LEIDOS SECURITY DETECTION & AUTOMATION U.K. LTD.
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Next accounts due
2026-09-30 (in 4mo)
Last filed for 2024-12-31
Confirmation statement due
2026-06-25 (in 1mo)
Last made up 2025-06-11
Watchouts
None on the register
Cash
£16M
+54.8% vs 2023
Net assets
£83M
-2.3% vs 2023
Employees
246
-3.1% vs 2023
Profit before tax
-£1M
-792.7% vs 2023
Name history
Renamed 2 times since incorporation
- LEIDOS SECURITY DETECTION & AUTOMATION U.K. LTD. 2020-05-27 → present
- L-3 COMMUNICATIONS U.K. LTD. 1997-06-17 → 2020-05-27
- AUDITRAIL LIMITED 1997-06-11 → 1997-06-17
Net assets
2-year trend · vs Technology median
Accounts
2-year trend · latest reflected 2024-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 |
|---|---|---|---|
| Turnover | £79,009,295 | £78,581,226 | |
| Operating profit | -£4,331,270 | -£1,572,154 | |
| Profit before tax | £157,656 | -£1,092,014 | |
| Net profit | £278,107 | -£1,978,485 | |
| Cash | £10,614,944 | £16,431,712 | |
| Total assets less current liabilities | £86,172,529 | £84,558,694 | |
| Net assets | £84,985,114 | £83,006,629 | |
| Equity | £84,985,114 | £83,006,629 | |
| Average employees | 254 | 246 | |
| Wages | £16,319,208 | £15,539,955 |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2023-12-31 | 2024-12-31 |
|---|---|---|---|
| Operating margin | -5.5% | -2.0% | |
| Net margin | 0.4% | -2.5% | |
| Return on capital employed | -5.0% | -1.9% | |
| Current ratio | 3.55x | 3.42x | |
| Interest cover | -213.89x | -77.10x |
Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Deloitte LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The ultimate parent company, Leidos Holdings, Inc., has provided guarantees of ongoing financial support. The directors, having assessed the company's financial position, have no reason to believe that a material uncertainty exists that casts significant doubt over the company's ability to continue as a going concern or jeopardise its ability to continue with the current banking arrangements.”
Group structure
- LEIDOS SECURITY DETECTION & AUTOMATION U.K. LTD. · parent
- Leidos Security and Automation Limited 100%
- Leidos Industrial Engineers Limited 100%
- Leidos Automation Limited 100%
- Leidos Security Detection & Automation LLC 100%
- MacDonald Humfrey (Automation) India Private Limited 99.99%
Significant events
- “On 24 October 2022, the company placed its wholly owned subsidiary Leidos Security and Automation Limited into Members Voluntary Liquidation as part of the group reconstruction transacted during the year ended 31 December 2021.”
- “On 24 October 2022, the company’s wholly owned subsidiary Leidos Industrial Engineers Limited placed its wholly owned subsidiary Leidos Automation Limited into Members Voluntary Liquidation as part of the group reconstruction transacted during the year ended 31 December 2021.”
- “On 07 March 2025, the Board approved the declaration of a dividend totalling GBP 10,649,987 (USD 14,085,420.70), payable on May 8, 2025, to Leidos, Inc., the sole stockholder of the Company.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
5 active · 21 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| BERTOLO CANARIM, Henrique | Secretary | 2023-09-08 | — | — |
| ABOGADO NOMINEES LIMITED | Corporate Nominee Secretary | 1997-06-16 | — | — |
| ANTAL, Daniel John | Director | 2024-04-01 | Mar 1971 | American |
| HALL, Andrew Harvey | Director | 2024-02-07 | Nov 1969 | British |
| STEVENS, Roy Eugene | Director | 2026-03-31 | Feb 1968 | American |
Show 21 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| CAMBRIA, Christopher | Secretary | 1997-06-17 | 2009-01-23 |
| WINTER, Benjamin Andrew | Secretary | 2020-06-01 | 2023-09-08 |
| THE COMPANY REGISTRATION AGENTS LIMITED | Corporate Nominee Secretary | 1997-06-11 | 1997-06-16 |
| AZMON, Dan Yaakov | Director | 2009-11-24 | 2019-07-31 |
| CAGE, Christopher Ryan | Director | 2021-09-24 | 2023-06-13 |
| CAMBRIA, Christopher | Director | 2005-08-19 | 2009-01-23 |
| COOK, Ronald | Director | 2011-04-07 | 2019-09-20 |
| D'AMBROSIO, Ralph | Director | 2009-03-25 | 2009-11-24 |
| D'AMOUR, Scott Michael | Director | 2023-06-13 | 2023-10-06 |
| HOWE, JR., Jerald S | Director | 2020-05-04 | 2024-04-01 |
| LANZA, Frank Carmello | Director | 1997-06-17 | 2006-06-06 |
| LAPENTA, Robert Vincent | Director | 1997-06-17 | 2005-03-31 |
| MANDLER, Ronald Mark | Director | 2009-03-25 | 2019-07-31 |
| MIKUEN, Scott Theodore | Director | 2019-08-01 | 2020-05-04 |
| REAGAN, James Corbett | Director | 2020-05-04 | 2021-09-24 |
| SCHMANSKE, Mary Victoria | Director | 2024-02-07 | 2026-03-31 |
| TAYLOR, Todd Allen | Director | 2019-08-01 | 2020-05-04 |
| TURLEY, Brendan Bernard | Director | 2020-05-04 | 2024-02-07 |
| ABOGADO CUSTODIANS LIMITED | Corporate Nominee Director | 1997-06-16 | 1997-06-17 |
| ABOGADO NOMINEES LIMITED | Corporate Nominee Director | 1997-06-16 | 1997-06-17 |
| LUCIENE JAMES LIMITED | Corporate Nominee Director | 1997-06-11 | 1997-06-16 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Leidos, Inc. | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2020-05-04 | Ceased 2020-05-04 |
| Leidos Holdings, Inc. | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2020-05-04 | Active |
| L3 Commercial Training Solutions Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Ceased 2020-05-04 |
Filing timeline
Last 20 of 161 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-04-22 | AP01 | officers | Appoint person director company with name date | |
| 2026-04-20 | TM01 | officers | Termination director company with name termination date | |
| 2025-09-25 | AA | accounts | Accounts with accounts type full | |
| 2025-06-12 | AD02 | address | Change sail address company with old address new address | |
| 2025-06-12 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-06-12 | CH04 | officers | Change corporate secretary company with change date | |
| 2024-09-27 | AA | accounts | Accounts with accounts type full | |
| 2024-06-19 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-04-02 | AD02 | address | Change sail address company with old address new address | |
| 2024-04-02 | CH04 | officers | Change corporate secretary company with change date | |
| 2024-04-02 | AP01 | officers | Appoint person director company with name date | |
| 2024-04-02 | TM01 | officers | Termination director company with name termination date | |
| 2024-02-07 | TM01 | officers | Termination director company with name termination date | |
| 2024-02-07 | AP01 | officers | Appoint person director company with name date | |
| 2024-02-07 | AP01 | officers | Appoint person director company with name date | |
| 2023-10-16 | AA | accounts | Accounts with accounts type full | |
| 2023-10-11 | TM01 | officers | Termination director company with name termination date | |
| 2023-09-21 | AP03 | officers | Appoint person secretary company with name date | |
| 2023-09-21 | TM02 | officers | Termination secretary company with name termination date | |
| 2023-06-21 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 0
- Officers appointed
- 1
- Officers resigned
- 1
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.
Year-on-year
FY2023 → FY2024 · period ending 2024-12-31 vs 2023-12-31
-
Turnover
-0.5%
£79,009,295 £78,581,226
-
Cash
+54.8%
£10,614,944 £16,431,712
-
Net assets
-2.3%
£84,985,114 £83,006,629
-
Employees
-3.1%
254 246
-
Operating profit
+63.7%
-£4,331,270 -£1,572,154
-
Profit before tax
-792.7%
£157,656 -£1,092,014
-
Wages
-4.8%
£16,319,208 £15,539,955
Each % is (latest − prior) ÷ |prior| for the line item as filed. Periods don't have to be exactly 12 months apart — a long or short period (typical around incorporation or year-end changes) will distort the comparison. Lines a company doesn't report are omitted. About these numbers