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Next accounts due

2026-09-30 (in 4mo)

Last filed for 2024-12-31

Confirmation statement due

2026-11-10 (in 6mo)

Last made up 2025-10-27

Watchouts

None on the register

Cash

£579K

+156.2% vs 2023

Net assets

£5M

+59.8% vs 2023

Employees

28

+16.7% vs 2023

Profit before tax

£3M

+40.2% vs 2023

Name history

Renamed 1 time since incorporation

  1. WELLVENTION LIMITED 2012-07-31 → present
  2. WELLBORE INTERVENTION LIMITED 2009-10-27 → 2012-07-31

Accounts

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

Metric Trend 2023-12-312024-12-31
Turnover £8,197,000£9,958,000
Operating profit
Profit before tax £2,462,000£3,452,000
Net profit £2,395,000£3,419,000
Cash £226,000£579,000
Total assets less current liabilities
Net assets £3,422,000£5,470,000
Equity £3,422,000£5,470,000
Average employees 2428
Wages £1,295,000£2,174,000

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
Net margin 29.2%34.3%
Current ratio 4.11x8.17x

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
Ernst & Young LLP
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“The directors continue to adopt the going concern basis in preparing the annual financial statements on the basis that the directors consider that the company has adequate resources to continue its operations for the foreseeable future.”

Significant events

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

People

4 active · 12 resigned

Name Role Appointed Born Nationality
DENTONS SECRETARIES LIMITED Corporate Secretary 2017-10-27
BERNERT, Christian Director 2017-11-17 Oct 1969 German
DOMKE, Christopher Director 2020-08-11 Mar 1964 American
SWEENEY, Dale Director 2022-02-18 Jul 1988 British
Show 12 resigned officers
Name Role Appointed Resigned
ASHTON, Gareth Secretary 2011-11-18 2015-11-20
MACLAY MURRAY & SPENS LLP Corporate Secretary 2011-11-18 2017-10-27
BARTETTE, Pascal Director 2011-11-18 2013-11-05
BURRIS II, Wesley Jay Director 2017-06-09 2020-08-11
CLARK, Richard Phillip Harley Director 2011-11-18 2013-11-05
FRASER, Scott Graham Director 2009-11-13 2011-11-18
KILMISTER, Greg Director 2013-11-05 2017-06-26
MCGURK, Shaun Director 2015-12-01 2020-08-11
NASR, Kamilah Director 2020-08-11 2022-02-18
THOMSON, James Director 2009-11-13 2015-12-01
WEBSTER, Barry Director 2010-01-05 2011-11-18
WILLOX, Keir Director 2009-10-27 2009-11-13

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Reservoir Group Limited Corporate entity Shares 75–100% 2016-04-06 Active

Filing timeline

Last 20 of 94 total filings

Date Type Category Description
2025-11-04 CS01 confirmation-statement Confirmation statement with no updates PDF
2025-10-08 AA accounts Accounts with accounts type full
2024-11-12 CH01 officers Change person director company with change date PDF
2024-11-04 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-09-26 AA accounts Accounts with accounts type full
2023-11-01 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-09-22 AA accounts Accounts with accounts type full
2022-11-01 CS01 confirmation-statement Confirmation statement with no updates PDF
2022-10-24 AA accounts Accounts with accounts type full
2022-04-06 AP01 officers Appoint person director company with name date PDF
2022-03-14 TM01 officers Termination director company with name termination date PDF
2021-11-08 CS01 confirmation-statement Confirmation statement with no updates PDF
2021-10-20 AA accounts Accounts with accounts type full
2021-08-23 AA accounts Accounts with accounts type full
2021-08-05 DISS40 gazette Gazette filings brought up to date
2021-07-06 GAZ1 gazette Gazette notice compulsory
2021-01-06 PSC05 persons-with-significant-control Change to a person with significant control PDF
2021-01-06 AD01 address Change registered office address company with date old address new address PDF
2020-11-12 CS01 confirmation-statement Confirmation statement with no updates PDF
2020-08-22 AP01 officers Appoint person director company with name date PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
2

last 12 months

Capital events
0

last 24 months

Officers appointed
0

last 12 months

Officers resigned
0

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