SPENCER QUANTUM LIMITED
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Next accounts due
2026-12-31 (in 7mo)
Last filed for 2025-03-31
Confirmation statement due
2026-06-17 (in 1mo)
Last made up 2025-06-03
Watchouts
None on the register
Cash
£1M
+189.7% vs 2024
Net assets
£4M
+19.7% vs 2024
Employees
57
+18.8% highest in 5 filed years
Profit before tax
£1M
-56.9% vs 2024
Name history
Renamed 2 times since incorporation
- SPENCER QUANTUM LIMITED 2023-09-29 → present
- SPENCER ENVIRONMENTAL CARE ASSOCIATES LIMITED 2003-02-18 → 2023-09-29
- SPENCER ENVIRONMENTAL CARE AND CONSTRUCTION LIMITED 1994-05-13 → 2003-02-18
Net assets
6-year trend · vs Consumer Discretionary median
Accounts
6-year trend · latest reflected 2025-03-31
| Metric | Trend | 2020-05-31 | 2021-05-31 | 2022-05-31 | 2023-03-31 | 2024-03-31 | 2025-03-31 |
|---|---|---|---|---|---|---|---|
| Turnover | — | — | — | — | £7,207,798 | £11,340,730 | |
| Operating profit | — | — | — | — | £41,607 | £1,047,143 | |
| Profit before tax | — | — | — | — | £2,431,880 | £1,046,957 | |
| Net profit | — | — | — | — | £1,982,173 | £1,221,833 | |
| Cash | £1,279,792 | £1,307,364 | £640,346 | — | £436,147 | £1,263,357 | |
| Total assets less current liabilities | £7,559,328 | £8,762,814 | £10,141,980 | — | £4,589,811 | £5,033,498 | |
| Net assets | £5,868,593 | £7,969,003 | £8,805,505 | — | £3,656,392 | £4,378,225 | |
| Equity | £5,868,593 | £7,969,003 | £8,805,505 | £8,674,219 | £3,656,392 | £4,378,225 | |
| Average employees | 24 | 26 | 27 | — | 48 | 57 | |
| Wages | — | — | — | — | £1,978,456 | £2,654,897 |
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
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2020-05-31 | 2021-05-31 | 2022-05-31 | 2023-03-31 | 2024-03-31 | 2025-03-31 |
|---|---|---|---|---|---|---|---|
| Operating margin | — | — | — | — | 0.6% | 9.2% | |
| Net margin | — | — | — | — | 27.5% | 10.8% | |
| Return on capital employed | — | — | — | — | 0.9% | 20.8% | |
| Current ratio | — | — | — | — | 0.88x | 1.08x | |
| Interest cover | — | — | — | — | 84.05x | 5629.80x |
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
- UHY Ross Brooke
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“After making enquiries, the Directors have a reasonable expectation that the Company and the Group have adequate resources to continue to operate for the foreseeable future, being a period of at least twelve months after the date on which the report and financial statements are signed. Accordingly, they have continued to adopt a going concern basis in the preparation of the annual report and financial statements.”
Group structure
- SPENCER QUANTUM LIMITED · parent
- Quantum Geotechnic Limited 100%
Significant events
- “The company joined RSK Group in August 2022 and has capitalised on the synergy opportunities available as part of the group, working with other RSK companies on projects within the renewable energy, utilities, and water sectors”
- “the acquisition of the trade and assets of Quantum Geotechnic Limited part way through the previous financial year in addition to organic growth (2024: £7.2m)”
- “In the financial year dividends of £500,000 were paid to RSK Environment Limited (2024: £7,000,000).”
- “As part of a programme of corporate simplification the shares in Spencer Quantum Limited were transferred from Spencer ECA Group Limited to its immediate parent company RSK Environment Limited on 2 January 2024. Spencer ECA Group Limited was dissolved on 4 June 2024.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
11 active · 9 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| EVANS, Sally | Secretary | 2022-08-03 | — | — |
| EVANS, Ieuan Rhys | Director | 2019-08-15 | Sep 1991 | British |
| HERLIHY, Francis | Director | 2025-04-01 | Jan 1966 | British |
| HODGES, Elliott Samuel | Director | 2023-03-27 | Jan 1983 | British |
| JOHN, Hywel Gwyn | Director | 2019-08-15 | Oct 1975 | British |
| JUKES, Charlie | Director | 2019-08-15 | Feb 1969 | British |
| MCDERMOTT, Ross | Director | 2023-03-07 | Sep 1979 | Welsh |
| RYDER, Alasdair Alan | Director | 2022-08-03 | Sep 1961 | British |
| STRUDWICK, Ian Harry | Director | 2022-08-03 | Feb 1969 | British |
| THOMAS, Daniel | Director | 2023-03-27 | Mar 1988 | British |
| WILLIS, Peter Edward | Director | 2023-11-13 | Aug 1970 | British |
Show 9 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| JUKES, Jamie | Secretary | 2003-01-31 | 2022-08-03 |
| SPENCER, Margaret Chandler | Secretary | 1994-05-27 | 2003-01-31 |
| BARTON, Thomas George James | Director | 2023-03-27 | 2025-09-19 |
| DAVIS, Jonathan Phillip | Director | 2003-01-31 | 2015-12-01 |
| DRAPER, Abigail Sarah | Director | 2022-08-03 | 2025-03-31 |
| JUKES, Jamie | Director | 2003-01-31 | 2023-03-01 |
| LUDGATE, Jason | Director | 2019-08-15 | 2026-05-01 |
| SPENCER, David Eric | Director | 1994-05-27 | 2003-01-31 |
| SPENCER, Margaret Chandler | Director | 1997-05-27 | 2003-01-31 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Rsk Environment Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2024-01-02 | Active |
| Spencer Eca Group Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2019-08-15 | Ceased 2024-01-02 |
| Mr Jamie Jukes | Individual | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Ceased 2019-08-15 |
Filing timeline
Last 20 of 128 total filings
Material constitutional events — rename, articles re-file, resolution
- 2023-09-29 CERTNM Certificate change of name company PDF
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-05-07 | RP01AP01 | officers | Replacement filing of director appointment with name | |
| 2026-05-01 | TM01 | officers | Termination director company with name termination date | |
| 2025-10-03 | AA | accounts | Accounts with accounts type full | |
| 2025-09-26 | TM01 | officers | Termination director company with name termination date | |
| 2025-06-03 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-04-03 | AP01 | officers | Appoint person director company with name date | |
| 2025-04-02 | TM01 | officers | Termination director company with name termination date | |
| 2025-04-01 | AA | accounts | Accounts with accounts type small | |
| 2024-11-05 | CH01 | officers | Change person director company with change date | |
| 2024-09-16 | MR01 | mortgage | Mortgage create with deed with charge number charge creation date | |
| 2024-05-31 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2024-03-06 | AA | accounts | Accounts with accounts type small | |
| 2024-01-02 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2024-01-02 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2023-11-23 | AP01 | officers | Appoint person director company with name date | |
| 2023-09-29 | CERTNM | change-of-name | Certificate change of name company | |
| 2023-05-15 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2023-04-04 | AP01 | officers | Appoint person director company with name date | |
| 2023-03-27 | AP01 | officers | Appoint person director company with name date | |
| 2023-03-27 | AP01 | officers | Appoint person director company with name date |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 5
- Capital events
- 0
- Officers appointed
- 0
- 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
FY2024 → FY2025 · period ending 2025-03-31 vs 2024-03-31
-
Turnover
+57.3%
£7,207,798 £11,340,730
-
Cash
+189.7%
£436,147 £1,263,357
-
Net assets
+19.7%
£3,656,392 £4,378,225
-
Employees
+18.8%
48 57
highest in 5 filed years
-
Operating profit
+2,416.7%
£41,607 £1,047,143
-
Profit before tax
-56.9%
£2,431,880 £1,046,957
-
Wages
+34.2%
£1,978,456 £2,654,897
Each % is (latest − prior) ÷ |prior| for the line item as filed. Periods don't have to be exactly 12 months apart — a long or short period (typical around incorporation or year-end changes) will distort the comparison. Lines a company doesn't report are omitted. About these numbers