CALIX NETWORKS UK LTD
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Next accounts due
2026-09-30 (in 4mo)
Last filed for 2024-12-31
Confirmation statement due
2027-02-24 (in 9mo)
Last made up 2026-02-10
Watchouts
None on the register
Cash
£2M
+2.3% vs 2023
Net assets
£6M
+9.1% vs 2023
Employees
24
+4.3% vs 2023
Profit before tax
£325K
-3.4% vs 2023
Net assets
2-year trend · vs Telecommunications median
Accounts
2-year trend · latest reflected 2024-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 |
|---|---|---|---|
| Turnover | £6,966,255 | £6,394,303 | |
| Operating profit | £331,813 | £304,491 | |
| Profit before tax | £336,371 | £324,785 | |
| Net profit | £273,595 | £194,620 | |
| Cash | £1,528,381 | £1,562,936 | |
| Total assets less current liabilities | £5,400,714 | £5,894,652 | |
| Net assets | £5,400,714 | £5,894,652 | |
| Equity | £5,400,714 | £5,894,652 | |
| Average employees | 23 | 24 | |
| Wages | £4,186,646 | £3,884,403 | |
| Directors' remuneration | — | — |
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
Year-on-year
FY2023 → FY2024 · period ending 2024-12-31 vs 2023-12-31
-
Turnover
-8.2%
£6,966,255 £6,394,303
-
Cash
+2.3%
£1,528,381 £1,562,936
-
Net assets
+9.1%
£5,400,714 £5,894,652
-
Employees
+4.3%
23 24
-
Operating profit
-8.2%
£331,813 £304,491
-
Profit before tax
-3.4%
£336,371 £324,785
-
Wages
-7.2%
£4,186,646 £3,884,403
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
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2023-12-31 | 2024-12-31 |
|---|---|---|---|
| Operating margin | 4.8% | 4.8% | |
| Net margin | 3.9% | 3.0% | |
| Return on capital employed | 6.1% | 5.2% | |
| Current ratio | 6.68x | 9.61x |
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
- KPMG LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“After making enquiries, the Directors have a reasonable expectation that the Company has adequate resources to continue in operational existence for the foreseeable future.”
Significant events
- “There are no subsequent events in accordance with FRS 102.32.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
3 active · 14 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| CSC CLS (UK) LIMITED | Corporate Secretary | 2025-07-21 | — | — |
| GEMETTI, Thomas Martin | Director | 2025-05-01 | Nov 1971 | American |
| SINDELAR, Cory | Director | 2017-09-11 | Feb 1969 | American |
Show 14 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ATKINS, William | Secretary | 2016-02-08 | 2017-05-19 |
| MEKHALFA, Sabrina | Secretary | 2015-06-30 | 2016-02-08 |
| QUINLAN, Denis | Secretary | 2011-02-10 | 2015-06-30 |
| TOM, Suzanne | Secretary | 2017-01-01 | 2021-11-19 |
| CORPORATION SERVICE COMPANY (UK) LIMITED | Corporate Secretary | 2017-02-22 | 2025-07-21 |
| ASHBY, Michael | Director | 2011-03-09 | 2011-07-08 |
| ATKINS, William | Director | 2016-02-08 | 2017-05-19 |
| BRANNON, Kelyn Joann | Director | 2011-02-10 | 2011-03-05 |
| LOCKHART, Andy | Director | 2011-07-08 | 2016-12-05 |
| MEKHALFA, Sabrina, Mrs. | Director | 2014-05-30 | 2016-02-08 |
| QUINLAN, Denis Jerome | Director | 2012-11-01 | 2015-05-30 |
| STATHIS, Pete | Director | 2013-02-01 | 2014-05-30 |
| TOM, Suzanne Pamela | Director | 2016-12-05 | 2017-09-11 |
| WEINGARTH, Roger | Director | 2011-02-10 | 2013-02-01 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Calix, Inc. | Corporate entity | Shares 75–100% | 2021-11-19 | Active |
| Ms Suzanne Pamela Tom | Individual | Appoints directors | 2016-12-05 | Ceased 2021-11-19 |
Filing timeline
Last 20 of 81 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-03-10 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-01-14 | CH01 | officers | Change person director company with change date | |
| 2025-10-02 | CH01 | officers | Change person director company with change date | |
| 2025-10-01 | CH01 | officers | Change person director company with change date | |
| 2025-09-30 | PSC05 | persons-with-significant-control | Change to a person with significant control | |
| 2025-09-25 | AA | accounts | Accounts with accounts type full | |
| 2025-08-13 | AD01 | address | Change registered office address company with date old address new address | |
| 2025-08-13 | TM02 | officers | Termination secretary company with name termination date | |
| 2025-08-13 | AP04 | officers | Appoint corporate secretary company with name date | |
| 2025-05-06 | AP01 | officers | Appoint person director company with name date | |
| 2025-02-10 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-09-21 | AA | accounts | Accounts with accounts type full | |
| 2024-02-12 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-09-27 | AA | accounts | Accounts with accounts type full | |
| 2023-02-22 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-01-19 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2023-01-19 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2022-09-30 | AA | accounts | Accounts with accounts type full | |
| 2022-07-26 | TM02 | officers | Termination secretary company with name termination date | |
| 2022-03-17 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 10
- Capital events
- 0
- Officers appointed
- 2
- 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.