OpenRegistry
UK companies/Company owner profile

PIONEER 1 UK MASTER HOLDCO LIMITED

UK registered
openregistry-gb-13955627·4 UK shareholdings·6 ownership layers

PIONEER 1 UK MASTER HOLDCO LIMITED is a UK-registered corporate shareholder (Companies House number 13955627) and holds shares in 4 active UK companies, recorded across 4 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 5 companies spanning 6 ownership layers, of which 1 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 4 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-13955627. It ranks #7,942 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
4
Share-class positions
4
Identity
UK company 13955627
Jurisdiction
UNITED KINGDOM
Ownership layers below
6
Holdings that are holding companies
1
PSC register agrees on
4 holdings

Shareholdings

Every company PIONEER 1 UK MASTER HOLDCO LIMITED appears on as a member, as filed. 4 of 4 are linked to their Companies House profile.

Company heldStatusAccountsShare classSharesAs of
SCANBIO UK MIDCO LIMITEDopenregistry-gb-13956199ActiveGROUPORDINARY183,495,9882025-03-03
PIONEER CHALLENGER UK LIMITEDopenregistry-gb-14241193ActiveFULLB ORDINARY29,135,4492025-07-17
PERPETUM UK HOLDCO LIMITEDopenregistry-gb-14956325ActiveFULLORDINARY53,426,9602024-06-22
PIONEER BALMORAL JV LIMITED openregistry-gb-15739790ActiveFULLORDINARY SHARES41,951,2412025-05-23

Ownership structure below these holdings

5 further companies sit beneath this entity’s direct holdings, across 6 layers. Each is linked to its Companies House profile.

Related company owners

Other corporate shareholders of comparable size registered in UNITED KINGDOM: