KEYSIGHT TECHNOLOGIES (SPIRENT SERVICES) LIMITED
Formerly listed on the London Stock Exchange before being acquired by Keysight, the company is a multinational telecommunications and network testing provider that develops diagnostic technologies for mobile communications, data centres, and enterprise IT.
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Cash
£20m
-53.2% vs 2024
Net assets
£444m
-4.2% vs 2024
Employees
234
+5.4% vs 2024
Profit before tax
-£9m
-156.6% vs 2024
Watch the reel
Our short-form breakdown of KEYSIGHT TECHNOLOGIES (SPIRENT SERVICES) LIMITED's latest filing
Telecoms testing group Spirent Communications sees operating losses widen to £33m as boardroom pay jumps to £14.8m under new owners Keysight Technologies. 📉💰
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
9 officer resignations in last 12 months
Multiple officers have left the board recently — see the People section for who.
Net assets
2-year trend · vs Telecommunications median
Accounts
2-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|
| Turnover | £75,700,000 | £78,400,000 | +3.6% | |
| Operating profit | -£2,100,000 | -£33,000,000 | -1,471.4% | |
| Profit before tax | £15,900,000 | -£9,000,000 | -156.6% | |
| Net profit | £15,600,000 | -£10,700,000 | -168.6% | |
| Cash | £42,700,000 | £20,000,000 | -53.2% | |
| Total assets less current liabilities | £466,900,000 | £446,300,000 | -4.4% | |
| Net assets | £463,200,000 | £443,700,000 | -4.2% | |
| Equity | £463,200,000 | £443,700,000 | -4.2% | |
| Average employees | 222 | 234 | +5.4% | |
| Wages | £20,900,000 | £21,900,000 | +4.8% | |
| Directors' remuneration | £2,900,000 | £14,800,000 | +410.3% |
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 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|
| Operating margin | -2.8% | -42.1% | |
| Net margin | 20.6% | -13.6% | |
| Return on capital employed | -0.4% | -7.4% | |
| Gearing (liabilities / total assets) | 22.8% | 24.5% | |
| Current ratio | 0.61x | 0.45x | |
| Interest cover | -21.00x | — |
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 5 times since incorporation — the current trading name was adopted 2026-06-23
- KEYSIGHT TECHNOLOGIES (SPIRENT SERVICES) LIMITED 2026-06-23 → present
- KEYSIGHT TECHNOLOGIES (SPIRENT SERVICES) PLC 2026-06-23 → 2026-06-23
- SPIRENT COMMUNICATIONS PLC 2006-05-08 → 2026-06-23
- SPIRENT PLC 2000-05-12 → 2006-05-08
- BOWTHORPE PLC 1992-05-20 → 2000-05-12
- BOWTHORPE HOLDINGS PLC 1949-07-16 → 1992-05-20
Audit & accounting basis
- Accounting basis
- FRS 101
- Reporting scope
- Standalone (parent only)
- Auditor
- Deloitte LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Directors are confident that the Company is well positioned to trade successfully through the integration period and beyond. The forecast shows no additional funding is required, however Keysight will provide additional funding to the Company if the need arises.”
Group structure
- KEYSIGHT TECHNOLOGIES (SPIRENT SERVICES) LIMITED · parent
- Spirent Communications of Ottawa Limited
- Bowthorpe Limited
- Spirent Communications Technology (Beijing) Limited
- Shipbrick Limited 54.55%
Significant events
- “On 24 April 2026 the Company sold its 100 per cent shareholding in Spirent Communications SAS to KT France, a fellow group undertaking. The consideration for the sale was US$12 16 million which was settled via issuance of an intercompany note.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
4 active · 45 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| LI, Jeffrey Kang-Chieh | Secretary | 2025-10-15 | — | — |
| ERICSON, Simon Anthony | Director | 2025-10-15 | Mar 1972 | British |
| LI, Jeffrey Kang-Chieh | Director | 2025-10-15 | Aug 1969 | American |
| ROY, Paul Ian | Director | 2025-10-15 | Jul 1971 | British |
Show 45 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| ANSCOMBE, Michael John | Secretary | 2007-07-01 | 2009-05-06 |
| ARNAOUTI, Michael | Secretary | 1992-07-01 | 2001-12-31 |
| COX, Edward Brian | Secretary | — | 1992-07-01 |
| EARDLEY, Paul Rex | Secretary | 2001-12-31 | 2007-07-01 |
| IVESON, Angus Edward | Secretary | 2014-10-27 | 2025-10-15 |
| WHITING, Rachel Elizabeth | Secretary | 2009-05-06 | 2014-10-27 |
| BELL, Paula | Director | 2016-09-05 | 2025-10-15 |
| BERESFORD, Marcus De La Poer | Director | 1999-05-21 | 2006-12-22 |
| BISS, Adele | Director | 1993-09-01 | 1997-05-21 |
| BOURNE, Walter | Director | — | 1995-04-14 |
| BRAMSON, Edward John | Director | 2006-12-22 | 2010-05-05 |
| BRINDLE, Ian | Director | 2006-12-22 | 2015-08-07 |
| BROOKES, Nicholas Kelvin | Director | 1995-07-01 | 2004-06-30 |
| BUGGIE, Margaret Mary | Director | 2021-04-29 | 2025-10-15 |
| BULLARD, Gary Bruce | Director | 2016-12-01 | 2025-10-15 |
| BURNS, William | Director | 2008-11-06 | 2013-09-03 |
| CHENG, Paul Ming Fun | Director | 1996-08-01 | 2003-12-31 |
| CHUNG, My Engu | Director | 2001-05-09 | 2004-09-03 |
| D`ALESSIO, Frederick Daniel | Director | 2004-01-26 | 2006-12-22 |
| EASTMAN JR, Gerard L | Director | 2006-12-22 | 2010-05-05 |
| ENNERFELT, Per Goran | Director | 2000-12-19 | 2007-05-24 |
| GIVEN, Andrew Ferguson | Director | 2003-10-09 | 2006-12-22 |
| GUSTAFSSON, Anders | Director | 2004-08-01 | 2007-04-30 |
| HELLSTROM, Kurt Roland | Director | 2004-12-09 | 2006-12-22 |
| HUTCHINSON, Eric George | Director | 2000-01-01 | 2019-05-01 |
| KOH, Wendy Meng Weng | Director | 2018-01-11 | 2025-10-15 |
| LANTZSCH, Thomas Paul | Director | 2015-05-11 | 2017-03-03 |
| LEWIS, Duncan James Daragon | Director | 2007-07-01 | 2016-03-19 |
| MASRI, Edgar | Director | 2018-01-11 | 2025-10-15 |
| MAXWELL, Thomas James | Director | 2007-10-01 | 2017-05-03 |
| MCCARTHY, Colin Michael | Director | — | 1999-12-31 |
| MOLEY, Richard Michael | Director | 2000-04-01 | 2005-05-04 |
| PARSONS, Raymond Arthur | Director | — | 1993-05-17 |
| PENNY, William Alfred, Professor | Director | 1992-05-21 | 1996-05-22 |
| SARNEY, George William, Dr | Director | 1996-08-01 | 2002-04-30 |
| SILVER, Jonathan Charles | Director | 2015-06-26 | 2025-10-15 |
| SWENSON, Susan Gail | Director | 2012-02-01 | 2017-03-08 |
| THOMAS, William Gennydd, Sir | Director | 2016-12-01 | 2025-10-15 |
| UPDYKE, Eric Allen | Director | 2019-05-01 | 2025-10-15 |
| VICE, Henry Anthony | Director | — | 1999-09-09 |
| WALKER, Alexander | Director | 2006-12-22 | 2017-05-03 |
| WESTHEAD, John Michael, Dr | Director | — | 1999-05-20 |
| WESTON, John Pix | Director | 2002-11-07 | 2006-12-22 |
| WHITING, Rachel Elizabeth | Director | 2014-02-01 | 2016-05-04 |
| WYNESS, James Alexander Davidson | Director | — | 2006-05-03 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Keysight Technologies, Inc. | Corporate entity | Shares 75–100%, Voting 75–100% | 2025-10-15 | Active |
Filing timeline
Last 20 of 1836 total filings
Material constitutional events — rename, articles re-file, resolution
- 2026-06-23 RESOLUTIONS Resolution
- 2026-06-23 RR02 Reregistration public to private company
- 2026-06-23 CERT11 Certificate change of name re registration public limited company to private
- 2026-06-23 CERTNM Certificate change of name company
- 2026-06-23 CONNOT Change of name notice
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-07-31 | AA | accounts | Accounts with accounts type full | |
| 2026-06-23 | RESOLUTIONS | resolution | Resolution | |
| 2026-06-23 | MAR | incorporation | Re registration memorandum articles | |
| 2026-06-23 | RR02 | change-of-name | Reregistration public to private company | |
| 2026-06-23 | CERT11 | change-of-name | Certificate change of name re registration public limited company to private | |
| 2026-06-23 | CERTNM | change-of-name | Certificate change of name company | |
| 2026-06-23 | CONNOT | change-of-name | Change of name notice | |
| 2025-11-06 | OC | miscellaneous | Court order | |
| 2025-10-28 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2025-10-28 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-10-28 | TM02 | officers | Termination secretary company with name termination date | |
| 2025-10-28 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-28 | AP03 | officers | Appoint person secretary company with name date | |
| 2025-10-22 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-22 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-20 | AP01 | officers | Appoint person director company with name date | |
| 2025-10-17 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-17 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-17 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-17 | TM01 | officers | Termination director company with name termination date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 20
- Capital events
- 0
- Officers appointed
- 4
- Officers resigned
- 9
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.