OpenRegistry
UK companies/Company owner profile

SIGMAROC PLC

UK registered
openregistry-gb-05204176·12 UK shareholdings·3 ownership layers

SIGMAROC PLC is a UK-registered corporate shareholder (Companies House number 05204176) and holds shares in 12 active UK companies, recorded across 15 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 6 companies spanning 3 ownership layers, of which 7 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 11 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-05204176. It ranks #1,057 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
12
Share-class positions
15
Identity
UK company 05204176
Jurisdiction
UNITED KINGDOM
Ownership layers below
3
Holdings that are holding companies
7
PSC register agrees on
11 holdings

Company profile

Companies House profile of SIGMAROC PLC

Shareholders

Shares held by SIGMAROC PLC in 12 UK companies

Ownership chain

6 companies across 3 layers beneath SIGMAROC PLC

Official record

Companies House record 05204176

Shareholdings

Every company SIGMAROC PLC appears on as a member, as filed. 12 of 12 are linked to their Companies House profile.

Company heldStatusAccountsShare classShares% of class% of capitalTotal % of capitalAs of
JOHNSTON QUARRY GROUP LIMITED ▼openregistry-gb-06389667ActiveUNAUDITED ABRIDGEDORDINARY18,975100.00%100.00%100.00%2023-12-20
C ORDINARY00.00%
RIGHTCAST LIMITEDopenregistry-gb-07702595ActiveTOTAL EXEMPTION FULLORDINARY "A"1002023-11-10
ORDINARY "B"3
GDH (HOLDINGS) LIMITEDopenregistry-gb-07778287ActiveTOTAL EXEMPTION FULLORDINARY54,0542021-09-19
ADAPTAVATE LIMITEDopenregistry-gb-09214364ActiveTOTAL EXEMPTION FULLORDINARY8,1072026-04-26
GUITING QUARRY LIMITEDopenregistry-gb-11887914ActiveUNAUDITED ABRIDGEDORDINARY1002022-03-17
HIGHVIZZ LIMITEDopenregistry-gb-12628317ActiveDORMANTORDINARY1002026-05-01
BUILDING STONE LIMITED ▼openregistry-gb-10848533ActiveUNAUDITED ABRIDGEDORDINARY12023-12-08
SIGMAFIN LIMITED ▼openregistry-gb-10919995ActiveTOTAL EXEMPTION FULLORDINARY35,824,2672025-08-09
RETAINING HOLDINGS LIMITED ▼openregistry-gb-13570846ActiveUNAUDITED ABRIDGEDB ORDINARY3402023-11-10
C ORDINARY330
GREENCEM LIMITEDopenregistry-gb-01068213ActiveUNAUDITED ABRIDGEDORDINARY14,7002025-01-17
BUXTON LIME LIMITED ▼openregistry-gb-14245883ActiveTOTAL EXEMPTION FULLORDINARY12024-05-29
CEMFREE LIMITEDopenregistry-gb-02643930ActiveUNAUDITED ABRIDGEDORDINARY1002024-08-24

Ownership structure below these holdings

6 further companies sit beneath this entity’s direct holdings, across 3 layers. Each is linked to its Companies House profile.

Related company owners

Corporate shareholders that hold shares in the same UK companies as SIGMAROC PLC:

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

Need the registered office, SIC code, accounts and filing history for SIGMAROC PLC? Open its Companies House profile at https://openregistry.sophymarine.com/insights/gb/05204176-sigmaroc-plc.

▼ marks a holding that itself holds shares in further companies, so ownership continues below it.

“% of capital” is the entity’s share of issued capital by nominal value, the correct basis when a company has multiple share classes.

Figures are as filed on each company’s most recent confirmation statement; the “As of” column gives that statement date. Source: Companies House Free Company Data and CS01 confirmation statements. Official record: find-and-update.company-information.service.gov.uk.