SWELLFIX UK LIMITED
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Cash
£1.6m
USD 2,144,563
+5.9% vs 2024
Net assets
£35m
USD 47,200,472
+33.2% highest in 3 filed years
Employees
82
+5.1% highest in 3 filed years
Profit before tax
£14m
USD 18,666,397
+87.1% highest in 3 filed years
Net assets
3-year trend · vs Energy median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31
| Metric | Trend | 2023-12-31 | 2024-12-31 | 2025-12-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £12,957,534 | £14,213,788 | £20,542,741 | +44.5% | |
| Operating profit | -£4,075,786 | -£2,772,426 | -£696,988 | +74.9% | |
| Profit before tax | £4,840,384 | £7,403,641 | £13,852,614 | +87.1% | |
| Net profit | £3,737,742 | £5,748,457 | £10,504,175 | +82.7% | |
| Cash | £4,851,163 | £1,503,220 | £1,591,512 | +5.9% | |
| Total assets less current liabilities | £22,762,497 | £28,678,644 | £37,310,542 | +30.1% | |
| Net assets | £20,257,087 | £26,302,209 | £35,028,180 | +33.2% | |
| Equity | £20,257,087 | £26,302,209 | £35,028,180 | +33.2% | |
| Average employees | 74 | 78 | 82 | +5.1% | |
| Wages | £4,350,342 | £5,299,534 | £5,010,213 | -5.5% | |
| Directors' remuneration | £328,610 | £461,067 | £560,315 | +21.5% | |
| Directors' pension contributions | £9,603 | £9,358 | £10,224 | +9.3% | |
| Highest paid director | £260,289 | £461,067 | £560,315 | +21.5% |
Figures converted to GBP from USD at 0.742 per USD (Frankfurter spot rate) — hover any figure for the original. — 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 | 2023-12-31 | 2024-12-31 | 2025-12-31 |
|---|---|---|---|---|
| Operating margin | -31.5% | -19.5% | -3.4% | |
| Net margin | 28.8% | 40.4% | 51.1% | |
| Return on capital employed | -17.9% | -9.7% | -1.9% | |
| Gearing (liabilities / total assets) | 46.9% | 42.2% | 30.5% | |
| Current ratio | 2.20x | 2.41x | 3.43x | |
| Interest cover | -12.50x | -9.21x | -2.01x |
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 101
- Reporting scope
- Standalone (parent only)
- Auditor
- PricewaterhouseCoopers LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The Company's parent undertaking, Tendeka Limited, has confirmed that it will provide financial support to enable the company to meet its liabilities as they fall due for a period of no less than 12 months after the date of signing the financial statements.”
Group structure
- SWELLFIX UK LIMITED · parent
- Tendeka Canada Limited 100%
- Tendeka Malaysia SDN.BHD 100%
Significant events
- “one-off sale achieved in Africa”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
2 active · 16 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| BURNESS PAULL LLP | Corporate Secretary | 2013-01-21 | — | — |
| PEARSON, Alan James | Director | 2009-08-12 | Mar 1970 | United Kingdom |
Show 16 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| DEWAR, John Alexander Gordon | Secretary | 2007-04-13 | 2007-07-09 |
| PAULL & WILLIAMSONS LLP | Corporate Secretary | 2009-09-24 | 2013-01-21 |
| TAYLOR WESSING SECRETARIES LIMITED | Corporate Secretary | 2007-07-09 | 2009-09-24 |
| BAKER, Bradley Gene | Director | 2017-11-27 | 2018-08-03 |
| BARRY, Brendan James | Director | 2010-09-10 | 2017-07-01 |
| CARTER, Neale | Director | 2009-10-26 | 2010-09-10 |
| CARTNEY, Colin Robert | Director | 2017-07-01 | 2019-03-15 |
| DEQUAE, Bert Johan Rik | Director | 2010-09-10 | 2012-06-30 |
| DEWAR, John Alexander Gordon | Director | 2007-04-13 | 2008-08-29 |
| HENNESSY, Michael James Kieran | Director | 2008-09-01 | 2009-04-30 |
| MAYFIELD, Robert Hunter, Mr. | Director | 2007-04-13 | 2010-02-26 |
| REDMAN, Derek Ian | Director | 2007-04-13 | 2009-07-21 |
| SMART, Gary John | Director | 2009-08-12 | 2017-06-29 |
| VLIEGENTHART, Arie Leendert | Director | 2008-09-29 | 2009-12-31 |
| WALKER, Gemma Victoria | Director | 2019-03-15 | 2020-04-23 |
| WRIGHT, William James | Director | 2017-04-01 | 2022-03-15 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Tendeka Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2022-12-29 | Active |
| Royal Dutch Shell Plc | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Ceased 2022-03-15 |
Filing timeline
Last 20 of 96 total filings
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-09-17 | AA | accounts | Accounts with accounts type full | |
| 2026-06-27 | PSC02 | persons-with-significant-control | Notification of a person with significant control | |
| 2026-06-26 | PSC09 | persons-with-significant-control | Withdrawal of a person with significant control statement | |
| 2026-04-17 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-09-29 | AA | accounts | Accounts with accounts type full | |
| 2025-04-14 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-12-16 | AA | accounts | Accounts with accounts type full | |
| 2024-05-08 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2024-01-09 | AA | accounts | Accounts with accounts type full | |
| 2023-04-07 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2022-10-11 | AA | accounts | Accounts with accounts type full | |
| 2022-06-09 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2022-03-16 | PSC08 | persons-with-significant-control | Notification of a person with significant control statement | |
| 2022-03-16 | PSC07 | persons-with-significant-control | Cessation of a person with significant control | |
| 2022-03-16 | TM01 | officers | Termination director company with name termination date | |
| 2021-07-17 | AA | accounts | Accounts with accounts type full | |
| 2021-04-26 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2020-12-19 | AA | accounts | Accounts with accounts type full | |
| 2020-04-23 | TM01 | officers | Termination director company with name termination date | |
| 2020-04-17 | CS01 | confirmation-statement | Confirmation statement with no updates |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 4
- 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.