RENEWABLE ENERGY SYSTEMS LIMITED
Trading as RES, the company is an independent renewable energy group that develops, finances, constructs, and manages wind farms, solar plants, and energy storage projects globally.
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Cash
£8m
-79.6% lowest in 3 filed years
Net assets
£354m
-4.7% lowest in 3 filed years
Employees
599
-21.2% lowest in 3 filed years
Profit before tax
-£16m
+65.9% vs 2024
Net assets
3-year trend · vs Industrials median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-10-31
| Metric | Trend | 2023-10-31 | 2024-10-31 | 2025-10-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £78,942,000 | £97,339,000 | £92,713,000 | -4.8% | |
| Operating profit | -£22,719,000 | -£49,462,000 | -£14,270,000 | +71.1% | |
| Profit before tax | -£11,184,000 | -£45,484,000 | -£15,530,000 | +65.9% | |
| Net profit | -£11,580,000 | -£45,854,000 | -£15,265,000 | +66.7% | |
| Cash | £138,453,000 | £39,101,000 | £7,990,000 | -79.6% | |
| Total assets less current liabilities | £597,547,000 | £377,884,000 | £360,193,000 | -4.7% | |
| Net assets | £589,944,000 | £371,137,000 | £353,608,000 | -4.7% | |
| Equity | £589,944,000 | £371,137,000 | £353,608,000 | -4.7% | |
| Average employees | 683 | 760 | 599 | -21.2% | |
| Wages | £46,384,000 | £57,086,000 | £52,055,000 | -8.8% | |
| Directors' remuneration | £3,078,000 | £3,209,000 | £4,636,000 | +44.5% |
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 | 2023-10-31 | 2024-10-31 | 2025-10-31 |
|---|---|---|---|---|
| Operating margin | -28.8% | -50.8% | -15.4% | |
| Net margin | -14.7% | -47.1% | -16.5% | |
| Return on capital employed | -3.8% | -13.1% | -4.0% | |
| Gearing (liabilities / total assets) | — | 41.5% | 37.7% | |
| Current ratio | 3.67x | 0.92x | 1.10x | |
| Interest cover | -2.25x | -2.82x | -1.28x |
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 1 time since incorporation
- RENEWABLE ENERGY SYSTEMS LIMITED 1981-11-25 → present
- ABLESPRING LIMITED 1981-10-08 → 1981-11-25
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Standalone (parent only)
- Auditor
- Deloitte LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“For this reason, the directors believe that the Company has adequate resources to continue in operational existence and therefore it is appropriate that the Company continues to adopt the going concern basis in preparing this annual report and financial statements.”
Group structure
- RENEWABLE ENERGY SYSTEMS LIMITED · parent
- Renewable Energy Centre Limited 0%
- Renewable Energy Group Limited 100%
- RES Australia Pty Limited 100%
- RES Deutschland GMBH 100%
- RES New Zealand Limited 100%
- RES Energy Services Ltda. 100%
- RES Sud Europe S.A.S 100%
Significant events
- “On 1 May 2025, the Company entered into an Intra-group transfer agreement relating to the operations and maintenance ('O&M') business of the Company.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
8 active · 26 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| HEARTH, Dominic James | Secretary | 2004-05-10 | — | British |
| BIRKWOOD, Rachael Claire | Director | 2025-07-30 | Sep 1976 | British |
| BRANDT, Henrik Norgaard | Director | 2024-04-30 | Jul 1981 | Danish |
| HEARTH, Dominic James | Director | 2014-12-03 | Feb 1966 | British |
| HUNTER, Ian George | Director | 2019-03-13 | Apr 1984 | British |
| IRVIN, Maria | Director | 2023-04-19 | May 1971 | British |
| MEDINA SANCHEZ, Eduardo | Director | 2021-11-01 | May 1969 | Spanish |
| WHITFORD, Lucy | Director | 2019-03-13 | Oct 1972 | British |
Show 26 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| COWEN, Brendon Raymond | Secretary | — | 1998-09-21 |
| O'NEILL, Michael Robert | Secretary | 1997-04-21 | 2004-05-10 |
| ANDERSON, Michael Broughton, Dr | Director | 2003-11-20 | 2016-09-30 |
| ARMITANO, Jean-Marc Gabriel Henri | Director | 2014-06-06 | 2017-07-26 |
| CATTO, Ivor Douglas | Director | 2016-10-07 | 2021-10-31 |
| CHRISTIE, Vincent William | Director | — | 1998-09-21 |
| COOMBS, Michael Andrew | Director | 2006-10-20 | 2010-08-16 |
| COWEN, Brendon Raymond | Director | — | 1998-09-21 |
| HUGHES, Steven William | Director | 2016-05-23 | 2019-11-28 |
| JENKINS, David Stannard | Director | 2006-06-13 | 2009-02-25 |
| JOYCE, Donald Crawford | Director | 2010-12-07 | 2021-12-31 |
| MACDOUGALL, Gordon Alan | Director | 2014-11-19 | 2016-07-29 |
| MARSH, Chris Michael | Director | 2018-01-17 | 2023-04-06 |
| MATACZYNSKI, Craig Allen | Director | 2007-06-25 | 2009-02-25 |
| MAYS, Ian David, Dr | Director | — | 2016-10-31 |
| MCALPINE, Cullum | Director | 1998-09-04 | 2009-02-25 |
| MCALPINE, Gavin Malcolm, Dr | Director | 2005-05-20 | 2017-07-26 |
| MORGAN, Christopher Alec | Director | 2003-11-20 | 2015-10-31 |
| MURPHY, Paula | Director | 2023-07-14 | 2025-06-18 |
| O'NEILL, Michael Robert | Director | 2003-11-20 | 2008-07-01 |
| PICKEN, Ted Richard | Director | 2014-11-19 | 2016-10-31 |
| RUFFLE, Rachel | Director | 2014-11-19 | 2023-07-31 |
| RUSSELL, Richard Paul | Director | 2017-07-26 | 2024-04-30 |
| SHELLEY, Miles Colin | Director | 1998-09-04 | 2014-11-19 |
| WOOLF, Robert Anthony | Director | — | 1998-09-04 |
| WOTHERSPOON, Robert John William | Director | 1997-01-29 | 1998-09-04 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Renewable Energy Systems Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Active |
Filing timeline
Last 20 of 248 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-07-17 | AA | accounts | Accounts with accounts type full | |
| 2026-06-21 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2026-03-18 | CH01 | officers | Change person director company with change date | |
| 2025-07-31 | AP01 | officers | Appoint person director company with name date | |
| 2025-06-23 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-06-19 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-12 | AA | accounts | Accounts with accounts type full | |
| 2024-10-22 | CH01 | officers | Change person director company with change date | |
| 2024-10-16 | CH01 | officers | Change person director company with change date | |
| 2024-07-23 | AA | accounts | Accounts with accounts type full | |
| 2024-07-09 | CH01 | officers | Change person director company with change date | |
| 2024-06-26 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-05-07 | TM01 | officers | Termination director company with name termination date | |
| 2024-05-02 | AP01 | officers | Appoint person director company with name date | |
| 2023-11-20 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2023-07-31 | TM01 | officers | Termination director company with name termination date | |
| 2023-07-14 | AP01 | officers | Appoint person director company with name date | |
| 2023-06-14 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-05-24 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2023-04-22 | AA | accounts | Accounts with accounts type full |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 3
- Capital events
- 0
- Officers appointed
- 0
- Officers resigned
- 0
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.