SIEMENS ELECTRONIC DESIGN AUTOMATION LTD
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Next accounts due
2026-06-30 (in 1mo)
Last filed for 2024-09-30
Confirmation statement due
2027-04-01 (in 11mo)
Last made up 2026-03-18
Watchouts
None on the register
Cash
—
Latest balance sheet
Net assets
£11M
+6% vs 2023
Employees
130
+1.6% vs 2023
Profit before tax
£4M
+18.4% vs 2023
Name history
Renamed 2 times since incorporation
- SIEMENS ELECTRONIC DESIGN AUTOMATION LTD 2021-10-01 → present
- MENTOR GRAPHICS (UK) LIMITED 1983-04-27 → 2021-10-01
- TRUSHELFCO (NO. 528) LIMITED 1983-01-27 → 1983-04-27
Net assets
2-year trend · vs Technology median
Accounts
2-year trend · latest reflected 2024-09-30
| Metric | Trend | 2023-09-30 | 2024-09-30 |
|---|---|---|---|
| Turnover | £68,809,000 | £74,512,000 | |
| Operating profit | £2,831,000 | £4,377,000 | |
| Profit before tax | £3,560,000 | £4,215,000 | |
| Net profit | £2,704,000 | £3,241,000 | |
| Cash | — | — | |
| Total assets less current liabilities | £12,252,000 | £11,902,000 | |
| Net assets | £10,621,000 | £11,260,000 | |
| Equity | £10,621,000 | £11,260,000 | |
| Average employees | 128 | 130 | |
| Wages | £14,616,000 | £15,025,000 |
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 | 2023-09-30 | 2024-09-30 |
|---|---|---|---|
| Operating margin | 4.1% | 5.9% | |
| Net margin | 3.9% | 4.3% | |
| Return on capital employed | 23.1% | 36.8% | |
| Current ratio | 1.18x | 1.07x | |
| Interest cover | 108.88x | 3.23x |
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 101
- Reporting scope
- Standalone (parent only)
- Auditor
- PricewaterhouseCoopers LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The directors monitor short-term and long-term cash flow forecasts to ensure that the Company has adequate working capital to continue in operational existence for the foreseeable future, for a period of 12 months from the approval of the financial statements. Based upon the assessment performed, the directors determined it appropriate to obtain a letter of financial support from Siemens AG covering a period of 12 months from the approval of the financial statements.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
2 active · 25 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| LEE, Geoffrey | Director | 2023-12-29 | Dec 1966 | British |
| MONAGHAN, Teresa Jane | Director | 2023-06-06 | Dec 1972 | British |
Show 25 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ARNOLD, Clive Roderick | Secretary | — | 1998-09-30 |
| BERRY, Laurence | Secretary | 2000-12-31 | 2006-03-29 |
| DAVINA, Simone Eufemia Agatha | Secretary | 2017-06-30 | 2020-06-01 |
| KAHANOV, Sharon Hana | Secretary | 2020-06-01 | 2021-12-13 |
| MORIARTY, Hugh Robert | Secretary | 2021-12-17 | 2022-10-19 |
| SIMPSON, Christine Ffoulkes | Secretary | 2006-03-27 | 2015-11-01 |
| TAYLOR, Edward | Secretary | 1998-10-01 | 2000-12-31 |
| BARTLETT, James Carnegy | Director | 1998-01-07 | 2001-07-01 |
| BERRY, Laurence | Director | 2005-05-26 | 2006-03-29 |
| BUCKLEY, Adrian Gerald | Director | 2017-06-30 | 2023-12-29 |
| CARAES, Jean-Claude, Monsieur | Director | — | 1997-02-14 |
| DELIA, Frank Stanley | Director | — | 1996-07-22 |
| FREED, Dean Mac Lean | Director | 1996-08-20 | 2017-06-30 |
| GOLDSWORTH, David Malcolm | Director | — | 1998-06-05 |
| GRAY, Daniel | Director | 2002-10-01 | 2005-03-23 |
| KRAK, Erwin | Director | 2007-03-26 | 2007-10-26 |
| LEWIS, Oliver Paul Piers | Director | 2021-03-01 | 2023-06-01 |
| MACASKILL, Darren Lee | Director | 2017-06-30 | 2021-03-01 |
| MOFFENBEIR, David Charles | Director | — | 1993-05-21 |
| O'MARA, John | Director | 2007-10-26 | 2009-11-24 |
| PARASKEVA, Mark | Director | 2001-07-01 | 2004-05-07 |
| POPP, Karsten | Director | 1998-01-07 | 2001-10-15 |
| TAYLOR, Edward | Director | 2001-07-01 | 2002-06-05 |
| VERMIJS, Walter Ernest | Director | 2009-09-24 | 2017-06-30 |
| WINDELE, Hanns Joachim | Director | 1998-07-28 | 2001-01-01 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Siemens Industry Software Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2020-04-01 | Active |
| Siemens Aktiengesellschaft | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2017-03-30 | Ceased 2020-04-01 |
| Mentor Graphics Corporation | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Ceased 2017-03-30 |
Filing timeline
Last 20 of 181 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-03-19 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-12-08 | AA | accounts | Accounts with accounts type full | |
| 2025-03-21 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-06-05 | AA | accounts | Accounts with accounts type full | |
| 2024-03-18 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-01-03 | AP01 | officers | Appoint person director company with name date | |
| 2024-01-02 | TM01 | officers | Termination director company with name termination date | |
| 2023-08-03 | AA | accounts | Accounts with accounts type full | |
| 2023-06-07 | AP01 | officers | Appoint person director company with name date | |
| 2023-06-01 | TM01 | officers | Termination director company with name termination date | |
| 2023-03-20 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-10-19 | TM02 | officers | Termination secretary company with name termination date | |
| 2022-10-04 | AA | accounts | Accounts with accounts type full | |
| 2022-05-11 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-01-06 | CH01 | officers | Change person director company with change date | |
| 2022-01-04 | PSC05 | persons-with-significant-control | Change to a person with significant control | |
| 2022-01-04 | AD01 | address | Change registered office address company with date old address new address | |
| 2021-12-17 | AP03 | officers | Appoint person secretary company with name date | |
| 2021-12-15 | TM02 | officers | Termination secretary company with name termination date | |
| 2021-10-26 | CH01 | officers | Change person director company with change date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 2
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
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 2024-09-30 vs 2023-09-30
-
Turnover
+8.3%
£68,809,000 £74,512,000
-
Cash
—
Not reported
-
Net assets
+6%
£10,621,000 £11,260,000
-
Employees
+1.6%
128 130
-
Operating profit
+54.6%
£2,831,000 £4,377,000
-
Profit before tax
+18.4%
£3,560,000 £4,215,000
-
Wages
+2.8%
£14,616,000 £15,025,000
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