CORNERSTONE TELECOMMUNICATIONS INFRASTRUCTURE LIMITED
Operating as Cornerstone, the company is a telecommunications joint venture co-owned by O2 Networks that designs, builds, and maintains shared mobile mast sites and data transmission networks across the UK.
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Cash
£12m
-60.9% lowest in 3 filed years
Net assets
£107m
-57.9% lowest in 3 filed years
Employees
358
+10.2% highest in 3 filed years
Profit before tax
£80m
+23.9% highest in 3 filed years
Net assets
3-year trend · vs Telecommunications 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 | £434,704,000 | £484,052,000 | £535,270,000 | +10.6% | |
| Operating profit | £117,428,000 | £138,212,000 | £158,848,000 | +14.9% | |
| Profit before tax | £42,012,000 | £64,496,000 | £79,895,000 | +23.9% | |
| Net profit | £20,260,000 | £53,318,000 | £50,250,000 | -5.8% | |
| Cash | £102,544,000 | £30,503,000 | £11,940,000 | -60.9% | |
| Total assets less current liabilities | £1,245,301,000 | £1,027,218,000 | £1,362,964,000 | +32.7% | |
| Net assets | £430,191,000 | £253,509,000 | £106,759,000 | -57.9% | |
| Equity | £430,191,000 | £253,509,000 | £106,759,000 | -57.9% | |
| Average employees | 278 | 325 | 358 | +10.2% | |
| Wages | £23,478,000 | £27,349,000 | £31,719,000 | +16% | |
| 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. 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 | 27.0% | 28.6% | 29.7% | |
| Net margin | 4.7% | 11.0% | 9.4% | |
| Return on capital employed | 9.4% | 13.5% | 11.7% | |
| Gearing (liabilities / total assets) | 80.9% | 88.0% | 95.1% | |
| Current ratio | 0.41x | 0.22x | 0.27x | |
| Interest cover | 1.28x | 1.51x | 1.64x |
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
- IFRS
- Reporting scope
- Standalone (parent only)
- Auditor
- PricewaterhouseCoopers LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“based on this assessment and performing scenario planning, the directors continue to consider it appropriate to adopt the going concern basis of accounting in preparing the financial statements.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
8 active · 36 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| FAWCETT, Belinda Ann | Secretary | 2015-03-27 | — | — |
| BOYLE, Julia Louise | Director | 2024-06-26 | Sep 1971 | British |
| CLARAMONTE GIL, Pedro Jose | Director | 2025-09-16 | Oct 1970 | Spanish |
| DAWAR, Abhinav | Director | 2026-08-25 | Dec 1994 | British |
| DI MEO, Adrian | Director | 2026-01-26 | Jan 1973 | Argentine |
| GEHA, Jean Claude | Director | 2024-06-25 | Jun 1963 | American |
| JANARDHANAN, Arun Kumar | Director | 2025-03-10 | Jan 1971 | Indian |
| MAHLER, Nicolas | Director | 2025-02-01 | Jan 1978 | German |
Show 36 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| PHILLIP, Kerry | Secretary | 2012-10-09 | 2013-10-18 |
| O2 SECRETARIES LIMITED | Corporate Secretary | 2013-10-18 | 2015-03-27 |
| OLSWANG COSEC LIMITED | Corporate Secretary | 2012-05-29 | 2012-10-09 |
| BINNIE, Andrew | Director | 2021-01-11 | 2021-03-08 |
| COBIAN, Patricia | Director | 2020-01-14 | 2025-07-24 |
| DONA, Andrea | Director | 2022-01-04 | 2025-02-27 |
| DONA, Andrea | Director | 2021-01-15 | 2022-01-04 |
| DONA, Andrea | Director | 2019-04-26 | 2021-01-14 |
| EVANS, David Nigel | Director | 2021-03-08 | 2025-01-31 |
| EVANS, Mark | Director | 2012-10-17 | 2016-08-24 |
| FERNANDES, Jorge Manuel Capelas | Director | 2015-01-23 | 2018-02-01 |
| FERNANDEZ, Laura Patricia | Director | 2017-06-12 | 2020-01-13 |
| GALLI, Diego | Director | 2013-01-01 | 2016-04-01 |
| GILL, James Robert | Director | 2020-01-14 | 2025-06-06 |
| GUTIERREZ, Jesus Omar Calvo | Director | 2021-03-01 | 2022-11-14 |
| HILLABRANT, Christian | Director | 2024-02-29 | 2025-09-01 |
| KELLS, Paul | Director | 2022-11-14 | 2024-09-24 |
| KELLY, Fergal Joseph | Director | 2014-03-21 | 2015-01-23 |
| MACKIE, Christopher Alan | Director | 2012-05-29 | 2012-10-09 |
| MCMANUS, Derek | Director | 2012-10-17 | 2021-06-15 |
| NOWAK, Thomas, Dr | Director | 2012-10-17 | 2012-12-31 |
| O'REILLY, Brendan | Director | 2018-02-28 | 2021-03-01 |
| PETTY, Scott James | Director | 2018-02-01 | 2022-01-04 |
| PRIGG, Kye | Director | 2018-02-22 | 2019-02-28 |
| PULLEN, Timothy Neil | Director | 2016-08-24 | 2017-06-12 |
| REISTEN, Thomas | Director | 2021-01-11 | 2024-06-28 |
| RIVERA, Jose Joao Ludovino Pardelhas | Director | 2021-01-11 | 2024-02-29 |
| RIVIERE, Peregrine Douglas Gonzague | Director | 2016-04-01 | 2017-01-01 |
| SALVADORI, Kevin Angelo Sean | Director | 2012-10-09 | 2014-03-21 |
| SUNDIN, Bengt Fredric | Director | 2022-05-23 | 2025-01-31 |
| TAYLOR, Nicholas Paul | Director | 2025-06-06 | 2026-08-25 |
| TOURNON, Emanuele | Director | 2017-01-01 | 2021-01-14 |
| WORMALD, David Michael | Director | 2018-02-22 | 2021-01-14 |
| YORK, Sharon Jean | Director | 2021-06-15 | 2026-01-26 |
| OLSWANG DIRECTORS 1 LIMITED | Corporate Director | 2012-05-29 | 2012-10-09 |
| OLSWANG DIRECTORS 2 LIMITED | Corporate Director | 2012-05-29 | 2012-10-09 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Central Tower Holding Company Bv | Corporate entity | Shares 25–50%, Voting 25–50% | 2021-03-26 | Active |
| Vodafone Mobile Network Limited | Corporate entity | Shares 25–50%, Voting 25–50%, Appoints directors | 2016-04-06 | Ceased 2021-03-26 |
| 02 Networks Limited | Corporate entity | Shares 25–50%, Voting 25–50%, Appoints directors | 2016-04-06 | Active |
Filing timeline
Last 20 of 150 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-09-15 | AA | accounts | Accounts with accounts type full | |
| 2026-08-26 | AP01 | officers | Appoint person director company with name date | |
| 2026-08-26 | TM01 | officers | Termination director company with name termination date | |
| 2026-07-25 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-01-28 | CH01 | officers | Change person director company with change date | |
| 2026-01-28 | AP01 | officers | Appoint person director company with name date | |
| 2026-01-28 | TM01 | officers | Termination director company with name termination date | |
| 2025-12-19 | CH03 | officers | Change person secretary company with change date | |
| 2025-10-09 | AA | accounts | Accounts with accounts type full | |
| 2025-09-30 | AP01 | officers | Appoint person director company with name date | |
| 2025-09-04 | TM01 | officers | Termination director company with name termination date | |
| 2025-08-04 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-13 | AP01 | officers | Appoint person director company with name date | |
| 2025-06-13 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-06 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-04-28 | TM01 | officers | Termination director company with name termination date | |
| 2025-03-11 | AP01 | officers | Appoint person director company with name date | |
| 2025-03-11 | TM01 | officers | Termination director company with name termination date | |
| 2025-02-17 | AP01 | officers | Appoint person director company with name date | |
| 2025-02-17 | TM01 | officers | Termination director company with name termination date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 9
- Capital events
- 0
- Officers appointed
- 2
- Officers resigned
- 2
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.