SINEWAVE ENERGY SOLUTIONS LIMITED
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Next accounts due
2027-02-28 (in 9mo)
Last filed for 2025-05-31
Confirmation statement due
2026-11-28 (in 6mo)
Last made up 2025-11-14
Watchouts
Cash
£1M
-81% vs 2024
Net assets
£3M
+323.6% highest in 4 filed years
Employees
82
+22.4% highest in 4 filed years
Profit before tax
£3M
+171.7% vs 2024
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
2 PSCs ceased in last 24 months
Significant control changed hands — see the Ownership section.
Net assets
6-year trend · vs Industrials median
Accounts
6-year trend · latest reflected 2025-05-31
| Metric | Trend | 2020-05-31 | 2021-05-31 | 2022-05-31 | 2023-05-31 | 2024-05-31 | 2025-05-31 |
|---|---|---|---|---|---|---|---|
| Turnover | — | — | — | — | £20,313,741 | £30,055,948 | |
| Operating profit | — | — | — | — | £1,353,615 | £3,030,742 | |
| Profit before tax | — | — | — | — | £1,159,789 | £3,151,293 | |
| Net profit | — | — | — | — | £849,360 | £2,352,853 | |
| Cash | £40,003 | £313,807 | — | — | £6,730,457 | £1,281,008 | |
| Total assets less current liabilities | £99,509 | £311,354 | — | — | £706,257 | £2,926,208 | |
| Net assets | £51,143 | £308,298 | — | — | £673,645 | £2,853,571 | |
| Equity | £51,143 | £308,298 | -£90,314 | — | £673,645 | £2,853,571 | |
| Average employees | 40 | 32 | — | — | 67 | 82 | |
| Wages | — | — | — | — | £3,556,708 | £4,932,865 | |
| Directors' remuneration | — | — | — | — | £361,954 | £413,400 |
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
FY2024 → FY2025 · period ending 2025-05-31 vs 2024-05-31
-
Turnover
+48%
£20,313,741 £30,055,948
-
Cash
-81%
£6,730,457 £1,281,008
-
Net assets
+323.6%
£673,645 £2,853,571
highest in 4 filed years
-
Employees
+22.4%
67 82
highest in 4 filed years
-
Operating profit
+123.9%
£1,353,615 £3,030,742
-
Profit before tax
+171.7%
£1,159,789 £3,151,293
-
Wages
+38.7%
£3,556,708 £4,932,865
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 | 2020-05-31 | 2021-05-31 | 2022-05-31 | 2023-05-31 | 2024-05-31 | 2025-05-31 |
|---|---|---|---|---|---|---|---|
| Operating margin | — | — | — | — | 6.7% | 10.1% | |
| Net margin | — | — | — | — | 4.2% | 7.8% | |
| Return on capital employed | — | — | — | — | 191.7% | 103.6% | |
| Current ratio | — | — | — | — | 1.02x | 1.17x | |
| Interest cover | — | — | — | — | 6.90x | — |
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
- Haines Watts Swindon Limited
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Company's forecasts and projections, including the future order book, give the directors a reasonable expectation that the Company has adequate resources to continue in operational existence for the foreseeable future.”
Group structure
- SINEWAVE ENERGY SOLUTIONS LIMITED · parent
- Nee Formwork Solutions Limited 33.33%
- Amplify EV Limited 100%
- Voltform Limited 100%
Significant events
- “On 20th August 2025, Sinewave entered into a minority share private equity investment, whereby Thcp Advisory Limited purchased a minority shareholding of Sinewave Energy Solutions Limited via Amplitude Topco Limited. Adam Woodley remains the majority shareholder of the share capital of Sinewave Energy Solutions Limited. Within this transaction, a preferred debt instrument was included to support the future growth of the business”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
4 active · 6 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| TURNER, Jason | Secretary | 2022-08-22 | — | — |
| HUTCHINSON, Ashley John | Director | 2021-04-16 | Jun 1978 | British |
| TURNER, Jason Christopher Godsell | Director | 2022-07-20 | May 1971 | British |
| WOODLEY, Adam Marc | Director | 2015-05-12 | Sep 1990 | British |
Show 6 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| WEATHERLEY, Iain | Secretary | 2020-11-24 | 2022-07-20 |
| BAILEY, Peter John | Director | 2015-05-12 | 2020-11-23 |
| BEASLEY, Stephen James | Director | 2021-04-16 | 2022-02-25 |
| CLEMENTS, Neil | Director | 2022-12-21 | 2025-08-20 |
| SMITH, Martyn Robert | Director | 2022-02-17 | 2025-04-30 |
| WEATHERLEY, Iain | Director | 2021-04-16 | 2022-07-20 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Amplitude Bidco Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2025-08-20 | Active |
| Sinewave Group Holdings Limited | Corporate entity | Shares 25–50%, Voting 25–50% | 2021-04-27 | Ceased 2025-08-20 |
| Mr Adam Marc Woodley | Individual | Shares 25–50%, Voting 25–50% | 2016-04-06 | Ceased 2025-08-20 |
| Mr Peter John Bailey | Individual | Shares 25–50%, Voting 25–50% | 2016-04-06 | Ceased 2020-11-23 |
Filing timeline
Last 20 of 88 total filings
Material constitutional events — rename, articles re-file, resolution
- 2025-10-09 RESOLUTIONS Resolution
- 2025-10-09 MA Memorandum articles
- 2024-08-30 MA Memorandum articles
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-01-29 | AA | accounts | Accounts with accounts type full | |
| 2025-12-22 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-12-02 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-11-25 | SH01 | capital | Capital allotment shares | |
| 2025-10-09 | RESOLUTIONS | resolution | Resolution | |
| 2025-10-09 | MA | incorporation | Memorandum articles | |
| 2025-10-01 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2025-09-03 | TM01 | officers | Termination director company with name termination date | |
| 2025-09-03 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2025-09-03 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2025-09-03 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2025-08-21 | MR04 | mortgage | Mortgage satisfy charge full | |
| 2025-07-22 | TM01 | officers | Termination director company with name termination date | |
| 2024-12-05 | AA | accounts | Accounts with accounts type full | |
| 2024-11-15 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2024-11-14 | SH08 | capital | Capital name of class of shares | |
| 2024-08-30 | MA | incorporation | Memorandum articles | |
| 2024-08-30 | SH05 | capital | Capital cancellation treasury shares with date currency capital figure | |
| 2024-08-25 | SH08 | capital | Capital name of class of shares | |
| 2024-08-25 | SH08 | capital | Capital name of class of shares |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 13
- Capital events
- 5
- 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.