INTEGRATED ENVIRONMENTAL SOLUTIONS LIMITED
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Next accounts due
2027-02-28 (in 9mo)
Last filed for 2025-05-31
Confirmation statement due
2026-06-24 (in 1mo)
Last made up 2025-06-10
Watchouts
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
3 PSCs ceased in last 24 months
Significant control changed hands — see the Ownership section.
Accounts
Audit & accounting basis
- Accounting basis
- FRS 102
- Reporting scope
- Consolidated group
- Auditor
- RSM UK Audit LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The directors have considered the applicability of the going concern basis in the preparation of these financial statements. This included a review of net current assets and forecasts, as well as considering any material uncertainties. On this basis, the directors have an expectation that the company has adequate resources to continue in operational existence for a period of twelve months from the signing of the financial statements.”
Group structure
- INTEGRATED ENVIRONMENTAL SOLUTIONS LIMITED · parent
- IES R & D Limited 100%
- Integrated Environmental Solutions India Private Ltd 100%
- IESVE Singapore Pte. Ltd 100%
- Integrated Environmental Solutions FZ-LLC 100%
Significant events
- “On 14 June 2024, the shares of the company were acquired by Thunder Midco Limited, through a newly created subsidiary, Thunder Bidco Limited.”
- “Following the year end, founder Don McLean stepped down as Chief Executive Officer after more than thirty years of leadership. The Company was delighted to welcome Christine Mullin as Chief Executive Officer, bringing extensive senior leadership experience across international technology and B2B SaaS businesses, with a proven track record of scaling organisations and driving growth.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
5 active · 28 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| FINLAYSON, Scott | Secretary | 2009-09-24 | — | — |
| FALCONER, Susan | Director | 2005-12-01 | Sep 1974 | British |
| FINLAYSON, Scott | Director | 2010-10-15 | Oct 1971 | British |
| MULLIN, Christine Rose Gertrude | Director | 2025-11-17 | Jun 1969 | Irish |
| WHEATLEY, Antony Craig | Director | 2007-01-01 | Sep 1973 | British |
Show 28 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| FALCONER, Susan | Secretary | 2009-02-10 | 2009-09-24 |
| MCKELLAR, Andrew Angus | Secretary | 2008-12-17 | 2009-02-10 |
| NIMMO, Elizabeth | Secretary | 1995-04-05 | 1996-03-25 |
| RAMSAY, Martin William | Secretary | 2002-04-30 | 2008-12-17 |
| SUSSOCK, Harvey Charles | Secretary | 1994-06-10 | 1995-04-05 |
| CAMPBELL RIDDELL BREEZE PATERSON SOLICITORS | Corporate Secretary | 1996-03-28 | 1998-04-24 |
| MACLAY MURRAY & SPENS LLP | Corporate Nominee Secretary | 2001-09-28 | 2002-04-30 |
| QUILL SERVE LIMITED | Corporate Secretary | 1998-04-24 | 1999-05-31 |
| SECRETAR SECURITIES LIMITED | Corporate Secretary | 1999-05-31 | 2001-09-28 |
| ABBOTT, Raymond James | Director | 2017-03-01 | 2024-06-14 |
| BONTHRON, William John | Director | 2004-08-01 | 2007-01-01 |
| BOYLE, Steven John | Director | 2011-01-27 | 2016-09-23 |
| CARNIE, William Colin Greig | Director | 1996-09-27 | 2015-03-20 |
| HAYES, Michael Hugh | Director | 1998-04-24 | 1999-03-31 |
| JUNOR, William Taylor | Director | 2001-10-03 | 2003-05-31 |
| MCEWAN, David Gebbie | Director | 2007-01-01 | 2025-09-01 |
| MCLEAN, Donald John, Dr | Director | 1994-06-10 | 2026-03-16 |
| MOLLOY, Ian Patrick | Director | 2007-01-01 | 2010-08-25 |
| NIMMO, Elizabeth | Director | 1995-04-05 | 1996-03-25 |
| PITTMAN, Iain | Director | 2017-05-24 | 2024-06-14 |
| RAMSAY, Martin William | Director | 2002-04-30 | 2007-01-01 |
| STUART, Glenn William | Director | 1995-05-11 | 1998-01-22 |
| SUSSOCK, Harvey Charles | Director | 1994-06-10 | 1995-04-05 |
| THOMSON, Hugh Gilmour | Director | 1995-06-01 | 1998-11-30 |
| TODD, Robert | Director | 2000-10-16 | 2000-11-23 |
| WHITE, Martyn | Director | 2000-09-11 | 2000-11-09 |
| WILKIE, Douglas | Director | 1995-04-05 | 1998-02-03 |
| XU, Jinzhou | Director | 2001-08-31 | 2024-06-14 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Thunder Bidco Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2024-09-03 | Active |
| Dr Don Mclean | Individual | Shares 25–50%, Voting 25–50% | 2016-04-06 | Ceased 2024-09-03 |
| Idaj Uk Limited | Corporate entity | Significant influence | 2016-04-06 | Ceased 2024-09-03 |
| Scottish Enterprise | Legal person | Significant influence | 2016-04-06 | Ceased 2024-09-03 |
| Sig1 Holdings Limited | Corporate entity | Significant influence | 2016-04-06 | Ceased 2019-11-29 |
Filing timeline
Last 20 of 222 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-04-07 | AA | accounts | Accounts with accounts type group | |
| 2026-03-23 | TM01 | officers | Termination director company with name termination date | |
| 2025-11-29 | AP01 | officers | Appoint person director company with name date | |
| 2025-09-03 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-17 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-06-06 | AD01 | address | Change registered office address company with date old address new address | |
| 2025-03-10 | AA | accounts | Accounts with accounts type group | |
| 2024-10-18 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2024-10-17 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2024-10-17 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2024-10-17 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2024-08-02 | TM01 | officers | Termination director company with name termination date | |
| 2024-08-02 | TM01 | officers | Termination director company with name termination date | |
| 2024-08-02 | TM01 | officers | Termination director company with name termination date | |
| 2024-06-19 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2024-03-05 | AA | accounts | Accounts with accounts type group | |
| 2023-08-18 | RESOLUTIONS | resolution | Resolution | |
| 2023-08-18 | MA | incorporation | Memorandum articles | |
| 2023-07-14 | SH01 | capital | Capital allotment shares | |
| 2023-07-14 | SH04 | capital | Capital sale or transfer treasury shares with date currency capital figure |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 6
- Capital events
- 0
- Officers appointed
- 1
- 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.
Year-on-year
Latest filed period vs the prior one