L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED

Active
Company number 00173103Private limited companyIncorporated 1921

Key figures

£42,829,000+21.8%
Net assets 2025/26
+21.8%
Average annual growth 2024/25–2025/26
020 m40 m60 m2024/252025/26

† L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED filed these accounts on paper, so Companies House publishes them only as a scanned image. The figures for the years marked † were read automatically from the scan and kept only where the statements add up (for example net assets equal total equity), but a reading error is still possible — check the original accounts at Companies House.

Ratios

2025/26

Sector comparison

SIC 26309

Where the company stands among the 376 active companies whose first SIC code is 26309 (Manufacture of communication equipment other than telegraph, and telephone apparatus and equipment).

Turnover£33,180,000
Higher than 65% · median £14,296,036 among 35 that publish turnover
Net assets£42,829,000
Higher than 96% · median £105,995
Total assets£66,745,000
Higher than 96% · median £328,191
Cash£12,348,000
Higher than 96% · median £133,000
Company age105.7 years
Older than 99% · median 11.6 years
Largest in this sector by net assets
  1. LEONARDO UK LTD£2.1bn
  2. TUNSTALL HEALTHCARE (UK) LIMITED£328.8m
  3. MITEL EUROPE LIMITED£141m
  4. KIRINTEC LIMITED£80.6m
  5. CHELTON LIMITED£59.9m
  6. L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED£42.8m
  7. ETL SYSTEMS LIMITED£40.9m
  8. FILTRONIC PLC£35.4m
  9. ESKAN ELECTRONICS LIMITED£30.2m
  10. DOMO TACTICAL COMMUNICATIONS (DTC) LIMITED£27.9m

Positions are approximate. Figures come from each company's latest accounts; money and employee figures are compared only with companies that filed accounts in pounds for a period ending in the last two and a half years and are not dormant, so those groups are smaller than 376. The line on each bar marks the median.

Summary: L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED

What kind of company is it?

L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED is a private limited company registered with Companies House under company number 00173103. It was incorporated on 11 Feb 1921. Its status is active. The registered office is in Farnborough (GU14). Its nature of business (SIC 2007) is manufacture of communication equipment other than telegraph, and telephone apparatus and equipment (26309), other telecommunications activities (61900), information technology consultancy activities (62020).

How is the company doing financially?

The latest accounts in the database are for 2025/26 (period ending 2 Jan 2026); the company files full accounts. Turnover was £33,180,000. Profit for the year was £7,976,000. Net assets were £42,829,000, up 21.8% on the previous year. Cash at bank and in hand was £12,348,000. Total assets were £66,745,000 and total liabilities £9,883,000. Figures are available for 2 financial years (2024/25–2025/26).

How does it compare with similar companies?

Compared with 376 active companies whose first SIC code is 26309: By turnover it ranks higher than 65% of the 35 that publish turnover (median £14,296,036). By net assets it ranks higher than 96% of them (median £105,995). By total assets it ranks higher than 96% of them (median £328,191). By cash it ranks higher than 96% of them (median £133,000). It is older than 99% of them (median age 11.6 years).

Does it supply the public sector?

The company is named as a supplier in 13 public contract award notices from 2 public sector buyers since 2022. Contracts awarded to it alone have a combined published value of £216.7m. Its most frequent buyer is Ministry of Defence (12 contracts). 1 of the awards is shared with other suppliers, typically framework agreements.

What do public registers and reports show?

It appears on the Home Office register of licensed sponsors (Global Business Mobility: Senior or Specialist Worker, Skilled Worker).

Who runs and controls the company?

One person with significant control is registered.

When are its next filings due?

The next accounts are due by 30 Sep 2027. The next confirmation statement is due by 14 Dec 2026.

Filed accounts2024/25–2025/26
2024/25 †2025/26 †
Turnover42,697,00033,180,000
Profit for the year8,930,0007,976,000
Cash at bank and in hand—12,348,000
Total assets62,882,00066,745,000
Total liabilities14,719,0009,883,000
Net assets / total equity35,155,00042,829,000
Average number of employees143—

A dash (—) means no accounts were filed for that year or the item is not in the accounts; 0 is a zero stated in the accounts. Small companies usually file only a balance sheet, so the profit and loss account is often missing.

Public contracts

13 contracts

L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED is named as a supplier in 13 public contract award notices from 2 public sector buyers since 2022. The 11 contracts awarded to it alone with a published value add up to £216.7m. 1 award is shared with other suppliers and not counted in that total.

Contracts per year
Main buyers2
Ministry of Defence
12 contracts · £216.7m
Government Commercial Agency
1 contract
Contracts
  1. Tactical Communications SystemsGovernment Commercial Agency · shared by 75 suppliers, up to £8,027,000,000 in total · 3 lots · runs until Jun 2029
  2. 714739451 ASOB MMR RADIOSMinistry of Defence · £14,763,844
  3. Contract award notice‡Ministry of Defence · £11,393,875
  4. Provision of Multi-Mode Radio Post Design Support (MMR PDS)‡Ministry of Defence · £2,427,467
  5. Provision of 24 Months Technical Support to Joint Common Remote Viewing Terminal (JCRVT)MINISTRY OF DEFENCE · £1,660,000 · runs until May 2027
Show 8 more
  1. Night Vision Devices (NVD) Framework Agreement‡Ministry of Defence · £1
  2. 712786451-Provision of Multi Mode Radio (MMR) Hardware‡Ministry of Defence · £8,129,666
  3. 29 month in-service support to the Joint Common Remote Viewing Terminal (JCRVT)MINISTRY OF DEFENCE · £2,564,167
  4. The Provision of 12 months Technical Support to Joint Common Remote Viewing Terminal (JCRVT)‡Ministry of Defence · £628,557
  5. Procurement of Link 16 Tactical Data Links with Technical Assistance‡Ministry of Defence · £15,000,000
  6. Contract Award - Project TALKERMinistry of Defence · £1,581,128
  7. Contract Award NoticeMinistry of Defence · £79,269,068
  8. The Provision of Multi-Mode Radio (MMR) and Associated Ancillaries‡Ministry of Defence · £79,269,068

From contract award notices on Contracts Finder (since 2016) and Find a Tender (since 2021), published by the Cabinet Office under the Open Government Licence v3.0. Values are as published by the buyer and usually cover the whole contract term; the total leaves out awards shared between several suppliers, where the published figure is a ceiling for all of them, placeholder values and single figures of £1 billion or more. Notices marked ‡ do not state a company number and were linked by an exact match on the registered name. Contracts below the publication thresholds and those of devolved buyers that publish elsewhere are not included.

Registers and licences

Sponsor licence‡
Licence type and rating
Worker (A rating)
Routes
Global Business Mobility: Senior or Specialist Worker, Skilled Worker

On the Home Office register of licensed sponsors, which lists organisations licensed to sponsor workers from overseas.

Sources: Charity Commission for England and Wales, Care Quality Commission, Home Office and HM Revenue & Customs, under the Open Government Licence v3.0. Entries marked ‡ come from lists that do not state a company number and were linked by an exact match on the registered name.

History

8 events
  1. Financial year 2025/26 endedAccounts: turnover £33.2m, net assets £42.8m
  2. Financial year 2024/25 endedAccounts: turnover £42.7m, net assets £35.2m, 143 employees
  3. Name changed to L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITEDPreviously L3HARRIS SYSTEMS UK LIMITED
  4. Name changed to L3HARRIS SYSTEMS UK LIMITEDPreviously HARRIS SYSTEMS LIMITED
  5. L3harris Technologies Uk Limited registered as a person with significant control
  6. L3harris Technologies, Inc. ceased to be a person with significant control
  7. L3harris Technologies, Inc. registered as a person with significant control
  8. Company incorporatedPrivate limited company

Dates as recorded at Companies House: incorporation, name changes, officer appointments and resignations, current and former persons with significant control, and the end of each financial year with figures in the database.