L3harris Technologies UK Topco Limited

Active12550067 Private limited company

Incorporated: 7 April 2020 (6 years)
Industry: Activities of other holding companies n.e.c. (64209)
Directors: Christoph Theodor Feddersen
John Philip Cantillon
Controlled by: L3harris Technologies Inc
Accounts type: Full
Region: Greater London
Address: 1 Blossom Yard
Fourth Floor
London
E1 6RS

Filing status

Accounts due: 30 September 2027
Last accounts: 2 January 2026
Conf. stmt due: 20 April 2027
Last conf. stmt: 6 April 2026

Officers 3 active

Officer details are public data from the Companies House register.

Director · Appointed 14 August 2024

Also at L3harris Autonomous Surface Vehicles Limited, L3harris Defence Investments Limited, L3harris Technology & Services UK Ltd · more companies

American

Born June 1971 (55)

Cantillon, John Philip

Director · Appointed 25 April 2024

Also at L3harris Communications Systems UK Limited, L3harris Cyber-Cyonyx UK Ltd, L3harris Defence Investments Limited · more companies

American

Born March 1966 (60)

Reed Smith Corporate Services Limited

Corporate Secretary · Appointed 28 December 2023

Also at Sogea-Satom UK Limited (proposed for strike-off), The Marsden Group Europe Limited, Microsoft Research Limited · more companies

Officer history (6 former)

14 August 2024

Appointed Feddersen, Christoph Theodor as Director

14 August 2024

Resigned Mikuen, Scott Theodore as Director

2 May 2024

Resigned Epasinghe, Surangi Ruvanthi as Director

25 April 2024

Appointed Cantillon, John Philip as Director

25 April 2024

Resigned Montesi, Corliss Jeanne as Director

28 December 2023

Appointed Reed Smith Corporate Services Limited as Corporate Secretary

12 June 2023

Appointed Montesi, Corliss Jeanne as Director

12 June 2023

Appointed Mikuen, Scott Theodore as Director

12 June 2023

Appointed Epasinghe, Surangi Ruvanthi as Director

12 June 2023

Resigned Schumacher, Kristene Ann as Director

2 September 2021

Resigned Taylor, Todd Allen as Director

25 June 2021

Appointed Schumacher, Kristene Ann as Director

25 June 2021

Resigned Mikuen, Scott Theodore as Director

7 April 2020

Appointed Mikuen, Scott Theodore as Director

7 April 2020

Appointed Taylor, Todd Allen as Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

L3harris Technologies Inc

Corporate entity · Notified 7 April 2020

Has significant influence or control

Corporation

Reg. no. 209229

Holdings 1

Companies where L3harris Technologies UK Topco Limited is registered as a person with significant control

L3harris Technology & Services UK Ltd

Owns 75–100% of shares

Active

Filings 64

Date	Description	Made Up To
25 July 2026	Full accounts	2 January 2026
22 April 2026	Confirmation statement with no updates	6 April 2026
7 April 2026	Director's details changed
7 October 2025	Full accounts	3 January 2025
17 April 2025	Confirmation statement with updates	6 April 2025