SIGMAROC PLC

UK registered

Companies House number 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. 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 held	Status	Accounts	Share class	Shares	% of class	% of capital	Total % of capital	As of
JOHNSTON QUARRY GROUP LIMITED ▼06389667	Active	UNAUDITED ABRIDGED	ORDINARY	18,975	100.00%	100.00%	100.00%	2023-12-20
JOHNSTON QUARRY GROUP LIMITED ▼06389667	Active	UNAUDITED ABRIDGED	C ORDINARY	0		0.00%	100.00%	2023-12-20
GREENCEM LIMITED01068213	Active	UNAUDITED ABRIDGED	ORDINARY	14,700				2025-01-17
CEMFREE LIMITED02643930	Active	UNAUDITED ABRIDGED	ORDINARY	100				2024-08-24
RIGHTCAST LIMITED07702595	Active	TOTAL EXEMPTION FULL	ORDINARY "B"	3				2023-11-10
RIGHTCAST LIMITED07702595	Active	TOTAL EXEMPTION FULL	ORDINARY "A"	100				2023-11-10
GDH (HOLDINGS) LIMITED07778287	Active	TOTAL EXEMPTION FULL	ORDINARY	54,054				2021-09-19
ADAPTAVATE LIMITED09214364	Active	TOTAL EXEMPTION FULL	ORDINARY	8,107				2026-04-26
BUILDING STONE LIMITED ▼10848533	Active	UNAUDITED ABRIDGED	ORDINARY	1				2023-12-08
SIGMAFIN LIMITED ▼10919995	Active	TOTAL EXEMPTION FULL	ORDINARY	35,824,267				2025-08-09
GUITING QUARRY LIMITED11887914	Active	UNAUDITED ABRIDGED	ORDINARY	100				2022-03-17
HIGHVIZZ LIMITED12628317	Active	DORMANT	ORDINARY	100				2026-05-01
RETAINING HOLDINGS LIMITED ▼13570846	Active	UNAUDITED ABRIDGED	B ORDINARY	340				2023-11-10
RETAINING HOLDINGS LIMITED ▼13570846	Active	UNAUDITED ABRIDGED	C ORDINARY	330				2023-11-10
BUXTON LIME LIMITED ▼14245883	Active	TOTAL EXEMPTION FULL	ORDINARY	1				2024-05-29

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.

JOHNSTON QUARRY GROUP LIMITED06389667
- NAYLES BARN QUARRY LIMITED13732617 ORDINARY
  - C B COLLIER QUARRY LIMITED11792048 ORDINARY
BUILDING STONE LIMITED10848533
- CSSL NO. 2 LIMITED13366047 ORDINARY · 100.00%
SIGMAFIN LIMITED10919995
- TOPCRETE LIMITED02527437 ORDINARY
RETAINING HOLDINGS LIMITED13570846
- RETAINING (UK) LIMITED10321934 ORDINARY A / ORDINARY B / ORDINARY C · 100.00%
BUXTON LIME LIMITED14245883
- PEAK CLUSTER LIMITED15286950 ORDINARY / ORIGINAL SHAREHOLDERS T1 SHARES

Related company owners

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

DB GROUP (HOLDINGS) LIMITED01890135 2 shared holdings
TARMAC CEMENT LIMITED00066558 1 shared holding
LCIF 2 GENERAL PARTNER LIMITED12278836 1 shared holding
THE PERIVOLI FOUNDATION12552984 1 shared holding
EVENLODE IMPACT LIMITED13673026 1 shared holding
COUNTERACT ONE LPLP022724 1 shared holding

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

RENANTIS UK LIMITED04501104 12 UK holdings
NETWORK VENTURES LIMITED04881694 12 UK holdings
MMS UK HOLDINGS LIMITED04982095 12 UK holdings
ARGENTIS GROUP LTD04987966 12 UK holdings

Every company on this page is identified by its original Companies House registration number, shown beside its name and repeated in the data-company-number attribute of the same element. A shareholder that does not resolve to a registered company carries no number.

▼ 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.