HALMA PUBLIC LIMITED COMPANY

UK registered

Companies House number 00040932·19 UK shareholdings·4 ownership layers

HALMA PUBLIC LIMITED COMPANY is a UK-registered corporate shareholder (Companies House number 00040932) and holds shares in 19 active UK companies, recorded across 26 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 11 companies spanning 4 ownership layers, of which 8 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 15 of these holdings. It ranks #435 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
19

Share-class positions
26

Identity
UK company 00040932

Jurisdiction
UNITED KINGDOM

Ownership layers below
4

Holdings that are holding companies
8

PSC register agrees on
15 holdings

Company profile

Companies House profile of HALMA PUBLIC LIMITED COMPANY

Shareholders

Shares held by HALMA PUBLIC LIMITED COMPANY in 19 UK companies

Ownership chain

11 companies across 4 layers beneath HALMA PUBLIC LIMITED COMPANY

Official record

Companies House record 00040932

Shareholdings

Every company HALMA PUBLIC LIMITED COMPANY appears on as a member, as filed. 19 of 19 are linked to their Companies House profile.

Company held	Status	Share class	Shares	% of class	% of capital	Total % of capital	As of
FIRE FIGHTING ENTERPRISES LIMITED01679486	Active	ORDINARY SHARES OF £1	1,000	100.00%	100.00%	100.00%	2025-08-14
ROHRBACK COSASCO SYSTEMS UK LIMITED04982382	Active	ORDINARY SHARES OF £1	1,000	100.00%	100.00%	100.00%	2025-08-14
STATIC SYSTEMS HOLDINGS LIMITED ▼08198188	Active	ORDINARY	303,127	100.00%	100.00%	100.00%	2021-08-31
M.K. TEST SYSTEMS LTD.02706775	Active	DEFERRED	1,000,000	100.00%	99.21%	100.00%	2025-07-30
M.K. TEST SYSTEMS LTD.02706775	Active	ORDINARY	8,000	100.00%	0.79%	100.00%	2025-07-30
JAM TOPCO LIMITED ▼09147859	Active	A ORDINARY	697,554	100.00%	59.37%	100.00%	2025-07-15
		B ORDINARY	302,445	100.00%	25.74%
		ORDINARY	174,987	100.00%	14.89%
THERMOCABLE (FLEXIBLE ELEMENTS) LIMITED00747791	Active	ORDINARY B	90				2023-03-31
		ORDINARY A	510
		ORDINARY	15
DIBA INDUSTRIES LIMITED01138135	Active	ORDINARY	145,821				2024-03-02
HALMA INTERNATIONAL LIMITED ▼01206652	Active	ORDINARY SHARES OF £1	1,500,205				2026-02-25
MEADOWBRIDGE HOLDINGS LIMITED01210055	Active	ORDINARY SHARES OF £1	2				2023-08-14
NUVONIC LIMITED01473077	Active	ORDINARY	500,001				2025-09-10
APOLLO FIRE DETECTORS LIMITED01483208	Active	DEFERRED	75,250				2023-03-31
APOLLO FIRE DETECTORS LIMITED01483208	Active	ORDINARY	75,250				2023-03-31
CASTELL SAFETY INTERNATIONAL LIMITED01514709	Active	ORDINARY	500,000				2023-06-15
ZONEGREEN LIMITED01811556	Active	ORDINARY-C	2,550				2025-07-02
ZONEGREEN LIMITED01811556	Active	ORDINARY-A	7,048				2025-07-02
RAMTECH ELECTRONICS LIMITED02538255	Active	ORDINARY	100				2025-09-10
DCR INSPECTION SYSTEMS LIMITED06203353	Active	ORDINARY	30				2026-04-04
NIMBUS DIGITAL SOLUTIONS LTD06567207	Active	ORDINARY GBP1 SHARES	100				2024-04-16
HALMA EURO TRADING LIMITED ▼06989991	Active	ORDINARY	140				2025-08-14
ALPHA INSTRUMATICS HOLDING COMPANY LIMITED ▼11439064	Active	ORDINARY	100				2024-06-27
HALMA VENTURES LIMITED ▼12148090	Active	ORDINARY	108				2024-08-08

Ownership structure below these holdings

11 further companies sit beneath this entity’s direct holdings, across 4 layers. Each is linked to its Companies House profile.

STATIC SYSTEMS HOLDINGS LIMITED08198188
- STATIC SYSTEMS GROUP LIMITED01331299 ORDINARY / PREFERENCE · 100.00%
JAM TOPCO LIMITED09147859
- JAM BIDCO LIMITED09168083 ORDINARY · 100.00%
  - MK TEST GROUP LIMITED06777534 ORDINARY · 100.00%
HALMA INTERNATIONAL LIMITED01206652
- HALMA AUSTRALASIA HOLDINGS LIMITED13089378 ORDINARY
- HALMA OVERSEAS FUNDING LIMITED06503844 ORDINARY SHARES
  - EIFFEL HOLDINGS LIMITED11858999 ORDINARY
    - EIFFEL INVESTMENTS UK LIMITED11863431 ORDINARY
ALPHA INSTRUMATICS HOLDING COMPANY LIMITED11439064
- AMSGRO LIMITED04785275 ORDINARY A · 100.00%
  - ALPHA MOISTURE SYSTEMS LIMITED03902302 ORDINARY
  - EDGETECH INSTRUMENTS UK LIMITED08876091 ORDINARY
HALMA VENTURES LIMITED12148090
- OXA AUTONOMY LTD09242359 SERIES B PREFERRED / SERIES C PREFERRED

Related company owners

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

RENTOKIL INITIAL UK LTD00301044 19 UK holdings
BELLS ENGINEERING LIMITED00328958 19 UK holdings
DORRINGTON RESIDENTIAL LIMITED00561043 19 UK holdings
JD SPORTS FASHION PLC01888425 19 UK holdings
TOTALENERGIES RENEWABLES UK LIMITED02466611 19 UK holdings
BSI WIND LTDNI628049 20 UK holdings
TURQUOISE CAPITAL LLPOC315574 20 UK holdings
BRODIES & CO. (TRUSTEES) LIMITEDSC036854 20 UK holdings
BARWELL PLCSC142927 20 UK holdings
G U HOLDINGS LIMITEDSC176354 20 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.