_basic
NEW ENGLAND POWER COMPANY	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2018-11-20 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NEW ENGLAND POWER COMPANYIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
National Grid Usa	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2018-12-07 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: National Grid UsaIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GAS TRANSMISSION PLC	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2023-02-14To: 2024-07-31 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GAS TRANSMISSION PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2021-06-14 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID ELECTRICITY DISTRIBUTION HOLDINGS LIMITED	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-10-02 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID ELECTRICITY DISTRIBUTION HOLDINGS LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NGC EMPLOYEE SHARES TRUSTEE LIMITED	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2017-11-10To: 2026-06-18 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NGC EMPLOYEE SHARES TRUSTEE LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2021-06-14 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
National Grid North America	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-12-08 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: National Grid North AmericaIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLC	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2021-06-14 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WALES) PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
GRAIN LNG LIMITED	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2018-08-07 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: GRAIN LNG LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLC	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2021-06-14 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID ELECTRICITY DISTRIBUTION (WEST MIDLANDS) PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID IFA 2 LIMITED	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-12-01 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID IFA 2 LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
Ross County Solar, LLC	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2023-03-16 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: Ross County Solar, LLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID CARBON LIMITED	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID CARBON LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID INTERNATIONAL LIMITED	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Not current in sourceFrom: 2014-01-04To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID INTERNATIONAL LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
BOSTON GAS COMPANY	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-08-09 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: BOSTON GAS COMPANYIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID INTERCONNECTORS LIMITED	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Not current in sourceFrom: 2017-10-24To: 2026-10-01 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID INTERCONNECTORS LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID (US) HOLDINGS LIMITED	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID (US) HOLDINGS LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
COLONIAL GAS COMPANY	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Not current in sourceFrom: 2017-08-08To: 2025-01-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: COLONIAL GAS COMPANYIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID VIKING LINK LIMITED	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2019-09-13To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID VIKING LINK LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NGG FINANCE PLC	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2017-10-25To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NGG FINANCE PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
MASSACHUSETTS ELECTRIC COMPANY	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2020-11-10 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: MASSACHUSETTS ELECTRIC COMPANYIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NIAGARA MOHAWK POWER CORPORATION	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-08-09 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NIAGARA MOHAWK POWER CORPORATIONIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
GERONIMO POWER MARKETING, LLC	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Not current in sourceFrom: 2021-10-07 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: GERONIMO POWER MARKETING, LLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
BRITISH TRANSCO INTERNATIONAL FINANCE B.V.	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2017-10-24To: 2022-03-30 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: BRITISH TRANSCO INTERNATIONAL FINANCE B.V.Identifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
BRITISH TRANSCO INTERNATIONAL FINANCE B.V.	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Not current in sourceFrom: 2017-10-24To: 2022-03-30 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: BRITISH TRANSCO INTERNATIONAL FINANCE B.V.Identifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITED	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2014-01-04To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID INTERCONNECTOR HOLDINGS LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID INTERNATIONAL LIMITED	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2014-01-04To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID INTERNATIONAL LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLC	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2021-06-14 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID ELECTRICITY DISTRIBUTION (SOUTH WEST) PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NEMO LINK LIMITED	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Not current in sourceFrom: 2020-01-03To: 2026-10-01 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NEMO LINK LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
BRITNED DEVELOPMENT LIMITED	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-10-23 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: BRITNED DEVELOPMENT LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID VIKING LINK LIMITED	Direct accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2021-09-13To: 2026-10-01 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID VIKING LINK LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NEMO LINK LIMITED	Ultimate accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2020-01-06To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NEMO LINK LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
Fayette Solar, LLC	Ultimate accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2023-03-16 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: Fayette Solar, LLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NGG FINANCE PLC	Direct accounting consolidation intoSource-attributed relationship	National Grid	Not current in sourceFrom: 2017-10-25To: 2023-10-24 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NGG FINANCE PLCIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2
NATIONAL GRID IFA 2 LIMITED	Direct accounting consolidation intoDiscovery lead — unconfirmed	National Grid	Current in source snapshotFrom: 2017-12-01 Imported source referenceA publisher, dataset or entity link is not independently verified evidence of this exact relationship. Entity record: NATIONAL GRID IFA 2 LIMITEDIdentifies this endpoint; does not by itself substantiate the edge. Entity record: National GridIdentifies this endpoint; does not by itself substantiate the edge. GLEIF Level 2