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Cash

£231M

+51.4% vs 2024

Net assets

£138M

+120.6% vs 2024

Employees

43

+2.4% vs 2024

Profit before tax

£101M

+553.8% vs 2024

Accounts

2-year trend · Δ = latest vs prior filed period · latest reflected 2025-03-31

Metric Trend 2024-03-312025-03-31 Δ vs prior
Turnover £116,613,000£147,152,000 +26.2%
Operating profit £83,243,000£110,926,000 +33.3%
Profit before tax £15,428,000£100,863,000 +553.8%
Net profit £12,121,000£75,202,000 +520.4%
Cash £152,652,000£231,165,000 +51.4%
Total assets less current liabilities £680,059,000£745,876,000 +9.7%
Net assets £62,370,000£137,572,000 +120.6%
Equity £62,370,000£137,572,000 +120.6%
Average employees 4243 +2.4%
Wages £3,369,000£3,544,000 +5.2%
Directors' remuneration £990,000£963,000 -2.7%

Values shown as filed in the company's annual accounts. 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 2024-03-312025-03-31
Operating margin 71.4%75.4%
Net margin 10.4%51.1%
Return on capital employed 12.2%14.9%
Gearing (liabilities / total assets) 91.5%82.8%
Current ratio 4.54x6.05x
Interest cover 2.13x3.80x

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.

Name history

Renamed 1 time since incorporation

  1. MUTUAL ENERGY LIMITED 2010-01-13 → present
  2. NORTHERN IRELAND ENERGY HOLDINGS LIMITED 2005-01-31 → 2010-01-13

Audit & accounting basis

Accounting basis
IFRS
Reporting scope
Consolidated group
Auditor
Grant Thornton (NI) LLP
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“The Directors have a reasonable expectation that the Group has adequate resources for a period of at least 12 months from the date of approval of the financial statements and have therefore assessed that the going concern basis of accounting is appropriate in preparing the financial statements and that there are no material uncertainties to disclose.”

Group structure

  1. MUTUAL ENERGY LIMITED · parent
    1. Moyle Holdings No. 2 Limited 100% · Holding company
    2. Moyle Interconnector (Financing) plc 100% · Financing
    3. Moyle Interconnector Limited 100% · Operation of Moyle Interconnector
    4. Premier Transmission Holdings Limited 100% · Holding company
    5. Premier Transmission Financing plc 100% · Financing
    6. Premier Transmission Limited 100% · Operation of Scotland Northern Ireland Pipeline
    7. Interconnector Services (NI) Limited 100% · Provision of seabed survey and other services
    8. Northern Ireland Gas Transmission Holdings Limited 100% · Holding company
    9. Belfast Gas Transmission Holdings Limited 100% · Holding company
    10. Belfast Gas Transmission Financing plc 100% · Financing
    11. Belfast Gas Transmission Limited 100% · Operation of the Belfast Gas transmission pipeline
    12. WTL Holdings Limited 100% · Holding company
    13. West Transmission Financing plc 100% · Financing
    14. West Transmission Limited 100% · Operation of West Transmission pipeline

Significant events

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

People

9 active · 22 resigned

Name Role Appointed Born Nationality
ARMSTRONG, Emma Jayne Secretary 2025-07-01
GRAY, David Middleton Director 2019-01-01 May 1952 British
LARKIN, Patrick Director 2007-09-26 Oct 1968 Irish
LEWIS, Alexandra Morton Director 2026-01-01 Jan 1972 British
MCCRACKEN, Harold Director 2021-09-01 Jun 1949 British
MCILROY, Gerard Myles Director 2010-01-01 Feb 1969 British
MCKEOWN, Norman Director 2023-11-20 Jun 1957 British
O'REILLY, Maureen Director 2024-11-20 Jan 1968 Irish
RICHARDS, Ceri Director 2020-03-01 Dec 1958 British
Show 22 resigned officers
Name Role Appointed Resigned
MCILROY, Gerard Myles Secretary 2009-02-27 2025-06-30
NORTHERN IRELAND, Arthur Cox Secretary 2005-02-02 2009-10-01
MD SECRETARIES LIMITED Corporate Secretary 2005-01-31 2005-02-02
ANDERSON, Patrick Michael Director 2016-10-01 2024-09-25
BLACK, Clarke Director 2011-01-01 2017-09-30
CARGO, William Director 2007-09-26 2010-01-01
FINN, Regina Director 2008-11-01 2018-12-31
HUSTON, Felicity Victoria Director 2005-02-02 2010-09-21
KIRKPATRICK, Stephen Director 2010-04-01 2016-09-29
LOCKE, Alasdair James Dougall Director 2005-02-02 2008-12-31
MCATEER, Damian Gerard Director 2005-02-02 2009-09-29
MCCLURE, Alan David Director 2005-02-02 2009-09-29
MCKERNAN, Michael James Director 2018-01-01 2024-09-25
MINGAY, Katherine Jane Director 2014-05-01 2021-09-23
MONTGOMERY, David John Director 2005-02-02 2008-03-31
MURRAY, Christopher John Director 2014-05-01 2022-09-29
RAINEY, Alan Director 2005-10-12 2007-06-21
SHEERAN, Nuala Director 2005-08-03 2007-08-31
WALSH, Gerry Director 2008-10-01 2013-12-31
WARRY, Peter Thomas Director 2008-09-23 2013-11-30
MD DIRECTORS LIMITED Corporate Director 2005-01-31 2005-02-02
MD SECRETARIES LIMITED Corporate Director 2005-01-31 2005-02-12

Ownership

Persons with significant control

No persons with significant control on record.

Filing timeline

Last 20 of 116 total filings

Date Type Category Description
2026-01-30 CS01 confirmation-statement Confirmation statement with no updates PDF
2026-01-02 AP01 officers Appoint person director company with name date PDF
2025-09-17 AA accounts Accounts with accounts type group
2025-07-01 TM02 officers Termination secretary company with name termination date PDF
2025-07-01 AP03 officers Appoint person secretary company with name date PDF
2025-01-31 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-11-25 AP01 officers Appoint person director company with name date PDF
2024-10-22 TM01 officers Termination director company with name termination date PDF
2024-10-22 TM01 officers Termination director company with name termination date PDF
2024-10-02 AA accounts Accounts with accounts type group
2024-02-02 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-11-22 AP01 officers Appoint person director company with name date PDF
2023-09-14 AA accounts Accounts with accounts type group
2023-02-01 CS01 confirmation-statement Confirmation statement with no updates PDF
2022-12-01 TM01 officers Termination director company with name termination date PDF
2022-10-04 AUD auditors Auditors resignation company
2022-10-04 AUD auditors Auditors resignation company
2022-09-28 AA accounts Accounts with accounts type group
2022-02-01 CS01 confirmation-statement Confirmation statement with no updates PDF
2021-09-24 TM01 officers Termination director company with name termination date PDF

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
5

last 12 months

Capital events
0

last 24 months

Officers appointed
2

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.

Official Companies House page