L3HARRIS CYBER-CYONYX UK LTD
Company number 09068202 · Monitor this company
Executive summary
L3Harris Cyber-Cyonyx UK Ltd represents a strategically significant, parent-backed cyber capability positioned at the nexus of transatlantic defence and intelligence requirements. Its value derives not from standalone financial scale but from its role as a trusted delivery vehicle within the L3Harris ecosystem, serving Five Eyes-aligned customers demanding sovereign cyber solutions. The recent rebranding to "Cyonyx" signals an imminent strategic evolution that warrants close monitoring, as it will likely define the entity's growth trajectory within an expanding but increasingly competitive UK defence cyber market. Success will depend on maintaining strategic relevance within the parent portfolio while scaling sufficiently to capture emerging sovereign cyber demand.
Shareholders' funds
£410,332
Balance sheet as at 2016-06-30
Overview
- Company type
- Private Limited Company
- Incorporated
- 2014-06-03
- Registered office
- 1 Blossom Yard, Fourth Floor, London, United Kingdom, E1 6RS
- Postcode
- E1 6RS
- Capital
- 100 GBP
- Accounts category
- Full
Accounts
- Last made up to
- 2026-01-02
- Next due by
- 2027-09-30
- Financial year end
- 31 December
Confirmation statement
- Last statement dated
- 2026-06-03
- Next due by
- 2027-06-17
Nature of business (SIC)
- 62012 Business and domestic software development
Officers 3 current · 10 resigned
Group structure
Controlled by L3HARRIS TECHNOLOGIES UK LIMITED — since 2021-11-17
Controlled by L3harris Technologies, Inc. (00209229) — since 2019-06-26
From persons-with-significant-control filings on the public register.
Previous company names
| Name | Date changed |
|---|---|
| L3HARRIS TRENCHANT LTD | 2026-07-01 |
| LINCHPIN LABS LIMITED | 2022-01-27 |
Previous registered addresses 2
| Address | Changed on |
|---|---|
| 71 QUEEN VICTORIA STREET, LONDON, EC4V 4BE, UNITED KINGDOM | 2019-07-17 |
| LION HOUSE RED LION STREET, LONDON, WC1R 4GB | 2016-02-29 |
Among its peers
Top 10%
by shareholders' funds, of 1,541 similar companies in E
Among the oldest 25% of its local peers, trading since 2014.
Competitors London
This company ranks 128 among business and domestic software development in London.
The class of 2014
34%
of the 4,791 companies in this sector incorporated in 2014 are still active today; 63% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 1 title
- Leasehold
- 1
- Most recent registration
- 2019-02-19
- Where
- Greater London
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| NGL985647 | Greater London | Leasehold | 2019-02-19 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.