ZUKEN LIMITED
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Cash
£1.8m
-17.5% lowest in 3 filed years
Net assets
-£7.6m
-1.5% lowest in 3 filed years
Employees
37
-2.6% lowest in 3 filed years
Profit before tax
£17k
+104.2% highest in 3 filed years
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
1 PSC ceased in last 24 months
Significant control changed hands — see the Ownership section.
-
Negative shareholders' funds
Net assets
3-year trend · vs Technology median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2026-03-31
| Metric | Trend | 2024-03-31 | 2025-03-31 | 2026-03-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £7,899,000 | £7,134,000 | £7,427,000 | +4.1% | |
| Operating profit | -£615,000 | -£455,000 | -£18,000 | +96% | |
| Profit before tax | -£564,000 | -£401,000 | £17,000 | +104.2% | |
| Net profit | -£820,000 | -£563,000 | -£115,000 | +79.6% | |
| Cash | £2,502,000 | £2,153,000 | £1,777,000 | -17.5% | |
| Total assets less current liabilities | -£6,948,000 | -£7,511,000 | -£7,626,000 | -1.5% | |
| Net assets | -£6,948,000 | -£7,511,000 | -£7,626,000 | -1.5% | |
| Equity | — | — | — | — | |
| Average employees | 48 | 38 | 37 | -2.6% | |
| Wages | £2,694,000 | £2,251,000 | £2,170,000 | -3.6% | |
| Directors' remuneration | £25,000 | £3,000 | — | — |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2024-03-31 | 2025-03-31 | 2026-03-31 |
|---|---|---|---|---|
| Operating margin | -7.8% | -6.4% | -0.2% | |
| Net margin | -10.4% | -7.9% | -1.5% | |
| Gearing (liabilities / total assets) | 248.6% | 264.6% | 263.8% | |
| Current ratio | 0.35x | 0.34x | 0.34x |
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.
Name history
Renamed 3 times since incorporation
- ZUKEN LIMITED 2000-01-13 → present
- REDAC SYSTEMS LIMITED 1994-07-29 → 2000-01-13
- RACAL-REDAC SYSTEMS LIMITED 1987-12-04 → 1994-07-29
- RACAL-REDAC LIMITED 1969-06-17 → 1987-12-04
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- KPMG LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“Notwithstanding net liabilities of £7,626,000 as at 31 March 2026 and a loss for the year then ended of £115,000 the financial statements have been prepared on a going concern basis which the directors consider to be appropriate for the following reasons.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 19 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| SANDHAM, Mark Terance | Secretary | 1995-09-29 | — | British |
| AKIMOTO, Sho | Director | 2022-10-07 | Jul 1973 | Japanese |
| TAKAGI, Ryosuke | Director | 2026-04-01 | Apr 1974 | Japanese |
Show 19 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ONO, Eiji | Secretary | 1994-06-24 | 1995-09-29 |
| WHITTAKER, David | Secretary | — | 1994-06-24 |
| DAVIES, Roy Martin | Director | — | 1997-04-01 |
| ELSBURY, David Clark | Director | 1994-03-07 | 1994-06-24 |
| FOULGER, Julian St John | Director | 1994-06-24 | 1997-04-01 |
| KARIYA, Kazuhiro | Director | 2003-01-20 | 2026-04-01 |
| KATSUBE, Jinya | Director | 1999-11-15 | 2024-05-01 |
| KATSUBE, Jinya | Director | 1994-06-24 | 1996-01-24 |
| KITAMURA, Minoru | Director | 2007-04-01 | 2009-10-19 |
| KNOWLES, Anthony Gilbert | Director | 1998-07-15 | 2003-03-31 |
| MAKI, Kashiwa | Director | 2002-07-01 | 2003-01-20 |
| MARIA, David Robert De | Director | — | 1995-01-13 |
| MONTGOMERY, Herbert Robert | Director | 1997-04-01 | 1998-04-01 |
| RICHARDSON, Martin Roger | Director | — | 1994-03-07 |
| ROLNICK, Brian Jacobs | Director | 2009-10-19 | 2011-09-01 |
| SAKATA, Yusuke | Director | 1997-04-01 | 2002-07-01 |
| VANSTONE, Gary Francis | Director | — | 1994-06-24 |
| WATANABE, Keiichi | Director | 1996-01-24 | 1999-11-15 |
| YUKAWA, Shinji | Director | 2011-09-01 | 2022-10-07 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Mr Ryosuke Takagi | Individual | Significant influence | 2026-04-01 | Active |
| Mr Kazuhiro Kariya | Individual | Significant influence | 2016-04-06 | Ceased 2026-04-01 |
Filing timeline
Last 20 of 199 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-09-22 | AA | accounts | Accounts with accounts type full | |
| 2026-08-04 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-04-01 | PSC01 | persons-with-significant-control | Notification of a person with significant control | |
| 2026-04-01 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2026-04-01 | TM01 | officers | Termination director company with name termination date | |
| 2026-04-01 | AP01 | officers | Appoint person director company with name date | |
| 2025-08-07 | AA | accounts | Accounts with accounts type full | |
| 2025-07-31 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-08-01 | AA | accounts | Accounts with accounts type full | |
| 2024-07-25 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-05-02 | TM01 | officers | Termination director company with name termination date | |
| 2024-01-04 | AA | accounts | Accounts with accounts type full | |
| 2023-07-31 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-01-06 | AA | accounts | Accounts with accounts type full | |
| 2022-10-19 | AP01 | officers | Appoint person director company with name date | |
| 2022-10-19 | TM01 | officers | Termination director company with name termination date | |
| 2022-07-28 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2022-02-21 | SH01 | capital | Capital allotment shares | |
| 2021-12-15 | AA | accounts | Accounts with accounts type full | |
| 2021-07-28 | 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.