ATLANTIC INERTIAL SYSTEMS LIMITED
Get an alert when ATLANTIC INERTIAL SYSTEMS LIMITED files next
Leroy will email you the moment a new filing lands at Companies House — one short note per filing, nothing else.
Next accounts due
2026-09-30 (in 4mo)
Last filed for 2024-12-31
Confirmation statement due
2027-04-25 (in 11mo)
Last made up 2026-04-11
Watchouts
None on the register
Cash
—
Latest balance sheet
Net assets
£75M
+34.4% vs 2023
Employees
291
+1.4% vs 2023
Profit before tax
£18M
+211.3% vs 2023
Name history
Renamed 1 time since incorporation
- ATLANTIC INERTIAL SYSTEMS LIMITED 2007-05-04 → present
- UK GUIDANCE ACQUISITION LIMITED 2007-04-11 → 2007-05-04
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 | £44,232,000 | £70,011,000 | |
| Operating profit | £2,949,000 | £16,212,000 | |
| Profit before tax | £5,792,000 | £18,033,000 | |
| Net profit | £4,980,000 | £19,234,000 | |
| Cash | — | — | |
| Total assets less current liabilities | £59,436,000 | £78,127,000 | |
| Net assets | £55,928,000 | £75,162,000 | |
| Equity | £55,928,000 | £75,162,000 | |
| Average employees | 287 | 291 | |
| Wages | £13,684,000 | £14,216,000 |
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 | 2023-12-31 | 2024-12-31 |
|---|---|---|---|
| Operating margin | 6.7% | 23.2% | |
| Net margin | 11.3% | 27.5% | |
| Return on capital employed | 5.0% | 20.8% | |
| Current ratio | 1.50x | 2.06x | |
| Interest cover | — | 111.04x |
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 have a reasonable expectation that the Company has adequate resources to continue in operational existence for the foreseeable future. Thus they continue to adopt the going concern basis in preparing the annual financial statements.”
Group structure
- ATLANTIC INERTIAL SYSTEMS LIMITED · parent
- Silicon Sensing Systems Limited 50%
Significant events
- “In February 2022 Russia invaded Ukraine. In response additional financial, trade, and travel sanctions were imposed on Russia and Belarus by some members of the International Community. The company does not trade or hold assets in Russia, Belarus or Ukraine and therefore is not directly affected.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
2 active · 19 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| EDWIN COE SECRETARIES LIMITED | Corporate Secretary | 2013-08-09 | — | — |
| FREER, Samantha Jayne | Director | 2024-06-04 | Jan 1974 | British |
Show 19 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| GROVES, Carter | Secretary | 2007-04-11 | 2007-12-14 |
| HARWOOD, Jonathan Alexander | Secretary | 2007-12-14 | 2010-09-17 |
| SWIFT INCORPORATIONS LIMITED | Corporate Nominee Secretary | 2007-04-11 | 2007-04-11 |
| ANSCOMBE, Simon James | Director | 2020-11-12 | 2024-09-25 |
| ARMSTRONG, Peter David | Director | 2008-10-07 | 2009-01-22 |
| ASTBURY, Susan | Director | 2007-08-20 | 2008-08-29 |
| BARNES, Stuart Peter | Director | 2014-06-05 | 2020-11-12 |
| BROOKS, Stephen | Director | 2007-04-11 | 2008-05-15 |
| CHAPMAN, James | Director | 2009-01-22 | 2012-08-17 |
| FULTON, Robert Andrew | Director | 2010-04-19 | 2014-06-16 |
| HARWOOD, Jonathan Alexander | Director | 2007-08-20 | 2010-09-17 |
| KEPPY, Justin Robert | Director | 2015-01-26 | 2019-06-03 |
| KREKEL, Tig | Director | 2007-06-14 | 2007-07-16 |
| LOFTUS, Gary John, Vice President & Gen Mgr | Director | 2010-04-19 | 2010-07-05 |
| MEPHAM, Thomas Andrew | Director | 2013-08-09 | 2015-01-26 |
| MINETT, Sarah Helen | Director | 2023-01-16 | 2025-10-31 |
| OLDHAM, David Mark | Director | 2008-05-15 | 2010-06-01 |
| PINDARD, Kevin | Director | 2013-08-09 | 2023-01-16 |
| TOUGH, Alan John | Director | 2011-03-01 | 2014-05-21 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Keeney Hill Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2022-12-01 | Active |
| Goodrich Limited | Corporate entity | Shares 75–100%, Voting 75–100% | 2017-04-06 | Ceased 2022-12-01 |
Filing timeline
Last 20 of 104 total filings
Material constitutional events — rename, articles re-file, resolution
- 2025-11-17 MA Memorandum articles
- 2025-11-17 RESOLUTIONS Resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-04-23 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-12-02 | TM01 | officers | Termination director company with name termination date | |
| 2025-11-17 | MA | incorporation | Memorandum articles | |
| 2025-11-17 | RESOLUTIONS | resolution | Resolution | |
| 2025-10-03 | AA | accounts | Accounts with accounts type full | |
| 2025-04-17 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-10-01 | AA | accounts | Accounts with accounts type full | |
| 2024-09-26 | TM01 | officers | Termination director company with name termination date | |
| 2024-06-04 | AP01 | officers | Appoint person director company with name date | |
| 2024-04-16 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-02-16 | PSC05 | persons-with-significant-control | Change to a person with significant control | |
| 2023-08-08 | AA | accounts | Accounts with accounts type full | |
| 2023-05-16 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2023-05-16 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2023-05-16 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2023-03-14 | TM01 | officers | Termination director company with name termination date | |
| 2023-02-03 | AP01 | officers | Appoint person director company with name date | |
| 2022-07-14 | AA | accounts | Accounts with accounts type full | |
| 2022-04-20 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2021-10-06 | AAMD | accounts | Accounts amended with accounts type full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 5
- Capital events
- 0
- Officers appointed
- 0
- 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
+58.3%
£44,232,000 £70,011,000
-
Cash
—
Not reported
-
Net assets
+34.4%
£55,928,000 £75,162,000
-
Employees
+1.4%
287 291
-
Operating profit
+449.7%
£2,949,000 £16,212,000
-
Profit before tax
+211.3%
£5,792,000 £18,033,000
-
Wages
+3.9%
£13,684,000 £14,216,000
Each % is (latest − prior) ÷ |prior| for the line item as filed. The comparison is only shown when the latest and prior accounts cover broadly equal-length periods — short or long stubs (typical around incorporation or a year-end change) are suppressed rather than misrepresented. Lines a company doesn't report are omitted. About these numbers