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Next accounts due

2026-09-30 (in 4mo)

Last filed for 2024-12-31

Confirmation statement due

2026-06-30 (in 1mo)

Last made up 2025-06-16

Watchouts

None on the register

Cash

£8K

-99.1% vs 2023

Net assets

£9M

+21.1% vs 2023

Employees

51

+10.9% vs 2023

Profit before tax

£2M

-18.6% vs 2023

Name history

Renamed 4 times since incorporation

  1. HYDRO INTERNATIONAL (UK) LTD 2004-01-16 → present
  2. HRD LTD 1997-09-12 → 2004-01-16
  3. H.R.D. LIMITED 1997-09-01 → 1997-09-12
  4. HYDRO RESEARCH & DEVELOPMENT LIMITED 1985-11-01 → 1997-09-01
  5. HYDRO RESEARCH & DEVELOPMENT (UK) LIMITED 1980-01-18 → 1985-11-01

Accounts

2-year trend · latest reflected 2024-12-31

Metric Trend 2023-12-312024-12-31
Turnover £11,539,206£9,968,698
Operating profit £2,631,622£2,125,475
Profit before tax £2,610,843£2,124,218
Net profit £1,988,660£1,538,129
Cash £864,179£7,619
Total assets less current liabilities
Net assets £7,303,707£8,841,836
Equity £7,303,707£8,841,836
Average employees 4651
Wages £2,006,623£2,464,767

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 2023-12-312024-12-31
Operating margin 22.8%21.3%
Net margin 17.2%15.4%
Gearing (liabilities / total assets) 30.8%28.7%
Current ratio 2.39x3.59x
Interest cover 126.65x1690.91x

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
Deloitte LLP
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“Financial forecasts have been prepared by the company through to December 2026, these forecasts have been stress tested by modelling the impact of reduced profitability and cash flow over the period. The conclusion from this detailed analysis is that the company has adequate resources to continue in operational existence for at least 12 months from the date of approval of these financial statements. Accordingly, they continue to adopt the going concern basis in preparing the financial statements.”

Significant events

Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers

People

3 active · 29 resigned

Name Role Appointed Born Nationality
BARKER, Stephen James Director 2026-01-02 Mar 1973 British
GLEDHILL, Paul Anthony Director 2026-01-02 Aug 1961 British
HUMPHREY, Simon Thomas Director 2024-07-10 Jun 1966 British
Show 29 resigned officers
Name Role Appointed Resigned
HART, Jonathan Secretary 1997-06-30
HOLLOX, Anthony Paul Secretary 2006-08-29 2016-08-15
MANSI, Helen Rosemary Secretary 2016-08-15 2023-07-24
MARSHALL, Keith Secretary 1997-07-01 2006-07-18
ANDOH, Robert Yew Gyamfi, Dr Director 1995-01-03 1997-12-31
BATES, Christopher Ralph Director 2019-01-22 2019-06-20
CLEAVER, Paul Douglas Director 2019-11-13 2023-07-24
CLEMSON, Matthew Director 2023-07-24 2026-01-02
CROOK, Roger Peter Director 2016-10-13 2023-07-24
FAGAN, Garry William Director 1992-04-29 1999-01-15
FOYLE, Martin Christopher Director 2014-06-09 2016-10-13
HARPER, Ian Director 1995-08-16 2000-08-31
HIDES, Stephen Peter Director 2009-12-31 2013-07-22
HIPWELL, Paul Melville Director 1995-07-01 1996-06-12
HOLLOX, Anthony Paul Director 2006-08-29 2016-08-15
JENNINGS, Michael Gareth Brian Director 2018-09-05 2019-11-13
JENNINGS, Michael Gareth Brian Director 2013-07-22 2016-08-15
KALSI, India Director 2023-07-24 2026-01-02
LAMB, Timothy John Director 1998-01-15
MARSHALL, Keith Director 1997-01-13 2006-07-18
MOORE, Lenora Elizabeth Director 2023-07-24 2024-07-10
NORTON, Sarah Jane Director 2017-05-25 2018-09-05
SHANNON, George Director 2020-09-29 2023-07-24
SMISSON, Robert Philip Maudsley Director 1995-07-14
STEPHENSON, Alex Gordon Director 2007-01-02 2014-10-01
VICKERS, Keith Michael Director 1993-05-31
WILLIAMS, Christopher Alan Director 1998-09-01 2009-12-31
WILLIAMS, David Alan Director 1993-03-16 1995-11-13
HYDRO INTERNATIONAL LIMITED Corporate Director 2016-08-15 2019-01-22

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Hydro International (Holdings) Limited Corporate entity Shares 75–100% 2016-06-30 Active

Filing timeline

Last 20 of 206 total filings

Material constitutional events — rename, articles re-file, resolution

  • 2023-08-21 RESOLUTIONS Resolution
  • 2023-08-21 MA Memorandum articles
Date Type Category Description
2026-01-05 TM01 officers Termination director company with name termination date PDF
2026-01-05 TM01 officers Termination director company with name termination date PDF
2026-01-05 AP01 officers Appoint person director company with name date PDF
2026-01-05 AP01 officers Appoint person director company with name date PDF
2025-08-01 AA accounts Accounts with accounts type full
2025-06-27 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-09-23 AA accounts Accounts with accounts type full
2024-07-22 AP01 officers Appoint person director company with name date PDF
2024-07-22 TM01 officers Termination director company with name termination date PDF
2024-06-17 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-11-13 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-08-25 AA accounts Accounts with accounts type full
2023-08-21 RESOLUTIONS resolution Resolution
2023-08-21 MA incorporation Memorandum articles
2023-08-18 TM01 officers Termination director company with name termination date PDF
2023-08-18 TM02 officers Termination secretary company with name termination date PDF
2023-08-18 TM01 officers Termination director company with name termination date PDF
2023-08-18 TM01 officers Termination director company with name termination date PDF
2023-08-18 AP01 officers Appoint person director company with name date PDF
2023-08-18 AP01 officers Appoint person director company with name date PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
6

last 12 months

Capital events
0

last 24 months

Officers appointed
2

last 12 months

Officers resigned
2

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Year-on-year

FY2023 → FY2024 · period ending 2024-12-31 vs 2023-12-31

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

Official Companies House page