OpenRegistry
UK companies/Company owner profile

MAYFLY INVESTMENTS LIMITED

UK registered
openregistry-gb-07678429·3 UK shareholdings·2 ownership layers

MAYFLY INVESTMENTS LIMITED is a UK-registered corporate shareholder (Companies House number 07678429) and holds shares in 3 active UK companies, recorded across 6 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 2 companies spanning 2 ownership layers, of which 1 direct holdings are themselves holding companies. Sophymarine OpenRegistry ID openregistry-gb-07678429. It ranks #12,845 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
3
Share-class positions
6
Identity
UK company 07678429
Jurisdiction
UNITED KINGDOM
Ownership layers below
2
Holdings that are holding companies
1

Shareholdings

Every company MAYFLY INVESTMENTS LIMITED appears on as a member, as filed. 3 of 3 are linked to their Companies House profile.

Company heldStatusShare classShares% of class% of capitalTotal % of capitalAs of
ADVANCED MATERIAL DEVELOPMENT LIMITED openregistry-gb-10849490ActiveORDINARY A1,7180.79%0.78%0.78%2026-06-04
LOCKER ARCHITECTURAL LIMITEDopenregistry-gb-06752595ActiveA ORDINARY1,1812025-11-16
B ORDINARY123
LOCKER HOLDINGS LIMITEDopenregistry-gb-08474528ActiveORDINARY A157,5002025-07-15
ORDINARY B15,750
ORDINARY C147

Ownership structure below these holdings

2 further companies sit beneath this entity’s direct holdings, across 2 layers. Each is linked to its Companies House profile.

Related company owners

Corporate shareholders that hold shares in the same UK companies as MAYFLY INVESTMENTS LIMITED:

Other corporate shareholders of comparable size registered in UNITED KINGDOM: